#  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.mirantis.docker.kubernetes
  std: io.murano
  res: io.murano.resources
  sys: io.murano.system

Name: KubernetesGatewayNode

Extends: KubernetesNode

Methods:
  .init:
    Body:
      - $._environment: $.find(std:Environment).require()
      - $._cluster: $.find(KubernetesCluster).require()

  deployInstance:
    Body:
      - If: not $.getAttr(instanceDeployed, false)
        Then:
          - $._environment.reporter.report($this, 'Creating Gateway node for Kubernetes services')
          - super($, $.deployInstance())
          - $.setAttr(instanceDeployed, true)

  setupEtcd:
    Body:
      - If: not $.getAttr(etcdConfigured, false)
        Then:
          - $._environment.reporter.report($, 'Configuring etcd node {0}'.format($.instance.name))
          - $resources: new(sys:Resources)
          - $template: $resources.yaml('EtcdAddMember.template').bind(dict(
                name => $.instance.name,
                ip => $.getIp()
              ))
          - $clusterConfig: $._cluster.masterNode.instance.agent.call($template, $resources)

          - $template: $resources.yaml('MemberEtcdSetup.template').bind(dict(
                name => $.instance.name,
                ip => $.getIp(),
                clusterConfig => $clusterConfig
              ))
          - $.instance.agent.call($template, $resources)
          - $.setAttr(etcdConfigured, true)


  setupCalico:
    Body:
      - If: not $.getAttr(calicoSetup, false)
        Then:
          - $._environment.reporter.report($this, 'Setup Calico network on gateway node {0}'.format($.instance.name))
          - $resources: new(sys:Resources)
          - $template: $resources.yaml('SetupCalicoNode.template').bind(dict(
                ip => $.getIp(),
                masterIp => $._cluster.masterNode.getIp()
                ))
          - $.instance.agent.call($template, $resources)
          - $._enableCalicoTraffic()
          - $.setAttr(calicoSetup, true)



  setupFlannel:
    Body:
      - If: not $.getAttr(flannelSetup, false)
        Then:
          - $._environment.reporter.report($this, 'Setup Flannel network on gateway node {0}'.format($.instance.name))
          - $resources: new(sys:Resources)
          - $template: $resources.yaml('SetupFlannelNode.template')
          - $.instance.agent.call($template, $resources)
          - $.setAttr(flannelSetup, true)


  setupNode:
    Body:
      - If: not $.getAttr(nodeConfigured, false)
        Then:
          - $resources: new(sys:Resources)
          - $._environment.reporter.report($, 'Setup Load Balancer on {0}'.format($.instance.name))
          - $template: $resources.yaml('HAProxySetup.template').bind(dict(
                masterIp => $._cluster.masterNode.getIp()
              ))
          - $.instance.agent.call($template, $resources)
          - $._environment.reporter.report(
                $this, 'Gateway {0} is now available at {1}'.format($.instance.name, $.getIp(true)))
          - $.setAttr(nodeConfigured, true)


  removeFromCluster:
    Body:
      - If: $.getAttr(nodeConfigured, false)
        Then:
          - $._environment.reporter.report($this, 'Deleting Gateway Node')
          - $resources: new(sys:Resources)
          - $template: $resources.yaml('EtcdRemoveMember.template').bind(dict(
                nodeId => $.getIp()
              ))
          - $.instance.agent.call($template, $resources)
          - $ip: $.getIp(true)
          - $.instance.releaseResources()
          - $._environment.reporter.report($this, 'Gateway {0} at {1} was deleted'.format($.instance.name, $ip))
          - $.setAttr(nodeConfigured, false)
          - $.setAttr(etcdConfigured, false)
          - $.setAttr(instanceDeployed, false)