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74 lines
2.3 KiB
74 lines
2.3 KiB
const Directive = require('flitter-cli/Directive')
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const path = require('path')
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class Rollcall extends Directive {
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static get services() {
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return [...super.services, 'configs', 'hosts']
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}
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static options() {
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return [
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'--hosts -h {host file} | path to the host definition file'
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]
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}
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static name() {
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return 'rollcall'
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}
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static help() {
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return 'Ping the configured hosts to determine if we can access them'
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}
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async handle(app, argv) {
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const host_path = this.option('hosts')
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if ( host_path ) {
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try {
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// Override the host config externally
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const host_conf = require(path.resolve(host_path))
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if (typeof host_conf === 'object') {
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this.configs.canonical_items.hosts = host_conf
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this.info('Loaded host definition file.')
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} else {
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this.error('Invalid host definition file!')
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}
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} catch (e) {
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this.error('Invalid host definition file!')
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this.output.debug(e)
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}
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}
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const successes = []
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const failures = []
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const host_config = this.configs.get('hosts')
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const hostnames = Object.keys(host_config)
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for ( const name of hostnames ) {
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this.info(`Pinging ${name}...`)
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try {
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const host = this.hosts.get(name)
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const is_alive = await host.is_alive()
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if ( !is_alive ) {
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failures.push(name)
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this.error('Unable to ping host and verify execution.')
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} else {
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successes.push(name)
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this.success('Connected to host and verified execution.')
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}
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} catch(e) {
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failures.push(name)
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this.error('Unable to ping host and verify execution.')
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this.output.debug(e)
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}
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}
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this.hosts.close()
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this.info(`Successfully pinged ${successes.length} host(s).`)
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if ( failures.length > 0 ) this.info(`Unable to ping ${failures.length} host(s): ${failures.join(', ')}`)
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}
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}
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module.exports = exports = Rollcall
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