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mirror of https://github.com/golang/go synced 2024-11-21 22:34:48 -07:00

misc/dashboard/app, misc/dashboard/builder: delete from main repo; part of move to go.tools

See also https://golang.org/cl/12180043/

R=adg
CC=golang-dev
https://golang.org/cl/12213043
This commit is contained in:
Chris Manghane 2013-08-01 13:27:27 +10:00 committed by Andrew Gerrand
parent bc8f443435
commit acd1b6317d
20 changed files with 0 additions and 3106 deletions

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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
The files in this directory constitute the continuous builder:
app/: an AppEngine server
builder/: gobuilder, a Go continuous build client
If you wish to run a Go builder, please email golang-dev@googlegroups.com
To run a builder:
* Write the key ~gobuild/.gobuildkey
You need to get it from someone who knows the key.
You may also use a filename of the form .gobuildkey-$BUILDER if you
wish to run builders for multiple targets.
* Append your username and password googlecode.com credentials from
https://code.google.com/hosting/settings
to the buildkey file in the format "Username\nPassword\n".
(This is for uploading tarballs to the project downloads section,
and is an optional step.)
* Build and run gobuilder (see its documentation for command-line options).

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# Update with
# google_appengine/appcfg.py [-V test-build] update .
#
# Using -V test-build will run as test-build.golang.org.
application: golang-org
version: build
runtime: go
api_version: go1
handlers:
- url: /static
static_dir: static
- url: /log/.+
script: _go_app
- url: /(|commit|packages|result|tag|todo)
script: _go_app
- url: /(init|buildtest|key|_ah/queue/go/delay)
script: _go_app
login: admin

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package build
import (
"bytes"
"compress/gzip"
"crypto/sha1"
"errors"
"fmt"
"io"
"io/ioutil"
"strings"
"time"
"appengine"
"appengine/datastore"
)
const maxDatastoreStringLen = 500
// A Package describes a package that is listed on the dashboard.
type Package struct {
Kind string // "subrepo", "external", or empty for the main Go tree
Name string
Path string // (empty for the main Go tree)
NextNum int // Num of the next head Commit
}
func (p *Package) String() string {
return fmt.Sprintf("%s: %q", p.Path, p.Name)
}
func (p *Package) Key(c appengine.Context) *datastore.Key {
key := p.Path
if key == "" {
key = "go"
}
return datastore.NewKey(c, "Package", key, 0, nil)
}
// LastCommit returns the most recent Commit for this Package.
func (p *Package) LastCommit(c appengine.Context) (*Commit, error) {
var commits []*Commit
_, err := datastore.NewQuery("Commit").
Ancestor(p.Key(c)).
Order("-Time").
Limit(1).
GetAll(c, &commits)
if _, ok := err.(*datastore.ErrFieldMismatch); ok {
// Some fields have been removed, so it's okay to ignore this error.
err = nil
}
if err != nil {
return nil, err
}
if len(commits) != 1 {
return nil, datastore.ErrNoSuchEntity
}
return commits[0], nil
}
// GetPackage fetches a Package by path from the datastore.
func GetPackage(c appengine.Context, path string) (*Package, error) {
p := &Package{Path: path}
err := datastore.Get(c, p.Key(c), p)
if err == datastore.ErrNoSuchEntity {
return nil, fmt.Errorf("package %q not found", path)
}
if _, ok := err.(*datastore.ErrFieldMismatch); ok {
// Some fields have been removed, so it's okay to ignore this error.
err = nil
}
return p, err
}
// A Commit describes an individual commit in a package.
//
// Each Commit entity is a descendant of its associated Package entity.
// In other words, all Commits with the same PackagePath belong to the same
// datastore entity group.
type Commit struct {
PackagePath string // (empty for Go commits)
Hash string
ParentHash string
Num int // Internal monotonic counter unique to this package.
User string
Desc string `datastore:",noindex"`
Time time.Time
// ResultData is the Data string of each build Result for this Commit.
// For non-Go commits, only the Results for the current Go tip, weekly,
// and release Tags are stored here. This is purely de-normalized data.
// The complete data set is stored in Result entities.
ResultData []string `datastore:",noindex"`
FailNotificationSent bool
}
func (com *Commit) Key(c appengine.Context) *datastore.Key {
if com.Hash == "" {
panic("tried Key on Commit with empty Hash")
}
p := Package{Path: com.PackagePath}
key := com.PackagePath + "|" + com.Hash
return datastore.NewKey(c, "Commit", key, 0, p.Key(c))
}
func (c *Commit) Valid() error {
if !validHash(c.Hash) {
return errors.New("invalid Hash")
}
if c.ParentHash != "" && !validHash(c.ParentHash) { // empty is OK
return errors.New("invalid ParentHash")
}
return nil
}
// each result line is approx 105 bytes. This constant is a tradeoff between
// build history and the AppEngine datastore limit of 1mb.
const maxResults = 1000
// AddResult adds the denormalized Result data to the Commit's Result field.
// It must be called from inside a datastore transaction.
func (com *Commit) AddResult(c appengine.Context, r *Result) error {
if err := datastore.Get(c, com.Key(c), com); err != nil {
return fmt.Errorf("getting Commit: %v", err)
}
com.ResultData = trim(append(com.ResultData, r.Data()), maxResults)
if _, err := datastore.Put(c, com.Key(c), com); err != nil {
return fmt.Errorf("putting Commit: %v", err)
}
return nil
}
func trim(s []string, n int) []string {
l := min(len(s), n)
return s[len(s)-l:]
}
func min(a, b int) int {
if a < b {
return a
}
return b
}
// Result returns the build Result for this Commit for the given builder/goHash.
func (c *Commit) Result(builder, goHash string) *Result {
for _, r := range c.ResultData {
p := strings.SplitN(r, "|", 4)
if len(p) != 4 || p[0] != builder || p[3] != goHash {
continue
}
return partsToHash(c, p)
}
return nil
}
// Results returns the build Results for this Commit for the given goHash.
func (c *Commit) Results(goHash string) (results []*Result) {
for _, r := range c.ResultData {
p := strings.SplitN(r, "|", 4)
if len(p) != 4 || p[3] != goHash {
continue
}
results = append(results, partsToHash(c, p))
}
return
}
// partsToHash converts a Commit and ResultData substrings to a Result.
func partsToHash(c *Commit, p []string) *Result {
return &Result{
Builder: p[0],
Hash: c.Hash,
PackagePath: c.PackagePath,
GoHash: p[3],
OK: p[1] == "true",
LogHash: p[2],
}
}
// A Result describes a build result for a Commit on an OS/architecture.
//
// Each Result entity is a descendant of its associated Commit entity.
type Result struct {
Builder string // "os-arch[-note]"
Hash string
PackagePath string // (empty for Go commits)
// The Go Commit this was built against (empty for Go commits).
GoHash string
OK bool
Log string `datastore:"-"` // for JSON unmarshaling only
LogHash string `datastore:",noindex"` // Key to the Log record.
RunTime int64 // time to build+test in nanoseconds
}
func (r *Result) Key(c appengine.Context) *datastore.Key {
p := Package{Path: r.PackagePath}
key := r.Builder + "|" + r.PackagePath + "|" + r.Hash + "|" + r.GoHash
return datastore.NewKey(c, "Result", key, 0, p.Key(c))
}
func (r *Result) Valid() error {
if !validHash(r.Hash) {
return errors.New("invalid Hash")
}
if r.PackagePath != "" && !validHash(r.GoHash) {
return errors.New("invalid GoHash")
}
return nil
}
// Data returns the Result in string format
// to be stored in Commit's ResultData field.
func (r *Result) Data() string {
return fmt.Sprintf("%v|%v|%v|%v", r.Builder, r.OK, r.LogHash, r.GoHash)
}
// A Log is a gzip-compressed log file stored under the SHA1 hash of the
// uncompressed log text.
type Log struct {
CompressedLog []byte
}
func (l *Log) Text() ([]byte, error) {
d, err := gzip.NewReader(bytes.NewBuffer(l.CompressedLog))
if err != nil {
return nil, fmt.Errorf("reading log data: %v", err)
}
b, err := ioutil.ReadAll(d)
if err != nil {
return nil, fmt.Errorf("reading log data: %v", err)
}
return b, nil
}
func PutLog(c appengine.Context, text string) (hash string, err error) {
h := sha1.New()
io.WriteString(h, text)
b := new(bytes.Buffer)
z, _ := gzip.NewWriterLevel(b, gzip.BestCompression)
io.WriteString(z, text)
z.Close()
hash = fmt.Sprintf("%x", h.Sum(nil))
key := datastore.NewKey(c, "Log", hash, 0, nil)
_, err = datastore.Put(c, key, &Log{b.Bytes()})
return
}
// A Tag is used to keep track of the most recent Go weekly and release tags.
// Typically there will be one Tag entity for each kind of hg tag.
type Tag struct {
Kind string // "weekly", "release", or "tip"
Name string // the tag itself (for example: "release.r60")
Hash string
}
func (t *Tag) Key(c appengine.Context) *datastore.Key {
p := &Package{}
return datastore.NewKey(c, "Tag", t.Kind, 0, p.Key(c))
}
func (t *Tag) Valid() error {
if t.Kind != "weekly" && t.Kind != "release" && t.Kind != "tip" {
return errors.New("invalid Kind")
}
if !validHash(t.Hash) {
return errors.New("invalid Hash")
}
return nil
}
// Commit returns the Commit that corresponds with this Tag.
func (t *Tag) Commit(c appengine.Context) (*Commit, error) {
com := &Commit{Hash: t.Hash}
err := datastore.Get(c, com.Key(c), com)
return com, err
}
// GetTag fetches a Tag by name from the datastore.
func GetTag(c appengine.Context, tag string) (*Tag, error) {
t := &Tag{Kind: tag}
if err := datastore.Get(c, t.Key(c), t); err != nil {
if err == datastore.ErrNoSuchEntity {
return nil, errors.New("tag not found: " + tag)
}
return nil, err
}
if err := t.Valid(); err != nil {
return nil, err
}
return t, nil
}
// Packages returns packages of the specified kind.
// Kind must be one of "external" or "subrepo".
func Packages(c appengine.Context, kind string) ([]*Package, error) {
switch kind {
case "external", "subrepo":
default:
return nil, errors.New(`kind must be one of "external" or "subrepo"`)
}
var pkgs []*Package
q := datastore.NewQuery("Package").Filter("Kind=", kind)
for t := q.Run(c); ; {
pkg := new(Package)
_, err := t.Next(pkg)
if _, ok := err.(*datastore.ErrFieldMismatch); ok {
// Some fields have been removed, so it's okay to ignore this error.
err = nil
}
if err == datastore.Done {
break
} else if err != nil {
return nil, err
}
if pkg.Path != "" {
pkgs = append(pkgs, pkg)
}
}
return pkgs, nil
}

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package build
import (
"crypto/hmac"
"crypto/md5"
"encoding/json"
"errors"
"fmt"
"net/http"
"strings"
"appengine"
"appengine/datastore"
"cache"
)
const commitsPerPage = 30
// commitHandler retrieves commit data or records a new commit.
//
// For GET requests it returns a Commit value for the specified
// packagePath and hash.
//
// For POST requests it reads a JSON-encoded Commit value from the request
// body and creates a new Commit entity. It also updates the "tip" Tag for
// each new commit at tip.
//
// This handler is used by a gobuilder process in -commit mode.
func commitHandler(r *http.Request) (interface{}, error) {
c := appengine.NewContext(r)
com := new(Commit)
if r.Method == "GET" {
com.PackagePath = r.FormValue("packagePath")
com.Hash = r.FormValue("hash")
if err := datastore.Get(c, com.Key(c), com); err != nil {
return nil, fmt.Errorf("getting Commit: %v", err)
}
return com, nil
}
if r.Method != "POST" {
return nil, errBadMethod(r.Method)
}
// POST request
defer r.Body.Close()
if err := json.NewDecoder(r.Body).Decode(com); err != nil {
return nil, fmt.Errorf("decoding Body: %v", err)
}
if len(com.Desc) > maxDatastoreStringLen {
com.Desc = com.Desc[:maxDatastoreStringLen]
}
if err := com.Valid(); err != nil {
return nil, fmt.Errorf("validating Commit: %v", err)
}
defer cache.Tick(c)
tx := func(c appengine.Context) error {
return addCommit(c, com)
}
return nil, datastore.RunInTransaction(c, tx, nil)
}
// addCommit adds the Commit entity to the datastore and updates the tip Tag.
// It must be run inside a datastore transaction.
func addCommit(c appengine.Context, com *Commit) error {
var tc Commit // temp value so we don't clobber com
err := datastore.Get(c, com.Key(c), &tc)
if err != datastore.ErrNoSuchEntity {
// if this commit is already in the datastore, do nothing
if err == nil {
return nil
}
return fmt.Errorf("getting Commit: %v", err)
}
// get the next commit number
p, err := GetPackage(c, com.PackagePath)
if err != nil {
return fmt.Errorf("GetPackage: %v", err)
}
com.Num = p.NextNum
p.NextNum++
if _, err := datastore.Put(c, p.Key(c), p); err != nil {
return fmt.Errorf("putting Package: %v", err)
}
// if this isn't the first Commit test the parent commit exists
if com.Num > 0 {
n, err := datastore.NewQuery("Commit").
Filter("Hash =", com.ParentHash).
Ancestor(p.Key(c)).
Count(c)
if err != nil {
return fmt.Errorf("testing for parent Commit: %v", err)
}
if n == 0 {
return errors.New("parent commit not found")
}
}
// update the tip Tag if this is the Go repo and this isn't on a release branch
if p.Path == "" && !strings.HasPrefix(com.Desc, "[release-branch") {
t := &Tag{Kind: "tip", Hash: com.Hash}
if _, err = datastore.Put(c, t.Key(c), t); err != nil {
return fmt.Errorf("putting Tag: %v", err)
}
}
// put the Commit
if _, err = datastore.Put(c, com.Key(c), com); err != nil {
return fmt.Errorf("putting Commit: %v", err)
}
return nil
}
// tagHandler records a new tag. It reads a JSON-encoded Tag value from the
// request body and updates the Tag entity for the Kind of tag provided.
//
// This handler is used by a gobuilder process in -commit mode.
func tagHandler(r *http.Request) (interface{}, error) {
if r.Method != "POST" {
return nil, errBadMethod(r.Method)
}
t := new(Tag)
defer r.Body.Close()
if err := json.NewDecoder(r.Body).Decode(t); err != nil {
return nil, err
}
if err := t.Valid(); err != nil {
return nil, err
}
c := appengine.NewContext(r)
defer cache.Tick(c)
_, err := datastore.Put(c, t.Key(c), t)
return nil, err
}
// Todo is a todoHandler response.
type Todo struct {
Kind string // "build-go-commit" or "build-package"
Data interface{}
}
// todoHandler returns the next action to be performed by a builder.
// It expects "builder" and "kind" query parameters and returns a *Todo value.
// Multiple "kind" parameters may be specified.
func todoHandler(r *http.Request) (interface{}, error) {
c := appengine.NewContext(r)
now := cache.Now(c)
key := "build-todo-" + r.Form.Encode()
var todo *Todo
if cache.Get(r, now, key, &todo) {
return todo, nil
}
var err error
builder := r.FormValue("builder")
for _, kind := range r.Form["kind"] {
var data interface{}
switch kind {
case "build-go-commit":
data, err = buildTodo(c, builder, "", "")
case "build-package":
packagePath := r.FormValue("packagePath")
goHash := r.FormValue("goHash")
data, err = buildTodo(c, builder, packagePath, goHash)
}
if data != nil || err != nil {
todo = &Todo{Kind: kind, Data: data}
break
}
}
if err == nil {
cache.Set(r, now, key, todo)
}
return todo, err
}
// buildTodo returns the next Commit to be built (or nil if none available).
//
// If packagePath and goHash are empty, it scans the first 20 Go Commits in
// Num-descending order and returns the first one it finds that doesn't have a
// Result for this builder.
//
// If provided with non-empty packagePath and goHash args, it scans the first
// 20 Commits in Num-descending order for the specified packagePath and
// returns the first that doesn't have a Result for this builder and goHash.
func buildTodo(c appengine.Context, builder, packagePath, goHash string) (interface{}, error) {
p, err := GetPackage(c, packagePath)
if err != nil {
return nil, err
}
t := datastore.NewQuery("Commit").
Ancestor(p.Key(c)).
Limit(commitsPerPage).
Order("-Num").
Run(c)
for {
com := new(Commit)
if _, err := t.Next(com); err == datastore.Done {
break
} else if err != nil {
return nil, err
}
if com.Result(builder, goHash) == nil {
return com, nil
}
}
// Nothing left to do if this is a package (not the Go tree).
if packagePath != "" {
return nil, nil
}
// If there are no Go tree commits left to build,
// see if there are any subrepo commits that need to be built at tip.
// If so, ask the builder to build a go tree at the tip commit.
// TODO(adg): do the same for "weekly" and "release" tags.
tag, err := GetTag(c, "tip")
if err != nil {
return nil, err
}
// Check that this Go commit builds OK for this builder.
// If not, don't re-build as the subrepos will never get built anyway.
com, err := tag.Commit(c)
if err != nil {
return nil, err
}
if r := com.Result(builder, ""); r != nil && !r.OK {
return nil, nil
}
pkgs, err := Packages(c, "subrepo")
if err != nil {
return nil, err
}
for _, pkg := range pkgs {
com, err := pkg.LastCommit(c)
if err != nil {
c.Warningf("%v: no Commit found: %v", pkg, err)
continue
}
if com.Result(builder, tag.Hash) == nil {
return tag.Commit(c)
}
}
return nil, nil
}
// packagesHandler returns a list of the non-Go Packages monitored
// by the dashboard.
func packagesHandler(r *http.Request) (interface{}, error) {
kind := r.FormValue("kind")
c := appengine.NewContext(r)
now := cache.Now(c)
key := "build-packages-" + kind
var p []*Package
if cache.Get(r, now, key, &p) {
return p, nil
}
p, err := Packages(c, kind)
if err != nil {
return nil, err
}
cache.Set(r, now, key, p)
return p, nil
}
// resultHandler records a build result.
// It reads a JSON-encoded Result value from the request body,
// creates a new Result entity, and updates the relevant Commit entity.
// If the Log field is not empty, resultHandler creates a new Log entity
// and updates the LogHash field before putting the Commit entity.
func resultHandler(r *http.Request) (interface{}, error) {
if r.Method != "POST" {
return nil, errBadMethod(r.Method)
}
c := appengine.NewContext(r)
res := new(Result)
defer r.Body.Close()
if err := json.NewDecoder(r.Body).Decode(res); err != nil {
return nil, fmt.Errorf("decoding Body: %v", err)
}
if err := res.Valid(); err != nil {
return nil, fmt.Errorf("validating Result: %v", err)
}
defer cache.Tick(c)
// store the Log text if supplied
if len(res.Log) > 0 {
hash, err := PutLog(c, res.Log)
if err != nil {
return nil, fmt.Errorf("putting Log: %v", err)
}
res.LogHash = hash
}
tx := func(c appengine.Context) error {
// check Package exists
if _, err := GetPackage(c, res.PackagePath); err != nil {
return fmt.Errorf("GetPackage: %v", err)
}
// put Result
if _, err := datastore.Put(c, res.Key(c), res); err != nil {
return fmt.Errorf("putting Result: %v", err)
}
// add Result to Commit
com := &Commit{PackagePath: res.PackagePath, Hash: res.Hash}
if err := com.AddResult(c, res); err != nil {
return fmt.Errorf("AddResult: %v", err)
}
// Send build failure notifications, if necessary.
// Note this must run after the call AddResult, which
// populates the Commit's ResultData field.
return notifyOnFailure(c, com, res.Builder)
}
return nil, datastore.RunInTransaction(c, tx, nil)
}
// logHandler displays log text for a given hash.
// It handles paths like "/log/hash".
func logHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-type", "text/plain; charset=utf-8")
c := appengine.NewContext(r)
hash := r.URL.Path[len("/log/"):]
key := datastore.NewKey(c, "Log", hash, 0, nil)
l := new(Log)
if err := datastore.Get(c, key, l); err != nil {
logErr(w, r, err)
return
}
b, err := l.Text()
if err != nil {
logErr(w, r, err)
return
}
w.Write(b)
}
type dashHandler func(*http.Request) (interface{}, error)
type dashResponse struct {
Response interface{}
Error string
}
// errBadMethod is returned by a dashHandler when
// the request has an unsuitable method.
type errBadMethod string
func (e errBadMethod) Error() string {
return "bad method: " + string(e)
}
// AuthHandler wraps a http.HandlerFunc with a handler that validates the
// supplied key and builder query parameters.
func AuthHandler(h dashHandler) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
// Put the URL Query values into r.Form to avoid parsing the
// request body when calling r.FormValue.
r.Form = r.URL.Query()
var err error
var resp interface{}
// Validate key query parameter for POST requests only.
key := r.FormValue("key")
builder := r.FormValue("builder")
if r.Method == "POST" && !validKey(c, key, builder) {
err = errors.New("invalid key: " + key)
}
// Call the original HandlerFunc and return the response.
if err == nil {
resp, err = h(r)
}
// Write JSON response.
dashResp := &dashResponse{Response: resp}
if err != nil {
c.Errorf("%v", err)
dashResp.Error = err.Error()
}
w.Header().Set("Content-Type", "application/json")
if err = json.NewEncoder(w).Encode(dashResp); err != nil {
c.Criticalf("encoding response: %v", err)
}
}
}
func keyHandler(w http.ResponseWriter, r *http.Request) {
builder := r.FormValue("builder")
if builder == "" {
logErr(w, r, errors.New("must supply builder in query string"))
return
}
c := appengine.NewContext(r)
fmt.Fprint(w, builderKey(c, builder))
}
func init() {
// admin handlers
http.HandleFunc("/init", initHandler)
http.HandleFunc("/key", keyHandler)
// authenticated handlers
http.HandleFunc("/commit", AuthHandler(commitHandler))
http.HandleFunc("/packages", AuthHandler(packagesHandler))
http.HandleFunc("/result", AuthHandler(resultHandler))
http.HandleFunc("/tag", AuthHandler(tagHandler))
http.HandleFunc("/todo", AuthHandler(todoHandler))
// public handlers
http.HandleFunc("/log/", logHandler)
}
func validHash(hash string) bool {
// TODO(adg): correctly validate a hash
return hash != ""
}
func validKey(c appengine.Context, key, builder string) bool {
if appengine.IsDevAppServer() {
return true
}
if key == secretKey(c) {
return true
}
return key == builderKey(c, builder)
}
func builderKey(c appengine.Context, builder string) string {
h := hmac.New(md5.New, []byte(secretKey(c)))
h.Write([]byte(builder))
return fmt.Sprintf("%x", h.Sum(nil))
}
func logErr(w http.ResponseWriter, r *http.Request, err error) {
appengine.NewContext(r).Errorf("Error: %v", err)
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprint(w, "Error: ", err)
}

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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package build
import (
"fmt"
"net/http"
"appengine"
"appengine/datastore"
"cache"
)
// defaultPackages specifies the Package records to be created by initHandler.
var defaultPackages = []*Package{
{Name: "Go", Kind: "go"},
}
// subRepos specifies the Go project sub-repositories.
var subRepos = []string{
"blog",
"codereview",
"crypto",
"exp",
"image",
"net",
"talks",
"tools",
}
// Put subRepos into defaultPackages.
func init() {
for _, name := range subRepos {
p := &Package{
Kind: "subrepo",
Name: "go." + name,
Path: "code.google.com/p/go." + name,
}
defaultPackages = append(defaultPackages, p)
}
}
func initHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
defer cache.Tick(c)
for _, p := range defaultPackages {
err := datastore.Get(c, p.Key(c), new(Package))
if _, ok := err.(*datastore.ErrFieldMismatch); ok {
// Some fields have been removed, so it's okay to ignore this error.
err = nil
}
if err == nil {
continue
} else if err != datastore.ErrNoSuchEntity {
logErr(w, r, err)
return
}
if _, err := datastore.Put(c, p.Key(c), p); err != nil {
logErr(w, r, err)
return
}
}
fmt.Fprint(w, "OK")
}

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@ -1,62 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package build
import (
"sync"
"appengine"
"appengine/datastore"
)
var theKey struct {
sync.RWMutex
BuilderKey
}
type BuilderKey struct {
Secret string
}
func (k *BuilderKey) Key(c appengine.Context) *datastore.Key {
return datastore.NewKey(c, "BuilderKey", "root", 0, nil)
}
func secretKey(c appengine.Context) string {
// check with rlock
theKey.RLock()
k := theKey.Secret
theKey.RUnlock()
if k != "" {
return k
}
// prepare to fill; check with lock and keep lock
theKey.Lock()
defer theKey.Unlock()
if theKey.Secret != "" {
return theKey.Secret
}
// fill
if err := datastore.Get(c, theKey.Key(c), &theKey.BuilderKey); err != nil {
if err == datastore.ErrNoSuchEntity {
// If the key is not stored in datastore, write it.
// This only happens at the beginning of a new deployment.
// The code is left here for SDK use and in case a fresh
// deployment is ever needed. "gophers rule" is not the
// real key.
if !appengine.IsDevAppServer() {
panic("lost key from datastore")
}
theKey.Secret = "gophers rule"
datastore.Put(c, theKey.Key(c), &theKey.BuilderKey)
return theKey.Secret
}
panic("cannot load builder key: " + err.Error())
}
return theKey.Secret
}

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@ -1,166 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package build
import (
"appengine"
"appengine/datastore"
"appengine/delay"
"appengine/mail"
"bytes"
"encoding/gob"
"fmt"
"text/template"
)
const (
mailFrom = "builder@golang.org" // use this for sending any mail
failMailTo = "golang-dev@googlegroups.com"
domain = "build.golang.org"
)
// failIgnore is a set of builders that we don't email about because
// they're too flaky.
var failIgnore = map[string]bool{
"netbsd-386-bsiegert": true,
"netbsd-amd64-bsiegert": true,
}
// notifyOnFailure checks whether the supplied Commit or the subsequent
// Commit (if present) breaks the build for this builder.
// If either of those commits break the build an email notification is sent
// from a delayed task. (We use a task because this way the mail won't be
// sent if the enclosing datastore transaction fails.)
//
// This must be run in a datastore transaction, and the provided *Commit must
// have been retrieved from the datastore within that transaction.
func notifyOnFailure(c appengine.Context, com *Commit, builder string) error {
if failIgnore[builder] {
return nil
}
// TODO(adg): implement notifications for packages
if com.PackagePath != "" {
return nil
}
p := &Package{Path: com.PackagePath}
var broken *Commit
cr := com.Result(builder, "")
if cr == nil {
return fmt.Errorf("no result for %s/%s", com.Hash, builder)
}
q := datastore.NewQuery("Commit").Ancestor(p.Key(c))
if cr.OK {
// This commit is OK. Notify if next Commit is broken.
next := new(Commit)
q = q.Filter("ParentHash=", com.Hash)
if err := firstMatch(c, q, next); err != nil {
if err == datastore.ErrNoSuchEntity {
// OK at tip, no notification necessary.
return nil
}
return err
}
if nr := next.Result(builder, ""); nr != nil && !nr.OK {
c.Debugf("commit ok: %#v\nresult: %#v", com, cr)
c.Debugf("next commit broken: %#v\nnext result:%#v", next, nr)
broken = next
}
} else {
// This commit is broken. Notify if the previous Commit is OK.
prev := new(Commit)
q = q.Filter("Hash=", com.ParentHash)
if err := firstMatch(c, q, prev); err != nil {
if err == datastore.ErrNoSuchEntity {
// No previous result, let the backfill of
// this result trigger the notification.
return nil
}
return err
}
if pr := prev.Result(builder, ""); pr != nil && pr.OK {
c.Debugf("commit broken: %#v\nresult: %#v", com, cr)
c.Debugf("previous commit ok: %#v\nprevious result:%#v", prev, pr)
broken = com
}
}
var err error
if broken != nil && !broken.FailNotificationSent {
c.Infof("%s is broken commit; notifying", broken.Hash)
sendFailMailLater.Call(c, broken, builder) // add task to queue
broken.FailNotificationSent = true
_, err = datastore.Put(c, broken.Key(c), broken)
}
return err
}
// firstMatch executes the query q and loads the first entity into v.
func firstMatch(c appengine.Context, q *datastore.Query, v interface{}) error {
t := q.Limit(1).Run(c)
_, err := t.Next(v)
if err == datastore.Done {
err = datastore.ErrNoSuchEntity
}
return err
}
var (
sendFailMailLater = delay.Func("sendFailMail", sendFailMail)
sendFailMailTmpl = template.Must(
template.New("notify.txt").
Funcs(template.FuncMap(tmplFuncs)).
ParseFiles("build/notify.txt"),
)
)
func init() {
gob.Register(&Commit{}) // for delay
}
// sendFailMail sends a mail notification that the build failed on the
// provided commit and builder.
func sendFailMail(c appengine.Context, com *Commit, builder string) {
// TODO(adg): handle packages
// get Result
r := com.Result(builder, "")
if r == nil {
c.Errorf("finding result for %q: %+v", builder, com)
return
}
// get Log
k := datastore.NewKey(c, "Log", r.LogHash, 0, nil)
l := new(Log)
if err := datastore.Get(c, k, l); err != nil {
c.Errorf("finding Log record %v: %v", r.LogHash, err)
return
}
// prepare mail message
var body bytes.Buffer
err := sendFailMailTmpl.Execute(&body, map[string]interface{}{
"Builder": builder, "Commit": com, "Result": r, "Log": l,
"Hostname": domain,
})
if err != nil {
c.Errorf("rendering mail template: %v", err)
return
}
subject := fmt.Sprintf("%s broken by %s", builder, shortDesc(com.Desc))
msg := &mail.Message{
Sender: mailFrom,
To: []string{failMailTo},
ReplyTo: failMailTo,
Subject: subject,
Body: body.String(),
}
// send mail
if err := mail.Send(c, msg); err != nil {
c.Errorf("sending mail: %v", err)
}
}

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@ -1,9 +0,0 @@
Change {{shortHash .Commit.Hash}} broke the {{.Builder}} build:
http://{{.Hostname}}/log/{{.Result.LogHash}}
{{.Commit.Desc}}
http://code.google.com/p/go/source/detail?r={{shortHash .Commit.Hash}}
$ tail -200 < log
{{printf "%s" .Log.Text | tail 200}}

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@ -1,256 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package build
// TODO(adg): test authentication
import (
"appengine"
"appengine/datastore"
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"time"
)
func init() {
http.HandleFunc("/buildtest", testHandler)
}
var testEntityKinds = []string{
"Package",
"Commit",
"Result",
"Log",
}
const testPkg = "code.google.com/p/go.test"
var testPackage = &Package{Name: "Test", Kind: "subrepo", Path: testPkg}
var testPackages = []*Package{
{Name: "Go", Path: ""},
testPackage,
}
var tCommitTime = time.Now().Add(-time.Hour * 24 * 7)
func tCommit(hash, parentHash, path string) *Commit {
tCommitTime.Add(time.Hour) // each commit should have a different time
return &Commit{
PackagePath: path,
Hash: hash,
ParentHash: parentHash,
Time: tCommitTime,
User: "adg",
Desc: "change description " + hash,
}
}
var testRequests = []struct {
path string
vals url.Values
req interface{}
res interface{}
}{
// Packages
{"/packages?kind=subrepo", nil, nil, []*Package{testPackage}},
// Go repo
{"/commit", nil, tCommit("0001", "0000", ""), nil},
{"/commit", nil, tCommit("0002", "0001", ""), nil},
{"/commit", nil, tCommit("0003", "0002", ""), nil},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0003"}}},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-amd64"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0003"}}},
{"/result", nil, &Result{Builder: "linux-386", Hash: "0001", OK: true}, nil},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0003"}}},
{"/result", nil, &Result{Builder: "linux-386", Hash: "0002", OK: true}, nil},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0003"}}},
// multiple builders
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-amd64"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0003"}}},
{"/result", nil, &Result{Builder: "linux-amd64", Hash: "0003", OK: true}, nil},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0003"}}},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-amd64"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0002"}}},
// branches
{"/commit", nil, tCommit("0004", "0003", ""), nil},
{"/commit", nil, tCommit("0005", "0002", ""), nil},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0005"}}},
{"/result", nil, &Result{Builder: "linux-386", Hash: "0005", OK: true}, nil},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0004"}}},
{"/result", nil, &Result{Builder: "linux-386", Hash: "0004", OK: false}, nil},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0003"}}},
// logs
{"/result", nil, &Result{Builder: "linux-386", Hash: "0003", OK: false, Log: "test"}, nil},
{"/log/a94a8fe5ccb19ba61c4c0873d391e987982fbbd3", nil, nil, "test"},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, nil},
// repeat failure (shouldn't re-send mail)
{"/result", nil, &Result{Builder: "linux-386", Hash: "0003", OK: false, Log: "test"}, nil},
// non-Go repos
{"/commit", nil, tCommit("1001", "1000", testPkg), nil},
{"/commit", nil, tCommit("1002", "1001", testPkg), nil},
{"/commit", nil, tCommit("1003", "1002", testPkg), nil},
{"/todo", url.Values{"kind": {"build-package"}, "builder": {"linux-386"}, "packagePath": {testPkg}, "goHash": {"0001"}}, nil, &Todo{Kind: "build-package", Data: &Commit{Hash: "1003"}}},
{"/result", nil, &Result{PackagePath: testPkg, Builder: "linux-386", Hash: "1003", GoHash: "0001", OK: true}, nil},
{"/todo", url.Values{"kind": {"build-package"}, "builder": {"linux-386"}, "packagePath": {testPkg}, "goHash": {"0001"}}, nil, &Todo{Kind: "build-package", Data: &Commit{Hash: "1002"}}},
{"/result", nil, &Result{PackagePath: testPkg, Builder: "linux-386", Hash: "1002", GoHash: "0001", OK: true}, nil},
{"/todo", url.Values{"kind": {"build-package"}, "builder": {"linux-386"}, "packagePath": {testPkg}, "goHash": {"0001"}}, nil, &Todo{Kind: "build-package", Data: &Commit{Hash: "1001"}}},
{"/result", nil, &Result{PackagePath: testPkg, Builder: "linux-386", Hash: "1001", GoHash: "0001", OK: true}, nil},
{"/todo", url.Values{"kind": {"build-package"}, "builder": {"linux-386"}, "packagePath": {testPkg}, "goHash": {"0001"}}, nil, nil},
{"/todo", url.Values{"kind": {"build-package"}, "builder": {"linux-386"}, "packagePath": {testPkg}, "goHash": {"0002"}}, nil, &Todo{Kind: "build-package", Data: &Commit{Hash: "1003"}}},
// re-build Go revision for stale subrepos
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, &Todo{Kind: "build-go-commit", Data: &Commit{Hash: "0005"}}},
{"/result", nil, &Result{PackagePath: testPkg, Builder: "linux-386", Hash: "1001", GoHash: "0005", OK: false, Log: "boo"}, nil},
{"/todo", url.Values{"kind": {"build-go-commit"}, "builder": {"linux-386"}}, nil, nil},
}
func testHandler(w http.ResponseWriter, r *http.Request) {
if !appengine.IsDevAppServer() {
fmt.Fprint(w, "These tests must be run under the dev_appserver.")
return
}
c := appengine.NewContext(r)
if err := nukeEntities(c, testEntityKinds); err != nil {
logErr(w, r, err)
return
}
if r.FormValue("nukeonly") != "" {
fmt.Fprint(w, "OK")
return
}
for _, p := range testPackages {
if _, err := datastore.Put(c, p.Key(c), p); err != nil {
logErr(w, r, err)
return
}
}
for i, t := range testRequests {
c.Infof("running test %d %s", i, t.path)
errorf := func(format string, args ...interface{}) {
fmt.Fprintf(w, "%d %s: ", i, t.path)
fmt.Fprintf(w, format, args...)
fmt.Fprintln(w)
}
var body io.ReadWriter
if t.req != nil {
body = new(bytes.Buffer)
json.NewEncoder(body).Encode(t.req)
}
url := "http://" + domain + t.path
if t.vals != nil {
url += "?" + t.vals.Encode()
}
req, err := http.NewRequest("POST", url, body)
if err != nil {
logErr(w, r, err)
return
}
if t.req != nil {
req.Method = "POST"
}
req.Header = r.Header
rec := httptest.NewRecorder()
// Make the request
http.DefaultServeMux.ServeHTTP(rec, req)
if rec.Code != 0 && rec.Code != 200 {
errorf(rec.Body.String())
return
}
resp := new(dashResponse)
// If we're expecting a *Todo value,
// prime the Response field with a Todo and a Commit inside it.
if _, ok := t.res.(*Todo); ok {
resp.Response = &Todo{Data: &Commit{}}
}
if strings.HasPrefix(t.path, "/log/") {
resp.Response = rec.Body.String()
} else {
err := json.NewDecoder(rec.Body).Decode(resp)
if err != nil {
errorf("decoding response: %v", err)
return
}
}
if e, ok := t.res.(string); ok {
g, ok := resp.Response.(string)
if !ok {
errorf("Response not string: %T", resp.Response)
return
}
if g != e {
errorf("response mismatch: got %q want %q", g, e)
return
}
}
if e, ok := t.res.(*Todo); ok {
g, ok := resp.Response.(*Todo)
if !ok {
errorf("Response not *Todo: %T", resp.Response)
return
}
if e.Data == nil && g.Data != nil {
errorf("Response.Data should be nil, got: %v", g.Data)
return
}
if g.Data == nil {
errorf("Response.Data is nil, want: %v", e.Data)
return
}
gd, ok := g.Data.(*Commit)
if !ok {
errorf("Response.Data not *Commit: %T", g.Data)
return
}
if eh := e.Data.(*Commit).Hash; eh != gd.Hash {
errorf("hashes don't match: got %q, want %q", gd.Hash, eh)
return
}
}
if t.res == nil && resp.Response != nil {
errorf("response mismatch: got %q expected <nil>",
resp.Response)
return
}
}
fmt.Fprint(w, "PASS\nYou should see only one mail notification (for 0003/linux-386) in the dev_appserver logs.")
}
func nukeEntities(c appengine.Context, kinds []string) error {
if !appengine.IsDevAppServer() {
return errors.New("can't nuke production data")
}
var keys []*datastore.Key
for _, kind := range kinds {
q := datastore.NewQuery(kind).KeysOnly()
for t := q.Run(c); ; {
k, err := t.Next(nil)
if err == datastore.Done {
break
}
if err != nil {
return err
}
keys = append(keys, k)
}
}
return datastore.DeleteMulti(c, keys)
}

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@ -1,319 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// TODO(adg): packages at weekly/release
// TODO(adg): some means to register new packages
package build
import (
"bytes"
"errors"
"html/template"
"net/http"
"regexp"
"sort"
"strconv"
"strings"
"appengine"
"appengine/datastore"
"cache"
)
func init() {
http.HandleFunc("/", uiHandler)
}
// uiHandler draws the build status page.
func uiHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
now := cache.Now(c)
const key = "build-ui"
page, _ := strconv.Atoi(r.FormValue("page"))
if page < 0 {
page = 0
}
// Used cached version of front page, if available.
if page == 0 {
var b []byte
if cache.Get(r, now, key, &b) {
w.Write(b)
return
}
}
commits, err := goCommits(c, page)
if err != nil {
logErr(w, r, err)
return
}
builders := commitBuilders(commits, "")
var tipState *TagState
if page == 0 {
// only show sub-repo state on first page
tipState, err = TagStateByName(c, "tip")
if err != nil {
logErr(w, r, err)
return
}
}
p := &Pagination{}
if len(commits) == commitsPerPage {
p.Next = page + 1
}
if page > 0 {
p.Prev = page - 1
p.HasPrev = true
}
data := &uiTemplateData{commits, builders, tipState, p}
var buf bytes.Buffer
if err := uiTemplate.Execute(&buf, data); err != nil {
logErr(w, r, err)
return
}
// Cache the front page.
if page == 0 {
cache.Set(r, now, key, buf.Bytes())
}
buf.WriteTo(w)
}
type Pagination struct {
Next, Prev int
HasPrev bool
}
// goCommits gets a slice of the latest Commits to the Go repository.
// If page > 0 it paginates by commitsPerPage.
func goCommits(c appengine.Context, page int) ([]*Commit, error) {
q := datastore.NewQuery("Commit").
Ancestor((&Package{}).Key(c)).
Order("-Num").
Limit(commitsPerPage).
Offset(page * commitsPerPage)
var commits []*Commit
_, err := q.GetAll(c, &commits)
return commits, err
}
// commitBuilders returns the names of the builders that provided
// Results for the provided commits.
func commitBuilders(commits []*Commit, goHash string) []string {
builders := make(map[string]bool)
for _, commit := range commits {
for _, r := range commit.Results(goHash) {
builders[r.Builder] = true
}
}
return keys(builders)
}
func keys(m map[string]bool) (s []string) {
for k := range m {
s = append(s, k)
}
sort.Strings(s)
return
}
// TagState represents the state of all Packages at a Tag.
type TagState struct {
Tag *Commit
Packages []*PackageState
}
// PackageState represents the state of a Package at a Tag.
type PackageState struct {
Package *Package
Commit *Commit
}
// TagStateByName fetches the results for all Go subrepos at the specified Tag.
func TagStateByName(c appengine.Context, name string) (*TagState, error) {
tag, err := GetTag(c, name)
if err != nil {
return nil, err
}
pkgs, err := Packages(c, "subrepo")
if err != nil {
return nil, err
}
var st TagState
for _, pkg := range pkgs {
com, err := pkg.LastCommit(c)
if err != nil {
c.Warningf("%v: no Commit found: %v", pkg, err)
continue
}
st.Packages = append(st.Packages, &PackageState{pkg, com})
}
st.Tag, err = tag.Commit(c)
if err != nil {
return nil, err
}
return &st, nil
}
type uiTemplateData struct {
Commits []*Commit
Builders []string
TipState *TagState
Pagination *Pagination
}
var uiTemplate = template.Must(
template.New("ui.html").Funcs(tmplFuncs).ParseFiles("build/ui.html"),
)
var tmplFuncs = template.FuncMap{
"builderOS": builderOS,
"builderArch": builderArch,
"builderArchShort": builderArchShort,
"builderArchChar": builderArchChar,
"builderTitle": builderTitle,
"builderSpans": builderSpans,
"repoURL": repoURL,
"shortDesc": shortDesc,
"shortHash": shortHash,
"shortUser": shortUser,
"tail": tail,
}
func splitDash(s string) (string, string) {
i := strings.Index(s, "-")
if i >= 0 {
return s[:i], s[i+1:]
}
return s, ""
}
// builderOS returns the os tag for a builder string
func builderOS(s string) string {
os, _ := splitDash(s)
return os
}
// builderArch returns the arch tag for a builder string
func builderArch(s string) string {
_, arch := splitDash(s)
arch, _ = splitDash(arch) // chop third part
return arch
}
// builderArchShort returns a short arch tag for a builder string
func builderArchShort(s string) string {
if strings.Contains(s+"-", "-race-") {
return "race"
}
arch := builderArch(s)
switch arch {
case "amd64":
return "x64"
}
return arch
}
// builderArchChar returns the architecture letter for a builder string
func builderArchChar(s string) string {
arch := builderArch(s)
switch arch {
case "386":
return "8"
case "amd64":
return "6"
case "arm":
return "5"
}
return arch
}
type builderSpan struct {
N int
OS string
}
// builderSpans creates a list of tags showing
// the builder's operating system names, spanning
// the appropriate number of columns.
func builderSpans(s []string) []builderSpan {
var sp []builderSpan
for len(s) > 0 {
i := 1
os := builderOS(s[0])
for i < len(s) && builderOS(s[i]) == os {
i++
}
sp = append(sp, builderSpan{i, os})
s = s[i:]
}
return sp
}
// builderTitle formats "linux-amd64-foo" as "linux amd64 foo".
func builderTitle(s string) string {
return strings.Replace(s, "-", " ", -1)
}
// shortDesc returns the first line of a description.
func shortDesc(desc string) string {
if i := strings.Index(desc, "\n"); i != -1 {
desc = desc[:i]
}
return desc
}
// shortHash returns a short version of a hash.
func shortHash(hash string) string {
if len(hash) > 12 {
hash = hash[:12]
}
return hash
}
// shortUser returns a shortened version of a user string.
func shortUser(user string) string {
if i, j := strings.Index(user, "<"), strings.Index(user, ">"); 0 <= i && i < j {
user = user[i+1 : j]
}
if i := strings.Index(user, "@"); i >= 0 {
return user[:i]
}
return user
}
// repoRe matches Google Code repositories and subrepositories (without paths).
var repoRe = regexp.MustCompile(`^code\.google\.com/p/([a-z0-9\-]+)(\.[a-z0-9\-]+)?$`)
// repoURL returns the URL of a change at a Google Code repository or subrepo.
func repoURL(hash, packagePath string) (string, error) {
if packagePath == "" {
return "https://code.google.com/p/go/source/detail?r=" + hash, nil
}
m := repoRe.FindStringSubmatch(packagePath)
if m == nil {
return "", errors.New("unrecognized package: " + packagePath)
}
url := "https://code.google.com/p/" + m[1] + "/source/detail?r=" + hash
if len(m) > 2 {
url += "&repo=" + m[2][1:]
}
return url, nil
}
// tail returns the trailing n lines of s.
func tail(n int, s string) string {
lines := strings.Split(s, "\n")
if len(lines) < n {
return s
}
return strings.Join(lines[len(lines)-n:], "\n")
}

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<!DOCTYPE HTML>
<html>
<head>
<title>Go Build Dashboard</title>
<style>
body {
font-family: sans-serif;
padding: 0; margin: 0;
}
h1, h2 {
margin: 0;
padding: 5px;
}
h1 {
background: #eee;
}
h2 {
margin-top: 20px;
}
.build, .packages {
margin: 5px;
border-collapse: collapse;
}
.build td, .build th, .packages td, .packages th {
vertical-align: top;
padding: 2px 4px;
font-size: 10pt;
}
.build tr.commit:nth-child(2n) {
background-color: #f0f0f0;
}
.build .hash {
font-family: monospace;
font-size: 9pt;
}
.build .result {
text-align: center;
width: 2em;
}
.col-hash, .col-result {
border-right: solid 1px #ccc;
}
.build .arch {
font-size: 66%;
font-weight: normal;
}
.build .time {
color: #666;
}
.build .ok {
font-size: 83%;
}
.build .desc, .build .time, .build .user {
white-space: nowrap;
}
.paginate {
padding: 0.5em;
}
.paginate a {
padding: 0.5em;
background: #eee;
color: blue;
}
.paginate a.inactive {
color: #999;
}
.fail {
color: #C00;
}
</style>
</head>
<body>
<h1>Go Build Status</h1>
{{if $.Commits}}
<table class="build">
<colgroup class="col-hash"></colgroup>
{{range $.Builders | builderSpans}}
<colgroup class="col-result" span="{{.N}}"></colgroup>
{{end}}
<colgroup class="col-user"></colgroup>
<colgroup class="col-time"></colgroup>
<colgroup class="col-desc"></colgroup>
<tr>
<!-- extra row to make alternating colors use dark for first result -->
</tr>
<tr>
<th>&nbsp;</th>
{{range $.Builders | builderSpans}}
<th colspan="{{.N}}">{{.OS}}</th>
{{end}}
<th></th>
<th></th>
<th></th>
</tr>
<tr>
<th>&nbsp;</th>
{{range $.Builders}}
<th class="result arch" title="{{.}}">{{builderArchShort .}}</th>
{{end}}
</tr>
{{range $c := $.Commits}}
<tr class="commit">
<td class="hash"><a href="{{repoURL .Hash ""}}">{{shortHash .Hash}}</a></td>
{{range $.Builders}}
<td class="result">
{{with $c.Result . ""}}
{{if .OK}}
<span class="ok">ok</span>
{{else}}
<a href="/log/{{.LogHash}}" class="fail">fail</a>
{{end}}
{{else}}
&nbsp;
{{end}}
</td>
{{end}}
<td class="user" title="{{.User}}">{{shortUser .User}}</td>
<td class="time">{{.Time.Format "Mon 02 Jan 15:04"}}</td>
<td class="desc" title="{{.Desc}}">{{shortDesc .Desc}}</td>
</tr>
{{end}}
</table>
{{with $.Pagination}}
<div class="paginate">
<a {{if .HasPrev}}href="?page={{.Prev}}"{{else}}class="inactive"{{end}}>newer</a>
<a {{if .Next}}href="?page={{.Next}}"{{else}}class="inactive"{{end}}>older</a>
<a {{if .HasPrev}}href="."{{else}}class="inactive"{{end}}>latest</a>
</div>
{{end}}
{{else}}
<p>No commits to display. Hm.</p>
{{end}}
{{with $.TipState}}
{{$goHash := .Tag.Hash}}
<h2>
Sub-repositories at tip
<small>(<a href="{{repoURL .Tag.Hash ""}}">{{shortHash .Tag.Hash}}</a>)</small>
</h2>
<table class="build">
<colgroup class="col-package"></colgroup>
<colgroup class="col-hash"></colgroup>
{{range $.Builders | builderSpans}}
<colgroup class="col-result" span="{{.N}}"></colgroup>
{{end}}
<colgroup class="col-user"></colgroup>
<colgroup class="col-time"></colgroup>
<colgroup class="col-desc"></colgroup>
<tr>
<!-- extra row to make alternating colors use dark for first result -->
</tr>
<tr>
<th></th>
<th></th>
{{range $.Builders | builderSpans}}
<th colspan="{{.N}}">{{.OS}}</th>
{{end}}
<th></th>
<th></th>
<th></th>
</tr>
<tr>
<th></th>
<th></th>
{{range $.Builders}}
<th class="result arch" title="{{.}}">{{builderArchShort .}}</th>
{{end}}
<th></th>
<th></th>
<th></th>
</tr>
{{range $pkg := .Packages}}
<tr class="commit">
<td><a title="{{.Package.Path}}">{{.Package.Name}}</a></td>
<td class="hash">
{{$h := $pkg.Commit.Hash}}
<a href="{{repoURL $h $pkg.Commit.PackagePath}}">{{shortHash $h}}</a>
</td>
{{range $.Builders}}
<td class="result">
{{with $pkg.Commit.Result . $goHash}}
{{if .OK}}
<span class="ok">ok</span>
{{else}}
<a href="/log/{{.LogHash}}" class="fail">fail</a>
{{end}}
{{else}}
&nbsp;
{{end}}
</td>
{{end}}
{{with $pkg.Commit}}
<td class="user" title="{{.User}}">{{shortUser .User}}</td>
<td class="time">{{.Time.Format "Mon 02 Jan 15:04"}}</td>
<td class="desc" title="{{.Desc}}">{{shortDesc .Desc}}</td>
{{end}}
</tr>
{{end}}
</table>
{{end}}
</body>
</html>

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@ -1,82 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cache
import (
"fmt"
"net/http"
"time"
"appengine"
"appengine/memcache"
)
const (
nocache = "nocache"
timeKey = "cachetime"
expiry = 600 // 10 minutes
)
func newTime() uint64 { return uint64(time.Now().Unix()) << 32 }
// Now returns the current logical datastore time to use for cache lookups.
func Now(c appengine.Context) uint64 {
t, err := memcache.Increment(c, timeKey, 0, newTime())
if err != nil {
c.Errorf("cache.Now: %v", err)
return 0
}
return t
}
// Tick sets the current logical datastore time to a never-before-used time
// and returns that time. It should be called to invalidate the cache.
func Tick(c appengine.Context) uint64 {
t, err := memcache.Increment(c, timeKey, 1, newTime())
if err != nil {
c.Errorf("cache.Tick: %v", err)
return 0
}
return t
}
// Get fetches data for name at time now from memcache and unmarshals it into
// value. It reports whether it found the cache record and logs any errors to
// the admin console.
func Get(r *http.Request, now uint64, name string, value interface{}) bool {
if now == 0 || r.FormValue(nocache) != "" {
return false
}
c := appengine.NewContext(r)
key := fmt.Sprintf("%s.%d", name, now)
_, err := memcache.JSON.Get(c, key, value)
if err == nil {
c.Debugf("cache hit %q", key)
return true
}
c.Debugf("cache miss %q", key)
if err != memcache.ErrCacheMiss {
c.Errorf("get cache %q: %v", key, err)
}
return false
}
// Set puts value into memcache under name at time now.
// It logs any errors to the admin console.
func Set(r *http.Request, now uint64, name string, value interface{}) {
if now == 0 || r.FormValue(nocache) != "" {
return
}
c := appengine.NewContext(r)
key := fmt.Sprintf("%s.%d", name, now)
err := memcache.JSON.Set(c, &memcache.Item{
Key: key,
Object: value,
Expiration: expiry,
})
if err != nil {
c.Errorf("set cache %q: %v", key, err)
}
}

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# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
builder: $(shell ls *.go)
go build -o $@ $^
clean:
rm -f builder

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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Go Builder is a continuous build client for the Go project.
It integrates with the Go Dashboard AppEngine application.
Go Builder is intended to run continuously as a background process.
It periodically pulls updates from the Go Mercurial repository.
When a newer revision is found, Go Builder creates a clone of the repository,
runs all.bash, and reports build success or failure to the Go Dashboard.
For a release revision (a change description that matches "release.YYYY-MM-DD"),
Go Builder will create a tar.gz archive of the GOROOT and deliver it to the
Go Google Code project's downloads section.
Usage:
gobuilder goos-goarch...
Several goos-goarch combinations can be provided, and the builder will
build them in serial.
Optional flags:
-dashboard="godashboard.appspot.com": Go Dashboard Host
The location of the Go Dashboard application to which Go Builder will
report its results.
-release: Build and deliver binary release archive
-rev=N: Build revision N and exit
-cmd="./all.bash": Build command (specify absolute or relative to go/src)
-v: Verbose logging
-external: External package builder mode (will not report Go build
state to dashboard or issue releases)
The key file should be located at $HOME/.gobuildkey or, for a builder-specific
key, $HOME/.gobuildkey-$BUILDER (eg, $HOME/.gobuildkey-linux-amd64).
The build key file is a text file of the format:
godashboard-key
googlecode-username
googlecode-password
If the Google Code credentials are not provided the archival step
will be skipped.
*/
package main

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@ -1,79 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"bytes"
"fmt"
"io"
"log"
"os"
"os/exec"
"time"
)
// run is a simple wrapper for exec.Run/Close
func run(timeout time.Duration, envv []string, dir string, argv ...string) error {
if *verbose {
log.Println("run", argv)
}
cmd := exec.Command(argv[0], argv[1:]...)
cmd.Dir = dir
cmd.Env = envv
cmd.Stderr = os.Stderr
if err := cmd.Start(); err != nil {
return err
}
return waitWithTimeout(timeout, cmd)
}
// runLog runs a process and returns the combined stdout/stderr. It returns
// process combined stdout and stderr output, exit status and error. The
// error returned is nil, if process is started successfully, even if exit
// status is not successful.
func runLog(timeout time.Duration, envv []string, dir string, argv ...string) (string, bool, error) {
var b bytes.Buffer
ok, err := runOutput(timeout, envv, &b, dir, argv...)
return b.String(), ok, err
}
// runOutput runs a process and directs any output to the supplied writer.
// It returns exit status and error. The error returned is nil, if process
// is started successfully, even if exit status is not successful.
func runOutput(timeout time.Duration, envv []string, out io.Writer, dir string, argv ...string) (bool, error) {
if *verbose {
log.Println("runOutput", argv)
}
cmd := exec.Command(argv[0], argv[1:]...)
cmd.Dir = dir
cmd.Env = envv
cmd.Stdout = out
cmd.Stderr = out
startErr := cmd.Start()
if startErr != nil {
return false, startErr
}
if err := waitWithTimeout(timeout, cmd); err != nil {
return false, err
}
return true, nil
}
func waitWithTimeout(timeout time.Duration, cmd *exec.Cmd) error {
errc := make(chan error, 1)
go func() {
errc <- cmd.Wait()
}()
var err error
select {
case <-time.After(timeout):
cmd.Process.Kill()
err = fmt.Errorf("timed out after %v", timeout)
case err = <-errc:
}
return err
}

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"log"
"net/http"
"net/url"
"time"
)
type obj map[string]interface{}
// dash runs the given method and command on the dashboard.
// If args is non-nil it is encoded as the URL query string.
// If req is non-nil it is JSON-encoded and passed as the body of the HTTP POST.
// If resp is non-nil the server's response is decoded into the value pointed
// to by resp (resp must be a pointer).
func dash(meth, cmd string, args url.Values, req, resp interface{}) error {
var r *http.Response
var err error
if *verbose {
log.Println("dash", meth, cmd, args, req)
}
cmd = "http://" + *dashboard + "/" + cmd
if len(args) > 0 {
cmd += "?" + args.Encode()
}
switch meth {
case "GET":
if req != nil {
log.Panicf("%s to %s with req", meth, cmd)
}
r, err = http.Get(cmd)
case "POST":
var body io.Reader
if req != nil {
b, err := json.Marshal(req)
if err != nil {
return err
}
body = bytes.NewBuffer(b)
}
r, err = http.Post(cmd, "text/json", body)
default:
log.Panicf("%s: invalid method %q", cmd, meth)
panic("invalid method: " + meth)
}
if err != nil {
return err
}
defer r.Body.Close()
if r.StatusCode != http.StatusOK {
return fmt.Errorf("bad http response: %v", r.Status)
}
body := new(bytes.Buffer)
if _, err := body.ReadFrom(r.Body); err != nil {
return err
}
// Read JSON-encoded Response into provided resp
// and return an error if present.
var result = struct {
Response interface{}
Error string
}{
// Put the provided resp in here as it can be a pointer to
// some value we should unmarshal into.
Response: resp,
}
if err = json.Unmarshal(body.Bytes(), &result); err != nil {
log.Printf("json unmarshal %#q: %s\n", body.Bytes(), err)
return err
}
if result.Error != "" {
return errors.New(result.Error)
}
return nil
}
// todo returns the next hash to build.
func (b *Builder) todo(kind, pkg, goHash string) (rev string, err error) {
args := url.Values{
"kind": {kind},
"builder": {b.name},
"packagePath": {pkg},
"goHash": {goHash},
}
var resp *struct {
Kind string
Data struct {
Hash string
}
}
if err = dash("GET", "todo", args, nil, &resp); err != nil {
return "", err
}
if resp == nil {
return "", nil
}
if kind != resp.Kind {
return "", fmt.Errorf("expecting Kind %q, got %q", kind, resp.Kind)
}
return resp.Data.Hash, nil
}
// recordResult sends build results to the dashboard
func (b *Builder) recordResult(ok bool, pkg, hash, goHash, buildLog string, runTime time.Duration) error {
req := obj{
"Builder": b.name,
"PackagePath": pkg,
"Hash": hash,
"GoHash": goHash,
"OK": ok,
"Log": buildLog,
"RunTime": runTime,
}
args := url.Values{"key": {b.key}, "builder": {b.name}}
return dash("POST", "result", args, req, nil)
}
func postCommit(key, pkg string, l *HgLog) error {
t, err := time.Parse(time.RFC3339, l.Date)
if err != nil {
return fmt.Errorf("parsing %q: %v", l.Date, t)
}
return dash("POST", "commit", url.Values{"key": {key}}, obj{
"PackagePath": pkg,
"Hash": l.Hash,
"ParentHash": l.Parent,
"Time": t.Format(time.RFC3339),
"User": l.Author,
"Desc": l.Desc,
}, nil)
}
func dashboardCommit(pkg, hash string) bool {
err := dash("GET", "commit", url.Values{
"packagePath": {pkg},
"hash": {hash},
}, nil, nil)
return err == nil
}
func dashboardPackages(kind string) []string {
args := url.Values{"kind": []string{kind}}
var resp []struct {
Path string
}
if err := dash("GET", "packages", args, nil, &resp); err != nil {
log.Println("dashboardPackages:", err)
return nil
}
var pkgs []string
for _, r := range resp {
pkgs = append(pkgs, r.Path)
}
return pkgs
}

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@ -1,653 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"bytes"
"flag"
"fmt"
"io"
"io/ioutil"
"log"
"os"
"path/filepath"
"regexp"
"runtime"
"strings"
"time"
)
const (
codeProject = "go"
codePyScript = "misc/dashboard/googlecode_upload.py"
hgUrl = "https://code.google.com/p/go/"
mkdirPerm = 0750
waitInterval = 30 * time.Second // time to wait before checking for new revs
pkgBuildInterval = 24 * time.Hour // rebuild packages every 24 hours
)
// These variables are copied from the gobuilder's environment
// to the envv of its subprocesses.
var extraEnv = []string{
"GOARM",
// For Unix derivatives.
"CC",
"PATH",
"TMPDIR",
"USER",
// For Plan 9.
"objtype",
"cputype",
"path",
}
type Builder struct {
goroot *Repo
name string
goos, goarch string
key string
}
var (
buildroot = flag.String("buildroot", defaultBuildRoot(), "Directory under which to build")
dashboard = flag.String("dashboard", "build.golang.org", "Go Dashboard Host")
buildRelease = flag.Bool("release", false, "Build and upload binary release archives")
buildRevision = flag.String("rev", "", "Build specified revision and exit")
buildCmd = flag.String("cmd", filepath.Join(".", allCmd), "Build command (specify relative to go/src/)")
failAll = flag.Bool("fail", false, "fail all builds")
parallel = flag.Bool("parallel", false, "Build multiple targets in parallel")
buildTimeout = flag.Duration("buildTimeout", 60*time.Minute, "Maximum time to wait for builds and tests")
cmdTimeout = flag.Duration("cmdTimeout", 10*time.Minute, "Maximum time to wait for an external command")
commitInterval = flag.Duration("commitInterval", 1*time.Minute, "Time to wait between polling for new commits (0 disables commit poller)")
verbose = flag.Bool("v", false, "verbose")
)
var (
binaryTagRe = regexp.MustCompile(`^(release\.r|weekly\.)[0-9\-.]+`)
releaseRe = regexp.MustCompile(`^release\.r[0-9\-.]+`)
allCmd = "all" + suffix
raceCmd = "race" + suffix
cleanCmd = "clean" + suffix
suffix = defaultSuffix()
)
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "usage: %s goos-goarch...\n", os.Args[0])
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
if len(flag.Args()) == 0 {
flag.Usage()
}
goroot := &Repo{
Path: filepath.Join(*buildroot, "goroot"),
}
// set up work environment, use existing enviroment if possible
if goroot.Exists() || *failAll {
log.Print("Found old workspace, will use it")
} else {
if err := os.RemoveAll(*buildroot); err != nil {
log.Fatalf("Error removing build root (%s): %s", *buildroot, err)
}
if err := os.Mkdir(*buildroot, mkdirPerm); err != nil {
log.Fatalf("Error making build root (%s): %s", *buildroot, err)
}
var err error
goroot, err = RemoteRepo(hgUrl).Clone(goroot.Path, "tip")
if err != nil {
log.Fatal("Error cloning repository:", err)
}
}
// set up builders
builders := make([]*Builder, len(flag.Args()))
for i, name := range flag.Args() {
b, err := NewBuilder(goroot, name)
if err != nil {
log.Fatal(err)
}
builders[i] = b
}
if *failAll {
failMode(builders)
return
}
// if specified, build revision and return
if *buildRevision != "" {
hash, err := goroot.FullHash(*buildRevision)
if err != nil {
log.Fatal("Error finding revision: ", err)
}
for _, b := range builders {
if err := b.buildHash(hash); err != nil {
log.Println(err)
}
}
return
}
// Start commit watcher
go commitWatcher(goroot)
// go continuous build mode
// check for new commits and build them
for {
built := false
t := time.Now()
if *parallel {
done := make(chan bool)
for _, b := range builders {
go func(b *Builder) {
done <- b.build()
}(b)
}
for _ = range builders {
built = <-done || built
}
} else {
for _, b := range builders {
built = b.build() || built
}
}
// sleep if there was nothing to build
if !built {
time.Sleep(waitInterval)
}
// sleep if we're looping too fast.
dt := time.Now().Sub(t)
if dt < waitInterval {
time.Sleep(waitInterval - dt)
}
}
}
// go continuous fail mode
// check for new commits and FAIL them
func failMode(builders []*Builder) {
for {
built := false
for _, b := range builders {
built = b.failBuild() || built
}
// stop if there was nothing to fail
if !built {
break
}
}
}
func NewBuilder(goroot *Repo, name string) (*Builder, error) {
b := &Builder{
goroot: goroot,
name: name,
}
// get goos/goarch from builder string
s := strings.SplitN(b.name, "-", 3)
if len(s) >= 2 {
b.goos, b.goarch = s[0], s[1]
} else {
return nil, fmt.Errorf("unsupported builder form: %s", name)
}
// read keys from keyfile
fn := ""
if runtime.GOOS == "windows" {
fn = os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
} else {
fn = os.Getenv("HOME")
}
fn = filepath.Join(fn, ".gobuildkey")
if s := fn + "-" + b.name; isFile(s) { // builder-specific file
fn = s
}
c, err := ioutil.ReadFile(fn)
if err != nil {
return nil, fmt.Errorf("readKeys %s (%s): %s", b.name, fn, err)
}
b.key = string(bytes.TrimSpace(bytes.SplitN(c, []byte("\n"), 2)[0]))
return b, nil
}
// buildCmd returns the build command to invoke.
// Builders which contain the string '-race' in their
// name will override *buildCmd and return raceCmd.
func (b *Builder) buildCmd() string {
if strings.Contains(b.name, "-race") {
return raceCmd
}
return *buildCmd
}
// build checks for a new commit for this builder
// and builds it if one is found.
// It returns true if a build was attempted.
func (b *Builder) build() bool {
hash, err := b.todo("build-go-commit", "", "")
if err != nil {
log.Println(err)
return false
}
if hash == "" {
return false
}
if err := b.buildHash(hash); err != nil {
log.Println(err)
}
return true
}
func (b *Builder) buildHash(hash string) error {
log.Println(b.name, "building", hash)
// create place in which to do work
workpath := filepath.Join(*buildroot, b.name+"-"+hash[:12])
if err := os.Mkdir(workpath, mkdirPerm); err != nil {
return err
}
defer os.RemoveAll(workpath)
// pull before cloning to ensure we have the revision
if err := b.goroot.Pull(); err != nil {
return err
}
// clone repo at specified revision
if _, err := b.goroot.Clone(filepath.Join(workpath, "go"), hash); err != nil {
return err
}
srcDir := filepath.Join(workpath, "go", "src")
// build
var buildlog bytes.Buffer
logfile := filepath.Join(workpath, "build.log")
f, err := os.Create(logfile)
if err != nil {
return err
}
defer f.Close()
w := io.MultiWriter(f, &buildlog)
cmd := b.buildCmd()
if !filepath.IsAbs(cmd) {
cmd = filepath.Join(srcDir, cmd)
}
startTime := time.Now()
ok, err := runOutput(*buildTimeout, b.envv(), w, srcDir, cmd)
runTime := time.Now().Sub(startTime)
errf := func() string {
if err != nil {
return fmt.Sprintf("error: %v", err)
}
if !ok {
return "failed"
}
return "success"
}
fmt.Fprintf(w, "Build complete, duration %v. Result: %v\n", runTime, errf())
if err != nil || !ok {
// record failure
return b.recordResult(false, "", hash, "", buildlog.String(), runTime)
}
// record success
if err = b.recordResult(true, "", hash, "", "", runTime); err != nil {
return fmt.Errorf("recordResult: %s", err)
}
// build Go sub-repositories
goRoot := filepath.Join(workpath, "go")
goPath := workpath
b.buildSubrepos(goRoot, goPath, hash)
return nil
}
// failBuild checks for a new commit for this builder
// and fails it if one is found.
// It returns true if a build was "attempted".
func (b *Builder) failBuild() bool {
hash, err := b.todo("build-go-commit", "", "")
if err != nil {
log.Println(err)
return false
}
if hash == "" {
return false
}
log.Printf("fail %s %s\n", b.name, hash)
if err := b.recordResult(false, "", hash, "", "auto-fail mode run by "+os.Getenv("USER"), 0); err != nil {
log.Print(err)
}
return true
}
func (b *Builder) buildSubrepos(goRoot, goPath, goHash string) {
for _, pkg := range dashboardPackages("subrepo") {
// get the latest todo for this package
hash, err := b.todo("build-package", pkg, goHash)
if err != nil {
log.Printf("buildSubrepos %s: %v", pkg, err)
continue
}
if hash == "" {
continue
}
// build the package
if *verbose {
log.Printf("buildSubrepos %s: building %q", pkg, hash)
}
buildLog, err := b.buildSubrepo(goRoot, goPath, pkg, hash)
if err != nil {
if buildLog == "" {
buildLog = err.Error()
}
log.Printf("buildSubrepos %s: %v", pkg, err)
}
// record the result
err = b.recordResult(err == nil, pkg, hash, goHash, buildLog, 0)
if err != nil {
log.Printf("buildSubrepos %s: %v", pkg, err)
}
}
}
// buildSubrepo fetches the given package, updates it to the specified hash,
// and runs 'go test -short pkg/...'. It returns the build log and any error.
func (b *Builder) buildSubrepo(goRoot, goPath, pkg, hash string) (string, error) {
goTool := filepath.Join(goRoot, "bin", "go")
env := append(b.envv(), "GOROOT="+goRoot, "GOPATH="+goPath)
// add $GOROOT/bin and $GOPATH/bin to PATH
for i, e := range env {
const p = "PATH="
if !strings.HasPrefix(e, p) {
continue
}
sep := string(os.PathListSeparator)
env[i] = p + filepath.Join(goRoot, "bin") + sep + filepath.Join(goPath, "bin") + sep + e[len(p):]
}
// fetch package and dependencies
log, ok, err := runLog(*cmdTimeout, env, goPath, goTool, "get", "-d", pkg+"/...")
if err == nil && !ok {
err = fmt.Errorf("go exited with status 1")
}
if err != nil {
return log, err
}
// hg update to the specified hash
repo := Repo{Path: filepath.Join(goPath, "src", pkg)}
if err := repo.UpdateTo(hash); err != nil {
return "", err
}
// test the package
log, ok, err = runLog(*buildTimeout, env, goPath, goTool, "test", "-short", pkg+"/...")
if err == nil && !ok {
err = fmt.Errorf("go exited with status 1")
}
return log, err
}
// envv returns an environment for build/bench execution
func (b *Builder) envv() []string {
if runtime.GOOS == "windows" {
return b.envvWindows()
}
e := []string{
"GOOS=" + b.goos,
"GOHOSTOS=" + b.goos,
"GOARCH=" + b.goarch,
"GOHOSTARCH=" + b.goarch,
"GOROOT_FINAL=/usr/local/go",
}
for _, k := range extraEnv {
if s, ok := getenvOk(k); ok {
e = append(e, k+"="+s)
}
}
return e
}
// windows version of envv
func (b *Builder) envvWindows() []string {
start := map[string]string{
"GOOS": b.goos,
"GOHOSTOS": b.goos,
"GOARCH": b.goarch,
"GOHOSTARCH": b.goarch,
"GOROOT_FINAL": `c:\go`,
"GOBUILDEXIT": "1", // exit all.bat with completion status.
}
for _, name := range extraEnv {
if s, ok := getenvOk(name); ok {
start[name] = s
}
}
skip := map[string]bool{
"GOBIN": true,
"GOROOT": true,
"INCLUDE": true,
"LIB": true,
}
var e []string
for name, v := range start {
e = append(e, name+"="+v)
skip[name] = true
}
for _, kv := range os.Environ() {
s := strings.SplitN(kv, "=", 2)
name := strings.ToUpper(s[0])
switch {
case name == "":
// variables, like "=C:=C:\", just copy them
e = append(e, kv)
case !skip[name]:
e = append(e, kv)
skip[name] = true
}
}
return e
}
func isDirectory(name string) bool {
s, err := os.Stat(name)
return err == nil && s.IsDir()
}
func isFile(name string) bool {
s, err := os.Stat(name)
return err == nil && !s.IsDir()
}
// commitWatcher polls hg for new commits and tells the dashboard about them.
func commitWatcher(goroot *Repo) {
if *commitInterval == 0 {
log.Printf("commitInterval is %s, disabling commitWatcher", *commitInterval)
return
}
// Create builder just to get master key.
b, err := NewBuilder(goroot, "mercurial-commit")
if err != nil {
log.Fatal(err)
}
key := b.key
for {
if *verbose {
log.Printf("poll...")
}
// Main Go repository.
commitPoll(goroot, "", key)
// Go sub-repositories.
for _, pkg := range dashboardPackages("subrepo") {
pkgroot := &Repo{
Path: filepath.Join(*buildroot, pkg),
}
commitPoll(pkgroot, pkg, key)
}
if *verbose {
log.Printf("sleep...")
}
time.Sleep(*commitInterval)
}
}
// logByHash is a cache of all Mercurial revisions we know about,
// indexed by full hash.
var logByHash = map[string]*HgLog{}
// commitPoll pulls any new revisions from the hg server
// and tells the server about them.
func commitPoll(repo *Repo, pkg, key string) {
if !repo.Exists() {
var err error
repo, err = RemoteRepo(repoURL(pkg)).Clone(repo.Path, "tip")
if err != nil {
log.Printf("%s: hg clone failed: %v", pkg, err)
if err := os.RemoveAll(repo.Path); err != nil {
log.Printf("%s: %v", pkg, err)
}
}
return
}
logs, err := repo.Log() // repo.Log calls repo.Pull internally
if err != nil {
log.Printf("hg log: %v", err)
return
}
// Pass 1. Fill in parents and add new log entries to logsByHash.
// Empty parent means take parent from next log entry.
// Non-empty parent has form 1234:hashhashhash; we want full hash.
for i := range logs {
l := &logs[i]
if l.Parent == "" && i+1 < len(logs) {
l.Parent = logs[i+1].Hash
} else if l.Parent != "" {
l.Parent, _ = repo.FullHash(l.Parent)
}
if *verbose {
log.Printf("hg log %s: %s < %s\n", pkg, l.Hash, l.Parent)
}
if logByHash[l.Hash] == nil {
// Make copy to avoid pinning entire slice when only one entry is new.
t := *l
logByHash[t.Hash] = &t
}
}
for _, l := range logs {
addCommit(pkg, l.Hash, key)
}
}
// addCommit adds the commit with the named hash to the dashboard.
// key is the secret key for authentication to the dashboard.
// It avoids duplicate effort.
func addCommit(pkg, hash, key string) bool {
l := logByHash[hash]
if l == nil {
return false
}
if l.added {
return true
}
// Check for already added, perhaps in an earlier run.
if dashboardCommit(pkg, hash) {
log.Printf("%s already on dashboard\n", hash)
// Record that this hash is on the dashboard,
// as must be all its parents.
for l != nil {
l.added = true
l = logByHash[l.Parent]
}
return true
}
// Create parent first, to maintain some semblance of order.
if l.Parent != "" {
if !addCommit(pkg, l.Parent, key) {
return false
}
}
// Create commit.
if err := postCommit(key, pkg, l); err != nil {
log.Printf("failed to add %s to dashboard: %v", key, err)
return false
}
return true
}
var repoRe = regexp.MustCompile(`^code\.google\.com/p/([a-z0-9\-]+(\.[a-z0-9\-]+)?)(/[a-z0-9A-Z_.\-/]+)?$`)
// repoURL returns the repository URL for the supplied import path.
func repoURL(importPath string) string {
m := repoRe.FindStringSubmatch(importPath)
if len(m) < 2 {
log.Printf("repoURL: couldn't decipher %q", importPath)
return ""
}
return "https://code.google.com/p/" + m[1]
}
// defaultSuffix returns file extension used for command files in
// current os environment.
func defaultSuffix() string {
switch runtime.GOOS {
case "windows":
return ".bat"
case "plan9":
return ".rc"
default:
return ".bash"
}
}
// defaultBuildRoot returns default buildroot directory.
func defaultBuildRoot() string {
var d string
if runtime.GOOS == "windows" {
// will use c:\, otherwise absolute paths become too long
// during builder run, see http://golang.org/issue/3358.
d = `c:\`
} else {
d = os.TempDir()
}
return filepath.Join(d, "gobuilder")
}
func getenvOk(k string) (v string, ok bool) {
v = os.Getenv(k)
if v != "" {
return v, true
}
keq := k + "="
for _, kv := range os.Environ() {
if kv == keq {
return "", true
}
}
return "", false
}

View File

@ -1,148 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"encoding/xml"
"fmt"
"log"
"os"
"path/filepath"
"strconv"
"strings"
"sync"
)
// Repo represents a mercurial repository.
type Repo struct {
Path string
sync.Mutex
}
// RemoteRepo constructs a *Repo representing a remote repository.
func RemoteRepo(url string) *Repo {
return &Repo{
Path: url,
}
}
// Clone clones the current Repo to a new destination
// returning a new *Repo if successful.
func (r *Repo) Clone(path, rev string) (*Repo, error) {
r.Lock()
defer r.Unlock()
if err := run(*cmdTimeout, nil, *buildroot, r.hgCmd("clone", "-r", rev, r.Path, path)...); err != nil {
return nil, err
}
return &Repo{
Path: path,
}, nil
}
// UpdateTo updates the working copy of this Repo to the
// supplied revision.
func (r *Repo) UpdateTo(hash string) error {
r.Lock()
defer r.Unlock()
return run(*cmdTimeout, nil, r.Path, r.hgCmd("update", hash)...)
}
// Exists reports whether this Repo represents a valid Mecurial repository.
func (r *Repo) Exists() bool {
fi, err := os.Stat(filepath.Join(r.Path, ".hg"))
if err != nil {
return false
}
return fi.IsDir()
}
// Pull pulls changes from the default path, that is, the path
// this Repo was cloned from.
func (r *Repo) Pull() error {
r.Lock()
defer r.Unlock()
return run(*cmdTimeout, nil, r.Path, r.hgCmd("pull")...)
}
// Log returns the changelog for this repository.
func (r *Repo) Log() ([]HgLog, error) {
if err := r.Pull(); err != nil {
return nil, err
}
const N = 50 // how many revisions to grab
r.Lock()
defer r.Unlock()
data, _, err := runLog(*cmdTimeout, nil, r.Path, r.hgCmd("log",
"--encoding=utf-8",
"--limit="+strconv.Itoa(N),
"--template="+xmlLogTemplate)...,
)
if err != nil {
return nil, err
}
var logStruct struct {
Log []HgLog
}
err = xml.Unmarshal([]byte("<Top>"+data+"</Top>"), &logStruct)
if err != nil {
log.Printf("unmarshal hg log: %v", err)
return nil, err
}
return logStruct.Log, nil
}
// FullHash returns the full hash for the given Mercurial revision.
func (r *Repo) FullHash(rev string) (string, error) {
r.Lock()
defer r.Unlock()
s, _, err := runLog(*cmdTimeout, nil, r.Path,
r.hgCmd("log",
"--encoding=utf-8",
"--rev="+rev,
"--limit=1",
"--template={node}")...,
)
if err != nil {
return "", nil
}
s = strings.TrimSpace(s)
if s == "" {
return "", fmt.Errorf("cannot find revision")
}
if len(s) != 40 {
return "", fmt.Errorf("hg returned invalid hash " + s)
}
return s, nil
}
func (r *Repo) hgCmd(args ...string) []string {
return append([]string{"hg", "--config", "extensions.codereview=!"}, args...)
}
// HgLog represents a single Mercurial revision.
type HgLog struct {
Hash string
Author string
Date string
Desc string
Parent string
// Internal metadata
added bool
}
// xmlLogTemplate is a template to pass to Mercurial to make
// hg log print the log in valid XML for parsing with xml.Unmarshal.
const xmlLogTemplate = `
<Log>
<Hash>{node|escape}</Hash>
<Parent>{parent|escape}</Parent>
<Author>{author|escape}</Author>
<Date>{date|rfc3339date}</Date>
<Desc>{desc|escape}</Desc>
</Log>
`