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

Name: KubernetesMinionNode

Extends: KubernetesNode

Properties:
  exposeCAdvisor:
    Contract: $.bool().notNull()
    Default: false


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


  deployInstance:
    Body:
      - If: not $.getAttr(instanceDeployed, false)
        Then:
          - $._environment.reporter.report($this, 'Creating Kubernetes Node {0}'.format($.instance.name))
          - $.super($.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)


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

          - $securityGroupIngress:
              - ToPort: 4194
                FromPort: 4194
                IpProtocol: tcp
                External: $.exposeCAdvisor
          - $._environment.securityGroupManager.addGroupIngress($securityGroupIngress)

          - $._environment.reporter.report($, 'Setup Kubernetes Minion on {0}'.format($.instance.name))
          - $template: $resources.yaml('KubeMinionSetup.template').bind(dict(
                name => $.instance.name,
                ip => $.getIp(),
                masterIp => $._cluster.masterNode.getIp(),
                dockerRegistry => $._cluster.dockerRegistry
              ))
          - $.instance.agent.call($template, $resources)
          - $._registerNode()
          - $.setAttr(nodeConfigured, true)
          - $msg: 'cAdvisor monitoring for Node {0} is now available at http://{1}:4194'
          - $ip: $.getIp()
          - If: $.exposeCAdvisor
            Then:
              - $ip: coalesce($.instance.floatingIpAddress, $.getIp())
          - $._environment.reporter.report($this, $msg.format($.instance.name, $ip))


  _registerNode:
    Body:
      - $nodeDefinition:
          kind: Node
          apiVersion: v1beta3
          metadata:
            name: $.getIp()
            labels:
              name: $.instance.name
          spec:
            externalID: $.id()
            status:
              capacity:
                cpu: 200
                memory: 4145438720

      - $resources: new(sys:Resources)
      - $template: $resources.yaml('KubeRegisterNode.template').bind(dict(
            nodeDefinition => $nodeDefinition
          ))
      - $._cluster.masterNode.instance.agent.call($template, $resources)


  removeFromCluster:
    Body:
      - If: $.getAttr(nodeConfigured, false)
        Then:
          - $._environment.reporter.report($this, 'Deleting Kubernetes Minion')
          - $resources: new(sys:Resources)
          - $template: $resources.yaml('RemoveMinion.template').bind(dict(
                nodeId => $.getIp()
              ))
          - $._cluster.masterNode.instance.agent.call($template, $resources)
          - $._environment.reporter.report($this, 'Node {0} deleted'.format($.instance.name))
          - $.setAttr(nodeConfigured, false)