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splunk-enterprise.template
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splunk-enterprise.template
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "Splunk deployment with indexer, search head clustering and cluster master. QS(5030)",
"Parameters": {
"HTTPLocation": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
"ConstraintDescription": "Must be a valid IP range in x.x.x.x/x notation. Use 0.0.0.0/0 for no restrictions.",
"Description": "The IP address range that is allowed to connect to the Splunk web interface. Note: a value of 0.0.0.0/0 will allow access from ANY ip address",
"MaxLength": "19",
"MinLength": "9",
"Type": "String"
},
"InstanceType": {
"AllowedValues": [
"c4.large",
"c4.2xlarge",
"c4.4xlarge",
"c4.8xlarge",
"m4.10xlarge",
"r4.8xlarge"
],
"ConstraintDescription": "must be a valid EC2 instance type.",
"Default": "c4.large",
"Type": "String"
},
"KeyName": {
"ConstraintDescription": "Must be the name of an existing EC2 KeyPair.",
"Description": "Name of an existing EC2 KeyPair to enable SSH access to the instance",
"Type": "AWS::EC2::KeyPair::KeyName"
},
"PublicSubnet1ID": {
"Description": "ID of Splunk public subnet 1 in Availability Zone 1 (e.g., subnet-xxxxxxxx)",
"Type": "AWS::EC2::Subnet::Id"
},
"PublicSubnet2ID": {
"Description": "ID of Splunk public subnet 2 in Availability Zone 2 (e.g., subnet-xxxxxxxx)",
"Type": "AWS::EC2::Subnet::Id"
},
"QSS3BucketName": {
"Default": "quickstart-reference",
"Description": "S3 bucket name for the Quick Start assets.",
"Type": "String"
},
"QSS3KeyPrefix": {
"Default": "splunk/enterprise/latest",
"Description": "S3 key prefix for the Quick Start assets.",
"Type": "String"
},
"SHCEnabled": {
"AllowedValues": [
"yes",
"no"
],
"Default": "no",
"Description": "Do you want to build a Splunk search head cluster?",
"Type": "String"
},
"SSHLocation": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
"ConstraintDescription": "Must be a valid IP range in x.x.x.x/x notation. Use 0.0.0.0/0 for no restrictions.",
"Description": "The IP address range that is allowed to SSH to the EC2 instances. Note: a value of 0.0.0.0/0 will allow access from ANY ip address",
"MaxLength": "19",
"MinLength": "9",
"Type": "String"
},
"SplunkAdminPassword": {
"AllowedPattern": "(?=^.{6,255}$)((?=.*\\d)(?=.*[A-Z])(?=.*[a-z])|(?=.*\\d)(?=.*[^A-Za-z0-9])(?=.*[a-z])|(?=.*[^A-Za-z0-9])(?=.*[A-Z])(?=.*[a-z])|(?=.*\\d)(?=.*[A-Z])(?=.*[^A-Za-z0-9]))^.*",
"ConstraintDescription": "Must be at least 8 characters containing letters, numbers and symbols.",
"Description": "Admin password for Splunk. Must be at least 8 characters containing letters, numbers and symbols.",
"MaxLength": "32",
"MinLength": "6",
"NoEcho": "true",
"Type": "String"
},
"SplunkIndexerCount": {
"ConstraintDescription": "must be a valid number, 3-10",
"Default": "3",
"Description": "How many Splunk indexers to launch. [3-10]",
"MaxValue": "10",
"MinValue": "3",
"Type": "Number"
},
"SplunkIndexerDiskSize": {
"ConstraintDescription": "must be a valid number, 50-16000",
"Default": "200",
"Description": "The size of the attached EBS volume to the Splunk indexers. (in GB)",
"MaxValue": "16000",
"MinValue": "50",
"Type": "Number"
},
"SplunkLicenseBucket": {
"Default": "",
"Description": "Name of private S3 bucket with licenses to be accessed via authenticated requests",
"Type": "String"
},
"SplunkLicensePath": {
"Default": "",
"Description": "Path to license file in S3 Bucket (without leading '/')",
"Type": "String"
},
"SplunkReplicationFactor": {
"ConstraintDescription": "must be a valid number, 2-5",
"Default": "3",
"Description": "How many copies of data should be stored in the Splunk clusters",
"MaxValue": "5",
"MinValue": "2",
"Type": "Number"
},
"SplunkSecret": {
"AllowedPattern": "(?=^.{6,255}$)((?=.*\\d)(?=.*[A-Z])(?=.*[a-z])|(?=.*\\d)(?=.*[^A-Za-z0-9])(?=.*[a-z])|(?=.*[^A-Za-z0-9])(?=.*[A-Z])(?=.*[a-z])|(?=.*\\d)(?=.*[A-Z])(?=.*[^A-Za-z0-9]))^.*",
"ConstraintDescription": "Must be at least 8 characters containing letters, numbers and symbols.",
"Description": "Shared cluster secret for Search Head and Indexer clusters. Must be at least 8 characters containing letters, numbers and symbols.",
"MaxLength": "32",
"MinLength": "6",
"NoEcho": "true",
"Type": "String"
},
"VPCCIDR": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
"ConstraintDescription": "must be a valid IP CIDR range of the form x.x.x.x/x.",
"Description": "VPC CIDR Block (x.x.x.x/x notation)",
"Type": "String"
},
"VPCID": {
"Description": "VPC ID",
"Type": "AWS::EC2::VPC::Id"
}
},
"Metadata": {
"AWS::CloudFormation::Interface": {
"ParameterGroups": [
{
"Label": {
"default": "AWS Instance and Network Settings"
},
"Parameters": [
"InstanceType",
"KeyName",
"HTTPLocation",
"SSHLocation",
"VPCID",
"VPCCIDR",
"PublicSubnet1ID",
"PublicSubnet2ID"
]
},
{
"Label": {
"default": "Splunk Settings"
},
"Parameters": [
"SplunkAdminPassword",
"SplunkSecret",
"SplunkLicenseBucket",
"SplunkLicensePath",
"SplunkIndexerCount",
"SplunkIndexerDiskSize",
"SHCEnabled",
"SplunkReplicationFactor"
]
},
{
"Label": {
"default": "Quickstart Settings"
},
"Parameters": [
"QSS3BucketName",
"QSS3KeyPrefix"
]
}
],
"ParameterLabels": {
"HTTPLocation": {
"default": "Permitted CIDR for Splunk web interface"
},
"InstanceType": {
"default": "Splunk Instance Type"
},
"KeyName": {
"default": "Key Name"
},
"PublicSubnet1ID": {
"default": "Public Subnet 1 ID"
},
"PublicSubnet2ID": {
"default": "Public Subnet 2 ID"
},
"QSS3BucketName": {
"default": "QuickStart S3 Bucket Name"
},
"QSS3KeyPrefix": {
"default": "QuickStart S3 Key Prefix"
},
"SHCEnabled": {
"default": "Enable Search Head Cluster?"
},
"SSHLocation": {
"default": "Permitted CIDR for ssh"
},
"SplunkAdminPassword": {
"default": "Splunk Admin Password"
},
"SplunkIndexerCount": {
"default": "No. of Splunk Indexers"
},
"SplunkIndexerDiskSize": {
"default": "Indexer Disk Size"
},
"SplunkLicenseBucket": {
"default": "Splunk License Bucket"
},
"SplunkLicensePath": {
"default": "Splunk License S3 Bucket Path"
},
"SplunkReplicationFactor": {
"default": "Replication Factor"
},
"SplunkSecret": {
"default": "Splunk Secret"
},
"VPCCIDR": {
"default": "VPC CIDR"
},
"VPCID": {
"default": "VPC ID"
}
}
}
},
"Conditions": {
"CreateSingleSearchHead": {
"Fn::Equals": [
{
"Ref": "SHCEnabled"
},
"no"
]
},
"CreateSHC": {
"Fn::Equals": [
{
"Ref": "SHCEnabled"
},
"yes"
]
},
"ConfigureLicense": {
"Fn::And": [
{
"Fn::Not": [
{
"Fn::Equals": [
"",
{
"Ref": "SplunkLicenseBucket"
}
]
}
]
},
{
"Fn::Not": [
{
"Fn::Equals": [
"",
{
"Ref": "SplunkLicensePath"
}
]
}
]
}
]
}
},
"Mappings": {
"AWSAMIRegionMap": {
"AMI": {
"SPLUNKENTHVM": "splunk_marketplace_AMI_2017-01-26_22_09_23-7b65de6c-5006-4ca2-bd75-fdba95ae5d9d-ami-89e81b9f.3"
},
"ap-northeast-1": {
"SPLUNKENTHVM": "ami-53b3f334"
},
"ap-northeast-2": {
"SPLUNKENTHVM": "ami-ba7faed4"
},
"ap-south-1": {
"SPLUNKENTHVM": "ami-5c473633"
},
"ap-southeast-1": {
"SPLUNKENTHVM": "ami-362a9e55"
},
"ap-southeast-2": {
"SPLUNKENTHVM": "ami-68a8ae0b"
},
"ca-central-1": {
"SPLUNKENTHVM": "ami-6fb5080b"
},
"eu-central-1": {
"SPLUNKENTHVM": "ami-85c50dea"
},
"eu-west-1": {
"SPLUNKENTHVM": "ami-cbd3f6ad"
},
"eu-west-2": {
"SPLUNKENTHVM": "ami-5e7d683a"
},
"sa-east-1": {
"SPLUNKENTHVM": "ami-a9cca8c5"
},
"us-east-1": {
"SPLUNKENTHVM": "ami-707cbb66"
},
"us-east-2": {
"SPLUNKENTHVM": "ami-4a11342f"
},
"us-west-1": {
"SPLUNKENTHVM": "ami-a83a66c8"
},
"us-west-2": {
"SPLUNKENTHVM": "ami-93f673f3"
}
},
"AWSInfoRegionMap": {
"ap-northeast-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ap-northeast-2": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ap-south-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ap-southeast-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ap-southeast-2": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ca-central-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"eu-central-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"eu-west-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"sa-east-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"us-east-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"us-east-2": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"us-gov-west-1": {
"Partition": "aws-us-gov",
"QuickStartS3URL": "https://s3-us-gov-west-1.amazonaws.com"
},
"us-west-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"us-west-2": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
}
},
"SplunkConfig": {
"searchhead-disk-size": {
"gb": "100"
},
"cluster-search-factor": {
"searchfactor": "2"
},
"labels": {
"cluster": "IndexerCluster",
"shcluster": "SearchHeadCluster"
}
}
},
"Resources": {
"SplunkSearchHeadSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"VpcId": {
"Ref": "VPCID"
},
"GroupDescription": "Enable port 8000 for Splunk web interface",
"SecurityGroupIngress": [
{
"IpProtocol": "tcp",
"FromPort": "8000",
"ToPort": "8000",
"CidrIp": {
"Ref": "HTTPLocation"
}
},
{
"IpProtocol": "tcp",
"FromPort": "8090",
"ToPort": "8090",
"CidrIp": {
"Ref": "VPCCIDR"
}
}
],
"Tags": [
{
"Key": "Application",
"Value": {
"Ref": "AWS::StackId"
}
},
{
"Key": "Name",
"Value": "SplunkSearchHeadSecurityGroup"
}
]
}
},
"SplunkSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"VpcId": {
"Ref": "VPCID"
},
"GroupDescription": "Enable SSH, and all Splunk-related ports except web interface",
"SecurityGroupIngress": [
{
"IpProtocol": "tcp",
"FromPort": "22",
"ToPort": "22",
"CidrIp": {
"Ref": "SSHLocation"
}
},
{
"IpProtocol": "tcp",
"FromPort": "8089",
"ToPort": "8089",
"CidrIp": {
"Ref": "VPCCIDR"
}
},
{
"IpProtocol": "tcp",
"FromPort": "9997",
"ToPort": "9997",
"CidrIp": {
"Ref": "VPCCIDR"
}
},
{
"IpProtocol": "tcp",
"FromPort": "9887",
"ToPort": "9887",
"CidrIp": {
"Ref": "VPCCIDR"
}
},
{
"IpProtocol": "udp",
"FromPort": "514",
"ToPort": "514",
"CidrIp": {
"Ref": "VPCCIDR"
}
}
],
"Tags": [
{
"Key": "Application",
"Value": {
"Ref": "AWS::StackId"
}
},
{
"Key": "Name",
"Value": "SplunkSecurityGroup"
}
]
}
},
"SplunkSearchHeadInstance": {
"Type": "AWS::EC2::Instance",
"Condition": "CreateSingleSearchHead",
"DependsOn": "SplunkCM",
"Properties": {
"ImageId": {
"Fn::FindInMap": [
"AWSAMIRegionMap",
{
"Ref": "AWS::Region"
},
"SPLUNKENTHVM"
]
},
"SecurityGroupIds": [
{
"Ref": "SplunkSecurityGroup"
},
{
"Ref": "SplunkSearchHeadSecurityGroup"
}
],
"SubnetId": {
"Ref": "PublicSubnet1ID"
},
"InstanceType": {
"Ref": "InstanceType"
},
"KeyName": {
"Ref": "KeyName"
},
"Tags": [
{
"Key": "Application",
"Value": {
"Ref": "AWS::StackId"
}
},
{
"Key": "Role",
"Value": "splunk-search-head"
},
{
"Key": "Name",
"Value": "search-head"
}
],
"BlockDeviceMappings": [
{
"DeviceName": "/dev/xvda",
"Ebs": {
"VolumeSize": {
"Fn::FindInMap": [
"SplunkConfig",
"searchhead-disk-size",
"gb"
]
}
}
}
],
"UserData": {
"Fn::Base64": {
"Fn::Join": [
"",
[
"#!/bin/bash -v\n",
"# First make clout-init output log readable by root only to protect sensitive parameter values\n",
"chmod 600 /var/log/cloud-init-output.log\n",
"yum update -y aws-cfn-bootstrap\n",
"export LOCALIP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)\n",
"export INSTANCEID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)\n",
"export SPLUNK_USER=splunk\n",
"export SPLUNK_BIN=/opt/splunk/bin/splunk\n",
"export SPLUNK_HOME=/opt/splunk\n",
"printf '%s\t%s\n' \"$LOCALIP\" 'splunksearch' >> /etc/hosts\n",
"hostname splunksearch\n",
"# Stop Splunk and reset password\n",
"service splunk stop\n",
"touch $SPLUNK_HOME/etc/.ui_login\n",
"mv $SPLUNK_HOME/etc/passwd $SPLUNK_HOME/etc/passwd.bak\n",
"sed -i 's/force-change-pass true//' /etc/init.d/splunk\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit user admin -password ",
{
"Ref": "SplunkAdminPassword"
},
" -role admin -auth admin:changeme\n",
"# Increase splunkweb connection timeout with splunkd\n",
"printf '\n%s\n%s = %s\n' [settings] splunkdConnectionTimeout 300 >> $SPLUNK_HOME/etc/system/local/web.conf\n",
"chown $SPLUNK_USER:$SPLUNK_USER $SPLUNK_HOME/etc/system/local/web.conf\n",
"service splunk start\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit licenser-localslave -master_uri https://",
{
"Fn::GetAtt": [
"SplunkCM",
"PrivateIp"
]
},
":8089 -auth admin:",
{
"Ref": "SplunkAdminPassword"
},
"\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit cluster-config -secret ",
{
"Ref": "SplunkSecret"
},
" -mode searchhead -master_uri https://",
{
"Fn::GetAtt": [
"SplunkCM",
"PrivateIp"
]
},
":8089 -auth admin:",
{
"Ref": "SplunkAdminPassword"
},
"\n",
"service splunk restart\n",
"/opt/aws/bin/cfn-signal -e $? --stack ",
{
"Ref": "AWS::StackName"
},
" --resource SplunkSearchHeadInstance",
" --region ",
{
"Ref": "AWS::Region"
},
"\n",
"usermod --expiredate 1 splunk\n"
]
]
}
}
},
"CreationPolicy": {
"ResourceSignal": {
"Timeout": "PT30M"
}
}
},
"SplunkCM": {
"Type": "AWS::EC2::Instance",
"Metadata": {
"AWS::CloudFormation::Init": {
"Fn::If": [
"ConfigureLicense",
{
"config": {
"files": {
"/etc/splunk/splunk.license": {
"source": {
"Fn::If": [
"ConfigureLicense",
{
"Fn::Join": [
"",
[
"https://",
{
"Ref": "SplunkLicenseBucket"
},
".s3.amazonaws.com/",
{
"Ref": "SplunkLicensePath"
}
]
]
},
{
"Ref": "AWS::NoValue"
}
]
},
"mode": "000600",
"owner": "splunk",
"group": "splunk",
"authentication": "S3AccessCreds"
}
}
}
},
{
"Ref": "AWS::NoValue"
}
]
},
"AWS::CloudFormation::Authentication": {
"Fn::If": [
"ConfigureLicense",
{
"S3AccessCreds": {
"type": "S3",
"accessKeyId": {
"Ref": "CfnKeys"
},
"secretKey": {
"Fn::GetAtt": [
"CfnKeys",
"SecretAccessKey"
]
},
"buckets": [
{
"Ref": "SplunkLicenseBucket"
}
]
}
},
{
"Ref": "AWS::NoValue"
}
]
}
},
"Properties": {
"BlockDeviceMappings": [
{
"DeviceName": "/dev/xvda",
"Ebs": {
"VolumeSize": 50
}
}
],
"NetworkInterfaces": [
{
"GroupSet": [
{
"Ref": "SplunkSecurityGroup"
},
{
"Ref": "SplunkSearchHeadSecurityGroup"
}
],
"AssociatePublicIpAddress": "true",
"DeviceIndex": "0",
"DeleteOnTermination": "true",
"SubnetId": {
"Ref": "PublicSubnet1ID"
}
}
],
"ImageId": {
"Fn::FindInMap": [
"AWSAMIRegionMap",
{
"Ref": "AWS::Region"
},
"SPLUNKENTHVM"
]
},
"InstanceType": "c4.large",
"KeyName": {
"Ref": "KeyName"
},
"Tags": [
{
"Key": "Application",
"Value": {
"Ref": "AWS::StackId"
}
},
{
"Key": "Role",
"Value": "cluster-master"
},
{
"Key": "Name",
"Value": "cluster-master"
}
],
"UserData": {
"Fn::Base64": {
"Fn::Join": [
"",
[
"#!/bin/bash -v\n",
"# First make clout-init output log readable by root only to protect sensitive parameter values\n",
"chmod 600 /var/log/cloud-init-output.log\n",
"yum update -y aws-cfn-bootstrap\n",
"export LOCALIP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)\n",
"export INSTANCEID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id 2>/dev/null)\n",
"export SPLUNK_USER=splunk\n",
"export SPLUNK_BIN=/opt/splunk/bin/splunk\n",
"export SPLUNK_HOME=/opt/splunk\n",
"printf '%s\t%s\n' \"$LOCALIP\" 'splunklicense' >> /etc/hosts\n",
"hostname splunklicense\n",
"# Stop Splunk and reset password\n",
"service splunk stop\n",
"touch $SPLUNK_HOME/etc/.ui_login\n",
"mv $SPLUNK_HOME/etc/passwd $SPLUNK_HOME/etc/passwd.bak\n",
"sed -i 's/force-change-pass true//' /etc/init.d/splunk\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit user admin -password ",
{
"Ref": "SplunkAdminPassword"
},
" -role admin -auth admin:changeme\n",
"# Install files from the metadata\n",
"/opt/aws/bin/cfn-init -v ",
" --stack ",
{
"Ref": "AWS::StackName"
},
" --resource SplunkCM",
" --region ",
{
"Ref": "AWS::Region"
},
"\n",
"mkdir -p $SPLUNK_HOME/etc/licenses/enterprise\n",
"mv /etc/splunk/splunk.license $SPLUNK_HOME/etc/licenses/enterprise/\n",
"# Increase splunkweb connection timeout with splunkd\n",
"printf '\n%s\n%s = %s\n' [settings] splunkdConnectionTimeout 300 >> $SPLUNK_HOME/etc/system/local/web.conf\n",
"chown $SPLUNK_USER:$SPLUNK_USER $SPLUNK_HOME/etc/system/local/web.conf\n",
"service splunk start\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN login -auth admin:",
{
"Ref": "SplunkAdminPassword"
},
"\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit cluster-config -mode master -secret ",
{
"Ref": "SplunkSecret"
},
"\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit cluster-config -replication_factor ",
{
"Ref": "SplunkReplicationFactor"
},
" -search_factor ",
{
"Fn::FindInMap": [
"SplunkConfig",
"cluster-search-factor",
"searchfactor"
]
},
"\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit cluster-config -cluster_label SplunkIndexersASG -auth admin:",
{
"Ref": "SplunkAdminPassword"
},
"\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit cluster-config -site default\n",
"service splunk restart\n",
"/opt/aws/bin/cfn-signal -e $? --stack ",
{
"Ref": "AWS::StackName"
},
" --resource SplunkCM",
" --region ",
{
"Ref": "AWS::Region"
},
"\n",
"usermod --expiredate 1 splunk\n"
]
]
}
}
},
"CreationPolicy": {
"ResourceSignal": {
"Timeout": "PT30M"
}
}
},
"SplunkSHCDeployer": {
"Type": "AWS::EC2::Instance",
"Condition": "CreateSHC",
"DependsOn": "SplunkCM",
"Properties": {
"ImageId": {
"Fn::FindInMap": [
"AWSAMIRegionMap",
{
"Ref": "AWS::Region"
},
"SPLUNKENTHVM"
]
},
"SecurityGroupIds": [
{
"Ref": "SplunkSecurityGroup"
},
{
"Ref": "SplunkSearchHeadSecurityGroup"
}
],
"SubnetId": {
"Ref": "PublicSubnet1ID"
},
"InstanceType": {
"Ref": "InstanceType"
},
"KeyName": {
"Ref": "KeyName"
},
"Tags": [
{
"Key": "Application",
"Value": {
"Ref": "AWS::StackId"
}
},
{
"Key": "Role",
"Value": "splunk-search-head"
},
{
"Key": "Name",
"Value": "deployer"
}
],
"BlockDeviceMappings": [
{
"DeviceName": "/dev/xvda",
"Ebs": {
"VolumeSize": {
"Fn::FindInMap": [
"SplunkConfig",
"searchhead-disk-size",
"gb"
]
}
}
}
],
"UserData": {
"Fn::Base64": {
"Fn::Join": [
"",
[
"#!/bin/bash -v\n",
"# First make clout-init output log readable by root only to protect sensitive parameter values\n",
"chmod 600 /var/log/cloud-init-output.log\n",
"yum update -y aws-cfn-bootstrap\n",
"export LOCALIP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)\n",
"export INSTANCEID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)\n",
"export SPLUNK_USER=splunk\n",
"export SPLUNK_BIN=/opt/splunk/bin/splunk\n",
"export SPLUNK_HOME=/opt/splunk\n",
"printf '%s\t%s\n' \"$LOCALIP\" 'splunk-shc-deployer' >> /etc/hosts\n",
"hostname splunk-shc-deployer\n",
"# Stop Splunk and reset password\n",
"service splunk stop\n",
"touch $SPLUNK_HOME/etc/.ui_login\n",
"mv $SPLUNK_HOME/etc/passwd $SPLUNK_HOME/etc/passwd.bak\n",
"sed -i 's/force-change-pass true//' /etc/init.d/splunk\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit user admin -password ",
{
"Ref": "SplunkAdminPassword"
},
" -role admin -auth admin:changeme\n",
"# Increase splunkweb connection timeout with splunkd\n",
"printf '\n%s\n%s = %s\n' [settings] splunkdConnectionTimeout 300 >> $SPLUNK_HOME/etc/system/local/web.conf\n",
"chown $SPLUNK_USER:$SPLUNK_USER $SPLUNK_HOME/etc/system/local/web.conf\n",
"printf '\n%s\n%s = %s\n' [shclustering] pass4SymmKey '",
{
"Ref": "SplunkSecret"
},
"' >> $SPLUNK_HOME/etc/system/local/server.conf\n",
"printf '%s = %s\n' shcluster_label SplunkSHC >> $SPLUNK_HOME/etc/system/local/server.conf\n",
"chown $SPLUNK_USER:$SPLUNK_USER $SPLUNK_HOME/etc/system/local/server.conf\n",
"service splunk start\n",
"sudo -u $SPLUNK_USER $SPLUNK_BIN edit licenser-localslave ",
"-master_uri https://",
{
"Fn::GetAtt": [
"SplunkCM",
"PrivateIp"
]
},
":8089 ",
"-auth admin:",
{
"Ref": "SplunkAdminPassword"
},
"\n",
"service splunk restart\n",
"/opt/aws/bin/cfn-signal -e $? --stack ",
{
"Ref": "AWS::StackName"
},
" --resource SplunkSHCDeployer",
" --region ",
{
"Ref": "AWS::Region"
},
"\n",
"usermod --expiredate 1 splunk\n"
]
]
}
}
},
"CreationPolicy": {
"ResourceSignal": {
"Timeout": "PT30M"