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MongoDB_ReplicaSetStack.template
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MongoDB_ReplicaSetStack.template
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{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "MongoDB replica set stack",
"Parameters" : {
"KeyName" : {
"Description" : "Name of an existing EC2 KeyPair to enable SSH access",
"Type" : "String"
},
"InstanceType" : {
"Type" : "String",
"Default" : "m1.large",
"AllowedValues" : [ "m1.large", "m1.xlarge", "m2.xlarge", "m2.2xlarge", "m2.4xlarge", "c1.xlarge", "cc1.4xlarge" ],
"Description" : "EC2 instance type (e.g. m1.large, m1.xlarge, m2.xlarge)"
},
"VolumeSize" : {
"Description" : "Volume size for each EBS volume",
"Type" : "Number",
"Default" : "10"
},
"ReplicaSetName" : {
"Description" : "Name for the MongoDB replica set",
"Type" : "String",
"Default" : "MyReplicaSet"
}
},
"Mappings" : {
"InstanceTypeArch" : {
"m1.small" : { "Arch" : "64" },
"m1.medium" : { "Arch" : "64" },
"m1.large" : { "Arch" : "64" },
"m1.xlarge" : { "Arch" : "64" },
"m2.xlarge" : { "Arch" : "64" },
"m2.2xlarge" : { "Arch" : "64" },
"m2.4xlarge" : { "Arch" : "64" },
"c1.medium" : { "Arch" : "64" },
"c1.xlarge" : { "Arch" : "64" },
"cc1.4xlarge" : { "Arch" : "64HVM" }
},
"RegionImageZone" : {
"us-east-1" : { "64" : "ami-e565ba8c", "64HVM" : "ami-e965ba80" },
"us-west-2" : { "64" : "ami-3ac64a0a", "64HVM" : "NOT_YET_SUPPORTED" },
"us-west-1" : { "64" : "ami-e78cd4a2", "64HVM" : "NOT_YET_SUPPORTED" },
"eu-west-1" : { "64" : "ami-f9231b8d", "64HVM" : "NOT_YET_SUPPORTED" },
"ap-southeast-1": { "64" : "ami-be3374ec", "64HVM" : "NOT_YET_SUPPORTED" },
"ap-northeast-1": { "64" : "ami-e47acbe5", "64HVM" : "NOT_YET_SUPPORTED" },
"sa-east-1" : { "64" : "ami-a6855bbb", "64HVM" : "NOT_YET_SUPPORTED" }
},
"RegionZone" : {
"us-east-1" : {"AZ1" : "us-east-1a", "AZ2" : "us-east-1b", "AZ3" : "us-east-1b", "AZ4" : "us-east-1d", "AZ5" : "us-east-1e"},
"us-west-1" : {"AZ1" : "us-west-1a", "AZ2" : "us-west-1b", "AZ3" : "us-west-1c"},
"us-west-2" : {"AZ1" : "us-west-2a", "AZ2" : "us-west-2b"},
"eu-west-1" : {"AZ1" : "eu-west-1a", "AZ2" : "eu-west-1b", "AZ3" : "eu-west-1c"},
"ap-northeast-1": {"AZ1" : "ap-northeast-1a", "AZ2" : "ap-northeast-1b"},
"ap-southeast-1": {"AZ1" : "ap-southeast-1a", "AZ2" : "ap-southeast-1b"},
"sa-east-1" : {"AZ1" : "sa-east-1a", "AZ2" : "sa-east-1b"}
}
},
"Resources" : {
"MongoSecurityGroup" : {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription" : "ReplicaSet security group",
"SecurityGroupIngress" : [
{
"IpProtocol" : "tcp",
"FromPort" : "22",
"ToPort" : "22",
"CidrIp" : "0.0.0.0/0"
}
]
}
},
"MongoSecurityGroupIngress" : {
"Type" : "AWS::EC2::SecurityGroupIngress",
"Properties" : {
"GroupName" : { "Ref" : "MongoSecurityGroup" },
"IpProtocol" : "tcp",
"FromPort" : "27017",
"ToPort" : "27017",
"SourceSecurityGroupName" : { "Ref" : "MongoSecurityGroup" }
}
},
"StatusIngress" : {
"Type" : "AWS::EC2::SecurityGroupIngress",
"Properties" : {
"GroupName" : { "Ref" : "MongoSecurityGroup" },
"IpProtocol" : "tcp",
"FromPort" : "28017",
"ToPort" : "28017",
"SourceSecurityGroupName" : { "Ref" : "MongoSecurityGroup" }
}
},
"CfnUser" : {
"Type" : "AWS::IAM::User",
"Properties" : {
"Path": "/",
"Policies": [ {
"PolicyName": "root",
"PolicyDocument": { "Statement": [ {
"Effect":"Allow",
"Action":"cloudformation:DescribeStackResource",
"Resource":"*"
} ] }
} ]
}
},
"AccessKey" : {
"Type" : "AWS::IAM::AccessKey",
"Properties" : {
"UserName" : { "Ref" : "CfnUser" }
}
},
"ReplicaSetMember1" : {
"Type" : "AWS::CloudFormation::Stack",
"Properties" : {
"TemplateURL" : "http://S3URL/MongoDB_ReplicaSetMember.template",
"Parameters" : {
"KeyName" : { "Ref" : "KeyName" },
"InstanceType" : { "Ref" : "InstanceType" },
"VolumeSize" : { "Ref" : "VolumeSize" },
"AccessKeyId" : { "Ref" : "AccessKey" },
"SecretAccessKey" : {"Fn::GetAtt": ["AccessKey", "SecretAccessKey"]},
"ReplicaSetName" : { "Ref" : "ReplicaSetName" },
"SecurityGroupName" : { "Ref" : "MongoSecurityGroup" },
"InstanceZone" : { "Fn::FindInMap" : ["RegionZone", { "Ref" : "AWS::Region"}, "AZ2"] }
}
}
},
"ReplicaSetMember2" : {
"Type" : "AWS::CloudFormation::Stack",
"DependsOn" : "ReplicaSetMember1",
"Properties" : {
"TemplateURL" : "http://S3URL/MongoDB_ReplicaSetMember.template",
"Parameters" : {
"KeyName" : { "Ref" : "KeyName" },
"InstanceType" : { "Ref" : "InstanceType" },
"VolumeSize" : { "Ref" : "VolumeSize" },
"AccessKeyId" : { "Ref" : "AccessKey" },
"SecretAccessKey" : {"Fn::GetAtt": ["AccessKey", "SecretAccessKey"]},
"ReplicaSetName" : { "Ref" : "ReplicaSetName" },
"SecurityGroupName" : { "Ref" : "MongoSecurityGroup" },
"InstanceZone" : { "Fn::FindInMap" : ["RegionZone", { "Ref" : "AWS::Region"}, "AZ3"] }
}
}
},
"MongoInstanceP1" : {
"Type" : "AWS::EC2::Instance",
"Metadata" : {
"AWS::CloudFormation::Init" : {
"config" : {
"packages" : {
"yum" : {
"mdadm" : [],
"sysstat" : []
}
},
"files" : {
"/etc/yum.repos.d/10gen.repo" : {
"content" : { "Fn::Join" : ["", [
"[10gen]\n",
"name=10gen Repository\n",
"baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64\n",
"gpgcheck=0\n"
] ] },
"mode" : "000644",
"owner" : "root",
"group" : "root"
}
}
}
}
},
"DependsOn" : "ReplicaSetMember2",
"Properties" : {
"InstanceType" : { "Ref" : "InstanceType" },
"ImageId" : { "Fn::FindInMap" : [ "RegionImageZone", { "Ref" : "AWS::Region" },
{ "Fn::FindInMap" : [ "InstanceTypeArch", { "Ref" : "InstanceType" }, "Arch" ] } ] },
"SecurityGroups" : [ { "Ref" : "MongoSecurityGroup" } ],
"KeyName" : { "Ref" : "KeyName" },
"AvailabilityZone" : { "Fn::FindInMap" : ["RegionZone", { "Ref" : "AWS::Region"}, "AZ1"] },
"UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
"#!/bin/bash\n",
"yum update -y aws-cfn-bootstrap\n",
"## Error reporting helper function\n",
"function error_exit\n",
"{\n",
" /opt/aws/bin/cfn-signal -e 1 -r \"$1\" '", { "Ref" : "WaitHandleP1" }, "'\n",
" exit 1\n",
"}\n",
"## Initialize CloudFormation bits\n",
"/opt/aws/bin/cfn-init -v -s ", { "Ref" : "AWS::StackName" }, " -r MongoInstanceP1",
" --access-key ", { "Ref" : "AccessKey" },
" --secret-key ", {"Fn::GetAtt": ["AccessKey", "SecretAccessKey"]},
" --region ", { "Ref" : "AWS::Region" }, " > /tmp/cfn-init.log 2>&1 || error_exit $(</tmp/cfn-init.log)\n",
"## Waiting for EBS mounts to become available\n",
"while [ ! -e /dev/sdh1 ]; do echo waiting for /dev/sdh1 to attach; sleep 10; done\n",
"while [ ! -e /dev/sdh2 ]; do echo waiting for /dev/sdh2 to attach; sleep 10; done\n",
"while [ ! -e /dev/sdh3 ]; do echo waiting for /dev/sdh3 to attach; sleep 10; done\n",
"while [ ! -e /dev/sdh4 ]; do echo waiting for /dev/sdh4 to attach; sleep 10; done\n",
"yum -y install mongo-10gen-server > /tmp/yum-mongo.log 2>&1\n",
"## Create RAID10 and persist configuration\n",
"mdadm --verbose --create /dev/md0 --level=10 --chunk=256 --raid-devices=4 /dev/sdh1 /dev/sdh2 /dev/sdh3 /dev/sdh4 > /tmp/mdadm.log 2>&1\n",
"echo '`mdadm --detail --scan`' | tee -a /etc/mdadm.conf\n",
"## Set read-ahead on each device\n",
"blockdev --setra 128 /dev/md0\n",
"blockdev --setra 128 /dev/sdh1\n",
"blockdev --setra 128 /dev/sdh2\n",
"blockdev --setra 128 /dev/sdh3\n",
"blockdev --setra 128 /dev/sdh4\n",
"## Create physical and logical volumes\n",
"dd if=/dev/zero of=/dev/md0 bs=512 count=1\n",
"pvcreate /dev/md0\n",
"vgcreate vg0 /dev/md0\n",
"lvcreate -l 90%vg -n data vg0\n",
"lvcreate -l 5%vg -n log vg0\n",
"lvcreate -l 5%vg -n journal vg0\n",
"## Create filesystems and mount point info\n",
"mke2fs -t ext4 -F /dev/vg0/data > /tmp/mke2fs1.log 2>&1\n",
"mke2fs -t ext4 -F /dev/vg0/log > /tmp/mke2fs2.log 2>&1\n",
"mke2fs -t ext4 -F /dev/vg0/journal > /tmp/mke2fs3.log 2>&1\n",
"mkdir /data\n",
"mkdir /log\n",
"mkdir /journal\n",
"echo '/dev/vg0/data /data ext4 defaults,auto,noatime,noexec 0 0' | tee -a /etc/fstab\n",
"echo '/dev/vg0/log /log ext4 defaults,auto,noatime,noexec 0 0' | tee -a /etc/fstab\n",
"echo '/dev/vg0/journal /journal ext4 defaults,auto,noatime,noexec 0 0' | tee -a /etc/fstab\n",
"mount /data > /tmp/mount1.log 2>&1\n",
"mount /log > /tmp/mount2.log 2>&1\n",
"mount /journal > /tmp/mount3.log 2>&1\n",
"ln -s /journal /data/journal\n",
"chown -R mongod:mongod /data > /tmp/chown1.log 2>&1\n",
"chown -R mongod:mongod /log > /tmp/chown2.log 2>&1\n",
"chown -R mongod:mongod /journal > /tmp/chown3.log 2>&1\n",
"## Update mongod configuration\n",
"cat <<EOF > /etc/mongod.conf\n",
"logpath=/log/mongod.log\n",
"logappend=true\n",
"fork=true\n",
"dbpath=/data\n",
"rest=true\n",
"replSet=", { "Ref" : "ReplicaSetName" } ,"\n",
"EOF\n",
"## Start mongod\n",
"/etc/init.d/mongod start > /tmp/mongod-start.log 2>&1\n",
"## Waiting until mongod has started\n",
"sleep 120\n",
"## Create replica set configuration\n",
"## The following is only needed on the PRIMARY\n",
"HOSTNAME=`/usr/bin/curl -s http://169.254.169.254/latest/meta-data/public-hostname`\n",
"cat <<EOF > /tmp/replicaSetConfigInit.js\n",
"config = {_id: \"", { "Ref" : "ReplicaSetName" } ,"\", members : [",
"{_id : 0, host:\"$HOSTNAME:27017\"},",
"{_id : 1, host:\"", { "Fn::GetAtt" : ["ReplicaSetMember1", "Outputs.ReplicaSetMemberName"] },":27017\"},",
"{_id : 2, host:\"", { "Fn::GetAtt" : ["ReplicaSetMember2", "Outputs.ReplicaSetMemberName"] },":27017\"}",
"]};\n",
"rs.initiate(config);\n",
"EOF\n",
"/usr/bin/mongo /tmp/replicaSetConfigInit.js > /tmp/replica-setup.log 2>&1\n",
"## CloudFormation signal that setup is complete\n",
"/opt/aws/bin/cfn-signal -e 0 -r \"MongoInstanceP1 setup complete\" '", { "Ref" : "WaitHandleP1" }, "'\n"
] ] } }
}
},
"MongoVolume1P1" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : { "Ref" : "VolumeSize" },
"AvailabilityZone" : { "Fn::GetAtt" : [ "MongoInstanceP1", "AvailabilityZone" ]}
}
},
"MongoVolume2P1" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : { "Ref" : "VolumeSize" },
"AvailabilityZone" : { "Fn::GetAtt" : [ "MongoInstanceP1", "AvailabilityZone" ]}
}
},
"MongoVolume3P1" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : { "Ref" : "VolumeSize" },
"AvailabilityZone" : { "Fn::GetAtt" : [ "MongoInstanceP1", "AvailabilityZone" ]}
}
},
"MongoVolume4P1" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : { "Ref" : "VolumeSize" },
"AvailabilityZone" : { "Fn::GetAtt" : [ "MongoInstanceP1", "AvailabilityZone" ]}
}
},
"MongoVolumeMount1P1" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "MongoInstanceP1" },
"VolumeId" : { "Ref" : "MongoVolume1P1" },
"Device" : "/dev/sdh1"
}
},
"MongoVolumeMount2P1" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "MongoInstanceP1" },
"VolumeId" : { "Ref" : "MongoVolume2P1" },
"Device" : "/dev/sdh2"
}
},
"MongoVolumeMount3P1" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "MongoInstanceP1" },
"VolumeId" : { "Ref" : "MongoVolume3P1" },
"Device" : "/dev/sdh3"
}
},
"MongoVolumeMount4P1" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "MongoInstanceP1" },
"VolumeId" : { "Ref" : "MongoVolume4P1" },
"Device" : "/dev/sdh4"
}
},
"WaitHandleP1" : {
"Type" : "AWS::CloudFormation::WaitConditionHandle",
"Properties" : {}
},
"WaitConditionP1" : {
"Type" : "AWS::CloudFormation::WaitCondition",
"DependsOn" : "MongoInstanceP1",
"Properties" : {
"Handle" : { "Ref" : "WaitHandleP1" },
"Timeout" : "600"
}
}
},
"Outputs" : {
"ReplicaSetMemberName1" : {
"Value" : { "Fn::GetAtt" : [ "MongoInstanceP1", "PublicDnsName" ] },
"Description" : "public DNS name of the MongoDB replica set member 1"
},
"ReplicaSetMemberName2" : {
"Value" : { "Fn::GetAtt" : [ "ReplicaSetMember1", "Outputs.ReplicaSetMemberName" ] },
"Description" : "public DNS name of the MongoDB replica set member 2"
},
"ReplicaSetMemberName3" : {
"Value" : { "Fn::GetAtt" : [ "ReplicaSetMember2", "Outputs.ReplicaSetMemberName" ] },
"Description" : "public DNS name of the MongoDB replica set member 3"
}
}
}