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MongoDB_ReplicaSetMember.template
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MongoDB_ReplicaSetMember.template
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{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "MonboDB replica set member",
"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"
},
"AccessKeyId" : {
"Description" : "Access Key ID",
"Type" : "String"
},
"SecretAccessKey" : {
"Description" : "Secret Access Key for the specified Access Key ID",
"Type" : "String"
},
"ReplicaSetName" : {
"Description" : "Name of the MongoDB replica set",
"Type" : "String"
},
"SecurityGroupName" : {
"Description" : "MongoDB replica set security group name",
"Type" : "String"
},
"InstanceZone" : {
"Description" : "AvailabilityZone for this instance",
"Type" : "String"
}
},
"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" }
}
},
"Resources" : {
"ReplicaSetMemberInstance" : {
"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"
}
}
}
}
},
"Properties" : {
"InstanceType" : { "Ref" : "InstanceType" },
"ImageId" : { "Fn::FindInMap" : [ "RegionImageZone", { "Ref" : "AWS::Region" },
{ "Fn::FindInMap" : [ "InstanceTypeArch", { "Ref" : "InstanceType" }, "Arch" ] } ] },
"SecurityGroups" : [ { "Ref" : "SecurityGroupName" } ],
"KeyName" : { "Ref" : "KeyName" },
"AvailabilityZone" : {"Ref" : "InstanceZone" },
"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" : "WaitHandleReplicaSetMember" }, "'\n",
" exit 1\n",
"}\n",
"## Initialize CloudFormation bits\n",
"/opt/aws/bin/cfn-init -v -s ", { "Ref" : "AWS::StackName" }, " -r ReplicaSetMemberInstance",
" --access-key ", { "Ref" : "AccessKeyId" },
" --secret-key ", {"Ref": "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",
"## CloudFormation signal that setup is complete\n",
"/opt/aws/bin/cfn-signal -e 0 -r \"ReplicaSetMemberInstance setup complete\" '", { "Ref" : "WaitHandleReplicaSetMember" }, "'\n"
] ] } }
}
},
"MongoVolume1" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : { "Ref" : "VolumeSize" },
"AvailabilityZone" : { "Fn::GetAtt" : [ "ReplicaSetMemberInstance", "AvailabilityZone" ]}
}
},
"MongoVolume2" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : { "Ref" : "VolumeSize" },
"AvailabilityZone" : { "Fn::GetAtt" : [ "ReplicaSetMemberInstance", "AvailabilityZone" ]}
}
},
"MongoVolume3" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : { "Ref" : "VolumeSize" },
"AvailabilityZone" : { "Fn::GetAtt" : [ "ReplicaSetMemberInstance", "AvailabilityZone" ]}
}
},
"MongoVolume4" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : { "Ref" : "VolumeSize" },
"AvailabilityZone" : { "Fn::GetAtt" : [ "ReplicaSetMemberInstance", "AvailabilityZone" ]}
}
},
"MongoVolumeMount1" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "ReplicaSetMemberInstance" },
"VolumeId" : { "Ref" : "MongoVolume1" },
"Device" : "/dev/sdh1"
}
},
"MongoVolumeMount2" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "ReplicaSetMemberInstance" },
"VolumeId" : { "Ref" : "MongoVolume2" },
"Device" : "/dev/sdh2"
}
},
"MongoVolumeMount3" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "ReplicaSetMemberInstance" },
"VolumeId" : { "Ref" : "MongoVolume3" },
"Device" : "/dev/sdh3"
}
},
"MongoVolumeMount4" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "ReplicaSetMemberInstance" },
"VolumeId" : { "Ref" : "MongoVolume4" },
"Device" : "/dev/sdh4"
}
},
"WaitHandleReplicaSetMember" : {
"Type" : "AWS::CloudFormation::WaitConditionHandle",
"Properties" : {}
},
"WaitConditionReplicaSetMember" : {
"Type" : "AWS::CloudFormation::WaitCondition",
"DependsOn" : "ReplicaSetMemberInstance",
"Properties" : {
"Handle" : { "Ref" : "WaitHandleReplicaSetMember" },
"Timeout" : "300"
}
}
},
"Outputs" : {
"ReplicaSetMemberName" : {
"Value" : { "Fn::GetAtt" : [ "ReplicaSetMemberInstance", "PublicDnsName" ] },
"Description" : "public DNS name of the MongoDB Replica Set Member Instance"
}
}
}