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anago
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#!/bin/bash
#
# Copyright 2016 The Kubernetes Authors All rights reserved.
#
# 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.
#
# Set PROGram name
PROG=${0##*/}
########################################################################
#+
#+ NAME
#+ $PROG - Kubernetes Release Tool
#+
#+ SYNOPSIS
#+ $PROG [--yes] [--nomock] [--noclean] [--rc] [--official]
#+ [--buildversion=<jenkins build version>]
#+ [--gcrio_repo=<repo name>]
#+ [--basedir=<alt base work dir>] <branch>
#+ [--security_layer=/path/to/pointer/to/script]
#+ $PROG [--helpshort|--usage|-?]
#+ $PROG [--help|-man]
#+
#+ DESCRIPTION
#+ $PROG produces Kubernetes releases.
#+
#+ Driven by the named source <branch> and an optional [--rc] or
#+ [--official] flag, $PROG determines what needs to be released
#+ and calculates the version.
#+
#+ [--buildversion=] will override the automatic check for a build version
#+ Mostly used for testing as a way to re-use a known good build version.
#+
#+ What is going to be done is presented to the user and asks for
#+ confirmation before continuing.
#+
#+ All prerequisites are checked before the process begins.
#+
#+ $PROG runs in mock/dryrun mode by default. To actually execute a
#+ release, pass in the --nomock flag.
#+ ACLs control who can actually *push*.
#+
#+ Simply specify the <branch> you want to release from and follow the
#+ prompts. <branch> is one of master, release-1.2, etc. and the release
#+ is based on the <branch> value and the [--official] flag:
#+
#+ Branch RC Official Type
#+ ------ -- -------- ----
#+ master alpha
#+ master alpha
#+ master X N/A
#+ master X N/A
#+ release-* beta
#+ release-* X release candidate
#+ release-* X official
#+
#+ NOTE: <branch> can exist already or not. If the branch doesn't exist,
#+ it will be branched from master as part of the run.
#+
#+ VALUES USED AND DISPLAYED DURING RUNS:
#+ * The RELEASE_VERSION dictionary is indexed by each of the types of
#+ releases that will be processed for a session (alpha,beta,rc,official)
#+ * RELEASE_VERSION_PRIME is the primary release version
#+ * GCRIO_REPO and RELEASE_BUCKET are the publish locations
#+
#+
#+ OPTIONS
#+ [--yes] - Assume 'yes' to all queries
#+ [--nomock] - Complete an actual release with upstream
#+ pushes
#+ [--noclean] - Attempt to work in existing workspace
#+ Not always possible and ignored when --nomock
#+ is set
#+ [--rc] - Release candidates on release branches only
#+ [--official] - Official releases on release branches only
#+ [--buildversion=ver] - Override Jenkins check and set a specific
#+ build version
#+ [--gcrio_repo=repo] - Specify the GCR repo to use.
#+ (default: google_containers for when --nomock.
#+ Otherwise kubernetes-release-test)
#+ [--basedir=dir] - Specify an alternate base directory
#+ (default: /usr/local/google/$USER or $HOME/anago)
#+ [--security_layer=] - A file containing a path to a script to
#+ source/include:
#+ FLAGS_security_layer=/path/to/script
#+ Default: $HOME/.kubernetes-releaserc
#+ [--help | -man] - display man page for this script
#+ [--usage | -?] - display in-line usage
#+
#+ EXAMPLES
#+ $PROG --yes master - Do a mock alpha release from master
#+ and don't stop/prompt
#+ $PROG release-1.1 - Do a mock beta release from release-1.1
#+ $PROG --rc release-1.1
#+ - Do a mock release candidate from release-1.1
#+ $PROG --official release-1.1
#+ - Do a mock official release from release-1.1
#+ $PROG --nomock --official release-1.1
#+ - Do an official release from release-1.1
#+
#+ FILES
#+ build/release.sh
#+
#+ SEE ALSO
#+ common.sh - common function definitions
#+ gitlib.sh - git/jenkins function definitions
#+ releaselib.sh - release/push-specific functions
#+
#+ BUGS/TODO
#+ * Add statefulness and re-entrancy if the need develops
#+ * Allow --buildversion to specify the absolute version that
#+ release::set_build_version() must wait for
#+ - useful when targeting a specific hash for a branch release
#+
########################################################################
# If NO ARGUMENTS should return usage, uncomment the following line:
usage=${1:-yes}
source $(dirname $(readlink -ne $BASH_SOURCE))/lib/common.sh
source $TOOL_LIB_PATH/gitlib.sh
source $TOOL_LIB_PATH/releaselib.sh
# Validate command-line
common::argc_validate 1 || common::exit 1 "Exiting..."
# Set positional args
RELEASE_BRANCH=${POSITIONAL_ARGV[0]}
# Check branch format
[[ $RELEASE_BRANCH =~ $BRANCH_REGEX ]] \
|| common::exit 1 "Invalid branch name!"
# Check arg conflicts
if ((FLAGS_rc)) || ((FLAGS_official)); then
if [[ "$RELEASE_BRANCH" == "master" ]]; then
common::exit 1 "Can't do release candidate or official releases on master!"
fi
else
if [[ -n ${BASH_REMATCH[4]} ]]; then
common::exit 1 "Only --official releases are allowed on 3-part branches!"
fi
fi
if ((FLAGS_rc)) && ((FLAGS_official)); then
common::exit 1 "Can't do release candidate and official release!"
fi
###############################################################################
# FUNCTIONS
###############################################################################
###############################################################################
# common::cleanexit prog-specific override function
# Do stuff here to clean up after this specific script
# @param exit code
#
common::cleanexit () {
tput cnorm
local f
logrun rm -rf $LOCAL_CACHE
if [[ -d $WORKDIR ]]; then
for f in $(ls $LOGFILE{,.[0-9]} 2>/dev/null); do
common::strip_control_characters $f
done
logecho -n "Copying $LOGFILE{,.[0-9]} to $WORKDIR: "
logrun -s cp -f $LOGFILE{,.[0-9]} $WORKDIR
fi
common::timestamp end
exit ${1:-0}
}
###############################################################################
# Simple ACL check to limit nomock runs to a short list of release folks
check_acls () {
if ! (echo "$USER" | egrep -q -w "$ACL_LIST"); then
echo "Live releases restricted to certain users!"
return 1
fi
}
###############################################################################
# Checks release-specific prereqs
# Sets globals GCLOUD_ACCOUNT GCLOUD_PROJECT
# @param package - A space separated list of packages to verify exist
#
check_prerequisites () {
local userat="$USER@$DOMAIN_NAME"
local tempfile=/tmp/$PROG-cp.$$
security_layer::auth_check 2
if ! common::set_cloud_binaries; then
logecho "Releasing Kubernetes requires gsutil and gcloud. Please download,"
logecho "install and authorize through the Google Cloud SDK:"
logecho
logecho "https://developers.google.com/cloud/sdk/"
return 1
fi
# TODO: Users outside google? Ask/derive domain?
# TODO: The real test here is to verify that whatever auth has access to
# do releasey things
gcloud_auth_list=$($GCLOUD auth list 2>/dev/null)
for user in $G_AUTH_USER $userat; do
logecho -n "Checking cloud account/auth $user: "
if [[ "$gcloud_auth_list" =~ -\ $user ]] && \
(logrun gcloud config set account $user && \
logrun gcloud docker -- version >/dev/null 2>&1); then
logecho -r "$OK"
else
logecho -r "$FAILED"
logecho
logecho "$user is not in the credentialed accounts list!"
logecho "Sign in with:"
logecho
logecho "$ gcloud auth login $user"
return 1
fi
done
# Ensure $USER is active to start
# The loop above finishes on $userat
gcloud_auth_list=$($GCLOUD auth list 2>/dev/null)
if ! [[ "$gcloud_auth_list" =~ -\ $userat\ ACTIVE ]]; then
logecho "$userat is not the active gcloud user!"
logecho "Set with:"
logecho
logecho "$ gcloud config set account $userat"
return 1
fi
GCLOUD_ACCOUNT=$user
# Verify write access to $RELEASE_BUCKET
# Insufficient for checking actual writability, but useful:
# ganpati list-members -g cloud-kubernetes-release -u $USER|fgrep -wq $USER
logecho -n "Checking writability and ACLs on $RELEASE_BUCKET: "
if release::gcs::ensure_release_bucket $RELEASE_BUCKET && \
logrun touch $tempfile && \
logrun $GSUTIL cp $tempfile gs://$RELEASE_BUCKET && \
logrun $GSUTIL rm gs://$RELEASE_BUCKET/${tempfile##*/} && \
logrun rm -f $tempfile; then
logecho -r "$OK"
else
logecho -r "$FAILED"
return 1
fi
logecho -n "Checking cloud project state: "
GCLOUD_PROJECT=$($GCLOUD config list project 2>/dev/null |\
awk '{project = $3} END {print project}')
if [[ -z "$GCLOUD_PROJECT" ]]; then
logecho -r "$FAILED"
logecho "No account authorized through gcloud. Please fix with:"
logecho
logecho "$ gcloud config set project <project id>"
return 1
fi
logecho -r "$OK"
}
###############################################################################
# Updates pkg/version/base.go with RELEASE_VERSION
# Uses the RELEASE_VERSION global dict
# @param label - label index to RELEASE_VERSION
rev_version_base () {
local label=$1
local version_file="pkg/version/base.go"
local minor_plus
local gitmajor
local gitminor
logecho "Updating $version_file to ${RELEASE_VERSION[$label]}..."
if [[ ${RELEASE_VERSION[$label]} =~ ${VER_REGEX[release]} ]]; then
gitmajor=${BASH_REMATCH[1]}
gitminor=${BASH_REMATCH[2]}
fi
[[ "$label" =~ ^beta || "$label" =~ ^rc ]] && minor_plus="+"
sed -i -e "s/\(gitMajor *string = \)\"[^\"]*\"/\1\"$gitmajor\"/g" \
-e "s/\(gitMinor *string = \)\"[^\"]*\"/\1\"$gitminor$minor_plus\"/g" \
-e "s/\(gitVersion *string = \)\"[^\"]*\"/\1\"${RELEASE_VERSION[$label]}+\$Format:%h\$\"/g" $version_file
logecho -n "Formatting $version_file: "
logrun -s gofmt -s -w $version_file
logrun git add $version_file
logecho -n "Committing $version_file: "
logrun -s git commit -m "Kubernetes version ${RELEASE_VERSION[$label]}"
}
###############################################################################
# Update CHANGELOG on master
generate_release_notes() {
local release_tars=$TREE_ROOT/_output-$RELEASE_VERSION_PRIME/release-tars
logecho -n "Generating release notes: "
logrun -s relnotes $RELEASE_VERSION_PRIME --release-tars=$release_tars \
--branch=${PARENT_BRANCH:-$RELEASE_BRANCH} --htmlize-md \
--markdown-file=$RELEASE_NOTES_MD \
--html-file=$RELEASE_NOTES_HTML \
--release-bucket=$RELEASE_BUCKET || return 1
logecho -n "Checkout master branch to make changes: "
logrun -s git checkout master || return 1
logecho "Insert $RELEASE_VERSION_PRIME notes into CHANGELOG.md..."
# Pipe to logrun() vs using directly, because quoting.
sed -i -e 's/<!-- NEW RELEASE NOTES ENTRY -->/&\n/' \
-e "/<!-- NEW RELEASE NOTES ENTRY -->/r $RELEASE_NOTES_MD" \
CHANGELOG.md | logrun
logecho -n "Update CHANGELOG.md TOC: "
common::mdtoc CHANGELOG.md || return 1
logecho -n "Committing CHANGELOG.md: "
logrun -s git commit -am "Update CHANGELOG.md for $RELEASE_VERSION_PRIME." \
|| return 1
}
##############################################################################
# Prepare sources for building for a given label
# @param label - The label to process
prepare_tree () {
local label=$1
local label_common=$label
local tree_object="$RELEASE_BRANCH"
local branch_arg
local branch_point
local current_branch
# Check for tag first
if git rev-parse "${RELEASE_VERSION[$label]}" >/dev/null 2>&1; then
if ((FLAGS_noclean)); then
logecho "$ATTENTION: Found existing tag ${RELEASE_VERSION[$label]} in" \
"unclean tree during --noclean run"
logecho -n "Checking out ${RELEASE_VERSION[$label]}: "
logrun -s git checkout ${RELEASE_VERSION[$label]} || return 1
return 0
else
logecho "The ${RELEASE_VERSION[$label]} tag already exists!"
logecho "Possible reasons for this:"
logecho "* --buildversion is old."
logecho "* $WORKDIR is unclean"
return 1
fi
fi
# if this is a new branch, checkout -B
if [[ -n "$PARENT_BRANCH" ]]; then
if [[ $RELEASE_VERSION_PRIME == ${RELEASE_VERSION[$label]} ]]; then
branch_arg="-B"
branch_point=$BRANCH_POINT
else
# if this is not the PRIMary version on the named RELEASE_BRANCH, use the
# parent
tree_object=$PARENT_BRANCH
fi
elif [[ $label == "alpha" ]]; then
if ! [[ $JENKINS_BUILD_VERSION =~ ${VER_REGEX[build]} ]]; then
logecho "Unable to set checkout point for alpha release!" \
"Invalid JENKINS_BUILD_VERSION=$JENKINS_BUILD_VERSION"
return 1
fi
tree_object=${BASH_REMATCH[2]}
fi
# Checkout location
logecho -n "Checking out $tree_object: "
logrun -s git checkout $branch_arg $tree_object $branch_point || return 1
# Now set the current_branch we're on
current_branch=$(gitlib::current_branch)
# rev base.go
case $label in
beta*|rc|official) rev_version_base $label ;;
esac
# generate docs on new branches (from master) only
# If the entirety of this session is based on a branch from master
# (PARENT_BRANCH), and this iteration of prepare_tree() is operating on
# the NON-master branch itself, versionize the docs
if [[ "$PARENT_BRANCH" == "master" && "$current_branch" != "master" ]]; then
logecho -n "Generating docs for ${RELEASE_VERSION[$label]}: "
logrun -s $TREE_ROOT/hack/generate-docs.sh || return 1
logecho -n "Committing: "
logrun git commit -am \
"Generating docs for ${RELEASE_VERSION[$label]} on $current_branch."
fi
# Ensure a common name for label in case we're using the special beta indexes
[[ "$label" =~ ^beta ]] && label_common="beta"
# Tagging
commit_string="Kubernetes $label_common release ${RELEASE_VERSION[$label]}"
logecho -n "Tagging $commit_string on $current_branch: "
logrun -s git tag -a -m "$commit_string" "${RELEASE_VERSION[$label]}"
}
##############################################################################
# Build the Kubernetes tree
# @param version - The kubernetes version to build
build_tree () {
local version=$1
local branch=$(gitlib::current_branch)
# Convert a detached head state to something more readable
[[ "$branch" == HEAD ]] && branch="master (detached head)"
# For official releases we need to build BOTH the official and the beta and
# push those releases.
logecho
logecho -n "Building Kubernetes $version on $branch: "
# Should be an arg at some point
export KUBE_DOCKER_IMAGE_TAG="$version"
# TODO: Ideally we update LOCAL_OUTPUT_ROOT in build/common.sh to be
# modifiable. In the meantime just mv the dir after it's done
# Not until https://github.com/kubernetes/kubernetes/issues/23839
#logrun -s make release OUT_DIR=$BUILD_OUTPUT-${RELEASE_VERSION[$label]}
logrun -s make release || common::exit 1
logecho -n "Moving build _output to $BUILD_OUTPUT-$version: "
logrun -s mv $BUILD_OUTPUT $BUILD_OUTPUT-$version
}
##############################################################################
# Push git objects to github
# NOTES:
# * alpha is alone, pushes tags only
# * beta is alone, pushes branch and tags
# * rc is alone, pushes branch and tags
# * official pushes both official and beta items - branch and tags
# * New branch tags a new alpha on master, new beta on new branch and pushes
# new branch and tags on both
push_git_objects () {
local b
local dryrun_flag=" --dry-run"
# The real deal?
((FLAGS_nomock)) && dryrun_flag=""
((FLAGS_yes)) \
|| common::askyorn -e "Pausing here. Confirm push$dryrun_flag of tags" \
"and bits" \
|| common::exit 1 "Exiting..."
logecho -n "Checkout master branch to push objects: "
logrun -s git checkout master || return 1
logecho "Pushing$dryrun_flag tags"
for b in ${!RELEASE_VERSION[@]}; do
logecho -n "* ${RELEASE_VERSION[$b]}: "
logrun -s git push$dryrun_flag origin ${RELEASE_VERSION[$b]} || return 1
done
if [[ "$RELEASE_BRANCH" =~ release- ]]; then
#logecho -n "Rebase $RELEASE_BRANCH branch: "
#logrun git fetch origin/$RELEASE_BRANCH || return 1
#logrun git rebase origin/$RELEASE_BRANCH || return 1
logecho -n "Pushing$dryrun_flag $RELEASE_BRANCH branch: "
logrun -s git push$dryrun_flag origin $RELEASE_BRANCH || return 1
# Additionally push the parent branch if a branch of branch
if [[ "$PARENT_BRANCH" =~ release- ]]; then
logecho -n "Pushing$dryrun_flag $PARENT_BRANCH branch: "
logrun -s git push$dryrun_flag origin $PARENT_BRANCH || return 1
fi
fi
# For new branches and for CHANGELOG, update the master
gitlib::push_master
}
###############################################################################
# generate the announcement text to be mailed and published
create_branch_announcement () {
cat <<EOF
Kubernetes team,
<P>
Kubernetes' $RELEASE_BRANCH branch has been created and is ready to accept patches.
<P>
Refer to the <A HREF=https://github.com/kubernetes/kubernetes/blob/master/docs/devel/cherry-picks.md>Cherrypick Guide</A> for instructions.
<P>
Announced by <A HREF=https://github.com/kubernetes/release>$PROG</A>, the Kubernetes Release Tool
EOF
}
###############################################################################
# generate the announcement text to be mailed and published
create_announcement () {
cat <<EOF
Kubernetes team,
<P>
Kubernetes $RELEASE_VERSION_PRIME has been built and pushed.
<P>
The release notes have been updated in <A HREF=https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG.md/#${RELEASE_VERSION_PRIME//\./}>CHANGELOG.md</A> with a pointer to it on <A HREF=https://github.com/kubernetes/kubernetes/releases/tag/$RELEASE_VERSION_PRIME>github</A>:
<P>
<HR>
$(cat $RELEASE_NOTES_HTML)
<HR>
<P><BR>
Leads, the <A HREF=https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG.md/#${RELEASE_VERSION_PRIME//\./}>CHANGELOG.md</A> has been bootstrapped with $RELEASE_VERSION_PRIME release notes and you may edit now as needed.
<P><BR>
Published by <A HREF=https://github.com/kubernetes/release>$PROG</A>, the Kubernetes Release Tool
EOF
}
###############################################################################
# Mail out the announcement
# @param subject - the subject for the email notification
announce () {
local mailto="[email protected]"
mailto+=",[email protected]"
mailto+=",[email protected]"
local subject="$*"
local announcement_text=/tmp/$PROG-announce.$$
((FLAGS_nomock)) || mailto=$USER@$DOMAIN_NAME
if [[ -n "$PARENT_BRANCH" ]]; then
create_branch_announcement
else
create_announcement
fi > $announcement_text
logecho "Announcing k8s $RELEASE_VERSION_PRIME to $mailto..."
# Always cc invoker
# Due to announcements landing on public mailing lists requiring membership,
# post from the invoking user (for now until this is productionized further)
# and use reply-to to ensure replies go to the right place.
common::sendmail -h "$mailto" "K8s-Anago<$USER@$DOMAIN_NAME>" \
"K8s-Anago<[email protected]>" \
"$subject" "$USER@$DOMAIN_NAME" \
"$announcement_text" --html || return 1
logrun rm -f $announcement_text
}
###############################################################################
# Update the releases page on github
update_github_release () {
local release_id
local id_suffix
local release_verb="Posting"
local prerelease="true"
local draft="true"
local tarball="$TREE_ROOT/_output-$RELEASE_VERSION_PRIME/release-tars"
tarball+="/kubernetes.tar.gz"
local sha_hash=$(common::sha $tarball 256)
((FLAGS_official)) && prerelease="false"
if ((FLAGS_nomock)); then
draft="false"
# Check to see that a tag exists.
# non-draft release posts to github create a tag. We don't want to
# create any tags on the repo this way. The tag should already exist
# as a result of the release process.
if ! $GHCURL $K8S_GITHUB_API/git/refs/tags |jq -r '.[] | .ref' |\
egrep -q "^refs/tags/$RELEASE_VERSION_PRIME$"; then
logecho
logecho "$FATAL: How did we get here?"
logecho "The $RELEASE_VERSION_PRIME tag doesn't exist yet on github." \
"That can't be good."
logecho "We certainly cannot publish a release without a tag."
return 1
fi
fi
# Does the release exist yet?
release_id=$($GHCURL $K8S_GITHUB_API/releases/tags/$RELEASE_VERSION_PRIME |\
jq -r '.id')
if [[ -n "$release_id" ]]; then
logecho "The $RELEASE_VERSION_PRIME is already published on github."
if ((FLAGS_yes)) || common::askyorn -e "Would you like to update it"; then
logecho "Setting post data id to $release_id to update existing release."
id_suffix="/$release_id"
release_verb="Updating"
else
logecho "Existing release (id #$release_id) left intact."
return 1
fi
fi
# post release data
logecho "$release_verb the $RELEASE_VERSION_PRIME release on github..."
local changelog_url="$K8S_GITHUB_URL/blob/master/CHANGELOG.md"
release_id=$($GHCURL $K8S_GITHUB_API/releases$id_suffix --data \
'{
"tag_name": "'$RELEASE_VERSION_PRIME'",
"target_commitish": "'$RELEASE_BRANCH'",
"name": "'$RELEASE_VERSION_PRIME'",
"body": "See [kubernetes-announce@](https://groups.google.com/forum/#!forum/kubernetes-announce) and [CHANGELOG]('$changelog_url'#'${RELEASE_VERSION_PRIME//\./}') for details.\n\nSHA256 for `kubernetes.tar.gz`: `'$sha_hash'`\n\nAdditional binary downloads are linked in the [CHANGELOG]('$changelog_url'#downloads-for-'${RELEASE_VERSION_PRIME//\./}').",
"draft": '$draft',
"prerelease": '$prerelease'
}' |jq -r '.id')
# verify it was created
if [[ -z "$release_id" ]]; then
logecho
logecho -r "$FAILED to create the $RELEASE_VERSION_PRIME release on github!"
return 1
fi
# publish binary
logecho -n "Uploading binary to github: "
logrun -s $GHCURL -H "Content-Type:application/x-compressed" \
--data-binary @$tarball \
"${K8S_GITHUB_API/api\./uploads\.}/releases/$release_id/assets?name=${tarball##*/}"
if $draft; then
logecho
logecho "$ATTENTION: A draft release of $RELEASE_VERSION_PRIME was" \
"created at $K8S_GITHUB_URL/releases."
logecho
# delete it
if ((FLAGS_yes)) || \
common::askyorn -y "Delete draft release (id #$release_id) now"; then
logecho -n "Deleting the draft release (id #$release_id): "
logrun $GHCURL -X DELETE $K8S_GITHUB_API/releases/$release_id
fi
# verify it was deleted
release_id=$($GHCURL $K8S_GITHUB_API/releases/$release_id | jq -r '.id')
if [[ -n "$release_id" ]]; then
logecho -r $FAILED
logecho "The draft release (id #$release_id) was NOT deleted." \
"Deal with it by hand"
logecho "$K8S_GITHUB_URL/releases/$RELEASE_VERSION_PRIME"
else
logecho -r $OK
fi
fi
}
##############################################################################
# Calls into Jenkins looking for a build to use for release
# Sets global PARENT_BRANCH when a new branch is created
# And global BRANCH_POINT when new branch is created from an existing tag
get_build_candidate () {
local testing_branch
# Are we branching to a new branch?
if gitlib::branch_exists $RELEASE_BRANCH; then
# If the branch is a 3-part branch (ie. release-1.2.3)
if [[ $RELEASE_BRANCH =~ $BRANCH_REGEX ]] && \
[[ -n ${BASH_REMATCH[4]} ]]; then
# The 'missing' . here between 2 and 3 is intentional. It's part of the
# optional regex.
BRANCH_POINT=v${BASH_REMATCH[1]}.${BASH_REMATCH[2]}${BASH_REMATCH[3]}
fi
testing_branch=$RELEASE_BRANCH
else
[[ $RELEASE_BRANCH =~ $BRANCH_REGEX ]]
# Not a 3 part branch
if [[ -z "${BASH_REMATCH[4]}" ]]; then
if ((FLAGS_official)); then
common::exit 1 "Can't do official releases when creating a new branch!"
fi
PARENT_BRANCH=master
testing_branch=$PARENT_BRANCH
# if 3 part branch name, check parent exists
elif gitlib::branch_exists ${RELEASE_BRANCH%.*}; then
PARENT_BRANCH=${RELEASE_BRANCH%.*}
# The 'missing' . here between 2 and 3 is intentional. It's part of the
# optional regex.
BRANCH_POINT=v${BASH_REMATCH[1]}.${BASH_REMATCH[2]}${BASH_REMATCH[3]}
testing_branch=$PARENT_BRANCH
else
common::exit 1 "$FATAL! We should never get here! branch=$RELEASE_BRANCH"
fi
fi
if [[ -z $BRANCH_POINT ]]; then
if [[ -n $JENKINS_BUILD_VERSION ]]; then
logecho -r "$ATTENTION: Using --buildversion=$JENKINS_BUILD_VERSION"
else
logecho "Asking Jenkins for a good build (this may take some time)..."
FLAGS_verbose=1 release::set_build_version $testing_branch || return 1
fi
# The RELEASE_BRANCH should always match with the JENKINS_BUILD_VERSION
if [[ $RELEASE_BRANCH =~ release- ]] && \
[[ ! $JENKINS_BUILD_VERSION =~ ^v${RELEASE_BRANCH/release-/} ]]; then
logecho
logecho "$FATAL! branch/build mismatch!"
logecho "buildversion=$JENKINS_BUILD_VERSION branch=$RELEASE_BRANCH"
common::exit 1
fi
fi
FLAGS_verbose=1 \
release::set_release_version ${BRANCH_POINT:-$JENKINS_BUILD_VERSION} \
$RELEASE_BRANCH \
$PARENT_BRANCH \
|| return 1
# Check that this tag doesn't exist which may occur if $PROG ran partially
if [[ "$($GHCURL $K8S_GITHUB_API/tags |jq -r '.[] .name')" =~ \
$'\n'$RELEASE_VERSION_PRIME$'\n' ]]; then
logecho
logecho "The tag $RELEASE_VERSION_PRIME already exists on github."
logecho "* An old --buildversion was specified on the command-line"
logecho "* An incomplete $PROG run is being rerun. anago is not fully" \
"reentrant yet. COMING SOON."
return 1
fi
}
##############################################################################
# Prepare the workspace and sync the tree
prepare_workspace () {
local outdir
# Clean up or not
if ((FLAGS_noclean)); then
logecho "Working in existing workspace..."
else
if [[ -d $TREE_ROOT ]]; then
logecho "Checking for _output directories..."
logrun cd $TREE_ROOT
# set -e sillyness - yes that's a ||true there that would otherwise not
# be needed except for 'set -e' in all its glory
for outdir in $(ls -1d _output* 2>/dev/null ||true); do
# This craziness due to
# https://github.com/kubernetes/kubernetes/issues/23839
if [[ $outdir != "_output" ]]; then
logrun mv $outdir _output
fi
logecho -n "make clean for $outdir: "
logrun -s make clean || return 1
logecho -n "Removing _output: "
logrun -s rm -rf _output || return 1
done
fi
logecho -n "Removing/recreating $WORKDIR: "
logrun cd /tmp
logrun -s rm -rf $WORKDIR || return 1
fi
# Sync the tree
gitlib::sync_repo $K8S_GITHUB_SSH $TREE_ROOT || return 1
logrun cd $TREE_ROOT
}
##############################################################################
# Archive the release on GS
archive_release () {
local archive_bucket=gs://$RELEASE_BUCKET/releases
((FLAGS_yes)) || common::askyorn -y "Archive this release on GS" || return
logecho -n "Copy $WORKDIR to $archive_bucket: "
logrun -s $GSUTIL -mq cp -r $WORKDIR $archive_bucket || return 1
}
###############################################################################
# MAIN
###############################################################################
# Default mode is a mocked release workflow
: ${FLAGS_nomock:=0}
: ${FLAGS_noclean:=0}
: ${FLAGS_rc:=0}
: ${FLAGS_official:=0}
# Set with --buildversion or set it later in release::set_build_version()
JENKINS_BUILD_VERSION=$FLAGS_buildversion
RELEASE_BUCKET="kubernetes-release"
if ((FLAGS_nomock)); then
# Override any --noclean setting if nomock
FLAGS_noclean=0
GCRIO_REPO="${FLAGS_gcrio_repo:-google_containers}"
else
# This is passed to logrun() where appropriate when we want to mock
# specific activities like pushes
LOGRUN_MOCK="-m"
# Point to a $USER playground
RELEASE_BUCKET+=-$USER
GCRIO_REPO="${FLAGS_gcrio_repo:-kubernetes-release-test}"
fi
BASEDIR=${FLAGS_basedir}
if [[ -z "${BASEDIR}" ]]; then
# Goobuntu machines have a standard path for "local" disk as the home
# directory is often stored elsewhere (NFS or something more exotic.)
if [[ -d "/usr/local/google" ]]; then
BASEDIR="/usr/local/google/$USER"
else
BASEDIR="$HOME/anago"
fi
fi
# TODO:
# These KUBE_ globals extend beyond the scope of the new release refactored
# tooling so to pass these through as flags will require fixes across
# kubernetes/kubernetes and kubernetes/release which we can do at a later time
export KUBE_DOCKER_REGISTRY="gcr.io/$GCRIO_REPO"
export KUBE_RELEASE_RUN_TESTS=n
export KUBE_SKIP_CONFIRMATIONS=y
##############################################################################
# Initialize logs
##############################################################################
# Initialize and save up to 10 (rotated logs)
LOGFILE=/tmp/$PROG.log
common::logfileinit $LOGFILE 10
# BEGIN script
common::timestamp begin
# Check tool repo
gitlib::repo_state || common::exit 1
# Additional functionality
common::security_layer
##############################################################################
common::stepheader "CHECK GITHUB AUTH"
##############################################################################
gitlib::github_api_token
gitlib::ssh_auth
# Domain check
if [[ "$HOSTNAME" =~ \.([^\.]+\.com)$ ]]; then
DOMAIN_NAME=${FLAGS_domain:-${BASH_REMATCH[1]}}
if ! [[ -n $DOMAIN_NAME ]]; then
common::exit 1 "Unable to determine your domain." \
"Pass it in on the command-line" \
"with --domain=<yourdomain.com>"
fi
fi
# Simple check to validate who can do actual releases
((FLAGS_nomock)) && check_acls
##############################################################################
common::stepheader "CHECK PREREQUISITES"
##############################################################################
common::check_packages jq docker-engine pandoc ${PREREQUISITE_PACKAGES[*]} \
|| common::exit 1 "Exiting..."
check_prerequisites || common::exit 1 "Exiting..."
##############################################################################
common::stepheader "SET BUILD CANDIDATE"
##############################################################################
common::runstep get_build_candidate || common::exit 1 "Exiting..."
# WORK/BUILD area
WORKDIR=$BASEDIR/$PROG-$RELEASE_VERSION_PRIME
# Go tools expect the kubernetes src to be under $GOPATH
export GOPATH=$WORKDIR
# TOOL_ROOT is release/
# TREE_ROOT is working branch/tree
TREE_ROOT=$WORKDIR/src/k8s.io/kubernetes
BUILD_OUTPUT=$TREE_ROOT/_output
RELEASE_NOTES_MD=$WORKDIR/release-notes.md
RELEASE_NOTES_HTML=$WORKDIR/release-notes.html
# Ensure the WORKDIR exists
logrun mkdir -p $WORKDIR
##############################################################################
common::stepheader "DISK SPACE CHECK"
##############################################################################
# 18G per build
common::disk_space_check $BASEDIR $((30*${#RELEASE_VERSION[*]})) ||\
common::exit 1 "Exiting..."
if [[ $RELEASE_BRANCH =~ release- ]] &&
gitlib::branch_exists $RELEASE_BRANCH; then
##############################################################################
common::stepheader "PENDING PRS ON THE $RELEASE_BRANCH BRANCH"
##############################################################################
gitlib::pending_prs $RELEASE_BRANCH
fi
##############################################################################
common::stepheader "SESSION VALUES"
##############################################################################
# Show versions and ask for confirmation to continue
# Pass in the indexed RELEASE_VERSION dict key by key
ALL_RELEASE_VERSIONS=($(for key in ${!RELEASE_VERSION[@]}; do
echo RELEASE_VERSION[$key]; done))
# Depending on the type of operation being performed one of these will be set
if [[ -n $BRANCH_POINT ]]; then
DISPLAY_VERSION="BRANCH_POINT"
else
DISPLAY_VERSION="JENKINS_BUILD_VERSION"
fi
common::printvars -p WORKDIR WORKDIR TREE_ROOT $DISPLAY_VERSION \
RELEASE_VERSION_PRIME ${ALL_RELEASE_VERSIONS[@]} \
RELEASE_BRANCH GCRIO_REPO RELEASE_BUCKET \
FLAGS_nomock FLAGS_noclean FLAGS_rc FLAGS_official \
LOGFILE
if [[ -n "$PARENT_BRANCH" ]]; then
logecho
logecho "$ATTENTION: $RELEASE_BRANCH is a NEW branch off $PARENT_BRANCH!"
fi
if ! ((FLAGS_nomock)); then
logecho
logecho "$ATTENTION: This is a mock (--mock) run." \
"Publishing will be based on the above values for" \
"RELEASE_BUCKET and GCRIO_REPO."
fi
logecho
((FLAGS_yes)) || common::askyorn -e "Do these values look ok for a release" \
|| common::exit 1 "Exiting..."
logecho
logecho -r "${TPUT[BOLD]}>>>>>>>>${TPUT[OFF]}" \
"View detailed session output with: tailf $LOGFILE"
logecho -r "${TPUT[BOLD]}>>>>>>>>${TPUT[OFF]}" \
"(Previous logs can be found in $LOGFILE.{1..10})"
##############################################################################
common::stepheader "PREPARE WORKSPACE"
##############################################################################
common::runstep prepare_workspace || common::exit 1 "Exiting..."
# Need to check git push direct credentials here, deeper into the process
# than I'd optimally like - preferably this is done way earlier up where the
# other prerequisites are checked, but the nature of the check requires
# an actual git repo.
##############################################################################
common::stepheader "CHECK GIT PUSH ACCESS"
##############################################################################
# TODO: capture state of access without forcing us into a prompt I have to
# expose.
logecho "Checking git push access - verbosely to accept password if needed..."
logecho "(NOTE: If using 2factor, enter a token for password)"
logrun -v git push -q --dry-run origin master || common::exit 1 "Exiting..."
# Iterate over session release versions for setup, tagging and building
for label in ${!RELEASE_VERSION[@]}; do
##############################################################################
common::stepheader "TAG AND BUILD ${RELEASE_VERSION[$label]}"
##############################################################################
# Prepare the tree for each set of actions (keys of RELEASE_VERSION)
common::runstep prepare_tree $label || common::exit 1 "Exiting..."
common::runstep build_tree ${RELEASE_VERSION[$label]}
done
# No release notes for X.Y.Z-beta.0 releases
if [[ -z "$PARENT_BRANCH" ]]; then
##############################################################################
common::stepheader "GENERATE RELEASE NOTES"
##############################################################################
common::runstep generate_release_notes || common::exit 1 "Exiting..."
fi
##############################################################################
common::stepheader "PUSH GIT OBJECTS"
##############################################################################
common::runstep push_git_objects || common::exit 1 "Exiting..."
# Get back on $RELEASE_BRANCH because we source branch-specific
# hack/lib/golang.sh in release::docker::release()
if [[ $RELEASE_BRANCH =~ release- ]]; then
logecho -n "Checkout $RELEASE_BRANCH branch to continue: "
logrun -s git checkout $RELEASE_BRANCH || common::exit 1 "Exiting..."
fi
# Set branch-specific KUBE_SERVER_PLATFORMS from current tree
# Used in release::docker::release()
source $TREE_ROOT/hack/lib/golang.sh
# Push for each release version of this session
for label in ${!RELEASE_VERSION[@]}; do
##############################################################################
common::stepheader "PUSH ${RELEASE_VERSION[$label]} IMAGES"
##############################################################################
common::runstep release::gcs::copy_release_artifacts \
release ${RELEASE_VERSION[$label]} \
$BUILD_OUTPUT-${RELEASE_VERSION[$label]} \
$RELEASE_BUCKET \