#  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:
  =: com.example.apache
  apps: io.murano.applications
  conf: io.murano.configuration
  res: io.murano.resources
  std: io.murano
  sys: io.murano.system


Name: BurstingApacheHttpServer

Extends:
  - apps:MultiServerApplicationWithScaling
  - apps:OpenStackSecurityConfigurable

Properties:
  enablePHP:
    Contract: $.bool()
    Default: false

Methods:
  getSecurityRules:
    Body:
      - Return:
          - ToPort: 80
            FromPort: 80
            IpProtocol: tcp
            External: true
          - ToPort: 443
            FromPort: 443
            IpProtocol: tcp
            External: true

  onInstallServer:
    Arguments:
      - server:
          Contract: $.class(res:Instance).notNull()
      - serverGroup:
          Contract: $.class(apps:ServerGroup).notNull()
    Body:
      - $file: sys:Resources.string('deployApache.sh')
      - conf:Linux.runCommand($server.agent, $file)
      - If: $this.enablePHP
        Then:
          - conf:Linux.runCommand($server.agent, "sudo apt-get -y install php5")

  onCompleteConfiguration:
    Arguments:
      - servers:
          Contract:
            - $.class(res:Instance).notNull()
      - serverGroup:
          Contract: $.class(apps:ServerGroup).notNull()
      - failedServers:
          Contract:
            - $.class(res:Instance).notNull()
    Body:
      - $ips: $serverGroup.getServers().selectMany(
          switch(
            $.assignFloatingIp => [$.floatingIpAddress],
            true => $.ipAddresses
          )).select(format('http://{0}', $)).join(', ')

      - $this.find(std:Environment).require().reporter.report($this, format('Apache is available at {0}', $ips))