#  Licensed under the Apache License, Version 2.0 (the "License"); you may
#  not use this file except in compliance with the License. You may obtain
#  a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#  License for the specific language governing permissions and limitations
#  under the License.

Namespaces:
  =: org.openstack.ci_cd_pipeline_murano_app.puppet
  conf: io.murano.configuration
  sys: io.murano.system
  net: org.openstack.ci_cd_pipeline_murano_app.puppet.net

Name: PuppetServer

Properties:
  masterInstance:
    Contract: $.class(PuppetInstance).notNull()

  clients:
    Contract:
      - $.class('org.openstack.ci_cd_pipeline_murano_app.puppet.PuppetClient')
    Usage: Out
    Default: []

  manifest:
    Contract: $.string().notNull()

  _hosts:
    Contract: $.class(net:Hosts)
    Usage: Out

Methods:
  .init:
    Body:
      - $this.hosts: new(net:Hosts)

  configure:
    Body:
      - $this._configureHosts()

      - $this._installPuppetModules()

      - $data: dict('environment:production:manifest' => $this.manifest)
      - $this.masterInstance.putHieraData($data)

      - $resources: new(sys:Resources)
      - $this.masterInstance.applyManifest(
          $resources.string('scripts/server/puppet_server.pp'))

      - $this.clients.pselect($.configure())

      - $this.clients.pselect($.testRun())
      # sign obtained requests
      - $this.clients.pselect($this.signClientCertificate($.role))

  _configureHosts:
    Body:
      - $this._hosts: new(net:Hosts)
      - $this._hosts.addHostByInstance($this.masterInstance, 'puppet')
      - $this.clients.pselect(
          $this._hosts.addHostByInstance($.instance, $.role))
      - $this._hosts.applyTo($this.masterInstance)
      - $this.clients.pselect($this._hosts.applyTo($.instance))

  addClient:
    Arguments:
      - client:
          Contract: $.class(PuppetClient).notNull()
    Body:
      - $this.clients: $this.clients.append($client)


  #
  # Sign client's certificate request
  #
  signClientCertificate:
    Arguments:
      - name:
          Contract: $.string()
    Body:
      # sign cerificate or check it signed erlier
      # in case of redeploying
      - $res: new(conf:Linux).runCommand(
          $this.masterInstance.agent,
          'puppet cert sign {0} || puppet cert verify {0}'.format($name)).stdout

      - Return: $res

  #
  # Install all modules on every instance
  #
  _installPuppetModules:
    Body:
      - $modules:
          - 'puppetlabs-vcsrepo'
          - 'theforeman-git'
          - 'theforeman-puppet'

      - $this.clients.select($.instance).append($this.masterInstance).selectMany(
            let(x => $) -> $modules.select(
              {instance => $x, module => $}))
          .select( $.instance.installPuppetModule($.module))

  installDependencies:
    Arguments:
      - environment:
          Contract: $.string().notNull()
      - puppetfileLink:
          Contract: $.string().notNull()
    Body:
      - $resources: new(sys:Resources)
      - $template: $resources.yaml('InstallDependencies.template').bind(dict(
          environment => $environment,
          puppetfile => $puppetfileLink))
      - Return: $this.masterInstance.agent.call($template, $resources)

  runPuppetAgents:
    Body:
      - $this.clients.select($.runPuppetAgent())