The pipeline is organized into ten stages, each with specific jobs:
hadolint.README_template.md.docker-hub-build-arm).docker-hub-test-arm).docker-hub-pushtag-arm).chatgpt_analysis)
and updates the Docker Hub repository description with latest README
(updatedockerhub_readme).Below are detailed breakdowns of what each job does in the pipeline.
Quality Stage:
hadolint:
image: hadolint/hadolint:latest-debian
stage: Quality
before_script:
- cd $CI_PROJECT_DIR
script:
- hadolint --ignore DL3008 Dockerfile This job checked the Dockerfile for common style errors and best
practices using hadolint. It ignores error
DL3008, which will advise against -y in
apt-get commands.
Get-version Stage:
getsquid_vars:
stage: Get-version
image:
name: $CONTAINER_CLIENT_IMAGE
artifacts:
expire_in: 1 hour
paths:
- variables.env
script:
- apt update && apt install git curl ca-certificates -y --no-upgrade --no-install-recommends --no-install-suggests
- export SQUID_VERSION=$(curl -LsXGET https://github.com/squid-cache/squid/releases/latest | grep -m 1 "Release" | cut -d " " -f4 |tr -d 'v')
- echo "SQUID_VERSION=$SQUID_VERSION" > variables.env
- echo $SQUID_VERSION
- sed -i "s/{{SQUID_VERSION}}/$SQUID_VERSION/g" README_template.md
- sed -i "s/{{DATE}}/$(date +%Y%m%d)/g" README_template.md
- cp README_template.md README.md
- git config user.email "fredbcode"
- git config user.name "fredbcode"
- git add README.md
- git commit -m "README Auto update [skip ci]" || true
- git push https://$GITLAB_TOKEN@gitlab.com/fredbcode-images/squid.git HEAD:master || trueThis job extracts the latest version of Squid from GitHub, saves this
information in variables.env and also uses that to update
the README.md file by replacing the placeholders in
README_template.md. It commits and pushes the changes to
the GitLab repository.
Each of the Docker-hub-build, Docker-hub-test, and Docker-hub-pushtag jobs:
docker-hub-build,
docker-hub-test, and push-docker-hub.docker-hub-build-arm,
docker-hub-test-arm, and
push-docker-hub-arm.performs the following steps:
Dockerfile
given arg of the Squid version.curl and tests the Squid
proxy functionality.Docs Stage:
chatgpt_analysis:
stage: Docs
image:
name: $CONTAINER_CLIENT_IMAGE
artifacts:
expire_in: 1 month
paths:
- $CI_PROJECT_DIR/chatgpt_analysis*
needs:
- getsquid_vars
- docker-hub-test
- docker-hub-test-arm
before_script:
- apt update && apt install curl git jq ca-certificates pandoc openssh-client -y --no-upgrade --no-install-recommends --no-install-suggests
- source variables.env
- SQUID_VERSION=squid-$SQUID_VERSION
script:
- JOBS_CONTENT=$(cat .gitlab-ci.yml gitlabci/*)
- LAST_COMMIT=$(git log -1 --pretty=format:"%h %s%n%b")
- CONTENT="Please provide an in-depth explanation of the following GitLab CI/CD jobs with the following details ..."
- JSON_CONTENT=$(jq -n --arg model "gpt-4" --arg content "$CONTENT" '{model:$model, messages:[{role:"user", content:$content}] }')
- RESPONSE=$(curl -X POST https://api.openai.com/v1/chat/completions -H "Authorization:Bearer $CHATGPT_API_KEY" -H "Content-Type:application/json" -d "$JSON_CONTENT")
- ANSWER=$(echo $RESPONSE | jq 'del(.choices[0].message.content)')
- RESPONSE=$(echo $RESPONSE | jq -r '.choices[0].message.content')
- echo "$ANSWER"
- echo -e "$RESPONSE" > chatgpt_analysis_$(date +%Y%m%d).md
... #omitted for brevityThis job creates an in-depth explanation of the GitLab CI/CD jobs. It retrieves the jobs in the .gitlab-ci.yml file content, creates a composed content with task instructions, uses GPT-3 API to generate text, writes this into a markdown file, parses to html, and uploads to a remote directory using scp.
update_dockerhub_readme:
image:
name: $CONTAINER_CLIENT_IMAGE
stage: Docs
artifacts:
needs:
- getsquid_vars
before_script:
- apt update && apt install -y curl jq ca-certificates --no-upgrade --no-install-recommends --no-install-suggests
script:
- README_CONTENT=$(cat README.md)
- PAYLOAD=$(jq -n --arg desc "$README_CONTENT" '{"full_description":$desc}')
- echo "Payload JSON:$PAYLOAD"
- TOKEN=$(curl -v -s -X POST -H "Content-Type:application/json" -d '{"username":"'"$DOCKER_HUB_USER"'","password":"'"$DOCKER_HUB_PASSWORD"'"}' https://hub.docker.com/v2/users/login/ | jq -r .token)
- curl -X PATCH -H "Authorization:JWT $TOKEN" -H "Content-Type:application/json" -d "$PAYLOAD" https://hub.docker.com/v2/repositories/$HUB_REGISTRY_IMAGE
only:
- masterThis job updates the description of the Docker Hub repository using the README file.
The pipeline uses a variety of environment variables. These include
GIT_CLONE_PATH, GIT_STRATEGY,
CONTAINER_CLIENT_IMAGE,
CONTAINER_BUILD_NOPROD_NAME_ARM,
DOCKER_HUB_USER, and DOCKER_HUB_TOKEN, among
others. These are either declared and used in the jobs or injected via
GitLab CI/CD settings.
The pipeline references files like README.md,
variables.env, Dockerfile. It also makes use
of template files stored in the GitLab directory.
For each of the ARM and AMD64 architectures, the subsequent stages
depend on the build stage’s outcome (Docker-hub-build).
After successful builds, the images are tested
(Docker-hub-test) and then tagged and pushed to Docker Hub
(Docker-hub-pushtag).
The chatgpt_analysis job needs
getsquid_vars, showing that the ChatGPT analysis requires
the Squid version details in its processing. The
update_dockerhub_readme also depends on
getsquid_vars, indicating that the README.md file content,
which contains updated Squid version information, is required for this
job.
On successful execution of jobs, the following results can be expected:
The final artifact for the pipeline is the URL for the Docker images on Docker Hub.