build: install tar

.github/workflows/e2e.yaml

@@ -60,8 +60,7 @@ jobs:
           kubectl wait kustomizations/frontend --for=condition=ready --timeout=4m
           kubectl wait kustomizations/generate --for=condition=ready --timeout=4m
           kubectl -n kustomize-system logs deploy/kustomize-controller
-      - name: Debug failure
-        if: failure()
+      - name: Debug
         run: |
           kubectl get gitrepositories -oyaml
           kubectl get kustomizations -oyaml

Dockerfile

@@ -29,7 +29,7 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o kustomiz
 
 FROM alpine:3.11
 
-RUN apk add --no-cache openssh-client ca-certificates tini 'git>=2.12.0' socat curl bash
+RUN apk add --no-cache openssh-client ca-certificates tar tini 'git>=2.12.0' socat curl bash
 
 COPY --from=builder /usr/local/bin/kustomize /usr/local/bin/
 COPY --from=builder /usr/local/bin/kubectl /usr/local/bin/

controllers/kustomization_controller.go

@@ -270,7 +270,7 @@ func (r *KustomizationReconciler) download(kustomization kustomizev1.Kustomizati
 	ctx, cancel := context.WithTimeout(context.Background(), timeout)
 	defer cancel()
 
-	cmd := fmt.Sprintf("cd %s && curl -sL %s | tar -xz --strip-components=1 -C .",
+	cmd := fmt.Sprintf("cd %s && curl -sL %s -o artifact.tar.gz && tar -xzf artifact.tar.gz --strip-components=1 -C .",
 		tmpDir, url)
 	command := exec.CommandContext(ctx, "/bin/sh", "-c", cmd)
 	output, err := command.CombinedOutput()