From a66083ea6a2487a042d3dcae5d3e3bfcda96bf17 Mon Sep 17 00:00:00 2001 From: Aaron Bieber Date: Wed, 16 Nov 2022 19:53:59 -0700 Subject: [PATCH] initial --- .envrc | 1 + .gitignore | 3 + LICENSE | 15 +++ flake.lock | 26 +++++ flake.nix | 40 +++++++ generate_images.sh | 12 ++ go.mod | 67 +++++++++++ go.sum | 284 +++++++++++++++++++++++++++++++++++++++++++++ main.go | 146 +++++++++++++++++++++++ style.css | 26 +++++ 10 files changed, 620 insertions(+) create mode 100644 .envrc create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 flake.lock create mode 100644 flake.nix create mode 100755 generate_images.sh create mode 100644 go.mod create mode 100644 go.sum create mode 100644 main.go create mode 100644 style.css diff --git a/.envrc b/.envrc new file mode 100644 index 0000000..3550a30 --- /dev/null +++ b/.envrc @@ -0,0 +1 @@ +use flake diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..64e2d48 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +.direnv +*.bak +result diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..a122d8a --- /dev/null +++ b/LICENSE @@ -0,0 +1,15 @@ +/* + * Copyright (c) 2022 Aaron Bieber + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..17d425b --- /dev/null +++ b/flake.lock @@ -0,0 +1,26 @@ +{ + "nodes": { + "nixpkgs": { + "locked": { + "lastModified": 1668417584, + "narHash": "sha256-yeuEyxKPwsm5fIHN49L/syn9g5coxnPp3GsVquhrv5A=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "013fcdd106823416918004bb684c3c186d3c460f", + "type": "github" + }, + "original": { + "id": "nixpkgs", + "ref": "nixos-unstable", + "type": "indirect" + } + }, + "root": { + "inputs": { + "nixpkgs": "nixpkgs" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..c5c6e9a --- /dev/null +++ b/flake.nix @@ -0,0 +1,40 @@ +{ + description = "tsvnstat: a tailscale aware vmcstat server"; + + inputs.nixpkgs.url = "nixpkgs/nixos-unstable"; + + outputs = { self, nixpkgs }: + let + supportedSystems = + [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ]; + forAllSystems = nixpkgs.lib.genAttrs supportedSystems; + nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; }); + in { + packages = forAllSystems (system: + let pkgs = nixpkgsFor.${system}; + in { + tsvnstat = pkgs.buildGoModule { + pname = "tsvnstat"; + version = "v0.0.0"; + src = ./.; + + vendorSha256 = "sha256-RNhu1gQ62Hg8Fhiw9uIS+b4YaAHtZMaqbelMKv+oZjM="; + proxyVendor = true; + }; + }); + + defaultPackage = forAllSystems (system: self.packages.${system}.tsvnstat); + devShells = forAllSystems (system: + let pkgs = nixpkgsFor.${system}; + in { + default = pkgs.mkShell { + shellHook = '' + PS1='\u@\h:\@; ' + echo "Go `${pkgs.go}/bin/go version`" + ''; + nativeBuildInputs = with pkgs; [ git go gopls go-tools ]; + }; + }); + }; +} + diff --git a/generate_images.sh b/generate_images.sh new file mode 100755 index 0000000..cbd550b --- /dev/null +++ b/generate_images.sh @@ -0,0 +1,12 @@ +#!/usr/bin/env sh + +for i in $@; do + vnstati --style 1 -L -s -o ${i}-s.png $i + vnstati --style 1 -L --fivegraph 576 218 -o ${i}-5g.png $i + vnstati --style 1 -L -hg -o ${i}-hg.png $i + vnstati --style 1 -L -h 24 -o ${i}-h.png $i + vnstati --style 1 -L -d 30 -o ${i}-d.png $i + vnstati --style 1 -L -t 10 -o ${i}-t.png $i + vnstati --style 1 -L -m 12 -o ${i}-m.png $i + vnstati --style 1 -L -y 5 -o ${i}-y.png $i +done diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..484f681 --- /dev/null +++ b/go.mod @@ -0,0 +1,67 @@ +module suah.dev/tsvnstat + +go 1.19 + +require tailscale.com v1.32.2 + +require ( + filippo.io/edwards25519 v1.0.0-rc.1 // indirect + github.com/akutz/memconn v0.1.0 // indirect + github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74 // indirect + github.com/aws/aws-sdk-go-v2 v1.11.2 // indirect + github.com/aws/aws-sdk-go-v2/config v1.11.0 // indirect + github.com/aws/aws-sdk-go-v2/credentials v1.6.4 // indirect + github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.8.2 // indirect + github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.2 // indirect + github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.0.2 // indirect + github.com/aws/aws-sdk-go-v2/internal/ini v1.3.2 // indirect + github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.5.2 // indirect + github.com/aws/aws-sdk-go-v2/service/ssm v1.17.1 // indirect + github.com/aws/aws-sdk-go-v2/service/sso v1.6.2 // indirect + github.com/aws/aws-sdk-go-v2/service/sts v1.11.1 // indirect + github.com/aws/smithy-go v1.9.0 // indirect + github.com/coreos/go-iptables v0.6.0 // indirect + github.com/fxamacker/cbor/v2 v2.4.0 // indirect + github.com/go-ole/go-ole v1.2.6 // indirect + github.com/godbus/dbus/v5 v5.0.6 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/google/btree v1.0.1 // indirect + github.com/google/go-cmp v0.5.8 // indirect + github.com/hdevalence/ed25519consensus v0.0.0-20220222234857-c00d1f31bab3 // indirect + github.com/insomniacslk/dhcp v0.0.0-20211209223715-7d93572ebe8e // indirect + github.com/jmespath/go-jmespath v0.4.0 // indirect + github.com/josharian/native v1.0.0 // indirect + github.com/jsimonetti/rtnetlink v1.1.2-0.20220408201609-d380b505068b // indirect + github.com/klauspost/compress v1.15.4 // indirect + github.com/kortschak/wol v0.0.0-20200729010619-da482cc4850a // indirect + github.com/mdlayher/genetlink v1.2.0 // indirect + github.com/mdlayher/netlink v1.6.0 // indirect + github.com/mdlayher/sdnotify v1.0.0 // indirect + github.com/mdlayher/socket v0.2.3 // indirect + github.com/mitchellh/go-ps v1.0.0 // indirect + github.com/pkg/errors v0.9.1 // indirect + github.com/tailscale/certstore v0.1.1-0.20220316223106-78d6e1c49d8d // indirect + github.com/tailscale/golang-x-crypto v0.0.0-20221009170451-62f465106986 // indirect + github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05 // indirect + github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85 // indirect + github.com/tcnksm/go-httpstat v0.2.0 // indirect + github.com/u-root/uio v0.0.0-20220204230159-dac05f7d2cb4 // indirect + github.com/vishvananda/netlink v1.1.1-0.20211118161826-650dca95af54 // indirect + github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect + github.com/x448/float16 v0.8.4 // indirect + go4.org/mem v0.0.0-20210711025021-927187094b94 // indirect + go4.org/netipx v0.0.0-20220725152314-7e7bdc8411bf // indirect + golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f // indirect + golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect + golang.org/x/net v0.0.0-20221002022538-bcab6841153b // indirect + golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f // indirect + golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10 // indirect + golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect + golang.org/x/text v0.3.8-0.20211105212822-18b340fc7af2 // indirect + golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11 // indirect + golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224 // indirect + golang.zx2c4.com/wireguard v0.0.0-20220904105730-b51010ba13f0 // indirect + golang.zx2c4.com/wireguard/windows v0.5.3 // indirect + gvisor.dev/gvisor v0.0.0-20220817001344-846276b3dbc5 // indirect + nhooyr.io/websocket v1.8.7 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..dd20eaf --- /dev/null +++ b/go.sum @@ -0,0 +1,284 @@ +filippo.io/edwards25519 v1.0.0-rc.1 h1:m0VOOB23frXZvAOK44usCgLWvtsxIoMCTBGJZlpmGfU= +filippo.io/edwards25519 v1.0.0-rc.1/go.mod h1:N1IkdkCkiLB6tki+MYJoSx2JTY9NUlxZE7eHn5EwJns= +filippo.io/mkcert v1.4.3 h1:axpnmtrZMM8u5Hf4N3UXxboGemMOV+Tn+e+pkHM6E3o= +github.com/BurntSushi/toml v1.1.0 h1:ksErzDEI1khOiGPgpwuI7x2ebx/uXQNw7xJpn9Eq1+I= +github.com/akutz/memconn v0.1.0 h1:NawI0TORU4hcOMsMr11g7vwlCdkYeLKXBcxWu2W/P8A= +github.com/akutz/memconn v0.1.0/go.mod h1:Jo8rI7m0NieZyLI5e2CDlRdRqRRB4S7Xp77ukDjH+Fw= +github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74 h1:Kk6a4nehpJ3UuJRqlA3JxYxBZEqCeOmATOvrbT4p9RA= +github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4= +github.com/aws/aws-sdk-go-v2 v1.11.2 h1:SDiCYqxdIYi6HgQfAWRhgdZrdnOuGyLDJVRSWLeHWvs= +github.com/aws/aws-sdk-go-v2 v1.11.2/go.mod h1:SQfA+m2ltnu1cA0soUkj4dRSsmITiVQUJvBIZjzfPyQ= +github.com/aws/aws-sdk-go-v2/config v1.11.0 h1:Czlld5zBB61A3/aoegA9/buZulwL9mHHfizh/Oq+Kqs= +github.com/aws/aws-sdk-go-v2/config v1.11.0/go.mod h1:VrQDJGFBM5yZe+IOeenNZ/DWoErdny+k2MHEIpwDsEY= +github.com/aws/aws-sdk-go-v2/credentials v1.6.4 h1:2hvbUoHufns0lDIsaK8FVCMukT1WngtZPavN+W2FkSw= +github.com/aws/aws-sdk-go-v2/credentials v1.6.4/go.mod 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h1:7CrbWYbPPO/PyNy38b2EB/+gYbjCe2DXBxgtOOZbSQM= +nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g= +nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0= +software.sslmate.com/src/go-pkcs12 v0.0.0-20210415151418-c5206de65a78 h1:SqYE5+A2qvRhErbsXFfUEUmpWEKxxRSMgGLkvRAFOV4= +tailscale.com v1.32.2 h1:bTYbeNPhC3OBH0g5kYWXBEoUOiEsNYf0WSvsvFsYlB0= +tailscale.com v1.32.2/go.mod h1:AwKk+tI7z1+EXzmLxVNXA4dBpgTKd6RVV1VjFYEiv94= diff --git a/main.go b/main.go new file mode 100644 index 0000000..8282176 --- /dev/null +++ b/main.go @@ -0,0 +1,146 @@ +package main + +import ( + _ "embed" + "flag" + "fmt" + "log" + "net" + "net/http" + "os" + "os/exec" + "sort" + "strings" + "time" + + "tailscale.com/tsnet" +) + +//go:embed generate_images.sh +var genScript []byte + +//go:embed style.css +var style string + +func main() { + tmpDir, err := os.MkdirTemp("", "tsvnstat") + if err != nil { + log.Fatal(err) + } + + defer os.RemoveAll(tmpDir) + + tmpFile, err := os.CreateTemp("", "generate_images.sh") + if err != nil { + log.Fatal(err) + } + + defer os.Remove(tmpFile.Name()) + + if _, err := tmpFile.Write(genScript); err != nil { + log.Fatal(err) + } + if err := tmpFile.Close(); err != nil { + log.Fatal(err) + } + + err = os.Chmod(tmpFile.Name(), 0700) + if err != nil { + log.Fatal(err) + } + + name := flag.String("name", "", "name of service") + dir := flag.String("dir", tmpDir, "directory containing vnstat images") + flag.Parse() + + s := &tsnet.Server{ + Hostname: *name, + } + + ln, err := s.Listen("tcp", ":80") + if err != nil { + log.Fatal(err) + } + defer ln.Close() + + host, err := os.Hostname() + if err != nil { + log.Fatal(err) + } + + go func() { + for { + log.Printf("running %q in %q", tmpFile.Name(), tmpDir) + + ifaces, err := net.Interfaces() + if err != nil { + log.Fatal(err) + } + + var ifNames []string + for _, intf := range ifaces { + ifNames = append(ifNames, intf.Name) + } + + genCmd := exec.Command(tmpFile.Name(), ifNames...) + genCmd.Dir = *dir + _, err = genCmd.Output() + if err != nil { + log.Fatal(err) + } + time.Sleep(5 * time.Minute) + } + }() + + mux := http.NewServeMux() + fileServer := http.FileServer(http.Dir(*dir)) + + mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { + fileServer.ServeHTTP(w, r) + }) + mux.HandleFunc("/index.html", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + images, err := os.ReadDir(*dir) + if err != nil { + http.Error(w, err.Error(), 500) + return + } + + fmt.Fprintf(w, ` + + %s + + + +

vnstat for %s

`, host, style, host) + + sort.Slice(images, func(i, j int) bool { + return images[i].Name() < images[j].Name() + }) + + prefix := "" + oldPrefix := "" + for _, img := range images { + in := img.Name() + imgPrefix := strings.Split(in, "-")[0] + headImg := fmt.Sprintf("%s-s.png", imgPrefix) + + if prefix != imgPrefix { + if oldPrefix != prefix { + fmt.Fprintf(w, "

") + } + fmt.Fprintf(w, "

", headImg) + prefix = imgPrefix + } + + if in != headImg { + fmt.Fprintf(w, "
", in) + } + } + })) + + hs := &http.Server{ + Handler: mux, + } + + log.Panic(hs.Serve(ln)) +} diff --git a/style.css b/style.css new file mode 100644 index 0000000..6b06957 --- /dev/null +++ b/style.css @@ -0,0 +1,26 @@ +details { + padding: 10px; + margin: 30px; + border: 1px solid black; + border-radius: 10px; +} + +details > summary { + padding: 2px 6px; + cursor: pointer; + list-style: none; +} + +details[open] > summary { + border-bottom: 1px solid black; + border-radius: 0 0 10px 10px; +} + +details > p { + padding: 2px 6px; + position: reltive; +} + +details > p > img { + padding: 6px; +}