diff --git a/README.md b/README.md index 30c4d8464..8fd6b54e5 100644 --- a/README.md +++ b/README.md @@ -201,9 +201,13 @@ spec: ``` ### Debug Image -We provide `gcr.io/kaniko-project/executor:debug` as a a version of the executor image based off a Debian image. -This provides a shell and can be useful for debugging. +The kaniko executor image is based off of scratch and doesn't contain a shell. +We provide `gcr.io/kaniko-project/executor:debug`, a debug image which consists of the kaniko executor image along with a busybox shell to enter. +You can launch the debug image with a shell entrypoint: +```shell +docker run -it --entrypoint=/busybox/sh gcr.io/kaniko-project/executor:debug +``` ## Security kaniko by itself **does not** make it safe to run untrusted builds inside your cluster, or anywhere else. diff --git a/deploy/Dockerfile_debug b/deploy/Dockerfile_debug index 29ecbeef9..688eb76a2 100644 --- a/deploy/Dockerfile_debug +++ b/deploy/Dockerfile_debug @@ -12,14 +12,37 @@ # See the License for the specific language governing permissions and # limitations under the License. -# Builds the executor from debian +# Builds the static Go image to execute in a Kubernetes job -FROM gcr.io/google-appengine/debian9:latest -COPY out/executor /kaniko/executor +# Stage 0: Build the executor binary and get credential helpers +FROM golang:1.10 +WORKDIR /go/src/github.com/GoogleContainerTools/kaniko +COPY . . +RUN make +# Get GCR credential helper +ADD https://github.com/GoogleCloudPlatform/docker-credential-gcr/releases/download/v1.4.3-static/docker-credential-gcr_linux_amd64-1.4.3.tar.gz /usr/local/bin/ +RUN tar -C /usr/local/bin/ -xvzf /usr/local/bin/docker-credential-gcr_linux_amd64-1.4.3.tar.gz +# Get Amazon ECR credential helper +RUN go get -u github.com/awslabs/amazon-ecr-credential-helper/ecr-login/cli/docker-credential-ecr-login +RUN make -C /go/src/github.com/awslabs/amazon-ecr-credential-helper linux-amd64 + +# Stage 1: Get the busybox shell +FROM gcr.io/cloud-builders/bazel:latest +RUN git clone https://github.com/GoogleContainerTools/distroless.git +WORKDIR /distroless +RUN bazel build busybox:busybox.tar +RUN tar -C /distroless/bazel-genfiles/busybox/ -xf /distroless/bazel-genfiles/busybox/busybox.tar + +FROM scratch +COPY --from=0 /go/src/github.com/GoogleContainerTools/kaniko/out/executor /kaniko/executor +COPY --from=0 /usr/local/bin/docker-credential-gcr /usr/local/bin/docker-credential-gcr +COPY --from=0 /go/src/github.com/awslabs/amazon-ecr-credential-helper/bin/linux-amd64/docker-credential-ecr-login /usr/local/bin/docker-credential-ecr-login +COPY --from=1 /distroless/bazel-genfiles/busybox/busybox/ /busybox/ COPY files/ca-certificates.crt /kaniko/ssl/certs/ -COPY files/docker-credential-gcr /usr/local/bin/ COPY files/config.json /root/.docker/ RUN ["docker-credential-gcr", "config", "--token-source=env"] ENV HOME /root +ENV USER /root +ENV PATH /usr/local/bin ENV SSL_CERT_DIR=/kaniko/ssl/certs ENTRYPOINT ["/kaniko/executor"] diff --git a/deploy/executor-release.yaml b/deploy/executor-release.yaml index b2a2d2e69..5f20877c6 100644 --- a/deploy/executor-release.yaml +++ b/deploy/executor-release.yaml @@ -3,4 +3,9 @@ steps: - name: "gcr.io/cloud-builders/docker" args: ["build", "-f", "deploy/Dockerfile", "-t", "gcr.io/kaniko-project/executor:${COMMIT_SHA}", "."] -images: ["gcr.io/kaniko-project/executor:${COMMIT_SHA}"] + # Then, we want to build kaniko:debug + - name: "gcr.io/cloud-builders/docker" + args: ["build", "-f", "deploy/Dockerfile_debug", + "-t", "gcr.io/kaniko-project/executor:debug-${COMMIT_SHA}", "."] +images: ["gcr.io/kaniko-project/executor:${COMMIT_SHA}", + "gcr.io/kaniko-project/executor:debug-${COMMIT_SHA}"]