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Commit b074558f by e0d
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Merge pull request #741 from edx/e0d/commoncluster 

E0d/commoncluster
parents b82b0b54 308ad156
Showing with 256 additions and 516 deletions
cloudformation_templates/edx-reference-architecture.json
......@@ -62,29 +62,6 @@
],
"ConstraintDescription":"must be a valid EC2 instance type."
},
"ElasticsearchInstanceType":{
"Description":"Worker EC2 instance type",
"Type":"String",
"Default":"m1.small",
"AllowedValues":[
"t1.micro",
"m1.small",
"m1.medium",
"m1.large",
"m1.xlarge",
"m2.xlarge",
"m2.2xlarge",
"m2.4xlarge",
"m3.xlarge",
"m3.2xlarge",
"c1.medium",
"c1.xlarge",
"cc1.4xlarge",
"cc2.8xlarge",
"cg1.4xlarge"
],
"ConstraintDescription":"must be a valid EC2 instance type."
},
"ForumInstanceType":{
"Description":"Worker EC2 instance type",
"Type":"String",
......@@ -131,8 +108,8 @@
],
"ConstraintDescription":"must be a valid EC2 instance type."
},
"RabbitInstanceType":{
"Description":"RabbitMQ server EC2 instance type",
"CommonClusterInstanceType":{
"Description":"The instance type on which common, clustered applications, e.g., RabbitMQ and Elasticsearch are hosted.",
"Type":"String",
"Default":"m1.small",
"AllowedValues":[
......@@ -155,7 +132,7 @@
"ConstraintDescription":"must be a valid EC2 instance type."
},
"XserverInstanceType":{
"Description":"RabbitMQ server EC2 instance type",
"Description":"Xserver server EC2 instance type",
"Type":"String",
"Default":"m1.small",
"AllowedValues":[
......@@ -178,7 +155,7 @@
"ConstraintDescription":"must be a valid EC2 instance type."
},
"XqueueInstanceType":{
"Description":"RabbitMQ server EC2 instance type",
"Description":"Xqueue server EC2 instance type",
"Type":"String",
"Default":"m1.small",
"AllowedValues":[
......@@ -300,21 +277,16 @@
"Type":"Number",
"Default":"2"
},
"RabbitMQDesiredCapacity":{
"Description":"The Auto-scaling group desired capacity for the RabbitMQ hosts",
"CommonClusterDesiredCapacity":{
"Description":"The Auto-scaling group desired capacity for the CommonCluster hosts",
"Type":"Number",
"Default":"2"
"Default":"3"
},
"WorkerDesiredCapacity":{
"Description":"The Auto-scaling group desired capacity for the celery worker hosts",
"Type":"Number",
"Default":"2"
},
"ElasticsearchDesiredCapacity":{
"Description":"The Auto-scaling group desired capacity for the forums hosts",
"Type":"Number",
"Default":"2"
},
"ForumDesiredCapacity":{
"Description":"The Auto-scaling group desired capacity for the forums hosts",
"Type":"Number",
......@@ -465,8 +437,9 @@
"XServerJail02": { "CIDR":"10.0.21.0/24" },
"Xqueue01": { "CIDR":"10.0.30.0/24" },
"Xqueue02": { "CIDR":"10.0.31.0/24" },
"Rabbit01": { "CIDR":"10.0.40.0/24" },
"Rabbit02": { "CIDR":"10.0.41.0/24" },
"CommonCluster01": { "CIDR":"10.0.46.0/24"},
"CommonCluster02": { "CIDR":"10.0.47.0/24"},
"CommonCluster03": { "CIDR":"10.0.48.0/24"},
"Data01": { "CIDR":"10.0.50.0/24" },
"Data02": { "CIDR":"10.0.51.0/24" },
"Cache01": { "CIDR":"10.0.60.0/24" },
......@@ -478,8 +451,6 @@
"Mongo01": { "CIDR":"10.0.90.0/24" },
"Mongo02": { "CIDR":"10.0.91.0/24" },
"Mongo03": { "CIDR":"10.0.92.0/24" },
"Elasticsearch01": { "CIDR":"10.0.100.0/24" },
"Elasticsearch02": { "CIDR":"10.0.101.0/24" },
"Admin": { "CIDR":"10.0.200.0/24" }
},
"MapRegionsToAvailZones":{
......@@ -789,7 +760,7 @@
]
}
},
"RabbitSubnet01":{
"CommonClusterSubnet01":{
"Type":"AWS::EC2::Subnet",
"Properties":{
"VpcId":{
......@@ -798,7 +769,7 @@
"CidrBlock":{
"Fn::FindInMap":[
"SubnetConfig",
"Rabbit01",
"CommonCluster01",
"CIDR"
]
},
......@@ -812,7 +783,7 @@
"Tags":[
{
"Key":"play",
"Value":"rabbitmq"
"Value":"commoncluster"
},
{
"Key":"Network",
......@@ -826,7 +797,7 @@
"-",
{"Ref":"DeploymentTag"},
"-",
"internal-rabbit','target':'ec2'}"
"internal-commoncluster','target':'ec2'}"
]
]
}
......@@ -834,7 +805,7 @@
]
}
},
"RabbitSubnet02":{
"CommonClusterSubnet02":{
"Type":"AWS::EC2::Subnet",
"Properties":{
"VpcId":{
......@@ -843,7 +814,7 @@
"CidrBlock":{
"Fn::FindInMap":[
"SubnetConfig",
"Rabbit02",
"CommonCluster02",
"CIDR"
]
},
......@@ -857,7 +828,52 @@
"Tags":[
{
"Key":"play",
"Value":"rabbitmq"
"Value":"commoncluster"
},
{
"Key":"Network",
"Value":"Private"
},
{
"Key" : "immutable_metadata",
"Value":{"Fn::Join":["",
["{'purpose':'",
{"Ref":"EnvironmentTag"},
"-",
{"Ref":"DeploymentTag"},
"-",
"internal-commoncluster','target':'ec2'}"
]
]
}
}
]
}
},
"CommonClusterSubnet03":{
"Type":"AWS::EC2::Subnet",
"Properties":{
"VpcId":{
"Ref":"EdxVPC"
},
"CidrBlock":{
"Fn::FindInMap":[
"SubnetConfig",
"CommonCluster03",
"CIDR"
]
},
"AvailabilityZone":{
"Fn::FindInMap":[
"MapRegionsToAvailZones",
{ "Ref":"AWS::Region" },
"AZone2"
]
},
"Tags":[
{
"Key":"play",
"Value":"commoncluster"
},
{
"Key":"Network",
......@@ -871,7 +887,7 @@
"-",
{"Ref":"DeploymentTag"},
"-",
"internal-rabbit','target':'ec2'}"
"internal-commoncluster','target':'ec2'}"
]
]
}
......@@ -1187,96 +1203,6 @@
]
}
},
"ElasticsearchSubnet01":{
"Type":"AWS::EC2::Subnet",
"Properties":{
"VpcId":{
"Ref":"EdxVPC"
},
"CidrBlock":{
"Fn::FindInMap":[
"SubnetConfig",
"Elasticsearch01",
"CIDR"
]
},
"AvailabilityZone":{
"Fn::FindInMap":[
"MapRegionsToAvailZones",
{ "Ref":"AWS::Region" },
"AZone0"
]
},
"Tags":[
{
"Key":"Application",
"Value":"elasticsearch"
},
{
"Key":"Network",
"Value":"Private"
},
{
"Key" : "immutable_metadata",
"Value":{"Fn::Join":["",
["{'purpose':'",
{"Ref":"EnvironmentTag"},
"-",
{"Ref":"DeploymentTag"},
"-",
"internal-elasticsearch','target':'ec2'}"
]
]
}
}
]
}
},
"ElasticsearchSubnet02":{
"Type":"AWS::EC2::Subnet",
"Properties":{
"VpcId":{
"Ref":"EdxVPC"
},
"CidrBlock":{
"Fn::FindInMap":[
"SubnetConfig",
"Elasticsearch02",
"CIDR"
]
},
"AvailabilityZone":{
"Fn::FindInMap":[
"MapRegionsToAvailZones",
{ "Ref":"AWS::Region" },
"AZone1"
]
},
"Tags":[
{
"Key":"Application",
"Value":"elasticsearch"
},
{
"Key":"Network",
"Value":"Private"
},
{
"Key" : "immutable_metadata",
"Value":{"Fn::Join":["",
["{'purpose':'",
{"Ref":"EnvironmentTag"},
"-",
{"Ref":"DeploymentTag"},
"-",
"internal-elasticsearch','target':'ec2'}"
]
]
}
}
]
}
},
"ForumSubnet01":{
"Type":"AWS::EC2::Subnet",
"Properties":{
......@@ -1868,22 +1794,33 @@
}
}
},
"PrivateSubnetRouteTableAssociationRabbit01":{
"PrivateSubnetRouteTableAssociationCommonCluster01":{
"Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{
"SubnetId":{
"Ref":"CommonClusterSubnet01"
},
"RouteTableId":{
"Ref":"PrivateRouteTable"
}
}
},
"PrivateSubnetRouteTableAssociationCommonCluster02":{
"Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{
"SubnetId":{
"Ref":"RabbitSubnet01"
"Ref":"CommonClusterSubnet02"
},
"RouteTableId":{
"Ref":"PrivateRouteTable"
}
}
},
"PrivateSubnetRouteTableAssociationRabbit02":{
"PrivateSubnetRouteTableAssociationCommonCluster03":{
"Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{
"SubnetId":{
"Ref":"RabbitSubnet02"
"Ref":"CommonClusterSubnet03"
},
"RouteTableId":{
"Ref":"PrivateRouteTable"
......@@ -1978,28 +1915,6 @@
}
}
},
"PrivateSubnetRouteTableAssociationElasticsearch01":{
"Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{
"SubnetId":{
"Ref":"ElasticsearchSubnet01"
},
"RouteTableId":{
"Ref":"PrivateRouteTable"
}
}
},
"PrivateSubnetRouteTableAssociationElasticsearch02":{
"Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{
"SubnetId":{
"Ref":"ElasticsearchSubnet02"
},
"RouteTableId":{
"Ref":"PrivateRouteTable"
}
}
},
"PrivateSubnetRouteTableAssociationForum01":{
"Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{
......@@ -2164,22 +2079,33 @@
}
}
},
"PrivateSubnetNetworkAclAssociationRabbit01":{
"PrivateSubnetNetworkAclAssociationCommonCluster01":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{
"SubnetId":{
"Ref":"CommonClusterSubnet01"
},
"NetworkAclId":{
"Ref":"PrivateNetworkAcl"
}
}
},
"PrivateSubnetNetworkAclAssociationCommonCluster02":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{
"SubnetId":{
"Ref":"RabbitSubnet01"
"Ref":"CommonClusterSubnet02"
},
"NetworkAclId":{
"Ref":"PrivateNetworkAcl"
}
}
},
"PrivateSubnetNetworkAclAssociationRabbit02":{
"PrivateSubnetNetworkAclAssociationCommonCluster03":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{
"SubnetId":{
"Ref":"RabbitSubnet02"
"Ref":"CommonClusterSubnet03"
},
"NetworkAclId":{
"Ref":"PrivateNetworkAcl"
......@@ -2274,28 +2200,6 @@
}
}
},
"PrivateSubnetNetworkAclAssociationElasticsearch01":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{
"SubnetId":{
"Ref":"ElasticsearchSubnet01"
},
"NetworkAclId":{
"Ref":"PrivateNetworkAcl"
}
}
},
"PrivateSubnetNetworkAclAssociationElasticsearch02":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{
"SubnetId":{
"Ref":"ElasticsearchSubnet02"
},
"NetworkAclId":{
"Ref":"PrivateNetworkAcl"
}
}
},
"PrivateSubnetNetworkAclAssociationForum01":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{
......@@ -3649,12 +3553,15 @@
"Timeout":"1200"
}
},
"RabbitMQServer":{
"CommonClusterServer":{
"Type":"AWS::AutoScaling::LaunchConfiguration",
"Properties":{
"SecurityGroups":[
{
"Ref":"RabbitMQServerSecurityGroup"
},
{
"Ref":"ElasticsearchServerSecurityGroup"
}
],
"ImageId":{
......@@ -3667,7 +3574,7 @@
"Fn::FindInMap":[
"AWSInstanceType2Arch",
{
"Ref":"RabbitInstanceType"
"Ref":"CommonClusterInstanceType"
},
"Arch"
]
......@@ -3686,7 +3593,7 @@
"{\n",
" cfn-signal -e 1 -r \"$1\" '",
{
"Ref":"RabbitMQServerWaitHandle"
"Ref":"CommonClusterServerWaitHandle"
},
"'\n",
" exit 1\n",
......@@ -3699,7 +3606,7 @@
"# If all went well, signal success\n",
"cfn-signal -e $? -r 'Edx Server configuration' '",
{
"Ref":"RabbitMQServerWaitHandle"
"Ref":"CommonClusterServerWaitHandle"
},
"'\n"
]
......@@ -3710,7 +3617,7 @@
"Ref":"KeyName"
},
"InstanceType":{
"Ref":"RabbitInstanceType"
"Ref":"CommonClusterInstanceType"
},
"BlockDeviceMappings":[
{
......@@ -3728,35 +3635,44 @@
]
}
},
"RabbitMQServerASGroup":{
"CommonClusterServerASGroup":{
"Type":"AWS::AutoScaling::AutoScalingGroup",
"Properties":{
"AvailabilityZones":[
{
"Fn::GetAtt":[
"RabbitSubnet01",
"CommonClusterSubnet01",
"AvailabilityZone"
]
},
{
"Fn::GetAtt":[
"CommonClusterSubnet02",
"AvailabilityZone"
]
},
{
"Fn::GetAtt":[
"RabbitSubnet02",
"CommonClusterSubnet03",
"AvailabilityZone"
]
}
],
"VPCZoneIdentifier":[
{
"Ref":"RabbitSubnet01"
"Ref":"CommonClusterSubnet01"
},
{
"Ref":"CommonClusterSubnet02"
},
{
"Ref":"RabbitSubnet02"
"Ref":"CommonClusterSubnet03"
}
],
"Tags":[
{
"Key":"play",
"Value":"rabbitmq",
"Value":"commoncluster",
"PropagateAtLaunch":true
},
{
......@@ -3775,121 +3691,94 @@
}
],
"LaunchConfigurationName":{
"Ref":"RabbitMQServer"
"Ref":"CommonClusterServer"
},
"MinSize":{
"Ref":"RabbitMQDesiredCapacity"
"Ref":"CommonClusterDesiredCapacity"
},
"MaxSize":{
"Ref":"RabbitMQDesiredCapacity"
"Ref":"CommonClusterDesiredCapacity"
},
"DesiredCapacity":{
"Ref":"RabbitMQDesiredCapacity"
"Ref":"CommonClusterDesiredCapacity"
},
"LoadBalancerNames":[
{
"Ref":"RabbitMQELB"
}
]
}
},
"RabbitMQScaleUpPolicy":{
"Type":"AWS::AutoScaling::ScalingPolicy",
"Properties":{
"AdjustmentType":"ChangeInCapacity",
"AutoScalingGroupName":{
"Ref":"RabbitMQServerASGroup"
},
"Cooldown":"60",
"ScalingAdjustment":"1"
{
"Ref":"ElasticSearchELB"
}
},
"RabbitMQScaleDownPolicy":{
"Type":"AWS::AutoScaling::ScalingPolicy",
"Properties":{
"AdjustmentType":"ChangeInCapacity",
"AutoScalingGroupName":{
"Ref":"RabbitMQServerASGroup"
},
"Cooldown":"60",
"ScalingAdjustment":"-1"
]
}
},
"RabbitMQCPUAlarmHigh":{
"CommonClusterCPUAlarmHigh":{
"Type":"AWS::CloudWatch::Alarm",
"Properties":{
"AlarmDescription":"Scale-up if CPU > 90% for 10 minutes",
"AlarmDescription":"Alarm if CPU > 90% for 10 minutes",
"MetricName":"CPUUtilization",
"Namespace":"AWS/EC2",
"Statistic":"Average",
"Period":"300",
"EvaluationPeriods":"2",
"Threshold":"90",
"AlarmActions":[
{
"Ref":"RabbitMQScaleUpPolicy"
}
],
"AlarmActions":[],
"Dimensions":[
{
"Name":"AutoScalingGroupName",
"Value":{
"Ref":"RabbitMQServerASGroup"
"Ref":"CommonClusterServerASGroup"
}
}
],
"ComparisonOperator":"GreaterThanThreshold"
}
},
"RabbitMQCPUAlarmLow":{
"CommonClusterCPUAlarmLow":{
"Type":"AWS::CloudWatch::Alarm",
"Properties":{
"AlarmDescription":"Scale-down if CPU < 70% for 10 minutes",
"AlarmDescription":"Alarm if CPU < 70% for 10 minutes",
"MetricName":"CPUUtilization",
"Namespace":"AWS/EC2",
"Statistic":"Average",
"Period":"300",
"EvaluationPeriods":"2",
"Threshold":"70",
"AlarmActions":[
{
"Ref":"RabbitMQScaleDownPolicy"
}
],
"AlarmActions":[],
"Dimensions":[
{
"Name":"AutoScalingGroupName",
"Value":{
"Ref":"RabbitMQServerASGroup"
"Ref":"CommonClusterServerASGroup"
}
}
],
"ComparisonOperator":"LessThanThreshold"
}
},
"RabbitMQELB":{
"ElasticSearchELB":{
"Type":"AWS::ElasticLoadBalancing::LoadBalancer",
"Properties":{
"Scheme":"internal",
"SecurityGroups":[
{
"Ref":"RabbitMQELBSecurityGroup"
"Ref":"ElasticSearchELBSecurityGroup"
}
],
"Listeners":[
{
"LoadBalancerPort":"5672",
"InstancePort":"5672",
"LoadBalancerPort":"9200",
"InstancePort":"9200",
"Protocol":"TCP"
},
{
"LoadBalancerPort":"6163",
"InstancePort":"6163",
"LoadBalancerPort":"9300",
"InstancePort":"9300",
"Protocol":"TCP"
}
],
"HealthCheck":{
"Target":"TCP:5672",
"Target":"TCP:9200",
"HealthyThreshold":"3",
"UnhealthyThreshold":"5",
"Interval":"30",
......@@ -3897,10 +3786,122 @@
},
"Subnets":[
{
"Ref":"RabbitSubnet01"
"Ref":"CommonClusterSubnet01"
},
{
"Ref":"CommonClusterSubnet02"
},
{
"Ref":"RabbitSubnet02"
"Ref":"CommonClusterSubnet03"
}
]
}
},
"ElasticSearchELBSecurityGroup":{
"Type":"AWS::EC2::SecurityGroup",
"Properties":{
"GroupDescription":"Enable TCP access on elasticsearch ports",
"VpcId":{
"Ref":"EdxVPC"
},
"SecurityGroupIngress":[
{
"IpProtocol":"tcp",
"FromPort":"9200",
"ToPort":"9200",
"CidrIp":"10.0.0.0/16"
},
{
"IpProtocol":"tcp",
"FromPort":"9300",
"ToPort":"9300",
"CidrIp":"10.0.0.0/16"
}
],
"SecurityGroupEgress":[
{
"IpProtocol":"tcp",
"FromPort":"9200",
"ToPort":"9200",
"CidrIp":"10.0.0.0/16"
},
{
"IpProtocol":"tcp",
"FromPort":"9300",
"ToPort":"9300",
"CidrIp":"10.0.0.0/16"
}
]
}
},
"ElasticsearchServerSecurityGroup":{
"Type":"AWS::EC2::SecurityGroup",
"Properties":{
"GroupDescription":"Open up SSH access plus Edx Server required ports",
"VpcId":{
"Ref":"EdxVPC"
},
"SecurityGroupIngress":[
{
"IpProtocol":"tcp",
"FromPort":"22",
"ToPort":"22",
"CidrIp":{
"Ref":"SSHLocation"
}
},
{
"IpProtocol":"tcp",
"FromPort": 9200,
"ToPort": 9200,
"CidrIp":"10.0.0.0/16"
},
{
"IpProtocol":"tcp",
"FromPort": 9300,
"ToPort": 9300,
"CidrIp":"10.0.0.0/16"
}
]
}
},
"RabbitMQELB":{
"Type":"AWS::ElasticLoadBalancing::LoadBalancer",
"Properties":{
"Scheme":"internal",
"SecurityGroups":[
{
"Ref":"RabbitMQELBSecurityGroup"
}
],
"Listeners":[
{
"LoadBalancerPort":"5672",
"InstancePort":"5672",
"Protocol":"TCP"
},
{
"LoadBalancerPort":"6163",
"InstancePort":"6163",
"Protocol":"TCP"
}
],
"HealthCheck":{
"Target":"TCP:5672",
"HealthyThreshold":"3",
"UnhealthyThreshold":"5",
"Interval":"30",
"Timeout":"5"
},
"Subnets":[
{
"Ref":"CommonClusterSubnet01"
},
{
"Ref":"CommonClusterSubnet02"
},
{
"Ref":"CommonClusterSubnet03"
}
]
}
......@@ -4023,15 +4024,15 @@
]
}
},
"RabbitMQServerWaitHandle":{
"CommonClusterServerWaitHandle":{
"Type":"AWS::CloudFormation::WaitConditionHandle"
},
"RabbitMQServerWaitCondition":{
"CommonClusterServerWaitCondition":{
"Type":"AWS::CloudFormation::WaitCondition",
"DependsOn":"RabbitMQServer",
"DependsOn":"CommonClusterServer",
"Properties":{
"Handle":{
"Ref":"RabbitMQServerWaitHandle"
"Ref":"CommonClusterServerWaitHandle"
},
"Timeout":"1200"
}
......@@ -4781,267 +4782,6 @@
"Timeout":"1200"
}
},
"ElasticsearchServer":{
"Type":"AWS::AutoScaling::LaunchConfiguration",
"Properties":{
"SecurityGroups":[
{
"Ref":"ElasticsearchServerSecurityGroup"
}
],
"ImageId":{
"Fn::FindInMap":[
"AWSRegionArch2AMI",
{
"Ref":"AWS::Region"
},
{
"Fn::FindInMap":[
"AWSInstanceType2Arch",
{
"Ref":"ElasticsearchInstanceType"
},
"Arch"
]
}
]
},
"UserData":{
"Fn::Base64":{
"Fn::Join":[
"",
[
"#!/bin/bash -x\n",
"exec >> /home/ubuntu/cflog.log\n",
"exec 2>> /home/ubuntu/cflog.log\n",
"function error_exit\n",
"{\n",
" cfn-signal -e 1 -r \"$1\" '",
{
"Ref":"ElasticsearchServerWaitHandle"
},
"'\n",
" exit 1\n",
"}\n",
"for dev in /dev/xvdc /dev/xvdd; do sudo echo w | fdisk $dev; sudo mkfs -t ext4 $dev;done;\n",
"sudo mkdir /mnt/logs\n",
"sudo mount /dev/xvdc /mnt/logs\n",
"sudo mount /dev/xvdd /opt\n",
"apt-get -y update\n",
"apt-get -y install python-setuptools\n",
"echo \"Python Tools installed\" - `date` >> /home/ubuntu/cflog.txt\n",
"easy_install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n",
"echo \"Cloudformation Boostrap installed \" - `date` >> /home/ubuntu/cflog.txt\n",
"# If all went well, signal success\n",
"cfn-signal -e $? -r 'Edx Server configuration' '",
{
"Ref":"ElasticsearchServerWaitHandle"
},
"'\n"
]
]
}
},
"KeyName":{
"Ref":"KeyName"
},
"InstanceType":{
"Ref":"ElasticsearchInstanceType"
},
"BlockDeviceMappings":[
{
"DeviceName":"/dev/xvdc",
"Ebs":{
"VolumeSize":"50"
}
},
{
"DeviceName":"/dev/xvdd",
"Ebs":{
"VolumeSize":"50"
}
}
]
}
},
"ElasticsearchServerASGroup":{
"Type":"AWS::AutoScaling::AutoScalingGroup",
"Properties":{
"AvailabilityZones":[
{
"Fn::GetAtt":[
"ElasticsearchSubnet01",
"AvailabilityZone"
]
},
{
"Fn::GetAtt":[
"ElasticsearchSubnet02",
"AvailabilityZone"
]
}
],
"VPCZoneIdentifier":[
{
"Ref":"ElasticsearchSubnet01"
},
{
"Ref":"ElasticsearchSubnet02"
}
],
"Tags":[
{
"Key":"play",
"Value":"elasticsearch",
"PropagateAtLaunch":true
},
{
"Key":"environment",
"Value":{
"Ref":"EnvironmentTag"
},
"PropagateAtLaunch":true
},
{
"Key":"deployment",
"Value":{
"Ref":"DeploymentTag"
},
"PropagateAtLaunch":true
}
],
"LaunchConfigurationName":{
"Ref":"ElasticsearchServer"
},
"MinSize":{
"Ref":"ElasticsearchDesiredCapacity"
},
"MaxSize":{
"Ref":"ElasticsearchDesiredCapacity"
},
"DesiredCapacity":{
"Ref":"ElasticsearchDesiredCapacity"
}
}
},
"ElasticsearchServerScaleUpPolicy":{
"Type":"AWS::AutoScaling::ScalingPolicy",
"Properties":{
"AdjustmentType":"ChangeInCapacity",
"AutoScalingGroupName":{
"Ref":"ElasticsearchServerASGroup"
},
"Cooldown":"60",
"ScalingAdjustment":"1"
}
},
"ElasticsearchServerScaleDownPolicy":{
"Type":"AWS::AutoScaling::ScalingPolicy",
"Properties":{
"AdjustmentType":"ChangeInCapacity",
"AutoScalingGroupName":{
"Ref":"ElasticsearchServerASGroup"
},
"Cooldown":"60",
"ScalingAdjustment":"-1"
}
},
"ElasticsearchCPUAlarmHigh":{
"Type":"AWS::CloudWatch::Alarm",
"Properties":{
"AlarmDescription":"Scale-up if CPU > 90% for 10 minutes",
"MetricName":"CPUUtilization",
"Namespace":"AWS/EC2",
"Statistic":"Average",
"Period":"300",
"EvaluationPeriods":"2",
"Threshold":"90",
"AlarmActions":[
{
"Ref":"ElasticsearchServerScaleUpPolicy"
}
],
"Dimensions":[
{
"Name":"AutoScalingGroupName",
"Value":{
"Ref":"ElasticsearchServerASGroup"
}
}
],
"ComparisonOperator":"GreaterThanThreshold"
}
},
"ElasticsearchCPUAlarmLow":{
"Type":"AWS::CloudWatch::Alarm",
"Properties":{
"AlarmDescription":"Scale-down if CPU < 70% for 10 minutes",
"MetricName":"CPUUtilization",
"Namespace":"AWS/EC2",
"Statistic":"Average",
"Period":"300",
"EvaluationPeriods":"2",
"Threshold":"70",
"AlarmActions":[
{
"Ref":"ElasticsearchServerScaleDownPolicy"
}
],
"Dimensions":[
{
"Name":"AutoScalingGroupName",
"Value":{
"Ref":"ElasticsearchServerASGroup"
}
}
],
"ComparisonOperator":"LessThanThreshold"
}
},
"ElasticsearchServerSecurityGroup":{
"Type":"AWS::EC2::SecurityGroup",
"Properties":{
"GroupDescription":"Open up SSH access plus Edx Server required ports",
"VpcId":{
"Ref":"EdxVPC"
},
"SecurityGroupIngress":[
{
"IpProtocol":"tcp",
"FromPort":"22",
"ToPort":"22",
"CidrIp":{
"Ref":"SSHLocation"
}
},
{
"IpProtocol":"tcp",
"FromPort": 9200,
"ToPort": 9200,
"CidrIp":"0.0.0.0/0"
},
{
"IpProtocol":"tcp",
"FromPort": 9300,
"ToPort": 9300,
"CidrIp":"0.0.0.0/0"
}
]
}
},
"ElasticsearchServerWaitHandle":{
"Type":"AWS::CloudFormation::WaitConditionHandle"
},
"ElasticsearchServerWaitCondition":{
"Type":"AWS::CloudFormation::WaitCondition",
"DependsOn":"ElasticsearchServer",
"Properties":{
"Handle":{
"Ref":"ElasticsearchServerWaitHandle"
},
"Timeout":"1200"
}
},
"ForumServer":{
"Type":"AWS::AutoScaling::LaunchConfiguration",
"Properties":{
......
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