libconfig/libconfig-validator/scripts/ci.sh

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2022-12-18 21:41:38 +05:30
#!/bin/bash
# ci.sh: Helper script to automate deployment operations on CI/CD
# Copyright © 2022 Aravinth Manivannan <realaravinth@batsense.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -xEeuo pipefail
#source $(pwd)/scripts/lib.sh
readonly SSH_ID_FILE=/tmp/ci-ssh-id
readonly SSH_REMOTE_NAME=origin-ssh
match_arg() {
if [ $1 == $2 ] || [ $1 == $3 ]
then
return 0
else
return 1
fi
}
help() {
cat << EOF
USAGE: ci.sh [SUBCOMMAND]
Helper script to automate deployment operations on CI/CD
Subcommands
-c --clean cleanup secrets, SSH key and other runtime data
-i --init <SSH_PRIVATE_KEY> initialize environment, write SSH private to file
-d --deploy <PAGES-SECRET> <TARGET BRANCH> push branch to Gitea and call Pages server
-h --help print this help menu
EOF
}
# $1: SSH private key
write_ssh(){
truncate --size 0 $SSH_ID_FILE
echo "$1" > $SSH_ID_FILE
chmod 600 $SSH_ID_FILE
}
set_ssh_remote() {
http_remote_url=$(git remote get-url origin)
remote_hostname=$(echo $http_remote_url | cut -d '/' -f 3)
repository_owner=$(echo $http_remote_url | cut -d '/' -f 4)
repository_name=$(echo $http_remote_url | cut -d '/' -f 5)
ssh_remote="git@$remote_hostname:$repository_owner/$repository_name"
ssh_remote="git@git.batsense.net:LibrePages/libconfig.git"
git remote add $SSH_REMOTE_NAME $ssh_remote
}
clean() {
if [ -f $SSH_ID_FILE ]
then
shred $SSH_ID_FILE
rm $SSH_ID_FILE
fi
}
# $1: branch name
# $2: directory containing build assets
# $3: Author in <author-name author@example.com> format
write_to_branch() {
cd $PROJECT_ROOT
original_branch=$(git branch --show-current)
tmp_dir=$(mktemp -d)
cp -r $2/* $tmp_dir
if [[ -z $(git ls-remote --heads origin ${1}) ]]
then
echo "[*] Creating deployment branch $1"
git checkout --orphan $1
else
echo "[*] Deployment branch $1 exists, pulling changes from remote"
git fetch origin $1
git switch $1
fi
git rm -rf .
/bin/rm -rf *
cp -r $tmp_dir/* .
git add --all
if [ $(git status --porcelain | xargs | sed '/^$/d' | wc -l) -gt 0 ];
then
echo "[*] Repository has changed, committing changes"
git commit \
--author="$3" \
--message="new deploy: $(date --iso-8601=seconds)"
fi
git checkout $original_branch
}
# $1: Pages API secret
# $2: Deployment target branch
deploy() {
if (( "$#" < 2 ))
then
help
else
git -c core.sshCommand="/usr/bin/ssh -oStrictHostKeyChecking=no -i $SSH_ID_FILE"\
push --force $SSH_REMOTE_NAME $2
curl -vv --location --request \
POST "https://deploy.batsense.net/api/v1/update"\
--header 'Content-Type: application/json' \
--data-raw "{ \"secret\": \"$1\", \"branch\": \"$2\" }"
fi
}
if (( "$#" < 1 ))
then
help
exit -1
fi
if match_arg $1 '-i' '--init'
then
if (( "$#" < 2 ))
then
help
exit -1
fi
set_ssh_remote
write_ssh "$2"
elif match_arg $1 '-c' '--clean'
then
clean
elif match_arg $1 '-p' '--publish'
then
check_arg $2
check_arg $3
check_arg $4
write_to_branch $2 $3 $4
elif match_arg $1 '-d' '--deploy'
then
if (( "$#" < 3 ))
then
help
exit -1
fi
deploy $2 $3
elif match_arg $1 '-h' '--help'
then
help
else
help
fi