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Rajendra kalvaRajendra kalva
Rajendra kalva
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Rajendra kalva
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template to buils cassandra stack
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‎README.md

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# cassandra
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templates for cassandra
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Examples:
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```
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./deploy_template.sh aws-stack-cassandra cfn/template_cassandra.json params/params.json us-east-1
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```
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```
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./build.sh
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```
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```
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./teardown.sh
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```

‎build.sh

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./deploy_template.sh $stack_name $template $parameter_file

‎cfn/template_cassandra.json

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{
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "cassandra Template",
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"Mappings":{
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"AccountMap": {
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"325426749784": {
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"AlertNotifyEmail": "ecom-sbx-us-east-1@target.com",
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"Environment": "Dev",
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"ELBName": "ddn-cassandra-dev",
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"NotificationTopic":"",
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"AvailabilityZones":["us-east-1e","us-east-1d","us-east-1b","us-east-1a"],
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"Subnets":[""],
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"ChefServer":"",
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"DatabagSecretURL":"",
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"ValidationPEMURL":"",
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"IAMProfile":"",
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"ChefEnvironment":"",
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"KeyPair":""
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},
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"562186926922": {
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"AlertNotifyEmail": "",
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"Environment": "Dev",
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"ELBName": "",
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"NotificationTopic":"",
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"AvailabilityZones":["us-west-2a","us-west-2b","us-west-2c"],
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"Subnets":[""],
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"ChefServer":"",
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"DatabagSecretURL":"",
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"ValidationPEMURL":"",
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"IAMProfile":"",
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"ChefEnvironment":"",
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"KeyPair":""
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},
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"714815996242":{
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"AlertNotifyEmail": "",
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"Environment": "Npe",
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"ELBName": "",
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"NotificationTopic":"",
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"AvailabilityZones":["us-east-1e","us-east-1d","us-east-1b","us-east-1a"],
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"Subnets":[""],
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"ChefServer":"",
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"DatabagSecretURL":"",
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"ValidationPEMURL":"",
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"ChefEnvironment":"csp1_stage_e1",
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"IAMProfile":"",
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"KeyPair":""
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},
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"942508335643":{
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"AlertNotifyEmail": "",
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"Environment": "Npe",
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"ELBName": "",
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"NotificationTopic":"",
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"AvailabilityZones":["us-west-2a","us-west-2b","us-west-2c"],
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"Subnets":[""],
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"ChefServer":"",
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"DatabagSecretURL":"",
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"ValidationPEMURL":"",
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"ChefEnvironment":"",
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"IAMProfile":"",
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"KeyPair":""
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},
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"136043882679":{
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"AlertNotifyEmail": "",
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"Environment": "Prod",
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"ELBName": "",
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"NotificationTopic":"",
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"AvailabilityZones":["us-east-1a","us-east-1b","us-east-1c","us-east-1e"],
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"Subnets":[""],
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"ChefServer":"",
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"DatabagSecretURL":"",
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"ValidationPEMURL":"",
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"ChefEnvironment":"",
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"IAMProfile":"",
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"KeyPair":""
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},
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"402148488131":{
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"AlertNotifyEmail": "",
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"Environment": "Prod",
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"ELBName": "",
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"NotificationTopic":"",
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"AvailabilityZones":["us-west-2a","us-west-2b","us-west-2c"],
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"Subnets":[""],
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"ChefServer":"",
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"DatabagSecretURL":"",
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"ValidationPEMURL":"",
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"ChefEnvironment":"",
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"IAMProfile":"",
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"KeyPair":""
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}
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}
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},
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"Parameters": {
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"InstanceType": {
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"Description": "Instance type for application server",
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"Type": "String",
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"Default": "i2.2xlarge",
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"AllowedValues": [
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"i2.2xlarge"
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]
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},
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"ComponentName": {
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"Description": "Application Name",
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"Type": "String",
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"AllowedValues": ["cassandra"]
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},
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"LogWatchLogGroup" : {
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"Description" : ":Log watch IAM group",
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"Type" : "String",
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"Default" : "$region.params.logWatchLogGroup"
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},
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"LogWatchStream" : {
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"Description" : ":Log watch log streamName",
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"Type" : "String",
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"Default" : "varlogboot"
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},
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"LogWatchLogFile" : {
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"Description" : ":Log watch IAM group",
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"Type" : "String",
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"Default" : "/var/log/boot.log"
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},
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"AutoscalingMinSize": {
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"Description": "Min Size of Autoscaling Group",
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"Type": "String",
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"Default": "6"
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},
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"AutoscalingMaxSize": {
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"Description": "Max Size of Autoscaling Group",
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"Type": "String",
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"Default": "6"
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},
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"AutoscalingDesiredSize": {
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"Description": "Desired Size of Autoscaling Group",
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"Type": "String",
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"Default": "6"
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},
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"AmiId": {
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"Description": "Ami ID to deploy",
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"Type": "String",
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"Default": "$region.params.defaultImageId"
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},
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"SharedServicesSG": {
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"Description": "Security group for Shared Services connectivity",
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"Type": "String",
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"Default": "valid-Sec-Grp"
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},
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"ddncassandraSecurityGroup": {
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"Description": "Security group for cassandra app tiers",
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"Type": "String",
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"Default": "valid-Sec-Grp"
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}
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},
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"Conditions": {
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"IsProd": {
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"Fn::Equals": [{
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "Environment" ]
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}, "Prod"]
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}
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},
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"Resources": {
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"AlertNotificationTopic": {
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"Type": "AWS::SNS::Topic",
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"Properties": {
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"Subscription": [{
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"Endpoint": {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "AlertNotifyEmail" ]
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},
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"Protocol": "email"
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}],
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"TopicName": {
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"Fn::Join": ["-", [{
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"Ref": "ComponentName"
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}, {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "Environment" ]
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},
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"AlertNotify"
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]]
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},
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"DisplayName": {
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"Fn::Join": ["-", [{
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"Ref": "ComponentName"
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}, {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "Environment" ]
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}, "AlertNotify"]]
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}
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}
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},
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"ServerGroup": {
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"Type": "AWS::AutoScaling::AutoScalingGroup",
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"UpdatePolicy": {
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"AutoScalingRollingUpdate": {
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"MaxBatchSize": "1",
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"MinInstancesInService": "1",
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"PauseTime": "PT5M"
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}
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},
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"Properties": {
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"NotificationConfiguration": {
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"TopicARN": {
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"Ref": "AlertNotificationTopic"
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},
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"NotificationTypes": [
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"autoscaling:EC2_INSTANCE_LAUNCH",
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"autoscaling:EC2_INSTANCE_LAUNCH_ERROR",
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"autoscaling:EC2_INSTANCE_TERMINATE",
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"autoscaling:EC2_INSTANCE_TERMINATE_ERROR"
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]
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},
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"AvailabilityZones": {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "AvailabilityZones" ]
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},
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"LaunchConfigurationName": {
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"Ref": "ServerLaunchConfig"
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},
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"MinSize": {
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"Ref": "AutoscalingMinSize"
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},
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"MaxSize": {
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"Ref": "AutoscalingMaxSize"
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},
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"DesiredCapacity": {
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"Ref": "AutoscalingDesiredSize"
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},
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"VPCZoneIdentifier": {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "Subnets" ]
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},
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"Tags": [{
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"Key": "Name",
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"Value": {
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"Fn::Join": ["-", [{
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"Ref": "AWS::StackName"
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}, {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "Environment" ]
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}]]
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},
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"PropagateAtLaunch": "true"
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},
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{
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"Key": "SNSTopicARN",
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"Value": {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "NotificationTopic" ]
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},
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"PropagateAtLaunch": "true"
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},
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{"Key": "Application",
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"Value": "cassandra",
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"PropagateAtLaunch": "true"}]
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}
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},
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"ServerLaunchConfig": {
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"Type": "AWS::AutoScaling::LaunchConfiguration",
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"Properties": {
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"KeyName": {
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"Ref": "KeyName"
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},
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"BlockDeviceMappings": [
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{
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"DeviceName": "/dev/sda1",
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"Ebs": {
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"VolumeSize": 50,
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"DeleteOnTermination": true
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}
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},
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{
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"DeviceName": "/dev/sdb",
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"VirtualName": "ephemeral0"
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},
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{
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"DeviceName": "/dev/sdc",
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"VirtualName": "ephemeral1"
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}
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],
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"ImageId": {
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"Ref": "AmiId"
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},
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"UserData": {
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"Fn::Base64": {
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"Fn::Join" : [ "", [
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"{",
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"\"logwatch\": ",
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"{",
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"\"streamName\": \"", { "Ref": "LogWatchStream"}, "\",",
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"\"loggroup\": \"", { "Ref": "LogWatchLogGroup"}, "\",",
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"\"logfile\": \"", { "Ref": "LogWatchLogFile"}, "\"",
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"},",
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"\"csp_data\": ",
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"{",
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"\"region\": \"", { "Ref": "AWS::Region"}, "\",",
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"\"account\": \"", { "Ref": "AWS::AccountId"}, "\",",
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"\"stackId\": \"", { "Ref": "AWS::StackId"}, "\",",
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"\"stackName\": \"", { "Ref": "AWS::StackName"}, "\"",
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"},",
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"\"attributes\": {",
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"\"environment\": \"", {"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "ChefEnvironment" ]},"\",",
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"\"run_list\": [\"recipe[cassandra]\"]},",
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"\"chef_server\": \"", { "Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "ChefServer" ] },"\",",
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"\"validation_pem_url\": \"", { "Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "ValidationPEMURL" ] },"\",",
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"\"databag_secret_url\": \"", { "Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "DatabagSecretURL" ] },"\"",
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"}"
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] ]
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}
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},
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"SecurityGroups": [
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{"Ref": "ddncassandraSecurityGroup"},
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{"Ref": "SharedServicesSG"}
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],
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"IamInstanceProfile": {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "IAMProfile" ]
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},
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"KeyName": {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "KeyPair" ]
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},
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"InstanceType": {
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"Ref": "InstanceType"
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}
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}
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},
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"ServerGroupScaleUpPolicy": {
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"Type": "AWS::AutoScaling::ScalingPolicy",
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"Properties": {
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"AdjustmentType": "ChangeInCapacity",
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"AutoScalingGroupName": {
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"Ref": "ServerGroup"
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},
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"Cooldown": "60",
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"ScalingAdjustment": "1"
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}
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},
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"ServerGroupScaleDownPolicy": {
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"Type": "AWS::AutoScaling::ScalingPolicy",
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"Properties": {
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"AdjustmentType": "ChangeInCapacity",
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"AutoScalingGroupName": {
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"Ref": "ServerGroup"
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},
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"Cooldown": "60",
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"ScalingAdjustment": "-1"
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}
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},
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"StatusCheckAlarm": {
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"Type": "AWS::CloudWatch::Alarm",
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"Condition": "IsProd",
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"Properties": {
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"AlarmDescription": " Status Check Failed",
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"MetricName": "StatusCheckFailed",
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"Namespace": "AWS/EC2",
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"Statistic": "Maximum",
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"Period": "60",
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"EvaluationPeriods": "3",
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"Threshold": "1",
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"AlarmActions": [{
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"Fn::If": [
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"IsProd", {
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"Fn::FindInMap" : [ "AccountMap", { "Ref" : "AWS::AccountId" }, "NotificationTopic" ]
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}, {
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"Ref": "AlertNotificationTopic"
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}
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]
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}],
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"Dimensions": [{
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"Name": "AutoScalingGroupName",
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"Value": {
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"Ref": "ServerGroup"
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}
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}],
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"ComparisonOperator": "GreaterThanOrEqualToThreshold"
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}
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}
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},
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"Outputs": {
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"ServerGroup": {
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"Description": "AutoScalingGroup",
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"Value": { "Ref": "ServerGroup" }
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}
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}
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}

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