Module: Enscalator::Plugins::ElasticsearchOpsworks

Includes:
Elb
Defined in:
lib/enscalator/plugins/elasticsearch_opsworks.rb

Overview

Elasticsearch related configuration

Instance Method Summary collapse

Methods included from Elb

#elb_init

Instance Method Details

#elasticsearch_init(app_name, ssh_key:, es_config: {}, os: 'Amazon Linux 2015.09', cookbook: 'https://github.com/en-japan-air/opsworks-elasticsearch-cookbook.git') ⇒ Object

Create Elasticsearch cluster using Opsworks

Parameters:

  • app_name (String) —

    application name

  • ssh_key (String) —

    name of the ssh key

  • os (String) (defaults to: 'Amazon Linux 2015.09') —

    base operating system

  • cookbook (String) (defaults to: 'https://github.com/en-japan-air/opsworks-elasticsearch-cookbook.git') —

    chef cookbook



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# File 'lib/enscalator/plugins/elasticsearch_opsworks.rb', line 13

def elasticsearch_init(app_name,
                       ssh_key:,
                       es_config: {},
                       os: 'Amazon Linux 2015.09',
                       cookbook: 'https://github.com/en-japan-air/opsworks-elasticsearch-cookbook.git')

  parameter "ES#{app_name}ChefCookbook",
            Default: cookbook,
            Description: 'GitURL',
            Type: 'String'

  parameter "ES#{app_name}InstanceDefaultOs",
            Default: os,
            Description: ['The stack\'s default operating system, which is installed',
                          'on every instance unless you specify a different',
                          'operating system when you create the instance.'].join(' '),
            Type: 'String'

  parameter "ES#{app_name}SshKeyName",
            Default: ssh_key,
            Description: 'SSH key name for EC2 instances.',
            Type: 'String'

  resource 'InstanceRole',
           Type: 'AWS::IAM::InstanceProfile',
           Properties: {
             Path: '/',
             Roles: [
               ref('OpsWorksEC2Role')
             ]
           }

  resource 'ServiceRole',
           Type: 'AWS::IAM::Role',
           Properties: {
             AssumeRolePolicyDocument: {
               Statement: [
                 {
                   Effect: 'Allow',
                   Principal: {
                     Service: [
                       'opsworks.amazonaws.com'
                     ]
                   },
                   Action: [
                     'sts:AssumeRole'
                   ]
                 }
               ]
             },
             Path: '/',
             Policies: [
               {
                 PolicyName: "#{app_name}-opsworks-service",
                 PolicyDocument: {
                   Statement: [
                     {
                       Effect: 'Allow',
                       Action: %w( ec2:* iam:PassRole cloudwatch:GetMetricStatistics elasticloadbalancing:* ),
                       Resource: '*'
                     }
                   ]
                 }
               }
             ]
           }

  resource 'OpsWorksEC2Role',
           Type: 'AWS::IAM::Role',
           Properties: {
             AssumeRolePolicyDocument: {
               Statement: [
                 {
                   Effect: 'Allow',
                   Principal: {
                     Service: [
                       'ec2.amazonaws.com'
                     ]
                   },
                   Action: [
                     'sts:AssumeRole'
                   ]
                 }
               ]
             },
             Path: '/',
             Policies: [
               {
                 PolicyName: "#{app_name}-opsworks-ec2-role",
                 PolicyDocument: {
                   Statement: [
                     {
                       Effect: 'Allow',
                       Action: %w(
                         ec2:DescribeInstances
                         ec2:DescribeRegions
                         ec2:DescribeSecurityGroups
                         ec2:DescribeTags
                         cloudwatch:PutMetricData),
                       Resource: '*'
                     }
                   ]
                 }
               }
             ]
           }

  instances_security_group = security_group_vpc("ES#{app_name}", 'so that ES cluster can find other nodes', vpc.id)

  ops_stack_name = "#{app_name}-ES"
  resource 'ESStack',
           Type: 'AWS::OpsWorks::Stack',
           Properties: {
             Name: ops_stack_name,
             VpcId: vpc.id,
             DefaultSubnetId: ref_resource_subnets.first,
             ConfigurationManager: {
               Name: 'Chef',
               Version: '12'
             },
             UseCustomCookbooks: 'true',
             CustomCookbooksSource: {
               Type: 'git',
               Url: ref("ES#{app_name}ChefCookbook")
             },
             DefaultOs: ref("ES#{app_name}InstanceDefaultOs"),
             DefaultRootDeviceType: 'ebs',
             DefaultSshKeyName: ref("ES#{app_name}SshKeyName"),
             CustomJson: {
               java: {
                 jdk_version: '8',
                 oracle: {
                   accept_oracle_download_terms: 'true'
                 },
                 accept_license_agreement: 'true',
                 install_flavor: 'oracle'
               },
               elasticsearch: {
                 plugins: [
                   'analysis-kuromoji',
                   'cloud-aws',
                   { name: 'elasticsearch-head', url: 'mobz/elasticsearch-head' }
                 ],
                 config: {
                   'cluster.name': "#{app_name}-elasticsearch",
                   'path.data': '/mnt/elasticsearch-data',
                   'path.logs': '/mnt/elasticsearch-data/logs/',
                   'network.bind_host': '0.0.0.0',
                   'network.publish_host': '_non_loopback_',
                   'index.routing.allocation.disable_allocation': 'false',
                   'cloud.aws.region': region,
                   discovery: {
                     type: 'ec2',
                     ec2: {
                       groups: [ref(instances_security_group)],
                       tag: {
                         'opsworks:stack': ops_stack_name
                       }
                     }
                   },
                   'cluster.routing.allocation.awareness.attributes': 'rack_id'
                 }.merge(es_config)
               }
             },
             ServiceRoleArn: {
               'Fn::GetAtt': %w(ServiceRole Arn)
             },
             DefaultInstanceProfileArn: {
               'Fn::GetAtt': %w(InstanceRole Arn)
             }
           }

  resource 'ESLayer',
           Type: 'AWS::OpsWorks::Layer',
           Properties: {
             StackId: ref('ESStack'),
             Name: 'Search',
             Type: 'custom',
             Shortname: 'search',
             CustomRecipes: {
               Setup: %w(apt ark java layer-custom::es-opsworks)
             },
             EnableAutoHealing: 'true',
             AutoAssignElasticIps: 'false',
             AutoAssignPublicIps: 'false',
             VolumeConfigurations: [
               {
                 MountPoint: '/mnt/elasticsearch-data',
                 NumberOfDisks: 1,
                 VolumeType: 'gp2',
                 Size: 100
               }
             ],
             CustomSecurityGroupIds: [
               {
                 'Fn::GetAtt': %W(#{instances_security_group} GroupId)
               },
               ref_private_security_group
             ]
           }

  resource 'ESMainInstance',
           Type: 'AWS::OpsWorks::Instance',
           Properties: {
             # EbsOptimized: true,          # Not available for m3.medium
             InstanceType: 'm3.medium',
             LayerIds: [ref('ESLayer')],
             StackId: ref('ESStack')
           }
end