xin/common.sh

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NIX_SSHOPTS="-i /run/secrets/manager_pubkey -oIdentitiesOnly=yes -oControlPath=/tmp/manager-ssh-%r@%h:%p -F/dev/null"
SSH="ssh ${NIX_SSHOPTS}"
CurrentVersion="$(git rev-parse HEAD)"
AgentKeys="$(ssh-add -L | awk '{print $2}')"
RunHost="$(uname -n)"
msg() {
echo -e "===> $@"
}
listNixOSHosts() {
for i in $(nix eval .#nixosConfigurations --apply builtins.attrNames --json | jq -r '.[]'); do
if [ -d hosts/${i} ]; then
echo $i
fi
done
}
resolveAlias() {
host="${1}"
if [ -f hosts/${host}/alias ]; then
cat "hosts/${host}/alias"
return
fi
echo "$host"
}
agentHasKey() {
checkKey="$(echo $1 | awk '{print $NF}')"
for i in $AgentKeys; do
if [[ "$i" == $checkKey ]]; then
return 0
fi
done
return 1
}
isRunHost() {
if [ "$1" = "$RunHost" ]; then
return 0
fi
return 1
}
tsAlive() {
ping -c 1 -w 2 $1 >/dev/null 2>&1 && return 0
tailscale ping --timeout 2s --c 1 --until-direct=false $1 >/dev/null 2>&1 && return 0
return 1
}
error() {
msg "Something went wrong!"
exit 1
}
start() {
agentHasKey "$(cat /run/secrets/manager_pubkey | awk '{print $2}')" || \
ssh-add /run/secrets/manager_key
}
finish() {
ssh-add -d /run/secrets/manager_key
exit 0
}