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cloudformation-template.json
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cloudformation-template.json
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "Kubernetes 0.18.2 on EC2 powered by CoreOS 681.0.0 (alpha)",
"Mappings": {
"RegionMap": {
"eu-central-1" : {
"AMI" : "ami-4c4f7151"
},
"ap-northeast-1" : {
"AMI" : "ami-3a35fd3a"
},
"us-gov-west-1" : {
"AMI" : "ami-57117174"
},
"sa-east-1" : {
"AMI" : "ami-fbcc4ae6"
},
"ap-southeast-2" : {
"AMI" : "ami-593c4263"
},
"ap-southeast-1" : {
"AMI" : "ami-3a083668"
},
"us-east-1" : {
"AMI" : "ami-40322028"
},
"us-west-2" : {
"AMI" : "ami-23b58613"
},
"us-west-1" : {
"AMI" : "ami-15618f51"
},
"eu-west-1" : {
"AMI" : "ami-8d1164fa"
}
}
},
"Parameters": {
"InstanceType": {
"Description": "EC2 HVM instance type (m3.medium, etc).",
"Type": "String",
"Default": "m3.medium",
"AllowedValues": [
"m3.medium",
"m3.large",
"m3.xlarge",
"m3.2xlarge",
"c3.large",
"c3.xlarge",
"c3.2xlarge",
"c3.4xlarge",
"c3.8xlarge",
"cc2.8xlarge",
"cr1.8xlarge",
"hi1.4xlarge",
"hs1.8xlarge",
"i2.xlarge",
"i2.2xlarge",
"i2.4xlarge",
"i2.8xlarge",
"r3.large",
"r3.xlarge",
"r3.2xlarge",
"r3.4xlarge",
"r3.8xlarge",
"t2.micro",
"t2.small",
"t2.medium"
],
"ConstraintDescription": "Must be a valid EC2 HVM instance type."
},
"ClusterSize": {
"Description": "Number of nodes in cluster (2-12).",
"Default": "2",
"MinValue": "2",
"MaxValue": "12",
"Type": "Number"
},
"AllowSSHFrom": {
"Description": "The net block (CIDR) that SSH is available to.",
"Default": "0.0.0.0/0",
"Type": "String"
},
"KeyPair": {
"Description": "The name of an EC2 Key Pair to allow SSH access to the instance.",
"Type": "AWS::EC2::KeyPair::KeyName"
},
"VpcId": {
"Description": "The ID of the VPC to launch into.",
"Type": "AWS::EC2::VPC::Id"
},
"SubnetId": {
"Description": "The ID of the subnet to launch into (that must be within the supplied VPC)",
"Type": "AWS::EC2::Subnet::Id"
},
"SubnetAZ": {
"Description": "The availability zone of the subnet supplied (for example eu-west-1a)",
"Type": "String"
}
},
"Conditions": {
"UseEC2Classic": {"Fn::Equals": [{"Ref": "VpcId"}, ""]}
},
"Resources": {
"KubernetesSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"VpcId": {"Fn::If": ["UseEC2Classic", {"Ref": "AWS::NoValue"}, {"Ref": "VpcId"}]},
"GroupDescription": "Kubernetes SecurityGroup",
"SecurityGroupIngress": [
{
"IpProtocol": "tcp",
"FromPort": "22",
"ToPort": "22",
"CidrIp": {"Ref": "AllowSSHFrom"}
}
]
}
},
"KubernetesIngress": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {"Fn::GetAtt": ["KubernetesSecurityGroup", "GroupId"]},
"IpProtocol": "tcp",
"FromPort": "1",
"ToPort": "65535",
"SourceSecurityGroupId": {
"Fn::GetAtt" : [ "KubernetesSecurityGroup", "GroupId" ]
}
}
},
"KubernetesIngressUDP": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {"Fn::GetAtt": ["KubernetesSecurityGroup", "GroupId"]},
"IpProtocol": "udp",
"FromPort": "1",
"ToPort": "65535",
"SourceSecurityGroupId": {
"Fn::GetAtt" : [ "KubernetesSecurityGroup", "GroupId" ]
}
}
},
"KubernetesMasterInstance": {
"Type": "AWS::EC2::Instance",
"Properties": {
"NetworkInterfaces" : [{
"GroupSet" : [{"Fn::GetAtt": ["KubernetesSecurityGroup", "GroupId"]}],
"AssociatePublicIpAddress" : "true",
"DeviceIndex" : "0",
"DeleteOnTermination" : "true",
"SubnetId" : {"Fn::If": ["UseEC2Classic", {"Ref": "AWS::NoValue"}, {"Ref": "SubnetId"}]}
}],
"ImageId": {"Fn::FindInMap" : ["RegionMap", {"Ref": "AWS::Region" }, "AMI"]},
"InstanceType": {"Ref": "InstanceType"},
"KeyName": {"Ref": "KeyPair"},
"Tags" : [
{"Key" : "Name", "Value" : {"Fn::Join" : [ "-", [ {"Ref" : "AWS::StackName"}, "k8s-master" ] ]}},
{"Key" : "KubernetesRole", "Value" : "node"}
],
"UserData": { "Fn::Base64": {"Fn::Join" : ["", [
"#cloud-config\n\n",
"write_files:\n",
"- path: /opt/bin/waiter.sh\n",
" owner: root\n",
" content: |\n",
" #! /usr/bin/bash\n",
" until curl http://127.0.0.1:2379/v2/machines; do sleep 2; done\n",
"coreos:\n",
" etcd2:\n",
" name: master\n",
" initial-cluster-token: k8s_etcd\n",
" initial-cluster: master=http://$private_ipv4:2380\n",
" listen-peer-urls: http://$private_ipv4:2380,http://localhost:2380\n",
" initial-advertise-peer-urls: http://$private_ipv4:2380\n",
" listen-client-urls: http://$private_ipv4:2379,http://localhost:2379\n",
" advertise-client-urls: http://$private_ipv4:2379\n",
" fleet:\n",
" etcd_servers: http://localhost:2379\n",
" metadata: k8srole=master\n",
" flannel:\n",
" etcd_endpoints: http://localhost:2379\n",
" locksmithd:\n",
" endpoint: http://localhost:2379\n",
" units:\n",
" - name: etcd2.service\n",
" command: start\n",
" - name: fleet.service\n",
" command: start\n",
" - name: etcd2-waiter.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=etcd waiter\n",
" Wants=network-online.target\n",
" Wants=etcd2.service\n",
" After=etcd2.service\n",
" After=network-online.target\n",
" Before=flanneld.service fleet.service locksmithd.service\n\n",
" [Service]\n",
" ExecStart=/usr/bin/bash /opt/bin/waiter.sh\n",
" RemainAfterExit=true\n",
" Type=oneshot\n",
" - name: flanneld.service\n",
" command: start\n",
" drop-ins:\n",
" - name: 50-network-config.conf\n",
" content: |\n",
" [Service]\n",
" ExecStartPre=-/usr/bin/etcdctl mk /coreos.com/network/config '{\"Network\": \"10.244.0.0/16\", \"Backend\": {\"Type\": \"vxlan\"}}'\n",
" - name: docker-cache.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=Docker cache proxy\n",
" Requires=early-docker.service\n",
" After=early-docker.service\n",
" Before=early-docker.target\n\n",
" [Service]\n",
" Restart=always\n",
" TimeoutStartSec=0\n",
" RestartSec=5\n",
" Environment=TMPDIR=/var/tmp/\n",
" Environment=DOCKER_HOST=unix:///var/run/early-docker.sock\n",
" ExecStartPre=-/usr/bin/docker kill docker-registry\n",
" ExecStartPre=-/usr/bin/docker rm docker-registry\n",
" ExecStartPre=/usr/bin/docker pull quay.io/devops/docker-registry:latest\n",
" # GUNICORN_OPTS is an workaround for\n",
" # https://github.com/docker/docker-registry/issues/892\n",
" ExecStart=/usr/bin/docker run --rm --net host --name docker-registry \\\n",
" -e STANDALONE=false \\\n",
" -e GUNICORN_OPTS=[--preload] \\\n",
" -e MIRROR_SOURCE=https://registry-1.docker.io \\\n",
" -e MIRROR_SOURCE_INDEX=https://index.docker.io \\\n",
" -e MIRROR_TAGS_CACHE_TTL=1800 \\\n",
" quay.io/devops/docker-registry:latest\n",
" - name: get-kubectl.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=Get kubectl client tool\n",
" Documentation=https://github.com/GoogleCloudPlatform/kubernetes\n",
" Requires=network-online.target\n",
" After=network-online.target\n\n",
" [Service]\n",
" ExecStart=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v0.18.2/bin/linux/amd64/kubectl\n",
" ExecStart=/usr/bin/chmod +x /opt/bin/kubectl\n",
" Type=oneshot\n",
" RemainAfterExit=true\n",
" - name: kube-apiserver.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=Kubernetes API Server\n",
" Documentation=https://github.com/GoogleCloudPlatform/kubernetes\n",
" Requires=etcd2-waiter.service\n",
" After=etcd2-waiter.service\n\n",
" [Service]\n",
" ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v0.18.2/bin/linux/amd64/kube-apiserver\n",
" ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-apiserver\n",
" ExecStart=/opt/bin/kube-apiserver \\\n",
" --insecure-bind-address=0.0.0.0 \\\n",
" --service-cluster-ip-range=10.100.0.0/16 \\\n",
" --etcd-servers=http://localhost:2379\n",
" Restart=always\n",
" RestartSec=10\n",
" - name: kube-controller-manager.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=Kubernetes Controller Manager\n",
" Documentation=https://github.com/GoogleCloudPlatform/kubernetes\n",
" Requires=kube-apiserver.service\n",
" After=kube-apiserver.service\n\n",
" [Service]\n",
" ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v0.18.2/bin/linux/amd64/kube-controller-manager\n",
" ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-controller-manager\n",
" ExecStart=/opt/bin/kube-controller-manager \\\n",
" --master=127.0.0.1:8080\n",
" Restart=always\n",
" RestartSec=10\n",
" - name: kube-scheduler.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=Kubernetes Scheduler\n",
" Documentation=https://github.com/GoogleCloudPlatform/kubernetes\n",
" Requires=kube-apiserver.service\n",
" After=kube-apiserver.service\n\n",
" [Service]\n",
" ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v0.18.2/bin/linux/amd64/kube-scheduler\n",
" ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-scheduler\n",
" ExecStart=/opt/bin/kube-scheduler \\\n",
" --master=127.0.0.1:8080\n",
" Restart=always\n",
" RestartSec=10\n",
" - name: kube-register.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=Kubernetes Registration Service\n",
" Documentation=https://github.com/kelseyhightower/kube-register\n",
" Requires=kube-apiserver.service fleet.service\n",
" After=kube-apiserver.service fleet.service\n\n",
" [Service]\n",
" ExecStartPre=-/usr/bin/wget -nc -O /opt/bin/kube-register https://github.com/kelseyhightower/kube-register/releases/download/v0.0.3/kube-register-0.0.3-linux-amd64\n",
" ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-register\n",
" ExecStart=/opt/bin/kube-register \\\n",
" --metadata=k8srole=node \\\n",
" --fleet-endpoint=unix:///var/run/fleet.sock \\\n",
" --api-endpoint=http://127.0.0.1:8080\n",
" Restart=always\n",
" RestartSec=10\n",
" update:\n",
" group: alpha\n",
" reboot-strategy: off\n"
]]}
}
}
},
"KubernetesNodeLaunchConfig": {
"Type": "AWS::AutoScaling::LaunchConfiguration",
"Properties": {
"ImageId": {"Fn::FindInMap" : ["RegionMap", {"Ref": "AWS::Region" }, "AMI" ]},
"InstanceType": {"Ref": "InstanceType"},
"KeyName": {"Ref": "KeyPair"},
"AssociatePublicIpAddress" : "true",
"SecurityGroups": [{"Fn::If": [
"UseEC2Classic",
{"Ref": "KubernetesSecurityGroup"},
{"Fn::GetAtt": ["KubernetesSecurityGroup", "GroupId"]}]
}],
"UserData": { "Fn::Base64": {"Fn::Join" : ["", [
"#cloud-config\n\n",
"coreos:\n",
" etcd2:\n",
" listen-client-urls: http://localhost:2379\n",
" initial-cluster: master=http://", {"Fn::GetAtt" :["KubernetesMasterInstance" , "PrivateIp"]}, ":2380\n",
" proxy: on\n",
" fleet:\n",
" etcd_servers: http://localhost:2379\n",
" metadata: k8srole=node\n",
" flannel:\n",
" etcd_endpoints: http://localhost:2379\n",
" locksmithd:\n",
" endpoint: http://localhost:2379\n",
" units:\n",
" - name: etcd2.service\n",
" command: start\n",
" - name: fleet.service\n",
" command: start\n",
" - name: flanneld.service\n",
" command: start\n",
" - name: docker.service\n",
" command: start\n",
" drop-ins:\n",
" - name: 50-docker-mirror.conf\n",
" content: |\n",
" [Service]\n",
" Environment=DOCKER_OPTS='--registry-mirror=http://", {"Fn::GetAtt" :["KubernetesMasterInstance" , "PrivateIp"]}, ":5000'\n",
" - name: kubelet.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=Kubernetes Kubelet\n",
" Documentation=https://github.com/GoogleCloudPlatform/kubernetes\n",
" Requires=network-online.target\n",
" After=network-online.target\n\n",
" [Service]\n",
" ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v0.18.2/bin/linux/amd64/kubelet\n",
" ExecStartPre=/usr/bin/chmod +x /opt/bin/kubelet\n",
" ExecStart=/opt/bin/kubelet \\\n",
" --api-servers=", {"Fn::GetAtt" :["KubernetesMasterInstance" , "PrivateIp"]}, ":8080 \\\n",
" --hostname-override=$private_ipv4\n",
" Restart=always\n",
" RestartSec=10\n",
" - name: kube-proxy.service\n",
" command: start\n",
" content: |\n",
" [Unit]\n",
" Description=Kubernetes Proxy\n",
" Documentation=https://github.com/GoogleCloudPlatform/kubernetes\n",
" Requires=network-online.target\n",
" After=network-online.target\n\n",
" [Service]\n",
" ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v0.18.2/bin/linux/amd64/kube-proxy\n",
" ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-proxy\n",
" ExecStart=/opt/bin/kube-proxy \\\n",
" --master=http://", {"Fn::GetAtt" :["KubernetesMasterInstance" , "PrivateIp"]}, ":8080\n",
" Restart=always\n",
" RestartSec=10\n",
" update:\n",
" group: alpha\n",
" reboot-strategy: off\n"
]]}
}
}
},
"KubernetesAutoScalingGroup": {
"Type": "AWS::AutoScaling::AutoScalingGroup",
"Properties": {
"AvailabilityZones": {"Fn::If": ["UseEC2Classic", {"Fn::GetAZs": ""}, [{"Ref": "SubnetAZ"}]]},
"VPCZoneIdentifier": {"Fn::If": ["UseEC2Classic", {"Ref": "AWS::NoValue"}, [{"Ref": "SubnetId"}]]},
"LaunchConfigurationName": {"Ref": "KubernetesNodeLaunchConfig"},
"MinSize": "2",
"MaxSize": "12",
"DesiredCapacity": {"Ref": "ClusterSize"},
"Tags" : [
{"Key" : "Name", "Value" : {"Fn::Join" : [ "-", [ {"Ref" : "AWS::StackName"}, "k8s-node" ] ]}, "PropagateAtLaunch" : true},
{"Key" : "KubernetesRole", "Value" : "node", "PropagateAtLaunch" : true}
]
}
}
},
"Outputs": {
"KubernetesMasterPublicIp": {
"Description": "Public Ip of the newly created Kubernetes Master instance",
"Value": {"Fn::GetAtt": ["KubernetesMasterInstance" , "PublicIp"]}
}
}
}