tf-a-lts-automation.yaml

- job:
    name: tf-a-lts-automation
    node: build-amd64-private
    project-type: freestyle
    disabled: false
    defaults: global
    description: |
      Trusted Firmware A LTS automation, this job triggered by a new LTS branch created in the trusted-firmware-a repository.
      It helps to create corrosponding branch in the tf-a-test, hafnium, and tf-a-ci-scripts repositories, as well as set up a new download
      space for the new LTS branch.
    properties:
        - build-discarder:
            days-to-keep: 15
    parameters:
        - string:
            name: EMAIL_RECIPIENT
            default: |
              bipin.ravi@arm.com, vwadekar@nvidia.com, yann.gautier@st.com, palmer@google.com, govindraj.raja@arm.com, arthur.she@linaro.org
            description: |
              The notification recipients
    wrappers:
        - timestamps
        - timeout:
            timeout: 120
            fail: true
        - credentials-binding:
            - ssh-user-private-key:
                credential-id: TFA_CI_BOT_USER_SSH_KEY
                key-file-variable: CI_BOT_KEY
                username-variable: CI_BOT_USERNAME
                passphrase-variable: ''
    triggers:
        - gerrit:
            silent: true
            server-name: 'review.trustedfirmware.org'
            projects:
            - branches:
                - branch-compare-type: REG_EXP
                  branch-pattern: 'lts-v.*'
              project-compare-type: PLAIN
              project-pattern: 'TF-A/trusted-firmware-a'
            trigger-on:
            - ref-updated-event

    builders:
        - shell: |
            echo "***************************************"
            env | grep GERRIT
            echo "***************************************"
        - shell: |
            #!/bin/bash
            set -ex

            SSH_PARAMS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o PubkeyAcceptedKeyTypes=+ssh-rsa"
            export GIT_SSH_COMMAND="ssh -p 29418 -i $CI_BOT_KEY ${SSH_PARAMS}"
            gerrit_host="ssh://${CI_BOT_USERNAME}@${GERRIT_HOST}:29418"
            new_branch=${GERRIT_REFNAME}
            forked_tag=${new_branch##*-}

            _workdir=$(mktemp -d)
            rm -f email.txt || true
            trap '[ -d "${_workdir}" ] && rm -rf "${_workdir}"' EXIT
            git -C "${_workdir}" init > /dev/null 2>&1

            # Check if the job is triggered by a new LTS branch creation
            new_lts_branch=-1
            # Verify if the branch already exists in the Hafnium project.
            git -C "${_workdir}" ls-remote --exit-code ${gerrit_host}/hafnium/hafnium ${new_branch} || new_lts_branch=1
            # Check if the job is not triggered by delete branch
            git -C "${_workdir}" ls-remote --exit-code ${gerrit_host}/${GERRIT_PROJECT} ${new_branch} || new_lts_branch=-1
            if [ ${new_lts_branch} -eq -1 ]; then
                echo "No new LTS branch created! exit job"
            	exit 0
            fi

            # Create new LTS branch to related repositories
            repos="hafnium/hafnium TF-A/tf-a-tests ci/tf-a-ci-scripts ci/tf-a-job-configs"
            for r in ${repos};
            do
                echo "Create branch \"${new_branch}\" from tag \"${forked_tag}\" in the \"${r}\" project"
                git -C "${_workdir}" fetch ${gerrit_host}/${r} ${forked_tag}
                git -C "${_workdir}" push ${gerrit_host}/${r} FETCH_HEAD^{commit}:refs/heads/${new_branch}
            done

            # Create new download space
            echo "Create new download space for \"${new_branch}\""
            aws s3 sync s3://trustedfirmware-prod-storage/tf-a s3://trustedfirmware-prod-storage/tf-a-${new_branch}

            echo "CI Environment Setup for ${new_branch} branch Completed" > subject.txt
            cat << EOF >email.txt
            Hello,
            The new LTS branch "${new_branch}" has been created in the following repositoris
            ${repos}

            And the new download space is ready on ${DOWNLOAD_SERVER_URL}/tf-a-${new_branch}

            Please check the job log for the details
            ${BUILD_URL}console

            EOF

            echo "--------- email body ----------"
            cat email.txt

    publishers:
      - conditional-publisher:
          - condition-kind: file-exists
            on-evaluation-failure: dont-run
            condition-filename: email.txt
            condition-basedir: workspace
            action:
              - email-ext:
                  always: true
                  recipients: ${EMAIL_RECIPIENT}
                  subject: '${FILE,path="subject.txt"}'
                  body: '${FILE,path="email.txt"}'