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piotrusin/script.sh

Last active Jan 24, 2021
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GitHub webhooks install script
#!/bin/bash
echo -n "Where are your websites stored? [/var/www]: "
read WEBSITES_ROOT_DIRECTORY
if [ -z "$WEBSITES_ROOT_DIRECTORY" ]
then
WEBSITES_ROOT_DIRECTORY="/var/www"
fi
echo -n "git user (user that SSH key was added to the GitHub) [root]: "
read USER
if [ -z "$USER" ]
then
USER="root"
fi
echo -n "GitHub production branch [main]: "
read GH_MAIN_BRANCH
if [ -z "$GH_MAIN_BRANCH" ]
then
GH_MAIN_BRANCH="main"
fi
echo -n "GitHub webhook secret [@see https://docs.github.com/en/free-pro-team@latest/developers/webhooks-and-events/securing-your-webhooks]: "
read WEBHOOK_SECRET
cd ~
sudo apt update
sudo apt install curl git
curl -O https://storage.googleapis.com/golang/go1.15.6.linux-amd64.tar.gz
tar -xvf go1.15.6.linux-amd64.tar.gz
rm -rf go1.15.6.linux-amd64.tar.gz
sudo chown -R root:root ./go
sudo mv go /usr/local
sudo ln -s /usr/local/go/bin/go /usr/local/bin/go
go get github.com/adnanh/webhook
go build github.com/adnanh/webhook
mkdir -p $WEBSITES_ROOT_DIRECTORY/webhooks/commands
sudo mv webhook $WEBSITES_ROOT_DIRECTORY/webhooks
cat << EOF > $WEBSITES_ROOT_DIRECTORY/webhooks/hooks.json
[
{
"id": "deploy",
"execute-command": "/var/www/webhooks/commands/simple-pull.sh",
"pass-arguments-to-command": [
{
"source": "payload",
"name": "repository.name"
}
],
"trigger-rule": {
"and": [
{
"match":
{
"type": "payload-hash-sha1",
"secret": "$WEBHOOK_SECRET",
"parameter":
{
"source": "header",
"name": "X-Hub-Signature"
}
}
},
{
"match":
{
"type": "value",
"value": "refs/heads/$GH_MAIN_BRANCH",
"parameter":
{
"source": "payload",
"name": "ref"
}
}
}
]
}
}
]
EOF
cat << EOF > $WEBSITES_ROOT_DIRECTORY/webhooks/commands/simple-pull.sh
#!/bin/bash
sudo -u $USER sh -s "\$@" <<'EOF'
EOF
echo ' cd /var/www/$1
git pull
EOF' >> $WEBSITES_ROOT_DIRECTORY/webhooks/commands/simple-pull.sh
chmod +x $WEBSITES_ROOT_DIRECTORY/webhooks/commands/simple-pull.sh
sudo echo "
[Unit]
Description=Webhooks
[Service]
ExecStart=$WEBSITES_ROOT_DIRECTORY/webhooks/webhook -hooks $WEBSITES_ROOT_DIRECTORY/webhooks/hooks.json -hotreload
[Install]
WantedBy=multi-user.target
" > /etc/systemd/system/webhook.service
sudo systemctl enable webhook.service
sudo systemctl start webhook.service
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@piotrusin piotrusin commented Jan 24, 2021

Fixed bug in https://gist.github.com/piotrusin/0402f7239b1649bc9fefe73b570c009a#file-script-sh-L87

Added escape character to generate bash script correctly.

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