JirabotMerge.yml

name: Jirabot - Merge

on:
  pull_request:
    types: [closed]
    branches:
      - "master"
      - "candidate-*"

permissions: write-all

jobs:
  jirabot:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true
    steps:
      - uses: "actions/setup-python@v2"
        with:
          python-version: "3.8"
      - name: "Install dependencies"
        run: |
          set -xe
          python -VV
          python -m site
          python -m pip install --upgrade pip setuptools wheel
          python -m pip install --upgrade jira
      - name: "Run"
        env:
          JIRABOT_USERNAME : ${{ secrets.JIRABOT_USERNAME }}
          JIRABOT_PASSWORD : ${{ secrets.JIRABOT_PASSWORD }}
          JIRA_URL : ${{ vars.JIRA_URL }}
          PULL_REQUEST_NUMBER : ${{ github.event.pull_request.number }}
          PULL_REQUEST_TITLE : ${{ github.event.pull_request.title }}
          PULL_REQUEST_AUTHOR_NAME : ${{ github.event.pull_request.user.login }}
          PULL_URL: ${{ github.event.pull_request.html_url }}
          COMMENTS_URL: ${{ github.event.pull_request.comments_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          BRANCH_NAME: ${{ github.ref_name }}

        run: |
            import os
            import re
            import subprocess
            import time
            import sys
            from jira.client import JIRA

            def extractVersion(versionStr):
                parts = versionStr.split('.')
                if len(parts) != 3:
                    print('Invalid version: ' + version)
                    sys.exit(1)
                if parts[2].lower() == 'x':
                    parts[2] = '0'

                major, minor, point = map(int, parts)
                return [major, minor, point]

            def getTagVersionForCmd(cmd):
                versionPattern = re.compile(r".*([0-9]+\.[0-9]+\.[0-9]+).*")

                # Get latest release version
                gitTagProcess = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True)
                (output, err) = gitTagProcess.communicate()
                gitTagProcessStatus = gitTagProcess.wait()

                if gitTagProcessStatus != 0:
                    print('Unable to retrieve latest git tag.')
                    sys.exit(1)

                latestGitTag = str(output)

                versionMatch = versionPattern.match(latestGitTag)
                if versionMatch:
                    return extractVersion(versionMatch.group(1))
                else:
                    print('Unable to extract version from git tag.')
                    sys.exit(2)

            def buildVersionString(version):
                major, minor, point = map(int, version)
                return f"{major}.{minor}.{point}"

            def generateFixVersionList(jira, branchName):

                latestVersion = getTagVersionForCmd("git tag --list 'hpcc4j_*-release' --sort=-v:refname | head -n 1")

                # If we are merging into master we assume it is going into the next minor release
                fixVersions = []
                if branchName == "master":
                    fixVersions = [buildVersionString([latestVersion[0], latestVersion[1] + 2, 0])]
                else:
                    # Extract candidate branch major / minor version
                    candidateBranchPattern = re.compile(r"candidate-([0-9]+\.[0-9]+\.([0-9]+|x)).*")
                    branchVersionMatch = candidateBranchPattern.match(branchName)
                    branchVersion = extractVersion(branchVersionMatch.group(1))

                    # Get latest release in branch
                    findLatestBranchVer = "git tag --list 'hpcc4j_" + str(branchVersion[0]) + "." + str(branchVersion[1]) + "*-release' --sort=-v:refname | head -n 1"
                    latestBranchVer = getTagVersionForCmd(findLatestBranchVer)

                    curMajor = branchVersion[0]
                    latestMajor = latestVersion[0]
                    while curMajor <= latestMajor:
                        latestVersionInMajor = getTagVersionForCmd("git tag --list 'hpcc4j_" + str(curMajor) + "*-release' --sort=-v:refname | head -n 1")

                        curMinor = 0
                        if curMajor == branchVersion[0]:
                            curMinor = branchVersion[1]

                        latestMinor = latestVersionInMajor[1]

                        while curMinor <= latestMinor:
                            latestPointInMinor = getTagVersionForCmd("git tag --list 'hpcc4j_" + str(curMajor) + "." + str(curMinor) + "*-release' --sort=-v:refname | head -n 1")
                            fixVersions.append(buildVersionString([latestPointInMinor[0], latestPointInMinor[1], latestPointInMinor[2] + 2]))
                            curMinor += 2
                        curMajor += 1

                for fixVersion in fixVersions:
                    alreadyHasFixVersion = False
                    versions = jira.project_versions('JAPI')
                    for v in versions:
                        if v.name == fixVersion:
                            alreadyHasFixVersion = True

                    if not alreadyHasFixVersion:
                        jira.create_version(name=fixVersion, project='JAPI', description=fixVersion)

                return fixVersions

            def resolveIssue(jira, issue, fixVersions) -> str:
                result = ''

                versionsToAdd = []

                for addedVersion in fixVersions:
                    alreadyHasFixVersion = False
                    for v in issue.fields.fixVersions:
                        if v.name == addedVersion:
                            alreadyHasFixVersion = True
                            break
                    if not alreadyHasFixVersion:
                        versionsToAdd.append(addedVersion)

                versions = jira.project_versions('JAPI')
                updatedVersionList = []
                for v in issue.fields.fixVersions:
                    updatedVersionList.append({'id' : v.id})

                for fixVersionName in versionsToAdd:
                    fixVersion = None
                    for v in versions:
                        if v.name == fixVersionName:
                            fixVersion = v
                            break

                    if fixVersion:
                        updatedVersionList.append({'id' : fixVersion.id})
                        result += "Added fix version: " + fixVersionName + "\n"
                    else:
                        result += "Error: Unable to find fix version: " + fixVersionName + "\n"

                if len(versionsToAdd) > 0:
                    issue.update(fields={'fixVersions': updatedVersionList})
                else:
                    result += "Fix versions already added.\n"

                statusName = str(issue.fields.status)
                if statusName != 'Resolved':
                    transition = 'Resolve Issue'
                    jira.transition_issue(issue, transition)
                    result += "Workflow Transition: 'Resolve issue'\n"

                return result

            jirabot_user = os.environ['JIRABOT_USERNAME']
            jirabot_pass = os.environ['JIRABOT_PASSWORD']
            jira_url = os.environ['JIRA_URL']
            pr = os.environ['PULL_REQUEST_NUMBER']
            title = os.environ['PULL_REQUEST_TITLE']
            user = os.environ['PULL_REQUEST_AUTHOR_NAME']
            pull_url = os.environ['PULL_URL']
            github_token = os.environ['GITHUB_TOKEN']
            branch_name = os.environ['BRANCH_NAME']
            comments_url = os.environ['COMMENTS_URL']

            print("%s %s %s" % (title, user, comments_url))
            result = ''
            issuem = re.search("(HPCC4J|JAPI)-[0-9]+", title)
            if issuem:
                nameCorrectionPattern = re.compile("hpcc4j", re.IGNORECASE)
                issue_name = nameCorrectionPattern.sub("JAPI",issuem.group())

                options = {
                    'server': jira_url
                }

                jira = JIRA(options=options, basic_auth=(jirabot_user, jirabot_pass))
                issue = jira.issue(issue_name)
                if issue is None:
                    print('Unable to find issue with name: ' + issue_name)
                    sys.exit(1)

                result = 'Jirabot Action Result:\n'

                fixVersions = generateFixVersionList(jira, branch_name)
                result += resolveIssue(jira, issue, fixVersions)
                jira.add_comment(issue, result)
            else:
                print('Unable to find Jira issue name in title')

            print(result)
        shell: python