OpenStack Orchestration (Heat)
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HeatTemplateFormatVersion: '2012-12-12'
Description: 'Builtin AWS::RDS::DBInstance'
Parameters:
AllocatedStorage:
Type: String
DBInstanceClass:
Type: String
DBName:
Type: String
DBSecurityGroups:
Type: CommaDelimitedList
Default: ''
Engine:
Type: String
AllowedValues: ['MySQL']
MasterUsername:
Type: String
MasterUserPassword:
Type: String
Port:
Type: String
Default: '3306'
KeyName:
Type: String
Default: ''
Mappings:
DBInstanceToInstance:
db.m1.small: {Instance: m1.small}
db.m1.large: {Instance: m1.large}
db.m1.xlarge: {Instance: m1.xlarge}
db.m2.xlarge: {Instance: m2.xlarge}
db.m2.2xlarge: {Instance: m2.2xlarge}
db.m2.4xlarge: {Instance: m2.4xlarge}
Resources:
ServerSecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: 'Enable SSH access'
SecurityGroupIngress:
- IpProtocol: icmp
FromPort: '-1'
ToPort: '-1'
CidrIp: '0.0.0.0/0'
- IpProtocol: tcp
FromPort: '22'
ToPort : '22'
CidrIp : '0.0.0.0/0'
- IpProtocol: tcp
FromPort: {Ref: Port}
ToPort : {Ref: Port}
CidrIp : '0.0.0.0/0'
DatabaseInstance:
Type: AWS::EC2::Instance
Metadata:
AWS::CloudFormation::Init:
config:
files:
/tmp/db_setup.sql:
content:
'Fn::Replace':
- DBName: {Ref: DBName}
MasterUserPassword: {Ref: MasterUserPassword}
MasterUsername: {Ref: MasterUsername}
- |
CREATE DATABASE DBName;
GRANT ALL PRIVILEGES ON DBName.* TO "MasterUsername"@"%"
IDENTIFIED BY "MasterUserPassword";
FLUSH PRIVILEGES;
EXIT
mode: '000644'
owner: root
group: root
packages:
yum:
mariadb: []
mariadb-server: []
services:
systemd:
mysqld:
enabled: true
ensureRunning: true
Properties:
ImageId: F19-x86_64-cfntools
InstanceType: {'Fn::FindInMap': [DBInstanceToInstance,
{Ref: DBInstanceClass}, Instance]}
KeyName: {Ref: KeyName}
SecurityGroups: [{"Ref" : "ServerSecurityGroup"}]
UserData:
Fn::Base64:
Fn::Replace:
- 'AWS::StackName': {Ref: 'AWS::StackName'}
'AWS::Region': {Ref: 'AWS::Region'}
MasterUserPassword: {Ref: MasterUserPassword}
WaitHandle: {Ref: WaitHandle}
- |
#!/bin/bash -v
#
iptables -F
# Helper function
function error_exit
{
/opt/aws/bin/cfn-signal -e 1 -r \"$1\" 'WaitHandle'
exit 1
}
/opt/aws/bin/cfn-init -s AWS::StackName -r DatabaseInstance --region AWS::Region || error_exit 'Failed to run cfn-init'
# Setup MySQL root password and create a user
mysqladmin -u root password 'MasterUserPassword'
mysql -u root --password='MasterUserPassword' < /tmp/db_setup.sql || error_exit 'Failed to setup mysql'
# Database setup completed, signal success
/opt/aws/bin/cfn-signal -e 0 -r "MySQL server setup complete" 'WaitHandle'
WaitHandle:
Type: AWS::CloudFormation::WaitConditionHandle
WaitCondition:
Type: AWS::CloudFormation::WaitCondition
DependsOn: DatabaseInstance
Properties:
Handle: {Ref: WaitHandle}
Timeout: "600"
Outputs:
Endpoint.Address:
Value: {'Fn::GetAtt': [DatabaseInstance, PublicIp]}
Endpoint.Port:
Value: {Ref: Port}