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Signed-off-by: Matthias Bertschy <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,165 @@ | ||
| package main | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
|
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| "dagger.io/dagger" | ||
| ) | ||
|
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| // the platforms to build for and push in a multi-platform image | ||
| var platforms = []dagger.Platform{ | ||
| "linux/amd64", | ||
| "linux/arm64", | ||
| } | ||
|
|
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| // the system tests to run on the newly built image | ||
| var testNames = []string{ | ||
| "unit", | ||
| } | ||
|
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| // the container registry for the multi-platform image | ||
| const imageRepo = "quay.io/matthiasb_1/synchronizer" | ||
|
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| func main() { | ||
| if err := prMerged(context.Background()); err != nil { | ||
| fmt.Println(err) | ||
| } | ||
| } | ||
|
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| func prCreated(ctx context.Context) error { | ||
| // initialize Dagger client | ||
| client, src, err := initDagger(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer client.Close() | ||
|
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| // run basic tests on PR | ||
| if err := basicTests(ctx, client, src); err != nil { | ||
| return err | ||
| } | ||
|
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| return nil | ||
| } | ||
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| func basicTests(ctx context.Context, client *dagger.Client, src *dagger.Directory) error { | ||
| // TODO implement | ||
| return nil | ||
| } | ||
|
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| func prMerged(ctx context.Context) error { | ||
| // initialize Dagger client | ||
| client, src, err := initDagger(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer client.Close() | ||
|
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| // build image | ||
| imagePrerelease, err := dockerBuild(ctx, client, src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Println(imagePrerelease) | ||
|
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| // run system tests | ||
| if err := systemTest(ctx, client, imagePrerelease); err != nil { | ||
| return err | ||
| } | ||
|
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| // create release and retag image | ||
| imageRelease, err := releaseRetag(ctx, client, imagePrerelease) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Println(imageRelease) | ||
|
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| return nil | ||
| } | ||
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| func initDagger(ctx context.Context) (*dagger.Client, *dagger.Directory, error) { | ||
| client, err := dagger.Connect(ctx, dagger.WithLogOutput(os.Stdout)) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
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| // get reference to the local project | ||
| // git checkout is performed by the calling CI system (e.g. GitHub Actions) | ||
| src := client.Host().Directory(".") | ||
| return client, src, nil | ||
| } | ||
|
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| func releaseRetag(ctx context.Context, client *dagger.Client, prerelease string) (string, error) { | ||
| // TODO implement | ||
| return "", nil | ||
| } | ||
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| func systemTest(ctx context.Context, client *dagger.Client, imageDigest string) error { | ||
| // TODO implement | ||
| return nil | ||
| } | ||
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| func dockerBuild(ctx context.Context, client *dagger.Client, src *dagger.Directory) (string, error) { | ||
| // TODO prerelease image tag | ||
| // run unit tests | ||
| if err := unitTest(ctx, client, src); err != nil { | ||
| return "", err | ||
| } | ||
| // build and push the multi-platform image | ||
| imageDigest, err := buildPush(ctx, client, src) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| // TODO sign image with cosign | ||
| return imageDigest, nil | ||
| } | ||
|
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| func unitTest(ctx context.Context, client *dagger.Client, src *dagger.Directory) error { | ||
| fmt.Println("Running unit tests...") | ||
| // create a cache volume | ||
| goBuildCache := client.CacheVolume("goBuild") | ||
| goPkgCache := client.CacheVolume("goPkg") | ||
| // run tests | ||
| out, err := client.Container(). | ||
| From("golang:1.20-bullseye"). | ||
| WithDirectory("/src", src). | ||
| WithMountedCache("/go/pkg", goPkgCache). | ||
| WithMountedCache("/root/.cache/go-build", goBuildCache). | ||
| WithWorkdir("/src"). | ||
| WithExec([]string{"go", "test", "./..."}). | ||
| Stderr(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Println(out) | ||
| return nil | ||
| } | ||
|
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| func buildPush(ctx context.Context, client *dagger.Client, src *dagger.Directory) (string, error) { | ||
| fmt.Println("Building multi-platform image...") | ||
| platformVariants := make([]*dagger.Container, 0, len(platforms)) | ||
| for _, platform := range platforms { | ||
| ctr := src. | ||
| DockerBuild(dagger.DirectoryDockerBuildOpts{ | ||
| Dockerfile: "build/Dockerfile", | ||
| Platform: platform, | ||
| }) | ||
| platformVariants = append(platformVariants, ctr) | ||
| } | ||
|
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| imageDigest, err := client. | ||
| Container(). | ||
| Publish(ctx, imageRepo, dagger.ContainerPublishOpts{ | ||
| PlatformVariants: platformVariants, | ||
| // Some registries may require explicit use of docker mediatypes | ||
| // rather than the default OCI mediatypes | ||
| // MediaTypes: dagger.Dockermediatypes, | ||
| }) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| fmt.Println("Pushed multi-platform image w/ digest: ", imageDigest) | ||
| return imageDigest, nil | ||
| } |
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