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https://github.com/ivuorinen/sysvinit-service-generator.git
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src/App.vue
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187
src/App.vue
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<script setup lang="ts">
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import { ref, watch } from 'vue'
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let service = defineModel('service', { default: 'my-service' })
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let description = defineModel('description', { default: 'This command does something' })
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let username = defineModel('username', { default: 'root' })
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let command = defineModel('command', { default: '/usr/local/bin/command' })
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let servicePath = ref('/etc/init.d/' + service.value )
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let logRotatePath = ref('/etc/logrotate.d/' + service.value)
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let shellCommands = ref(`sudo chmod +x ${servicePath.value} && sudo update-rc.d ${service.value} defaults`)
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let serviceTemplateString = `#!/usr/bin/env sh
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### BEGIN INIT INFO
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# Provides: <NAME>
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# Required-Start: $local_fs $network $named $time $syslog
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# Required-Stop: $local_fs $network $named $time $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Description: <DESCRIPTION>
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### END INIT INFO
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SCRIPT="<COMMAND>"
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RUNAS=<USERNAME>
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PIDFILE=/var/run/<NAME>.pid
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LOGFILE=/var/log/<NAME>.log
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start() {
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if [ -f $PIDFILE ] && [ -s $PIDFILE ] && kill -0 $(cat $PIDFILE); then
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echo "Service already running" >&2
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return 1
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fi
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echo 'Starting service...' >&2
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local CMD="$SCRIPT &> \\"$LOGFILE\\" & echo \\$!"
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su -c "$CMD" $RUNAS > "$PIDFILE"
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# Try with this command instead if above does not work
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# su -s /bin/sh $RUNAS -c "$CMD" > "$PIDFILE"
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sleep 2
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PID=$(cat $PIDFILE)
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if pgrep -u $RUNAS -f $NAME > /dev/null
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then
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echo "$NAME is now running, the PID is $PID"
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else
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echo ''
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echo "Error! Could not start $NAME!"
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fi
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}
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stop() {
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if [ ! -f "$PIDFILE" ] || ! kill -0 $(cat "$PIDFILE"); then
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echo 'Service not running' >&2
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return 1
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fi
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echo 'Stopping service...' >&2
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kill -15 $(cat "$PIDFILE") && rm -f "$PIDFILE"
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echo 'Service stopped' >&2
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}
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uninstall() {
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echo -n "Are you really sure you want to uninstall this service? That cannot be undone. [yes|No] "
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local SURE
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read SURE
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if [ "$SURE" = "yes" ]; then
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stop
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rm -f "$PIDFILE"
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echo "Notice: log file was not removed: $LOGFILE" >&2
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update-rc.d -f $NAME remove
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rm -fv "$0"
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else
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echo "Abort!"
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fi
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}
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status() {
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printf "%-50s" "Checking <NAME>..."
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if [ -f $PIDFILE ] && [ -s $PIDFILE ]; then
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PID=$(cat $PIDFILE)
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if [ -z "$(ps axf | grep \${PID} | grep -v grep)" ]; then
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printf "%s\\n" "The process appears to be dead but pidfile still exists"
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else
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echo "Running, the PID is $PID"
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fi
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else
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printf "%s\\n" "Service not running"
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fi
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}
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case "$1" in
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start)
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start
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;;
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stop)
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stop
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;;
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status)
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status
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;;
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uninstall)
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uninstall
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;;
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restart)
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stop
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start
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;;
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*)
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echo "Usage: $0 {start|stop|status|restart|uninstall}"
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esac
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`
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let logRotateString = `/var/log/<NAME>.log {
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rotate 4
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weekly
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missingok
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notifempty
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compress
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delaycompress
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}`
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let serviceTemplate = serviceTemplateString
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.replace(/<NAME>/g, service.value)
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.replace(/<DESCRIPTION>/g, description.value)
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.replace(/<USERNAME>/g, username.value)
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.replace(/<COMMAND>/g, command.value)
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let logRotate = logRotateString.replace(/<NAME>/g, service.value)
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watch([service, description, username, command], ([newService, newDescription, newUsername, newCommand]) => {
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serviceTemplate = serviceTemplateString
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.replace(/<NAME>/g, newService)
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.replace(/<DESCRIPTION>/g, newDescription)
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.replace(/<USERNAME>/g, newUsername)
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.replace(/<COMMAND>/g, newCommand)
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servicePath.value = '/etc/init.d/' + newService
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logRotate = logRotateString.replace(/<NAME>/g, newService)
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logRotatePath.value = '/etc/logrotate.d/' + newService
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shellCommands.value = `sudo chmod +x ${servicePath.value} && sudo update-rc.d ${newService} defaults`
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})
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</script>
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<template>
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<header>
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<h1 class="green">sysvinit service generator</h1>
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<label>
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Service name:
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<input type="text" minlength="1" v-model="service" />
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</label>
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<label>
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Description:
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<input type="text" minlength="1" v-model="description" />
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</label>
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<label>
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Run as user:
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<input type="text" minlength="1" v-model="username" />
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</label>
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<label>
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Command:
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<input type="text" minlength="1" v-model="command" />
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</label>
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</header>
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<main>
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<h3>Generated service script:</h3>
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<div>Path: <code>{{ servicePath }}</code></div>
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<textarea style="height: 400px" v-text="serviceTemplate"></textarea>
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<details>
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<summary>Logrotate</summary>
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<div>Path: <code>{{ logRotatePath }}</code></div>
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<textarea class="just-right noresize" v-text="logRotate"></textarea>
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</details>
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<details>
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<summary>Shell commands to run</summary>
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<textarea class="just-right noresize" v-text="shellCommands"></textarea>
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</details>
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</main>
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<footer>
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<p>Created by <a href="https://github.com/ivuorinen">@ivuorinen</a> from Tampere, Finland</p>
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</footer>
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</template>
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