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✨ Helm poc unpack image#811
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,21 @@ | ||
| # Note: This dockerfile does not build the binaries | ||
| # required and is intended to be built only with the | ||
| # 'make build' or 'make release' targets. | ||
| # Stage 1: | ||
| FROM gcr.io/distroless/static:debug-nonroot AS builder | ||
| # Stage 2: | ||
| FROM gcr.io/distroless/static:nonroot | ||
| # Grab the cp binary so we can cp the unpack | ||
| # binary to a shared volume in the bundle image | ||
| COPY --from=builder /busybox/cp /cp | ||
| WORKDIR / | ||
| COPY manager manager | ||
| COPY unpack unpack | ||
| EXPOSE 8080 | ||
| USER 65532:65532 | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -209,22 +209,24 @@ export GO_BUILD_GCFLAGS ?= all=-trimpath=${PWD} | ||
| export GO_BUILD_TAGS ?= upstream | ||
| export GO_BUILD_FLAGS ?= | ||
| BINARIES=manager unpack | ||
| $(BINARIES): | ||
| go build $(GO_BUILD_FLAGS) -tags '$(GO_BUILD_TAGS)' -ldflags '$(GO_BUILD_LDFLAGS)' -gcflags '$(GO_BUILD_GCFLAGS)' -asmflags '$(GO_BUILD_ASMFLAGS)' -o $(BUILDBIN)/$@ ./cmd/$@ | ||
| .PHONY: build-deps | ||
| build-deps: manifests generate fmt vet | ||
| .PHONY: build go-build-local | ||
| build: build-deps go-build-local #HELP Build manager binary for current GOOS and GOARCH. Default target. | ||
| go-build-local: BUILDBIN = bin | ||
| go-build-local: $(BINARIES) | ||
| .PHONY: build-linux go-build-linux | ||
| build-linux: build-deps go-build-linux #EXHELP Build manager binary for GOOS=linux and local GOARCH. | ||
| go-build-linux: BUILDBIN = bin/linux | ||
| go-build-linux: GOOS=linux | ||
| go-build-linux: $(BINARIES) | ||
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| .PHONY: run | ||
| run: docker-build kind-cluster kind-load kind-deploy #HELP Build the operator-controller then deploy it into a new kind cluster. | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| package main | ||
| import ( | ||
| "archive/tar" | ||
| "bytes" | ||
| "compress/gzip" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "io/fs" | ||
| "log" | ||
| "os" | ||
| "path/filepath" | ||
| "github.com/spf13/cobra" | ||
| "k8s.io/apimachinery/pkg/util/sets" | ||
| ) | ||
| func main() { | ||
| var bundleDir string | ||
| var opConVersion bool | ||
| skipRootPaths := sets.NewString( | ||
| "/dev", | ||
| "/etc", | ||
| "/proc", | ||
| "/product_name", | ||
| "/product_uuid", | ||
| "/sys", | ||
| "/bin", | ||
| ) | ||
| cmd := &cobra.Command{ | ||
| Use: "unpack", | ||
| Args: cobra.ExactArgs(0), | ||
| RunE: func(cmd *cobra.Command, _ []string) error { | ||
| if opConVersion { | ||
| // TODO | ||
| //fmt.Println(version.String()) | ||
| os.Exit(0) | ||
| } | ||
| var err error | ||
| bundleDir, err = filepath.Abs(bundleDir) | ||
| if err != nil { | ||
| log.Fatalf("get absolute path of bundle directory %q: %v", bundleDir, err) | ||
| } | ||
| bundleFS := os.DirFS(bundleDir) | ||
| buf := &bytes.Buffer{} | ||
| gzw := gzip.NewWriter(buf) | ||
| tw := tar.NewWriter(gzw) | ||
| if err := fs.WalkDir(bundleFS, ".", func(path string, d fs.DirEntry, err error) error { | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if d.Type()&os.ModeSymlink != 0 { | ||
| return nil | ||
| } | ||
| if bundleDir == "/" { | ||
| // If bundleDir is the filesystem root, skip some known unrelated directories | ||
| fullPath := filepath.Join(bundleDir, path) | ||
| if skipRootPaths.Has(fullPath) { | ||
| return filepath.SkipDir | ||
| } | ||
| } | ||
| info, err := d.Info() | ||
| if err != nil { | ||
| return fmt.Errorf("get file info for %q: %v", path, err) | ||
| } | ||
| h, err := tar.FileInfoHeader(info, "") | ||
| if err != nil { | ||
| return fmt.Errorf("build tar file info header for %q: %v", path, err) | ||
| } | ||
| h.Uid = 0 | ||
| h.Gid = 0 | ||
| h.Uname = "" | ||
| h.Gname = "" | ||
| h.Name = path | ||
| if err := tw.WriteHeader(h); err != nil { | ||
| return fmt.Errorf("write tar header for %q: %v", path, err) | ||
| } | ||
| if d.IsDir() { | ||
| return nil | ||
| } | ||
| f, err := bundleFS.Open(path) | ||
| if err != nil { | ||
| return fmt.Errorf("open file %q: %v", path, err) | ||
| } | ||
| if _, err := io.Copy(tw, f); err != nil { | ||
| return fmt.Errorf("write tar data for %q: %v", path, err) | ||
| } | ||
| return nil | ||
| }); err != nil { | ||
| log.Fatalf("generate tar.gz for bundle dir %q: %v", bundleDir, err) | ||
| } | ||
| if err := tw.Close(); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| if err := gzw.Close(); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| bundleMap := map[string]interface{}{ | ||
| "content": buf.Bytes(), | ||
| } | ||
| enc := json.NewEncoder(os.Stdout) | ||
| if err := enc.Encode(bundleMap); err != nil { | ||
| log.Fatalf("encode bundle map as JSON: %v", err) | ||
| } | ||
| return nil | ||
| }, | ||
| } | ||
| cmd.Flags().StringVar(&bundleDir, "bundle-dir", "", "directory in which the bundle can be found") | ||
| cmd.Flags().BoolVar(&opConVersion, "version", false, "displays operator-controller version information") | ||
| if err := cmd.Execute(); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } |
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