a2ad92fa58
This change makes it possible for us to properly maintain example templates for various distributions by organizing them into subdirectories. Change-Id: I06e4d24cae83330af97870bab1e6795999218d1e
292 lines
10 KiB
Plaintext
292 lines
10 KiB
Plaintext
{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Description" : "AWS CloudFormation Sample Template WordPress_Multi_Instance: WordPress is web software you can use to create a beautiful website or blog. This template installs two instances: one running a WordPress deployment and the other using a local MySQL database to store the data.",
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"Parameters" : {
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"KeyName" : {
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"Description" : "Name of an existing EC2 KeyPair to enable SSH access to the instances",
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"Type" : "String"
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},
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"InstanceType" : {
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"Description" : "WebServer EC2 instance type",
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"Type" : "String",
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"Default" : "m1.small",
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"AllowedValues" : [ "m1.tiny", "m1.small", "m1.medium", "m1.large", "m1.xlarge" ],
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"ConstraintDescription" : "must be a valid EC2 instance type."
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},
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"DBName": {
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"Default": "wordpress",
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"Description" : "The WordPress database name",
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"Type": "String",
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"MinLength": "1",
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"MaxLength": "64",
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"AllowedPattern" : "[a-zA-Z][a-zA-Z0-9]*",
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"ConstraintDescription" : "must begin with a letter and contain only alphanumeric characters."
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},
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"DBUsername": {
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"Default": "admin",
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"NoEcho": "true",
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"Description" : "The WordPress database admin account username",
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"Type": "String",
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"MinLength": "1",
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"MaxLength": "16",
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"AllowedPattern" : "[a-zA-Z][a-zA-Z0-9]*",
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"ConstraintDescription" : "must begin with a letter and contain only alphanumeric characters."
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},
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"DBPassword": {
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"Default": "admin",
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"NoEcho": "true",
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"Description" : "The WordPress database admin account password",
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"Type": "String",
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"MinLength": "1",
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"MaxLength": "41",
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"AllowedPattern" : "[a-zA-Z0-9]*",
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"ConstraintDescription" : "must contain only alphanumeric characters."
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},
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"DBRootPassword": {
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"Default": "admin",
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"NoEcho": "true",
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"Description" : "Root password for MySQL",
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"Type": "String",
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"MinLength": "1",
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"MaxLength": "41",
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"AllowedPattern" : "[a-zA-Z0-9]*",
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"ConstraintDescription" : "must contain only alphanumeric characters."
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},
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"LinuxDistribution": {
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"Default": "F17",
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"Description" : "Distribution of choice",
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"Type": "String",
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"AllowedValues" : [ "F18", "F17", "U10", "RHEL-6.1", "RHEL-6.2", "RHEL-6.3" ]
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},
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"HupPollInterval": {
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"Default": "1",
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"Description" : "Interval for cfn-hup",
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"Type": "String"
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}
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},
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"Mappings" : {
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"AWSInstanceType2Arch" : {
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"m1.tiny" : { "Arch" : "32" },
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"m1.small" : { "Arch" : "64" },
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"m1.medium" : { "Arch" : "64" },
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"m1.large" : { "Arch" : "64" },
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"m1.xlarge" : { "Arch" : "64" }
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},
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"DistroArch2AMI": {
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"F18" : { "32" : "F18-i386-cfntools", "64" : "F18-x86_64-cfntools" },
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"F17" : { "32" : "F17-i386-cfntools", "64" : "F17-x86_64-cfntools" },
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"U10" : { "32" : "U10-i386-cfntools", "64" : "U10-x86_64-cfntools" },
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"RHEL-6.1" : { "32" : "rhel61-i386-cfntools", "64" : "rhel61-x86_64-cfntools" },
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"RHEL-6.2" : { "32" : "rhel62-i386-cfntools", "64" : "rhel62-x86_64-cfntools" },
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"RHEL-6.3" : { "32" : "rhel63-i386-cfntools", "64" : "rhel63-x86_64-cfntools" }
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}
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},
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"Resources" : {
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"CfnUser" : {
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"Type" : "AWS::IAM::User"
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},
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"WebServerKeys" : {
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"Type" : "AWS::IAM::AccessKey",
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"Properties" : {
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"UserName" : {"Ref": "CfnUser"}
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}
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},
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"WebServerRestartPolicy" : {
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"Type" : "OS::Heat::HARestarter",
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"Properties" : {
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"InstanceId" : { "Ref" : "WikiDatabase" }
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}
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},
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"HttpFailureAlarm": {
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"Type": "AWS::CloudWatch::Alarm",
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"Properties": {
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"AlarmDescription": "Restart the WikiDatabase if httpd fails > 3 times in 10 minutes",
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"MetricName": "ServiceFailure",
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"Namespace": "system/linux",
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"Statistic": "SampleCount",
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"Period": "300",
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"EvaluationPeriods": "1",
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"Threshold": "2",
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"AlarmActions": [ { "Ref": "WebServerRestartPolicy" } ],
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"ComparisonOperator": "GreaterThanThreshold"
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}
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},
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"WikiDatabase": {
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"Type": "AWS::EC2::Instance",
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"Metadata" : {
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"AWS::CloudFormation::Init" : {
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"config" : {
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"files" : {
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"/etc/cfn/cfn-credentials" : {
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"content" : { "Fn::Join" : ["", [
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"AWSAccessKeyId=", { "Ref" : "WebServerKeys" }, "\n",
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"AWSSecretKey=", {"Fn::GetAtt": ["WebServerKeys",
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"SecretAccessKey"]}, "\n"
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]]},
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"mode" : "000400",
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"owner" : "root",
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"group" : "root"
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},
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"/etc/cfn/cfn-hup.conf" : {
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"content" : { "Fn::Join" : ["", [
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"[main]\n",
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"stack=", { "Ref" : "AWS::StackName" }, "\n",
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"credential-file=/etc/cfn/cfn-credentials\n",
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"region=", { "Ref" : "AWS::Region" }, "\n",
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"interval=", { "Ref" : "HupPollInterval" }, "\n"
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]]},
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"mode" : "000400",
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"owner" : "root",
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"group" : "root"
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},
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"/etc/cfn/notify-on-httpd-restarted" : {
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"content" : { "Fn::Join" : ["", [
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"#!/bin/sh\n",
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"/opt/aws/bin/cfn-push-stats --watch ",
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{ "Ref" : "HttpFailureAlarm" },
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" --service-failure\n"
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]]},
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"mode" : "000700",
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"owner" : "root",
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"group" : "root"
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},
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"/tmp/cfn-hup-crontab.txt" : {
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"content" : { "Fn::Join" : ["", [
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"MAIL=\"\"\n",
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"\n",
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"* * * * * /opt/aws/bin/cfn-hup -f\n"
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]]},
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"mode" : "000600",
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"owner" : "root",
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"group" : "root"
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},
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"/tmp/setup.mysql" : {
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"content" : { "Fn::Join" : ["", [
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"CREATE DATABASE ", { "Ref" : "DBName" }, ";\n",
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"GRANT ALL PRIVILEGES ON ", { "Ref" : "DBName" },
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".* TO '", { "Ref" : "DBUsername" }, "'@'localhost'\n",
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"IDENTIFIED BY '", { "Ref" : "DBPassword" }, "';\n",
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"FLUSH PRIVILEGES;\n",
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"EXIT\n"
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]]},
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"mode" : "000644",
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"owner" : "root",
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"group" : "root"
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},
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"/etc/cfn/hooks.conf" : {
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"content": { "Fn::Join" : ["", [
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"[cfn-http-restarted]\n",
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"triggers=service.restarted\n",
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"path=Resources.WikiDatabase.Metadata\n",
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"action=/etc/cfn/notify-on-httpd-restarted\n",
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"runas=root\n"
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]]},
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"mode" : "000400",
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"owner" : "root",
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"group" : "root"
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}
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},
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"packages" : {
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"yum" : {
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"cronie" : [],
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"mysql" : [],
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"mysql-server" : [],
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"httpd" : [],
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"wordpress" : []
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}
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},
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"services" : {
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"systemd" : {
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"mysqld" : { "enabled" : "true", "ensureRunning" : "true" },
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"httpd" : { "enabled" : "true", "ensureRunning" : "true" },
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"crond" : { "enabled" : "true", "ensureRunning" : "true" }
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}
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}
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}
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}
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},
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"Properties": {
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"ImageId" : { "Fn::FindInMap" : [ "DistroArch2AMI", { "Ref" : "LinuxDistribution" },
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{ "Fn::FindInMap" : [ "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch" ] } ] },
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"InstanceType" : { "Ref" : "InstanceType" },
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"KeyName" : { "Ref" : "KeyName" },
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"UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
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"#!/bin/bash -v\n",
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"# Helper function\n",
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"function error_exit\n",
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"{\n",
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" /opt/aws/bin/cfn-signal -e 1 -r \"$1\" '", { "Ref" : "WaitHandle" }, "'\n",
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" exit 1\n",
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"}\n",
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"/opt/aws/bin/cfn-init -s ", { "Ref" : "AWS::StackName" },
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" -r WikiDatabase ",
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" --access-key ", { "Ref" : "WebServerKeys" },
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" --secret-key ", {"Fn::GetAtt": ["WebServerKeys", "SecretAccessKey"]},
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" --region ", { "Ref" : "AWS::Region" },
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" || error_exit 'Failed to run cfn-init'\n",
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"# Setup MySQL root password and create a user\n",
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"mysqladmin -u root password '", { "Ref" : "DBRootPassword" },
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"' || error_exit 'Failed to initialize root password'\n",
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"mysql -u root --password='", { "Ref" : "DBRootPassword" },
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"' < /tmp/setup.mysql || error_exit 'Failed to create database.'\n",
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"sed -i \"/Deny from All/d\" /etc/httpd/conf.d/wordpress.conf\n",
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"sed -i \"s/Require local/Require all granted/\" /etc/httpd/conf.d/wordpress.conf\n",
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"sed --in-place --e s/database_name_here/", { "Ref" : "DBName" },
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"/ --e s/username_here/", { "Ref" : "DBUsername" },
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"/ --e s/password_here/", { "Ref" : "DBPassword" },
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"/ /usr/share/wordpress/wp-config.php\n",
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"systemctl restart httpd.service\n",
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"# install cfn-hup crontab\n",
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"crontab /tmp/cfn-hup-crontab.txt\n",
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"# All is well so signal success\n",
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"/opt/aws/bin/cfn-signal -e 0 -r \"Wiki server setup complete\" '",
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{ "Ref" : "WaitHandle" }, "'\n"
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]]}}
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}
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},
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"WaitHandle" : {
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"Type" : "AWS::CloudFormation::WaitConditionHandle"
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},
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"WaitCondition" : {
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"Type" : "AWS::CloudFormation::WaitCondition",
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"DependsOn" : "WikiDatabase",
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"Properties" : {
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"Handle" : {"Ref" : "WaitHandle"},
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"Count" : "1",
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"Timeout" : "600"
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}
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}
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},
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"Outputs" : {
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"WebsiteURL" : {
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"Value" : { "Fn::Join" : ["", ["http://", { "Fn::GetAtt" : [ "WikiDatabase", "PublicIp" ]}, "/wordpress"]] },
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"Description" : "URL for Wordpress wiki"
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}
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}
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}
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