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SETUP.md

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Setup

Tunnel

This isn't necessary if the listening port can be opened to the outside world, or if the GitLab instance is running on the same network as the service.

ngrok http -subdomain=shook 5000

Run with systemd

The ngrok.yml configuration requires that the value for authtoken be taken from the account to use and set correctly.

sudo mkdir -p /etc/ngrok
cat <<EOF | sudo tee /etc/ngrok/ngrok.yml
authtoken: <add_your_token_here>
tunnels:
  shook-http:
    addr: 5000
    proto: http
    subdomain: shook
    auth: "user:secretpassword"
    bind_tls: false
EOF
cat <<EOF | sudo tee /etc/systemd/system/ngrok.service
[Unit]
Description=ngrok
After=network.target

[Service]
ExecStart=/usr/bin/ngrok start --all --config /etc/ngrok/ngrok.yml
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
IgnoreSIGPIPE=true
Restart=always
RestartSec=3
Type=simple

[Install]
WantedBy=multi-user.target
EOF
sudo chmod 644 /etc/systemd/system/ngrok.service
sudo systemctl enable ngrok.service
sudo systemctl start ngrok.service

Create Webhook

Go to the webhooks preferences for a project, eg. https://gitlab.com/geoff.jay/shook/-/hooks, and enter:

  • the host address given by ngrok or a local network IP
  • a secret token that will be configured with the project definition
  • check "Merge request events", uncheck all other triggers
  • uncheck "Enable SSL verification"

Configure

sudo mkdir /etc/shook/
cat <<EOF | sudo tee /etc/shook/config.yml
projects:
  - name: sample
    token: really-gud-secret
    env:
      LOG: /tmp/sample.log
    commands:
      - "touch $LOG"
      - "echo test >> $LOG"
EOF

Run shook with systemd

cat <<EOF | sudo tee /etc/systemd/system/shook.service
[Unit]
Description=Shook Webhook Service
After=network.target
StartLimitIntervalSec=0

[Service]
Type=simple
Restart=always
RestartSec=1
ExecStart=/usr/local/bin/shook -h 127.0.0.1 -c /etc/shook/config.yml

[Install]
WantedBy=multi-user.target
EOF
sudo chmod 644 /etc/systemd/system/shook.service
sudo systemctl enable shook.service
sudo systemctl start shook.service