diff --git a/.dockerignore b/.dockerignore index 76547e9ee..80ccf937c 100644 --- a/.dockerignore +++ b/.dockerignore @@ -1,3 +1,2 @@ bin -*.wasm -.git \ No newline at end of file +*.wasm \ No newline at end of file diff --git a/Dockerfile b/Dockerfile index 2487ea5bc..4ee20933a 100644 --- a/Dockerfile +++ b/Dockerfile @@ -4,7 +4,7 @@ # base installs required dependencies and runs go mod download to cache dependencies # FROM --platform=${BUILDPLATFORM} docker.io/golang:1.20-alpine AS base -RUN apk --update --no-cache add bash build-base curl +RUN apk --update --no-cache add bash build-base curl git # # build creates all needed binaries diff --git a/cmd/dendrite/main.go b/cmd/dendrite/main.go index 66eb88f87..7b2bebc0b 100644 --- a/cmd/dendrite/main.go +++ b/cmd/dendrite/main.go @@ -26,6 +26,7 @@ import ( "github.com/matrix-org/dendrite/setup/jetstream" "github.com/matrix-org/dendrite/setup/process" "github.com/matrix-org/gomatrixserverlib/fclient" + "github.com/prometheus/client_golang/prometheus" "github.com/sirupsen/logrus" "github.com/matrix-org/dendrite/appservice" @@ -187,6 +188,16 @@ func main() { } } + upCounter := prometheus.NewCounter(prometheus.CounterOpts{ + Namespace: "dendrite", + Name: "up", + ConstLabels: map[string]string{ + "version": internal.VersionString(), + }, + }) + upCounter.Add(1) + prometheus.MustRegister(upCounter) + // Expose the matrix APIs directly rather than putting them under a /api path. go func() { basepkg.SetupAndServeHTTP(processCtx, cfg, routers, httpAddr, nil, nil) diff --git a/internal/version.go b/internal/version.go index c42b20390..eedc3327c 100644 --- a/internal/version.go +++ b/internal/version.go @@ -2,6 +2,7 @@ package internal import ( "fmt" + "runtime/debug" "strings" ) @@ -19,6 +20,8 @@ const ( VersionMinor = 13 VersionPatch = 1 VersionTag = "" // example: "rc1" + + gitRevLen = 7 // 7 matches the displayed characters on github.com ) func VersionString() string { @@ -37,7 +40,30 @@ func init() { if branch != "" { parts = append(parts, branch) } - if len(parts) > 0 { - version += "+" + strings.Join(parts, ".") + + defer func() { + if len(parts) > 0 { + version += "+" + strings.Join(parts, ".") + } + }() + + // Try to get the revision Dendrite was build from. + // If we can't, e.g. Dendrite wasn't built (go run) or no VCS version is present, + // we just use the provided version above. + info, ok := debug.ReadBuildInfo() + if !ok { + return + } + + for _, setting := range info.Settings { + if setting.Key == "vcs.revision" { + revLen := len(setting.Value) + if revLen >= gitRevLen { + parts = append(parts, setting.Value[:gitRevLen]) + } else { + parts = append(parts, setting.Value[:revLen]) + } + break + } } }