guvnor/lib/cli/Apps.js

A node process manager that isn't spanners all the way down

var Autowire = require('wantsit').Autowire
var util = require('util')
var Actions = require('./Actions')
var Table = require('./Table')
var OutputBuffer = require('output-buffer')

var Apps = function () {
  Actions.call(this)

  this._user = Autowire
  this._processes = Autowire
}
util.inherits(Apps, Actions)

Apps.prototype.installApplication = function (url, name, options) {
  this._do(options, function (guvnor) {
    var user = options.user || this._user.name

    var infoBuffer = new OutputBuffer(console.info)
    var errorBuffer = new OutputBuffer(function (line) {
      console.error(line.red)
    })

    guvnor.deployApplication(name, url, user, infoBuffer.append.bind(infoBuffer), errorBuffer.append.bind(errorBuffer), function (error) {
      infoBuffer.flush()
      errorBuffer.flush()

      if (error) {
        throw error
      }

      guvnor.disconnect()
    })
  }.bind(this))
}

Apps.prototype.listApplications = function (options) {
  this._do(options, function (guvnor) {
    guvnor.listApplications(function (error, deployedApplications) {
      if (error) {
        throw error
      }

      var table = new Table('No applications have been installed')
      table.addHeader(['Name', 'User', 'Ref', 'URL'])

      deployedApplications.forEach(function (app) {
        table.addRow([app.name, app.user, app.ref, app.url.grey])
      })

      table.print(console.info)

      guvnor.disconnect()
    })
  })
}

Apps.prototype.removeApplication = function (name, options) {
  this._do(options, function (guvnor) {
    guvnor.removeApplication(name, function (error) {
      if (error) {
        throw error
      }

      guvnor.disconnect()
    })
  })
}

Apps.prototype.runApplication = function (name, ref, options) {
  ref = ref || 'master'

  this._do(options, function (guvnor) {
    guvnor.switchApplicationRef(name, ref, console.info, console.error, function (error, applicationInfo) {
      if (error) {
        throw error
      }

      options.name = name
      options.app = applicationInfo.id

      this._processes.start(applicationInfo.path, options)
    }.bind(this))
  }.bind(this))
}

Apps.prototype.listRefs = function (name, options) {
  this._do(options, function (guvnor) {
    guvnor.listApplicationRefs(name, function (error, refs) {
      if (error) {
        throw error
      }

      var table = new Table(name + ' has no refs')
      table.addHeader(['Name', 'Commit'])

      refs.forEach(function (ref) {
        table.addRow([(ref.isTag ? ref.name.cyan : ref.name), ref.commit.grey])
      })

      table.print(console.info)

      guvnor.disconnect()
    })
  })
}

Apps.prototype.updateRefs = function (name, options) {
  this._do(options, function (guvnor) {
    var infoBuffer = new OutputBuffer(console.info)
    var errorBuffer = new OutputBuffer(function (line) {
      console.error(line.red)
    })

    guvnor.updateApplicationRefs(name, infoBuffer.append.bind(infoBuffer), errorBuffer.append.bind(errorBuffer), function (error) {
      infoBuffer.flush()
      errorBuffer.flush()

      if (error) {
        throw error
      }

      guvnor.disconnect()
    })
  })
}

Apps.prototype.setRef = function (name, ref, options) {
  this._do(options, function (guvnor) {
    var infoBuffer = new OutputBuffer(console.info)
    var errorBuffer = new OutputBuffer(function (line) {
      console.error(line.red)
    })

    guvnor.switchApplicationRef(name, ref, infoBuffer.append.bind(infoBuffer), errorBuffer.append.bind(errorBuffer), function (error) {
      infoBuffer.flush()
      errorBuffer.flush()

      if (error) {
        throw error
      }

      guvnor.disconnect()
    })
  })
}

Apps.prototype.currentRef = function (name, options) {
  this._do(options, function (guvnor) {
    guvnor.currentRef(name, function (error, ref) {
      if (error) {
        throw error
      }

      console.info(ref)
      guvnor.disconnect()
    })
  })
}

module.exports = Apps