Merge branch 'feature/2-build-script' into 'master'

Create build script for building container image

This MR adds a build script for building container image.

Close #2.

See merge request pmpl/sonar-scanner-cli-image!2

.devcontainer/Dockerfile

@@ -41,4 +41,4 @@ RUN wget -O /usr/local/bin/hadolint https://github.com/hadolint/hadolint/release
     && chmod +x /usr/local/bin/hadolint
 
 # Switch back to dialog for any ad-hoc use of apt-get
-ENV DEBIAN_FRONTEND=
+ENV DEBIAN_FRONTEND=''

Dockerfile

@@ -38,16 +38,31 @@ WORKDIR /home/sonar
 ENTRYPOINT ["/bin/bash"]
 
 # Container image metadata
-## Note to editors: metadata values for `created`, `version`, `revision`, and
-## `ref.name` keys must be provided during build process, i.e. `docker build`
-## invocation
-LABEL org.opencontainers.image.created=""
-LABEL org.opencontainers.image.authors="Daya Adianto <dayaadianto@cs.ui.ac.id>"
-LABEL org.opencontainers.image.source="https://gitlab.cs.ui.ac.id/pmpl/sonar-scanner-cli-image"
-LABEL org.opencontainers.image.version=""
-LABEL org.opencontainers.image.revision=""
-LABEL org.opencontainers.image.vendor="Faculty of Computer Science Universitas Indonesia"
-LABEL org.opencontainers.image.licenses="LGPL-3.0"
-LABEL org.opencontainers.image.ref.name=""
-LABEL org.opencontainers.image.title="Sonar Scanner CLI Image"
-LABEL org.opencontainers.image.description="Sonar Scanner CLI bundled in a container image"
+## Note to editors: metadata values for `created`, `version`, and `revision`
+## keys must be provided during build process, i.e. `docker build` invocation.
+## It is also possible to pass other metadata values via build arguments.
+ARG IMAGE_CREATED=""
+ARG IMAGE_SOURCE="https://gitlab.cs.ui.ac.id/pmpl/sonar-scanner-cli-image"
+ARG IMAGE_VERSION=""
+ARG IMAGE_REVISION=""
+ARG IMAGE_VENDOR="Faculty of Computer Science Universitas Indonesia"
+ARG IMAGE_TITLE="Sonar Scanner CLI Image"
+ARG IMAGE_DESCRIPTION="Sonar Scanner CLI bundled in a container image."
+LABEL org.opencontainers.image.created=${IMAGE_CREATED} \
+      org.opencontainers.image.authors="Daya Adianto <dayaadianto@cs.ui.ac.id>" \
+      org.opencontainers.image.source=${IMAGE_SOURCE} \
+      org.opencontainers.image.version=${IMAGE_VERSION} \
+      org.opencontainers.image.revision=${IMAGE_REVISION} \
+      org.opencontainers.image.vendor=${IMAGE_VENDOR} \
+      org.opencontainers.image.licenses="LGPL-3.0" \
+      org.opencontainers.image.title=${IMAGE_TITLE} \
+      org.opencontainers.image.description=${IMAGE_DESCRIPTION}
+
+## Note to editors: The following label assignments are to ensure backward
+## compatibility with Label Schema standard
+LABEL org.label-schema.build-date=${IMAGE_CREATED} \
+      org.label-schema.vcs-url=${IMAGE_SOURCE} \
+      org.label-schema.version=${IMAGE_VERSION} \
+      org.label-schema.vendor=${IMAGE_VENDOR} \
+      org.label-schema.title=${IMAGE_TITLE} \
+      org.label-schema.description=${IMAGE_DESCRIPTION}

build.sh

+#!/usr/bin/env bash
+
+# Exit immediately on any failure
+set -e
+set -o pipefail
+
+if ! [ -x "$(command -v docker)" ]; then
+    echo 'Error: docker is not installed.' >&2
+    exit 1
+fi
+
+if ! [ -x "$(command -v git)" ]; then
+    echo 'Error: git is not installed.' >&2
+    exit 1
+fi
+
+if ! [ -x "$(command -v awk)" ]; then
+    echo 'Error: awk is not installed.' >&2
+    exit 1
+fi
+
+if ! [ -n "$1" ]; then
+    echo "Error: missing 1st argument of $0, i.e. namespace of the container image." >&2
+    exit 1
+fi
+
+if ! [ -n "$2" ]; then
+    echo "Error: missing 2nd argument of $0, i.e. version of the container image." >&2
+    exit 1
+fi
+
+IMAGE_NAMESPACE="$1"
+IMAGE_VERSION="$2"
+
+docker build \
+    --build-arg=IMAGE_CREATED="$(date --utc --rfc-3339=seconds)" \
+    --build-arg=IMAGE_VERSION="${IMAGE_VERSION}" \
+    --build-arg=IMAGE_REVISION="$(git show --pretty=oneline | tac | tail -n 1 | awk '{print $1}')" \
+    --tag="${IMAGE_NAMESPACE}/sonar-scanner-cli:${IMAGE_VERSION}" \
+    .
+
+exit 0