120 lines
3.7 KiB
YAML
120 lines
3.7 KiB
YAML
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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Namespaces:
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=: io.murano.apps.apache
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std: io.murano
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res: io.murano.resources
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sys: io.murano.system
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Name: CassandraNode
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Extends: std:Application
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Properties:
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instance:
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Contract: $.class(res:Instance).notNull()
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Methods:
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.init:
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Body:
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- $._environment: $.find(std:Environment).require()
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- $.resources: new(sys:Resources)
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updateConfiguration:
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Arguments:
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- clusterName:
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Contract: $.string().notNull()
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- seedNodes:
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Contract: $.string().notNull()
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Body:
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# Listen address is internal (so it gets resolved by node itself correctly)
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- $listenAddress: $.instance.ipAddresses[0]
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- $template: $.resources.yaml('UpdateCassandraYaml.template').bind(dict(
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clusterName => $clusterName,
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seedNodes => $seedNodes,
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listenAddress => $listenAddress
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))
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- $msg: format('Updating Cassandra configuration at node "{0}"', $listenAddress)
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- $._environment.reporter.report($this, $msg)
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- $.instance.agent.call($template, $.resources)
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configureSecurityGroups:
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Body:
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# Based on Cassandra 2.1 defaults
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- $securityGroupIngress:
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# Cassandra JMX monitoring port
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- ToPort: 7199
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FromPort: 7199
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IpProtocol: tcp
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External: true
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# Cassandra inter-node cluster communication
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- ToPort: 7000
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FromPort: 7000
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IpProtocol: tcp
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External: true
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# Cassandra SSL inter-node cluster communication
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- ToPort: 7001
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FromPort: 7001
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IpProtocol: tcp
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External: true
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# Cassandra client port (Thrift)
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- ToPort: 9160
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FromPort: 9160
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IpProtocol: tcp
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External: true
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# Cassandra client port
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- ToPort: 9042
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FromPort: 9042
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IpProtocol: tcp
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External: true
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- $._environment.securityGroupManager.addGroupIngress($securityGroupIngress)
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spawnInstance:
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Body:
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- $msg: format('Creating a VM for Cassandra node "{0}"', $.instance.name)
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- $._environment.reporter.report($this, $msg)
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- $.configureSecurityGroups()
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- $.instance.deploy()
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- $address: $.instance.ipAddresses[0]
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- $._environment.reporter.report($this, 'Instance "{0}" is created'.format($address))
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deployInstance:
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Body:
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- If: not $.getAttr(deployed, false)
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Then:
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- $address: $.instance.ipAddresses[0]
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- $._environment.reporter.report($this, 'Deploying Cassandra node "{0}"'.format($address))
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- $template: $.resources.yaml('DeployCassandra.template')
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- $.instance.agent.call($template, $.resources)
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- $.setAttr(deployed, true)
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getInternalIp:
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Body:
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- Return: $.instance.ipAddresses[0]
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## Restarts an existing Cassandra after given delay (in seconds)
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restartCassandra:
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Arguments:
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- delay:
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Contract: $.int().notNull()
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Body:
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- $msg: format('Restarting Cassandra node "{0}"', $.instance.name)
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- $._environment.reporter.report($this, $msg)
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- $template: $.resources.yaml('RestartCassandra.template').bind(dict(
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delay => $delay
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))
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- $.instance.agent.call($template, $.resources)
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