# Copyright 2024 RustFS Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: RustFS Upgrade Test

on:
  workflow_dispatch:
    inputs:
      from_version:
        description: 'OLD RustFS release tag (must ship a .deb asset, e.g. 1.0.0-rc.3)'
        required: false
        default: '1.0.0-rc.3'
      from_url:
        description: 'OLD .deb URL. Overrides from_version.'
        required: false
        type: string
      to_version:
        description: 'NEW RustFS release tag (leave empty for latest nightly)'
        required: false
      to_url:
        description: 'NEW .deb URL. Overrides to_version / nightly default.'
        required: false
        type: string
      topology:
        description: 'Topology to run (all = SNSD, SNMD, MNMD)'
        type: choice
        options:
          - all
          - single-single
          - single-multi
          - multi-multi
        default: all
      backends:
        description: 'KMS backends to run (local,vault-kv2)'
        required: false
        default: 'local,vault-kv2'
      cleanup_before:
        description: 'Reset the nodes before the test (DESTROYS existing data/config)'
        type: boolean
        default: true
      cleanup_after:
        description: 'Reset the nodes after the test (DESTROYS test data/config)'
        type: boolean
        default: true
  repository_dispatch:
    # Functional-chain entry: dispatched by rustfs-functional-chain.yml.
    types: [rustfs-chain-upgrade]

permissions:
  contents: read

concurrency:
  group: rustfs-shared-functional-tests
  cancel-in-progress: false

defaults:
  run:
    shell: bash

env:
  RUSTFS_ACCESS_KEY: ${{ secrets.RUSTFS_ACCESS_KEY }}
  RUSTFS_SECRET_KEY: ${{ secrets.RUSTFS_SECRET_KEY }}
  RUSTFS_NODES: ${{ secrets.RUSTFS_NODES || vars.RUSTFS_NODES }}
  RUSTFS_SSH_USER: ${{ secrets.RUSTFS_SSH_USER || vars.RUSTFS_SSH_USER }}
  RUSTFS_NIGHTLY_PACKAGE_URL: ${{ vars.RUSTFS_NIGHTLY_PACKAGE_URL || 'https://dl.rustfs.com/artifacts/rustfs/packages/nightly/rustfs-nightly-latest.deb' }}
  PF_TESTING_GH_TOKEN: ${{ secrets.PF_TESTING_GH_TOKEN }}

jobs:
  upgrade-test:
    runs-on: smoke-testing
    continue-on-error: true
    timeout-minutes: 420
    if: ${{ github.event_name == 'workflow_dispatch' || github.event_name == 'repository_dispatch' }}
    steps:
      # auto-testing is private: clone it with the dedicated PF token (not
      # GITHUB_TOKEN) and retry transient GitHub/network failures.
      - name: Checkout auto-testing scripts (with retry)
        env:
          GH_TOKEN: ${{ secrets.PF_TESTING_GH_TOKEN }}
        run: |
          set -euo pipefail
          rm -rf auto-testing
          for attempt in 1 2 3 4 5; do
            if gh repo clone rustfs/auto-testing auto-testing -- --depth 1 --quiet; then
              echo "auto-testing cloned (attempt ${attempt})"
              exit 0
            fi
            rm -rf auto-testing
            echo "clone attempt ${attempt} failed; retrying in $((attempt * 15))s" >&2
            sleep $((attempt * 15))
          done
          echo "ERROR: unable to clone rustfs/auto-testing after 5 attempts" >&2
          exit 1

      - name: Show environment
        run: |
          uname -a
          jq --version
          openssl version
          aws --version || true
          docker --version || true
          df -h /data | tail -1

      - name: Cleanup environment (before)
        if: ${{ inputs.cleanup_before != 'false' || github.event_name != 'workflow_dispatch' }}
        run: |
          set -euo pipefail
          read -r -a NODES <<< "${RUSTFS_NODES:-vm000 vm001 vm002}"
          SSH_USER="${RUSTFS_SSH_USER:-azureuser}"
          for node in "${NODES[@]}"; do
            ssh -o BatchMode=yes -o ConnectTimeout=10 -o StrictHostKeyChecking=accept-new "${SSH_USER}@${node}" '
              set -euo pipefail
              SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo -n"
              ${SUDO} systemctl stop rustfs 2>/dev/null || true
              if ${SUDO} dpkg -l rustfs 2>/dev/null | grep -q "^ii"; then
                ${SUDO} dpkg -P rustfs
              fi
              for i in 1 2 3 4; do ${SUDO} rm -rf /data/rustfs${i}/mnmd; done
              ${SUDO} rm -rf /var/log/rustfs /var/lib/rustfs/kms /var/lib/rustfs/kms-backup
            '
          done

      - name: Ensure docker (Vault container)
        run: |
          if ! command -v docker >/dev/null 2>&1; then
            sudo apt-get update
            sudo apt-get install -y docker.io
          fi
          sudo systemctl enable --now docker
          docker info >/dev/null 2>&1 || sudo docker info >/dev/null 2>&1

      - name: Run upgrade compatibility suite
        id: test
        continue-on-error: true
        env:
          LOG_FILE: /tmp/rustfs-upgrade.log
        run: |
          set -euo pipefail
          chmod +x auto-testing/rustfs-upgrade-test.sh
          FROM_URL='${{ inputs.from_url }}'
          FROM_VERSION='${{ inputs.from_version }}'
          TO_URL='${{ inputs.to_url }}'
          TO_VERSION='${{ inputs.to_version }}'
          TOPOLOGY='${{ inputs.topology }}'
          BACKENDS='${{ inputs.backends }}'
          ARGS=(-y --log-file "${LOG_FILE}")
          if [ "${TOPOLOGY}" = "all" ] || [ -z "${TOPOLOGY}" ] || [ "${TOPOLOGY}" = "null" ]; then
            ARGS+=(--all-topologies)
          else
            ARGS+=(--topology "${TOPOLOGY}")
          fi
          if [ -n "${BACKENDS}" ] && [ "${BACKENDS}" != "null" ]; then
            ARGS+=(--backends "${BACKENDS}")
          fi
          if [ -n "${FROM_URL}" ]; then
            ARGS+=(--from-url "${FROM_URL}")
          elif [ -n "${FROM_VERSION}" ] && [ "${FROM_VERSION}" != "null" ]; then
            ARGS+=(--from-version "${FROM_VERSION}")
          fi
          if [ -n "${TO_URL}" ]; then
            ARGS+=(--to-url "${TO_URL}")
          elif [ -n "${TO_VERSION}" ] && [ "${TO_VERSION}" != "null" ]; then
            ARGS+=(--to-version "${TO_VERSION}")
          else
            ARGS+=(--to-url "${RUSTFS_NIGHTLY_PACKAGE_URL}")
          fi
          ./auto-testing/rustfs-upgrade-test.sh "${ARGS[@]}"

      - name: Generate report
        if: always()
        env:
          LOG_FILE: /tmp/rustfs-upgrade.log
          REPORT_FILE: /tmp/rustfs-upgrade-report.md
        run: |
          set -euo pipefail
          FROM_URL='${{ inputs.from_url }}'
          FROM_VERSION='${{ inputs.from_version }}'
          TO_URL='${{ inputs.to_url }}'
          TO_VERSION='${{ inputs.to_version }}'
          if [ -n "${FROM_URL}" ]; then
            FROM_SOURCE="${FROM_URL}"
          elif [ -n "${FROM_VERSION}" ]; then
            FROM_SOURCE="version ${FROM_VERSION}"
          else
            FROM_SOURCE="release (default)"
          fi
          if [ -n "${TO_URL}" ]; then
            TO_SOURCE="${TO_URL}"
          elif [ -n "${TO_VERSION}" ]; then
            TO_SOURCE="version ${TO_VERSION}"
          else
            TO_SOURCE="${RUSTFS_NIGHTLY_PACKAGE_URL}"
          fi
          CASE_TABLE="/tmp/rustfs-upgrade-cases.md"
          MATRIX_TABLE="/tmp/rustfs-upgrade-matrix.md"
          python3 - "${LOG_FILE}" "${CASE_TABLE}" "${MATRIX_TABLE}" <<'PY'
          import re
          import sys

          log_file, out_file, matrix_file = sys.argv[1], sys.argv[2], sys.argv[3]
          ansi = re.compile(r'\x1b\[[0-9;]*m')
          start_re = re.compile(r'^---\s+([A-Z]+-[0-9]+)\s+(.+?)\s+---$')
          done_re = re.compile(r'^\[(PASS|FAIL|UNSUPPORTED)\]\s+([A-Z]+-[0-9]+)\b')
          topo_re = re.compile(
              r'^\[UPG-TOPO\]\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+PASS=(\d+)\s+FAIL=(\d+)\s*$')

          rows = []
          index = {}
          topo_rows = []
          try:
              with open(log_file, 'r', encoding='utf-8', errors='replace') as fh:
                  for raw in fh:
                      line = ansi.sub('', raw).strip()
                      m = topo_re.match(line)
                      if m:
                          topo_rows.append(m.groups())
                          continue
                      m = start_re.match(line)
                      if m:
                          case_id, name = m.group(1), m.group(2)
                          if case_id not in index:
                              index[case_id] = len(rows)
                              rows.append([case_id, name, 'RUNNING'])
                          continue
                      m = done_re.match(line)
                      if m:
                          status, case_id = m.group(1), m.group(2)
                          if case_id in index:
                              rows[index[case_id]][2] = status
                          else:
                              rows.append([case_id, case_id, status])
                              index[case_id] = len(rows) - 1
          except FileNotFoundError:
              rows = []

          counts = {'PASS': 0, 'FAIL': 0, 'UNSUPPORTED': 0, 'RUNNING': 0}
          for _, _, status in rows:
              counts[status] = counts.get(status, 0) + 1

          with open(out_file, 'w', encoding='utf-8') as out:
              out.write('## Case Summary\n\n')
              out.write(f"- Total: {len(rows)}\\n")
              out.write(f"- PASS: {counts.get('PASS', 0)}\\n")
              out.write(f"- FAIL: {counts.get('FAIL', 0)}\\n")
              out.write(f"- UNSUPPORTED: {counts.get('UNSUPPORTED', 0)}\\n")
              out.write('\\n')
              out.write('| Case | Name | Status |\\n')
              out.write('| --- | --- | --- |\\n')
              for case_id, name, status in rows:
                  out.write(f'| {case_id} | {name} | {status} |\\n')

          # Upgrade matrix: one row per topology/backend with the versions
          # captured on the nodes (rustfs --version) and the aggregated
          # result. The dashboard renders this table directly.
          with open(matrix_file, 'w', encoding='utf-8') as out:
              out.write('## Upgrade Matrix\n\n')
              out.write('| Topology | KMS Backend | From Version | To Version | Result |\n')
              out.write('| --- | --- | --- | --- | --- |\n')
              for topo, backend, old_v, new_v, npass, nfail in topo_rows:
                  result = 'PASS' if nfail == '0' else 'FAIL'
                  out.write(f'| {topo} | {backend} | {old_v} | {new_v} | {result} (PASS={npass} FAIL={nfail}) |\n')
              if not topo_rows:
                  out.write('| - | - | - | - | NOT RUN (suite failed before upgrade) |\n')
          PY
          {
            echo "# RustFS upgrade compatibility report"
            echo ""
            echo "- Run: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
            echo "- Trigger: ${{ github.event_name }}"
            echo "- From: ${FROM_SOURCE}"
            echo "- To: ${TO_SOURCE}"
            echo "- Test Step Outcome: ${{ steps.test.outcome }}"
            echo ""
            cat "${MATRIX_TABLE}" || true
            echo ""
            cat "${CASE_TABLE}" || true
            echo ""
            echo "## Log tail"
            echo '```text'
            tail -n 200 "${LOG_FILE}" || true
            echo '```'
          } | tee "${REPORT_FILE}"
          cat "${REPORT_FILE}" >> "${GITHUB_STEP_SUMMARY}"

      - name: Upload functional report to dashboard
        if: always()
        continue-on-error: true
        env:
          GH_TOKEN: ${{ env.PF_TESTING_GH_TOKEN }}
          REPORT_FILE: /tmp/rustfs-upgrade-report.md
          SUITE: upgrade
        run: |
          set -euo pipefail
          if [ -z "${GH_TOKEN:-}" ]; then
            echo "PF_TESTING_GH_TOKEN is not configured; skipping dashboard upload"
            exit 0
          fi
          DATE="$(date -u +%Y-%m-%d)"
          REPORT_PATH="functional-reports/${SUITE}/${DATE}.md"
          CONTENT="$(python3 -c 'import base64,sys;print(base64.b64encode(open(sys.argv[1],"rb").read()).decode())' "${REPORT_FILE}")"
          SHA="$(gh api "repos/rustfs/dashboard/contents/${REPORT_PATH}" -q '.sha' 2>/dev/null || true)"
          if [ -n "${SHA}" ]; then
            jq -n --arg msg "report(${SUITE}): ${DATE}" --arg content "${CONTENT}" --arg sha "${SHA}" \
              '{message:$msg, content:$content, sha:$sha}' \
              | gh api --method PUT "repos/rustfs/dashboard/contents/${REPORT_PATH}" --input - >/dev/null
          else
            jq -n --arg msg "report(${SUITE}): ${DATE}" --arg content "${CONTENT}" \
              '{message:$msg, content:$content}' \
              | gh api --method PUT "repos/rustfs/dashboard/contents/${REPORT_PATH}" --input - >/dev/null
          fi

      - name: File failure issue in rustfs/backlog
        if: ${{ always() && (failure() || steps.test.outcome == 'failure' || steps.test.outcome == 'cancelled') }}
        continue-on-error: true
        env:
          GH_TOKEN: ${{ secrets.PF_TESTING_GH_TOKEN }}
          SUITE: 'upgrade'
          SUITE_LABEL: 'Upgrade compatibility'
          RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
          REPORT_FILE: '/tmp/rustfs-upgrade-report.md'
          LOG_FILE: '/tmp/rustfs-upgrade.log'
        run: |
          set -euo pipefail
          if [ -z "${GH_TOKEN:-}" ]; then
            echo "PF_TESTING_GH_TOKEN is not configured; skipping backlog issue"
            exit 0
          fi
          TITLE="[functional][${SUITE}] ${SUITE_LABEL} suite failed (run ${GITHUB_RUN_ID})"
          EXISTING="$(gh issue list -R rustfs/backlog --state all \
            --search "in:title \"run ${GITHUB_RUN_ID}\"" \
            --json number --jq '.[].number' || true)"
          if [ -n "${EXISTING}" ]; then
            echo "backlog issue already exists for run ${GITHUB_RUN_ID}; skipping"
            exit 0
          fi
          redact() {
            sed -E \
              -e 's/(RUSTFS_(ACCESS_KEY|SECRET_KEY)[=: ]+)[^[:space:]]+/\1[REDACTED]/Ig' \
              -e 's/(Authorization:).*/\1 [REDACTED]/Ig' \
              -e 's/(X-Amz-Signature=)[^&[:space:]]+/\1[REDACTED]/Ig' \
              -e 's/^.*(password|secret|token)[=: ].*/[REDACTED SENSITIVE LINE]/Ig'
          }
          BODY_FILE="$(mktemp)"
          {
            echo "The **${SUITE_LABEL}** functional suite failed."
            echo ""
            echo "- Suite: \`${SUITE}\`"
            echo "- Run: ${RUN_URL}"
            echo "- Trigger: ${GITHUB_EVENT_NAME}"
            echo "- Date: $(date -u +%Y-%m-%d)"
            echo ""
            echo "## Report (errors and symptoms)"
            echo ""
            if [ -s "${REPORT_FILE}" ]; then
              redact < "${REPORT_FILE}"
            elif [ -s "${LOG_FILE:-}" ]; then
              echo "(report file missing; log tail below)"
              echo ""
              tail -n 200 "${LOG_FILE}" | redact
            else
              echo "(no report or log file was produced)"
            fi
          } | head -c 55000 > "${BODY_FILE}"
          gh label create functional-test -R rustfs/backlog --color d73a4a 2>/dev/null || true
          if ! gh issue create -R rustfs/backlog --title "${TITLE}" \
              --body-file "${BODY_FILE}" --label functional-test; then
            gh issue create -R rustfs/backlog --title "${TITLE}" --body-file "${BODY_FILE}"
          fi
          echo "filed backlog issue for suite ${SUITE}"

      - name: Upload report and logs
        if: always()
        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
        with:
          name: rustfs-upgrade-test-${{ github.run_id }}
          path: |
            /tmp/rustfs-upgrade-report.md
            /tmp/rustfs-upgrade.*/*
          if-no-files-found: ignore
          retention-days: 3

      - name: Cleanup environment (after)
        if: ${{ always() && (inputs.cleanup_after != 'false' || github.event_name != 'workflow_dispatch') }}
        run: |
          set -euo pipefail
          read -r -a NODES <<< "${RUSTFS_NODES:-vm000 vm001 vm002}"
          SSH_USER="${RUSTFS_SSH_USER:-azureuser}"
          for node in "${NODES[@]}"; do
            ssh -o BatchMode=yes -o ConnectTimeout=10 -o StrictHostKeyChecking=accept-new "${SSH_USER}@${node}" '
              set -euo pipefail
              SUDO=""; [ "$(id -u)" -ne 0 ] && SUDO="sudo -n"
              ${SUDO} systemctl stop rustfs 2>/dev/null || true
              if ${SUDO} dpkg -l rustfs 2>/dev/null | grep -q "^ii"; then
                ${SUDO} dpkg -P rustfs
              fi
              for i in 1 2 3 4; do ${SUDO} rm -rf /data/rustfs${i}/mnmd; done
              ${SUDO} rm -rf /var/log/rustfs /var/lib/rustfs/kms /var/lib/rustfs/kms-backup
            '
          done

      - name: "Continue functional chain (next: S3 compatibility)"
        # Only chain-triggered runs forward to the next suite; standalone
        # workflow_dispatch runs stop after their own cleanup. A failed
        # handoff must never pass silently: it retries, then files an alert
        # issue in rustfs/backlog so a stalled chain is visible.
        if: ${{ always() && github.event_name == 'repository_dispatch' }}
        continue-on-error: true
        env:
          GH_TOKEN: ${{ secrets.PF_TESTING_GH_TOKEN }}
        run: |
          set -uo pipefail
          if [ -z "${GH_TOKEN:-}" ]; then
            echo "PF_TESTING_GH_TOKEN is not configured; cannot dispatch the next suite" >&2
            exit 1
          fi
          DISPATCHED=0
          for attempt in 1 2 3; do
            if gh api --method POST repos/rustfs/rustfs/dispatches \
              -f event_type='rustfs-chain-s3' \
              -F 'client_payload[from_suite]=upgrade'; then
              echo "dispatched next suite S3 compatibility (attempt ${attempt})"
              DISPATCHED=1
              break
            fi
            echo "dispatch attempt ${attempt} failed; retrying in ${attempt}0s" >&2
            sleep "${attempt}0"
          done
          if [ "${DISPATCHED:-0}" -ne 1 ]; then
            echo "ERROR: functional chain stalled: could not dispatch S3 compatibility after 3 attempts" >&2
            TITLE="[functional][chain] stalled after upgrade (run ${GITHUB_RUN_ID})"
            BODY_FILE="$(mktemp)"
            {
              echo "The functional chain could not hand off from **upgrade** to **S3 compatibility** after 3 attempts."
              echo ""
              echo "- Failed suite job: ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}"
              echo "- Expected next event: 'rustfs-chain-s3'"
              echo "- Likely cause: PF_TESTING_GH_TOKEN lacks contents:write on rustfs/rustfs, or the GitHub API was unavailable."
              echo "- Recovery: re-dispatch manually with"
              FENCE="$(printf "\x60\x60\x60")"; echo "  ${FENCE}"
              echo "  gh api --method POST repos/rustfs/rustfs/dispatches -f event_type='rustfs-chain-s3'"
              FENCE="$(printf "\x60\x60\x60")"; echo "  ${FENCE}"
            } > "${BODY_FILE}"
            gh issue create -R rustfs/backlog --title "${TITLE}" \
              --body-file "${BODY_FILE}" --label functional-test \
              || gh issue create -R rustfs/backlog --title "${TITLE}" --body-file "${BODY_FILE}" \
              || echo "could not file the stall alert issue either; check the token" >&2
            exit 1
          fi

      - name: Notify on failure
        if: failure()
        run: |
          echo "RustFS upgrade compatibility test failed"
          echo "From: ${{ inputs.from_url || inputs.from_version || 'release (default)' }}"
          echo "To: ${{ inputs.to_url || inputs.to_version || 'nightly (R2 latest)' }}"
          echo "See the uploaded report and logs for details."