Files
grafana/pkg/build/e2e/service.go
2025-06-11 08:43:06 +02:00

118 lines
3.8 KiB
Go

package main
import (
"context"
"fmt"
"log"
"os"
"strings"
"dagger.io/dagger"
)
// NodeVersionContainer returns a container whose `stdout` will return the node version from the '.nvmrc' file in the directory 'src'.
func NodeVersion(d *dagger.Client, src *dagger.File) *dagger.Container {
return d.Container().From("alpine:3").
WithMountedFile("/src/.nvmrc", src).
WithWorkdir("/src").
WithExec([]string{"cat", ".nvmrc"})
}
func NodeImage(version string) string {
return fmt.Sprintf("node:%s-slim", strings.TrimPrefix(strings.TrimSpace(version), "v"))
}
type GrafanaServiceOpts struct {
GrafanaDir *dagger.Directory
GrafanaTarGz *dagger.File
YarnCache *dagger.CacheVolume
License *dagger.File
InstallImageRenderer bool
}
func Frontend(src *dagger.Directory) *dagger.Directory {
return src.
WithoutFile("go.mod").
WithoutFile("go.sum").
WithoutFile("go.work").
WithoutFile("go.work.sum").
WithoutDirectory(".github").
WithoutDirectory("docs").
WithoutDirectory("pkg").
WithoutDirectory("apps").
WithoutDirectory("videos")
}
func WithGrafanaFrontend(c *dagger.Container, src *dagger.Directory) *dagger.Container {
return c.WithDirectory("/src", Frontend(src), dagger.ContainerWithDirectoryOpts{
Exclude: []string{
"*drone*",
"*.go",
"*.md",
},
})
}
func WithYarnCache(c *dagger.Container, cache *dagger.CacheVolume) *dagger.Container {
return c.
WithWorkdir("/src").
WithMountedCache("/yarn/cache", cache)
}
func GrafanaService(ctx context.Context, d *dagger.Client, opts GrafanaServiceOpts) (*dagger.Service, error) {
log.Println("getting node version")
nodeVersion, err := NodeVersion(d, opts.GrafanaDir.File(".nvmrc")).Stdout(ctx)
if err != nil {
return nil, err
}
log.Println("done getting node version")
src := WithYarnCache(
WithGrafanaFrontend(d.Container().From(NodeImage(nodeVersion)), opts.GrafanaDir),
opts.YarnCache,
).WithEnvVariable("YARN_CACHE_FOLDER", "/yarn/cache").
WithExec([]string{"yarn", "install", "--immutable"}).
WithExec([]string{"yarn", "e2e:plugin:build"})
// _/ubuntu:latest sticks to latest LTS.
// We need ubuntu to support the image renderer plugin, which assumes glibc.
container := d.Container().From("ubuntu:latest").
WithMountedFile("/src/grafana.tar.gz", opts.GrafanaTarGz).
WithExec([]string{"mkdir", "-p", "/src/grafana"}).
WithExec([]string{"tar", "--strip-components=1", "-xzf", "/src/grafana.tar.gz", "-C", "/src/grafana"}).
WithDirectory("/src/grafana/devenv", src.Directory("/src/devenv")).
WithDirectory("/src/grafana/e2e", src.Directory("/src/e2e")).
WithDirectory("/src/grafana/scripts", src.Directory("/src/scripts")).
WithDirectory("/src/grafana/tools", src.Directory("/src/tools")).
WithWorkdir("/src/grafana").
WithEnvVariable("GF_APP_MODE", "development").
WithEnvVariable("GF_SERVER_HTTP_PORT", "3001").
WithEnvVariable("GF_SERVER_ROUTER_LOGGING", "1").
WithExposedPort(3001)
var licenseArg string
if opts.License != nil {
container = container.WithMountedFile("/src/license.jwt", opts.License)
licenseArg = "/src/license.jwt"
}
if opts.InstallImageRenderer {
container = container.WithEnvVariable("INSTALL_IMAGE_RENDERER", "true").
WithExec([]string{"apt-get", "update"}).
WithExec([]string{"apt-get", "install", "-y", "ca-certificates"})
}
// We add all GF_ environment variables to allow for overriding Grafana configuration.
// It is unlikely the runner has any such otherwise.
for _, env := range os.Environ() {
if strings.HasPrefix(env, "GF_") {
parts := strings.SplitN(env, "=", 2)
container = container.WithEnvVariable(parts[0], parts[1])
}
}
svc := container.AsService(dagger.ContainerAsServiceOpts{Args: []string{"bash", "-x", "scripts/grafana-server/start-server", licenseArg}})
return svc, nil
}