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[bitnami/kube-prometheus] Enable PodDisruptionBudgets (part 2) #34256

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[bitnami/kube-prometheus] Enable PodDisruptionBudgets (part 2)

[bitnami/kube-prometheus] Enable PodDisruptionBudgets (part 2) #34256

Workflow file for this run

.github/workflows/ci-pipeline.yml at 0f04216
# Copyright Broadcom, Inc. All Rights Reserved.
# SPDX-License-Identifier: APACHE-2.0
name: '[CI/CD] CI Pipeline'
on: # rebuild any PRs and main branch changes
pull_request_target:
types:
- opened
- reopened
- synchronize
- labeled
branches:
- main
- bitnami:main
# Remove all permissions by default
permissions: {}
# Avoid concurrency over the same PR
concurrency:
group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
jobs:
get-chart:
runs-on: ubuntu-latest
name: Get modified charts
permissions:
pull-requests: read
outputs:
chart: ${{ steps.get-chart.outputs.chart }}
result: ${{ steps.get-chart.outputs.result }}
values-updated: ${{ steps.get-chart.outputs.values-updated }}
steps:
- id: get-chart
name: Get modified charts
env:
PULL_REQUEST_NUMBER: "${{ github.event.pull_request.number }}"
PULL_REQUEST_URL: "${{ github.event.pull_request.url }}"
GITHUB_TOKEN: "${{ github.token }}"
run: |
# Using the Github API to detect the files changed as git merge-base stops working when the branch is behind
files_changed_data="$(gh api --paginate /repos/${GITHUB_REPOSITORY}/pulls/${PULL_REQUEST_NUMBER}/files)"
files_changed="$(echo "$files_changed_data" | jq -r '.[] | .filename')"
# Adding || true to avoid "Process exited with code 1" errors
charts_dirs_changed="$(echo "$files_changed" | xargs dirname | grep -o "bitnami/[^/]*" | sort | uniq || true)"
# Using grep -c as a better alternative to wc -l when dealing with empty strings."
num_charts_changed="$(echo "$charts_dirs_changed" | grep -c "bitnami" || true)"
num_version_bumps="$(echo "$files_changed_data" | jq -r '[.[] | select(.filename|endswith("Chart.yaml")) | select(.patch|contains("+version")) ] | length' )"
non_readme_files=$(echo "$files_changed" | grep -vc "\.md" || true)
if [[ $(curl -Lks "${PULL_REQUEST_URL}" | jq '.state | index("closed")') != *null* ]]; then
# The PR for which this workflow run was launched is now closed -> SKIP
echo "error=The PR for which this workflow run was launched is now closed. The tests will be skipped." >> $GITHUB_OUTPUT
echo "result=skip" >> $GITHUB_OUTPUT
elif [[ "$non_readme_files" -le "0" ]]; then
# The only changes are .md files -> SKIP
echo "result=skip" >> $GITHUB_OUTPUT
elif [[ "$num_charts_changed" -ne "$num_version_bumps" ]]; then
# Changes done in charts but version not bumped -> ERROR
echo "error=Detected changes in charts without version bump in Chart.yaml. Charts changed: ${num_charts_changed}. Version bumps detected: ${num_version_bumps}" >> $GITHUB_OUTPUT
echo "result=fail" >> $GITHUB_OUTPUT
elif [[ "$num_charts_changed" -eq "1" ]]; then
# Changes done in only one chart -> OK
echo "result=ok" >> $GITHUB_OUTPUT
# Extra output: chart name
chart_name=$(echo "$charts_dirs_changed" | sed "s|bitnami/||g")
echo "chart=${chart_name}" >> $GITHUB_OUTPUT
# Extra output: values-updated
if [[ ${files_changed[@]} =~ "bitnami/${chart_name}/values.yaml" ]]; then
echo "values-updated=true" >> $GITHUB_OUTPUT
fi
elif [[ "$num_charts_changed" -le "0" ]]; then
# Changes done in the bitnami/ folder but not inside a chart subfolder -> SKIP
echo "error=No changes detected in charts. The rest of the tests will be skipped." >> $GITHUB_OUTPUT
echo "result=skip" >> $GITHUB_OUTPUT
else
# Changes done in more than chart -> SKIP
echo "error=Changes detected in more than one chart directory. It is strongly advised to change only one chart in a PR. The rest of the tests will be skipped." >> $GITHUB_OUTPUT
echo "result=skip" >> $GITHUB_OUTPUT
fi
# Using actions/github-scripts because using exit 1 in the script above would not provide any output
# Source: https://github.community/t/no-output-on-process-completed-with-exit-code-1/123821/3
- id: show-error
name: Show error
if: ${{ steps.get-chart.outputs.result != 'ok' }}
uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea
with:
script: |
let message='${{ steps.get-chart.outputs.error }}';
if ('${{ steps.get-chart.outputs.result }}' === 'fail' ) {
core.setFailed(message);
} else {
core.warning(message);
}
update-pr:
runs-on: ubuntu-latest
needs: [get-chart]
name: Automatically update README, CRDs and CHANGELOG
permissions:
contents: write
outputs:
result: ${{ steps.update-pr.outputs.result }}
if: needs.get-chart.outputs.result == 'ok'
steps:
- name: Checkout bitnami/charts
uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
with:
ref: ${{github.event.pull_request.head.ref}}
repository: ${{github.event.pull_request.head.repo.full_name}}
token: ${{ secrets.BITNAMI_BOT_TOKEN }}
path: charts
- name: Clone upstream bitnami/charts repository
uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
with:
path: upstream-charts
- name: Setup git configuration
run: |
cd $GITHUB_WORKSPACE/charts
git config user.name "Bitnami Containers"
git config user.email "[email protected]"
# In order to avoid doing a full clone (which would fetch the index branch), we
# unshallow the clone only using the main branch. We need to get the tags to
# regenerate the changelog too
- name: Unshallow main branch and get tags
run: |
cd $GITHUB_WORKSPACE/upstream-charts
git fetch origin main --unshallow
git fetch --tags
- name: Install conventional-changelog-cli
run: npm install -g conventional-changelog-cli
- id: generate-changelog
name: Generate changelog
env:
CHART: ${{ needs.get-chart.outputs.chart }}
run: |
cd $GITHUB_WORKSPACE/upstream-charts
# The generator needs the file to exist
chart_version="$(yq e '.version' $GITHUB_WORKSPACE/charts/bitnami/${CHART}/Chart.yaml)"
changelog_file="$GITHUB_WORKSPACE/charts/bitnami/${CHART}/CHANGELOG.md"
changelog_tmp="$GITHUB_WORKSPACE/charts/bitnami/${CHART}/CHANGELOG.md.tmp"
touch "$changelog_file"
npx conventional-changelog-cli -i ${changelog_file} -s -t ${CHART}/ -r 0 --commit-path bitnami/${CHART}
# The tool uses short sha to generate commit links. Sometimes, Github does not offer links with the short sha, so we change all commit links to use the full sha instead
for short_sha in $(grep -Eo "/commit/[a-z0-9]+" ${changelog_file} | awk -F/ '{print $3}'); do
long_sha="$(git rev-list @ | grep "^$short_sha" | head -n 1)";
sed -i "s%/commit/$short_sha%/commit/$long_sha%g" ${changelog_file};
done
cd $GITHUB_WORKSPACE/charts
# Remove unreleased section (includes all intermediate commits in the branch) and create future entry based on PR title
# The unreleased section looks like this "## (YYYY-MM-DD)" whereas a released section looks like this "## 0.0.1 (YYYY-MM-DD)"
# So we only need to find a released section to start printing in the awk script below
awk '/^##[^(]*[0-9]/ {flag=1} flag {print}' ${changelog_file} > ${changelog_tmp}
# Remove extra newlines so the changelog file passes the markdown linter
sed -i -E -e '/^$/d' ${changelog_tmp} && sed -i -E -e 's/(##.*)/\n\1\n/g' ${changelog_tmp}
# Include h1 heading and add entry for the current version. There is no tag for the current version (this will be created once merged), so we need to manually add it.
# We know the final squashed commit title, which will be the PR title. We cannot add a link to the commit in the main branch because it has not been
# merged yet (this will be corrected once a new version regenerates the changelog). Instead, we add the PR url which contains the exact same information.
echo -e -n "# Changelog\n\n## $chart_version ($(date +'%Y-%m-%d'))\n\n* ${{ github.event.pull_request.title }} ([#${{ github.event.number }}](${{ github.server_url }}/${{ github.repository }}/pull/${{ github.event.number }}))\n" > ${changelog_file}
cat ${changelog_tmp} >> ${changelog_file}
rm ${changelog_tmp}
if git status -s | grep "bitnami/${CHART}/CHANGELOG.md"; then
git add "bitnami/${CHART}/CHANGELOG.md" && git commit -m "Update CHANGELOG.md" --signoff
fi
- name: Install readme-generator-for-helm
if: needs.get-chart.outputs.values-updated == 'true'
run: npm install -g @bitnami/readme-generator-for-helm
- id: update-readme
name: 'Update README'
if: needs.get-chart.outputs.values-updated == 'true'
env:
CHART: ${{ needs.get-chart.outputs.chart }}
run: |
exit_code=0
cd $GITHUB_WORKSPACE/charts
echo "Validating README.md for bitnami/${CHART}"
# Validating *.registry parameters
while read line; do
echo "$line" | grep --quiet "\[default: \(REGISTRY_NAME\|\"\"\)\]" || exit_code=$?
done < <(grep "@param\s\+[A-Za-z\.]\+\.registry\s\+" "bitnami/${CHART}/values.yaml")
if [[ $exit_code -ne 0 ]]; then
echo "error=Please ensure all *.registry params include the [default: REGISTRY_NAME] modifier in the chart bitnami/${CHART}/values.yaml file"
exit "$exit_code"
fi
# Validating *.repository parameters
while read line; do
param=$(echo "$line" | awk '{print $3}')
# Checking if it's a image's registry-related param
registry_param=$(echo ${param} | sed 's/\.repository/\.registry/g')
grep --quiet "@param\s\+${registry_param}" "bitnami/${CHART}/values.yaml" && ( echo "$line" | grep --quiet "\[default: \(REPOSITORY_NAME/.*\|\"\"\)\]" || exit_code=$? )
done < <(grep "@param\s\+[A-Za-z\.]\+\.repository\s\+" "bitnami/${CHART}/values.yaml")
if [[ $exit_code -ne 0 ]]; then
echo "error=Please ensure all *.repository params include the [default: REPOSITORY_NAME] modifier the in the chart bitnami/${CHART}/values.yaml file"
exit "$exit_code"
fi
# Validating *.tag parameters
! grep --quiet "@param\s\+[A-Za-z\.]\+\.tag\s\+" "bitnami/${CHART}/values.yaml" || exit_code=$?
if [[ $exit_code -ne 0 ]]; then
echo "error=Please ensure all *.tag params are skipped (@skip) in the bitnami/${CHART}/values.yaml file"
exit "$exit_code"
fi
echo "Updating README.md for bitnami/${CHART}"
readme-generator --values "bitnami/${CHART}/values.yaml" --readme "bitnami/${CHART}/README.md" --schema "/tmp/schema.json"
# Commit all changes, if any
if git status -s | grep "bitnami/${CHART}"; then
git add "bitnami/${CHART}" && git commit -m "Update README.md with readme-generator-for-helm" --signoff
fi
- id: update-crds
name: 'Update CRDs'
# To avoid malicious executions, only PRs performed by the bitnami-bot will perform the CRDs update
if: github.event.pull_request.user.login == 'bitnami-bot'
env:
CHART: ${{ needs.get-chart.outputs.chart }}
run: |
# Updating CRDs stored at 'bitnami/$CHART/crds' and 'bitnami/$CHART/templates/crds'
cd $GITHUB_WORKSPACE/charts
mapfile -t crd_files < <(find "bitnami/${CHART}/crds" "bitnami/${CHART}/templates/crds" -name "*.yaml" -o -name "*.yml" 2>/dev/null || true)
for file in "${crd_files[@]}"; do
# Automatically update CRDs that use the '# Source' header
source_url_tpl="$(head -n 1 $file | grep -E "^# ?Source: ?" | sed -E 's|^# ?Source: ?||' || true)"
if [[ -n "$source_url_tpl" ]]; then
# Validate the second line of the CRD file includes the version of the CRD
crd_version="$(head -n 2 $file | tail -n 1 | grep -E "^# ?Version: ?" | sed -E 's|^# ?Version: ?||' || true)"
if [[ -z "$crd_version" ]]; then
echo "error=CRD file '${file}' does not include the '#Version: <version> header'"
exit 1
fi
# Additional headers may be used for extra features
# Conditional - Adds a conditional {{if}}/{{end}} to the downloaded upstream CRD
# VersionOf - Name of a subcomponent, its version will be used for CRD tracking instead of the main component version
# UseKustomize - If set to true, uses Kustomize to render the CRDs
# RequiresFilter - If set to true, uses yq to filter resources having 'kind: CustomResourceDefinition', useful when using 'install.yaml' file as upstream source
continue=true
line_n=2
extra_headers=""
CONDITIONAL=""
SUBCOMPONENT=""
USE_KUSTOMIZE=""
REQUIRES_FILTER=""
while [ "$continue" = true ]; do
line_n=$((line_n+1))
line="$(head -n $line_n $file | tail -n 1)"
if [[ $line =~ ^#\ ?[a-zA-Z]+:\ ? ]]; then
if [[ $line =~ ^#\ ?Conditional:\ ? ]]; then
CONDITIONAL="$(echo $line | sed -E 's|^# ?Conditional: ?||')"
CONDITIONAL="{{- if ${CONDITIONAL} }}\n"
elif [[ $line =~ ^#\ ?VersionOf:\ ? ]]; then
SUBCOMPONENT="$(echo $line | sed -E 's|^# ?VersionOf: ?||')"
elif [[ $line =~ ^#\ ?UseKustomize:\ ? ]]; then
USE_KUSTOMIZE="$(echo $line | sed -E 's|^# ?UseKustomize: ?||' || true)"
elif [[ $line =~ ^#\ ?RequiresFilter:\ ? ]]; then
REQUIRES_FILTER="$(echo $line | sed -E 's|^# ?RequiresFilter: ?||' || true)"
else
echo "error=Header ${line} not recognized'"
exit 1
fi
extra_headers="${extra_headers}${line}\n"
else
continue=false
fi
done
# Obtain the version of the subcomponent if provided, otherwise use the main component version
if [[ -n "$SUBCOMPONENT" ]]; then
APP_VERSION="$(cat bitnami/${CHART}/Chart.yaml | grep -E "image: \S+${SUBCOMPONENT}:" | sed -E "s|.*${SUBCOMPONENT}:([0-9\.]+)-.*|\1|")"
else
APP_VERSION="$(yq e '.appVersion' bitnami/${CHART}/Chart.yaml)"
fi
# Replace version placeholder, if present
source_url=$(echo "$source_url_tpl" | sed "s/{version}/${APP_VERSION}/")
# If the application version is newer, automatically update the CRD file
if [[ "$APP_VERSION" != "$crd_version" || "$skip_version" = true ]]; then
if [[ "$USE_KUSTOMIZE" = "true" ]]; then
kubectl kustomize "$source_url" > $file
else
curl -Lks --fail -o $file "$source_url"
fi
if [[ "$REQUIRES_FILTER" = "true" ]]; then
yq -i e '. | select(.kind == "CustomResourceDefinition") | ... head_comment=""' $file
fi
sed -i "1s|^|# Source: ${source_url_tpl}\n# Version: ${APP_VERSION}\n${extra_headers}${CONDITIONAL}|" $file
if [[ -n "$CONDITIONAL" ]]; then
echo -E "{{- end }}" >> $file
fi
echo "info=CRD file '${file}' automatically updated using source '$source_url'"
fi
else
echo "info=CRD file '$file' does not contain the '#Source' header. Skipping..."
fi
done
# Commit all changes, if any
if git status -s | grep "bitnami/${CHART}"; then
git add "bitnami/${CHART}" && git commit -m "Update CRDs automatically" --signoff
fi
- id: update-pr
name: Push changes
run: |
cd $GITHUB_WORKSPACE/charts
# Push all the new commits, if any
if [[ $(git cherry -v) ]]; then
git push
echo "result=ok" >> $GITHUB_OUTPUT
else
echo "result=skip" >> $GITHUB_OUTPUT
fi
vib-verify:
runs-on: ubuntu-latest
needs: [get-chart, update-pr]
permissions:
contents: read
# Given performance issues of the action feature on GH's side, we need to be very restrictive in the job's triggers:
# -> The 'Get modified charts' job suceededs AND
# -> The 'Update PR' job did not push any new changes AND
# ( ---> The pipeline was triggered due to a label addition and said label was the 'verify' one OR
# ---> the PR already contains the 'verify' label )
if: |
needs.get-chart.outputs.result == 'ok' &&
needs.update-pr.outputs.result == 'skip' &&
(
contains(github.event.pull_request.labels.*.name, 'verify') || (github.event.action == 'labeled' && github.event.label.name == 'verify')
)
name: VIB Verify
steps:
- uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
name: Checkout Repository
with:
ref: ${{ github.event.pull_request.head.ref }}
repository: ${{ github.event.pull_request.head.repo.full_name }}
- id: log-chart-info
name: Get chart version and app version
env:
CHART: ${{ needs.get-chart.outputs.chart }}
run: |
# Log chart info
chart_version="$(yq e '.version' bitnami/${CHART}/Chart.yaml)"
app_version="$(yq e '.appVersion' bitnami/${CHART}/Chart.yaml)"
echo "Chart: ${CHART} ChartVersion: ${chart_version} AppVersion: ${app_version}"
- id: get-asset-vib-config
name: Get asset-specific configuration for VIB action
run: |
config_file=".vib/${{ needs.get-chart.outputs.chart }}/vib-action.config"
# Supported configuration customizations and default values
verification_mode="PARALLEL"
if [[ -f $config_file ]]; then
verification_mode="$(cat $config_file | grep 'verification-mode' | cut -d'=' -f2)"
fi
runtime_parameters_file=""
if [[ -f ".vib/${{ needs.get-chart.outputs.chart }}/runtime-parameters.yaml" ]]; then
# The path is relative to the .vib folder
runtime_parameters_file="${{ needs.get-chart.outputs.chart }}/runtime-parameters.yaml"
fi
echo "verification_mode=${verification_mode}" >> $GITHUB_OUTPUT
echo "runtime_parameters_file=${runtime_parameters_file}" >> $GITHUB_OUTPUT
- uses: vmware-labs/vmware-image-builder-action@v0
name: Verify ${{ needs.get-chart.outputs.chart }}
with:
pipeline: ${{ needs.get-chart.outputs.chart }}/vib-verify.json
verification-mode: ${{ steps.get-asset-vib-config.outputs.verification_mode }}
runtime-parameters-file: ${{ steps.get-asset-vib-config.outputs.runtime_parameters_file }}
env:
CSP_API_URL: https://console.cloud.vmware.com
CSP_API_TOKEN: ${{ secrets.CSP_API_TOKEN }}
VIB_PUBLIC_URL: https://cp.bromelia.vmware.com
# Target-Platform used by default
VIB_ENV_TARGET_PLATFORM: ${{ secrets.VIB_ENV_TARGET_PLATFORM }}
# Alternative Target-Platform to be used in case of incompatibilities
VIB_ENV_ALTERNATIVE_TARGET_PLATFORM: ${{ secrets.VIB_ENV_ALTERNATIVE_TARGET_PLATFORM }}
auto-pr-review:
runs-on: ubuntu-latest
needs: vib-verify
name: Reviewal for automated PRs
permissions:
pull-requests: write
# Job to be run only when the triage for automated PRs did as well,
# not taking into account whether 'VIB Verify' succeeded
if: |
always() &&
contains(github.event.pull_request.labels.*.name, 'auto-merge') &&
github.event.pull_request.user.login == 'bitnami-bot'
steps:
# Approve the CI's PR if the 'VIB Verify' job succeeded
# Approved by the 'github-actions' user; a PR can't be approved by its author
- name: PR approval
if: ${{ needs.vib-verify.result == 'success' }}
uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea
with:
result-encoding: string
retries: 3
script: |
github.rest.pulls.createReview({
owner: context.repo.owner,
repo: context.repo.repo,
pull_number: context.issue.number,
event: 'APPROVE',
});
- name: Merge
id: merge
if: ${{ needs.vib-verify.result == 'success' }}
uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea
with:
result-encoding: string
retries: 3
github-token: ${{ secrets.BITNAMI_BOT_TOKEN }}
script: |
github.rest.pulls.merge({
pull_number: context.issue.number,
owner: context.repo.owner,
repo: context.repo.repo,
merge_method: 'squash'
})
# If the CI did not succeed ('VIB Verify' failed or skipped),
# post a comment on the PR and assign a maintainer agent to review it
- name: Manual review required
if: ${{ always() && (needs.vib-verify.result != 'success' || steps.merge.outcome != 'success' ) }}
uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea
env:
BODY: |
There has been an error during the automated release process. Manual revision is now required.
Please check the related [action_run#${{ github.run_id }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}) for more information.
with:
retries: 3
# Necessary to trigger support workflows
github-token: ${{ secrets.BITNAMI_BOT_TOKEN }}
script: |
const {BODY} = process.env
github.rest.issues.createComment({
issue_number: context.issue.number,
owner: context.repo.owner,
repo: context.repo.repo,
body: `${BODY}`
})