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112 lines
3.0 KiB
112 lines
3.0 KiB
const { Injectable } = require('flitter-di')
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class ServiceConfig extends Injectable {
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static get services() {
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return [...super.services, 'utility']
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}
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_data = {
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after: ['syslog.target', 'network.target'],
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type: 'simple',
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restart: 'always',
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restart_after: '2s',
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install_to: 'multi-user.target',
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}
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name(set) { return this._get_or_set('name', set) }
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description(set) { return this._get_or_set('description', set) }
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after(set) { return this._get_or_set('after', set, true) }
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restart(set) { return this._get_or_set('restart', set) }
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restart_after(set) { return this._get_or_set('restart_after', set) }
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type(set) { return this._get_or_set('type', set) }
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user(set) { return this._get_or_set('user', set) }
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group(set) { return this._get_or_set('group', set) }
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directory(set) { return this._get_or_set('directory', set) }
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execute(set) { return this._get_or_set('execute', set) }
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env(set) { return this._get_or_set('env', set) }
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install_to(set) { return this._get_or_set('install_to', set) }
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_export() {
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return this.utility.deep_copy(this._data)
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}
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_build() {
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this._validate()
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const lines = []
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lines.push('[Unit]')
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if ( this.description() ) lines.push(`Description=${this.description()}`)
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if ( this.after() ) {
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for ( const item of this.after() ) {
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lines.push(`After=${item}`)
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}
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}
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lines.push('\n[Service]')
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if ( this.restart() ) {
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lines.push(`Restart=${this.restart()}`)
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if ( this.restart_after() ) {
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lines.push(`RestartSec=${this.restart_after()}`)
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}
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}
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if ( this.user() ) {
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lines.push(`User=${this.user()}`)
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}
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if ( this.group() ) {
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lines.push(`Group=${this.group()}`)
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}
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if ( this.directory() ) {
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lines.push(`WorkingDirectory=${this.directory()}`)
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}
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if ( this.execute() ) {
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lines.push(`ExecStart=${this.execute()}`)
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}
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if ( this.env() ) {
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lines.push(`Environment=${this.env()}`)
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}
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if ( this.install_to() ) {
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lines.push('\n[Install]')
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lines.push(`WantedBy=${this.install_to()}`)
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}
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return lines.join('\n')
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}
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_validate() {
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const required_fields = ['name', 'description', 'after', 'type', 'user', 'group', 'directory', 'execute']
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for ( const field of required_fields ) {
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if ( !this[field]() ) throw new Error(`Missing required service config field: ${field}`)
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}
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}
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_get_or_set(field, value, arr = false) {
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if ( value ) {
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if ( arr ) {
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if ( !this._data[field] ) this._data[field] = []
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this._data[field].push(value)
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} else this._data[field] = value
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return this
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}
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return this._data[field]
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}
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}
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module.exports = exports = ServiceConfig
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