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This adds the initial implementation for the ko builder. Read more about the ko builder in the [design proposal](docs/design_proposals/ko-builder.md). Tracking: GoogleContainerTools#6041
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| ### Example: ko | ||
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| This is an example demonstrating building a Go app with the | ||
| [ko](https://github.com/google/ko) builder. | ||
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| The included [Cloud Build](https://cloud.google.com/build/docs) configuration | ||
| file shows how users can set up a simple pipeline using `skaffold build` and | ||
| `skaffold deploy`, without having to create a custom builder image containing | ||
| additional tools. |
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| # Demonstrate build & deploy using ko builder. | ||
| # Note that no custom images are required for any additional tools. | ||
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| options: | ||
| dynamic_substitutions: true | ||
| env: | ||
| - 'KUBECONFIG=/workspace/.kubeconfig' | ||
| - 'SKAFFOLD_DEFAULT_REPO=$_IMAGE_REPO' | ||
| - 'SKAFFOLD_INTERACTIVE=false' | ||
| - 'SKAFFOLD_TIMESTAMPS=true' | ||
| - 'SKAFFOLD_UPDATE_CHECK=false' | ||
| - 'SKAFFOLD_VERBOSITY=info' | ||
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| steps: | ||
| - id: build | ||
| name: $_SKAFFOLD_IMAGE | ||
| entrypoint: skaffold | ||
| args: | ||
| - build | ||
| - --file-output=artifacts.json | ||
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| - id: creds | ||
| name: $_SKAFFOLD_IMAGE | ||
| entrypoint: gcloud | ||
| args: | ||
| - container | ||
| - clusters | ||
| - get-credentials | ||
| - $_GKE_CLUSTER_NAME | ||
| - --project=$_GKE_CLUSTER_PROJECT_ID | ||
| - --zone=$_GKE_CLUSTER_ZONE | ||
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| - id: deploy | ||
| name: $_SKAFFOLD_IMAGE | ||
| entrypoint: skaffold | ||
| args: | ||
| - deploy | ||
| - --build-artifacts=artifacts.json | ||
| - --detect-minikube=false | ||
| - --status-check=true | ||
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| substitutions: | ||
| _GKE_CLUSTER_NAME: skaffold-ko | ||
| _GKE_CLUSTER_PROJECT_ID: $PROJECT_ID | ||
| _GKE_CLUSTER_ZONE: us-central1-f | ||
| _IMAGE_REPO: gcr.io/${PROJECT_ID} | ||
| _SKAFFOLD_IMAGE: gcr.io/k8s-skaffold/skaffold | ||
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| timeout: 1200s |
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| module github.com/GoogleContainerTools/skaffold/examples/ko | ||
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| go 1.13 |
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| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: web | ||
| spec: | ||
| ports: | ||
| - name: http | ||
| port: 80 | ||
| targetPort: 8080 | ||
| selector: | ||
| app: web | ||
| type: ClusterIP | ||
| --- | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: web | ||
| spec: | ||
| selector: | ||
| matchLabels: | ||
| app: web | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: web | ||
| spec: | ||
| containers: | ||
| - image: skaffold-ko | ||
| name: web | ||
| ports: | ||
| - containerPort: 8080 |
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| package main | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
| "net/http" | ||
| ) | ||
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| func main() { | ||
| http.HandleFunc("/", hello) | ||
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| log.Println("Listening on port 8080") | ||
| http.ListenAndServe(":8080", nil) | ||
| } | ||
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| func hello(w http.ResponseWriter, r *http.Request) { | ||
| fmt.Fprintf(w, "Hello, World!") | ||
| } |
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| apiVersion: skaffold/v2beta17 | ||
| kind: Config | ||
| build: | ||
| artifacts: | ||
| - image: skaffold-ko | ||
| ko: {} |
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| /* | ||
| Copyright 2021 The Skaffold Authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package integration | ||
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| import ( | ||
| "bytes" | ||
| "context" | ||
| "fmt" | ||
| "path/filepath" | ||
| "runtime" | ||
| "strings" | ||
| "testing" | ||
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| "github.com/docker/docker/client" | ||
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| // latestV1 "github.com/GoogleContainerTools/skaffold/pkg/skaffold/schema/latest/v1" | ||
| "github.com/GoogleContainerTools/skaffold/pkg/skaffold/build/ko" | ||
| latestV1 "github.com/GoogleContainerTools/skaffold/pkg/skaffold/build/ko/schema" | ||
| "github.com/GoogleContainerTools/skaffold/pkg/skaffold/docker" | ||
| "github.com/GoogleContainerTools/skaffold/testutil" | ||
| ) | ||
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| func TestBuildAndSideloadKoImage(t *testing.T) { | ||
| exampleDir, err := koExampleDir() | ||
| if err != nil { | ||
| t.Fatalf("could not get ko example app dir: %+v", err) | ||
| } | ||
| imageNameWithTag := "gcr.io/project-id/skaffold-ko:tag" | ||
| wantImageID := "imageID" | ||
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| api := (&testutil.FakeAPIClient{}).Add(imageNameWithTag, wantImageID) | ||
| localDocker := fakeLocalDaemon(api) | ||
| pushImages := false | ||
| b := ko.NewArtifactBuilder(localDocker, pushImages) | ||
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| artifact := &latestV1.Artifact{ | ||
| ImageName: "ko://github.com/GoogleContainerTools/skaffold/examples/ko", | ||
| Workspace: exampleDir, | ||
| ArtifactType: latestV1.ArtifactType{ | ||
| KoArtifact: &latestV1.KoArtifact{}, | ||
| }, | ||
| Dependencies: []*latestV1.ArtifactDependency{}, | ||
| } | ||
| var imageNameBuffer bytes.Buffer | ||
| imageID, err := b.Build(context.TODO(), &imageNameBuffer, artifact, imageNameWithTag) | ||
| if err != nil { | ||
| t.Fatalf("error during build: %+v", err) | ||
| } | ||
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| if imageID != wantImageID { | ||
| t.Errorf("got image ID %s, wanted %s", imageID, wantImageID) | ||
| } | ||
| imageName := imageNameBuffer.String() | ||
| wantImageNamePrefix := "gcr.io/project-id/skaffold-ko:" | ||
| if !strings.HasPrefix(imageName, wantImageNamePrefix) { | ||
| t.Errorf("got image name %s, wanted image name with prefix %s", imageName, wantImageNamePrefix) | ||
| } | ||
| } | ||
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| func koExampleDir() (string, error) { | ||
| _, filename, _, ok := runtime.Caller(0) | ||
| if !ok { | ||
| return "", fmt.Errorf("could not get current filename") | ||
| } | ||
| basepath := filepath.Dir(filename) | ||
| exampleDir, err := filepath.Abs(filepath.Join(basepath, "examples", "ko")) | ||
| if err != nil { | ||
| return "", fmt.Errorf("could not get absolute path of example from basepath %q: %w", basepath, err) | ||
| } | ||
| return exampleDir, nil | ||
| } | ||
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| func fakeLocalDaemon(api client.CommonAPIClient) docker.LocalDaemon { | ||
| return docker.NewLocalDaemon(api, nil, false, nil) | ||
| } |
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