Tweak systemd units

Changes include:
* Remove target unit
* Create and use config directory
* Use directory directly under /opt as home
* Rename suggested user/group
* Restart on failure
* (aside) Rename Node module name after Chrome unit

puppet/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "matrix-puppeteer-line-puppeteer",
+  "name": "matrix-puppeteer-line-chrome",
   "version": "0.1.0",
-  "description": "Puppeteer module for matrix-puppeteer-line",
+  "description": "Chrome/Puppeteer backend for matrix-puppeteer-line",
   "repository": {
     "type": "git",
     "url": "git+https://src.miscworks.net/fair/matrix-puppeteer-line.git"

systemd/matrix-puppeteer-line-chrome.service

@@ -1,15 +1,18 @@
 [Unit]
-Description=Matrix-puppeteer-line Chrome backend
-PartOf=matrix-puppeteer-line-chrome.target
+Description=Chrome/Puppeteer backend for matrix-puppeteer-line
+After=multi-user.target network.target
 
 [Service]
-; User=matrix-line
-; Group=matrix
+; User=matrix-puppeteer-line
+; Group=matrix-puppeteer-line
 Type=notify
 NotifyAccess=all
-WorkingDirectory=/opt/synapse/bridges/matrix-puppeteer-line/puppet
-ExecStart=/bin/xvfb-run /usr/bin/node src/main.js
-RuntimeDirectory=matrix/puppeteer-line
+WorkingDirectory=/opt/matrix-puppeteer-line/puppet
+ConfigurationDirectory=matrix-puppeteer-line
+RuntimeDirectory=matrix-puppeteer-line
+ExecStart=/usr/bin/xvfb-run -a yarn start --config ${CONFIGURATION_DIRECTORY}/puppet-config.json
+Restart=on-failure
+RestartSec=3
 
 [Install]
-WantedBy=multi-user.target
+WantedBy=multi-user.target

systemd/matrix-puppeteer-line-chrome.target

@@ -1,5 +0,0 @@
-[Unit]
-Description=Matrix puppeteer line bridge target
-Requires=multi-user.target network.target
-After=multi-user.target network.target
-BindsTo=matrix-puppeteer-line-chrome.service

systemd/matrix-puppeteer-line.service

@@ -1,14 +1,18 @@
 [Unit]
-Description=Matrix-puppeteer-line bridge
-BindsTo=matrix-puppeteer-line-chrome.target
-After=matrix-puppeteer-line-chrome.target
+Description=matrix-puppeteer-line bridge
+BindsTo=matrix-puppeteer-line-chrome.service
+PartOf=matrix-puppeteer-line-chrome.service
+After=matrix-puppeteer-line-chrome.service
 
 [Service]
-; User=matrix-line
-; Group=matrix
-WorkingDirectory=/opt/synapse/bridges/matrix-puppeteer-line
-ExecStart=/opt/synapse/bridges/matrix-puppeteer-line/.venv/bin/python -m matrix_puppeteer_line
-RuntimeDirectory=matrix/puppeteer-line
+; User=matrix-puppeteer-line
+; Group=matrix-puppeteer-line
+WorkingDirectory=/opt/matrix-puppeteer-line
+ConfigurationDirectory=matrix-puppeteer-line
+RuntimeDirectory=matrix-puppeteer-line
+ExecStart=/opt/matrix-puppeteer-line/.venv/bin/python -m matrix_puppeteer_line -c ${CONFIGURATION_DIRECTORY}/config.yaml
+Restart=on-failure
+RestartSec=3
 
 [Install]
-WantedBy=multi-user.target
+WantedBy=multi-user.target