Copy configuration files and update them:
cp config/kubescaler.conf.example config/kubescaler.conf
Run an application:
go run ./cmd/capacity-service/main.go --kubescaler-config config/kubescaler.conf
Run with a custom UserData:
go run ./cmd/capacity-service/main.go --kubescaler-config config/kubescaler.conf --user-data /userdata.txt
Get a kubescaler config:
➜ $ curl -s -XGET localhost:8081/api/v1/config | jq
{
"sshPubKey": "",
"clusterName": "clusterName",
"masterPrivateAddr": "172.20.1.236",
"kubeAPIPort": "443",
"kubeAPIPassword": "0lLEJhRN",
"providerName": "aws",
"provider": {
"awsIAMRole": "kubernetes-node",
"awsImageID": "ami-cc0900ac",
"awsKeyID": "keyID",
"awsKeyName": "clusterName-key",
"awsRegion": "us-west-1",
"awsSecretKey": "secretKey",
"awsSecurityGroups": "sg-59aff721",
"awsSubnetID": "subnet-7f8daa24",
"awsTags": "KubernetesCluster=clusterName",
"awsVolSize": "100",
"awsVolType": "gp2"
},
"stopped": false,
"nodesCountMin": 0,
"nodesCountMax": 0,
"machineTypes": [],
"maxMachineProvisionTime": 0
}
Update a kubescaler config:
➜ $ curl -s -XPATCH -d'{"nodesCountMin":1000}' localhost:8081/api/v1/config | jq
{
"sshPubKey": "",
"clusterName": "clusterName",
"masterPrivateAddr": "172.20.1.236",
"kubeAPIPort": "443",
"kubeAPIPassword": "0lLEJhRN",
"providerName": "aws",
"provider": {
"awsIAMRole": "kubernetes-node",
"awsImageID": "ami-cc0900ac",
"awsKeyID": "keyID",
"awsKeyName": "clusterName-key",
"awsRegion": "us-west-1",
"awsSecretKey": "secretKey",
"awsSecurityGroups": "sg-59aff721",
"awsSubnetID": "subnet-7f8daa24",
"awsTags": "KubernetesCluster=clusterName",
"awsVolSize": "100",
"awsVolType": "gp2"
},
"stopped": false,
"nodesCountMin": 1000,
"nodesCountMax": 0,
"machineTypes": [],
"maxMachineProvisionTime": 0
}
List all supported machine types:
curl -s localhost:8081/api/v1/machinetypes | jq
[
{
"name": "m4.large",
"cpu": "8Gi",
"memory": "2"
},
{
"name": "m4.xlarge",
"cpu": "16Gi",
"memory": "4"
}
]
Create a kubescaler worker:
➜ $ curl -s -XPOST -d'{"machineType":"m4.large"}' localhost:8081/api/v1/workers | jq
{
"clusterName": "clusterName",
"machineID": "i-01e9c47fede75cb9a",
"machineName": "clusterName-worker-e289335e-9579-11e8-b97f-9cb6d0f71293",
"machineType": "m4.large",
"machineState": "pending",
"createdAt": "2018-08-01T10:58:57Z",
"nodeName": "",
"reserved": false
}
Get a kubescaler worker:
➜ $ curl -s -XGET localhost:8081/api/v1/workers/i-01e9c47fede75cb9a | jq
{
"clusterName": "clusterName",
"machineID": "i-01e9c47fede75cb9a",
"machineName": "clusterName-worker-e289335e-9579-11e8-b97f-9cb6d0f71293",
"machineType": "m4.large",
"machineState": "pending",
"createdAt": "2018-08-01T10:58:57Z",
"nodeName": "",
"reserved": false
}
List kubescaler workers:
➜ $ curl -s localhost:8081/api/v1/workers | jq
[
{
"clusterName": "clusterName",
"machineID": "i-0f48e8430160865a1",
"machineName": "clusterName-node-0cqKZ",
"machineType": "m4.large",
"machineState": "running",
"createdAt": "2018-08-01T09:01:28Z",
"nodeName": "",
"reserved": false
},
{
"clusterName": "clusterName",
"machineID": "i-08da815ee67272756",
"machineName": "clusterName-master",
"machineType": "m4.large",
"machineState": "running",
"createdAt": "2018-08-01T09:01:11Z",
"nodeName": "",
"reserved": false
},
{
"clusterName": "clusterName",
"machineID": "i-01e9c47fede75cb9a",
"machineName": "clusterName-worker-e289335e-9579-11e8-b97f-9cb6d0f71293",
"machineType": "m4.large",
"machineState": "pending",
"createdAt": "2018-08-01T10:58:57Z",
"nodeName": "",
"reserved": false
}
]
Make a worker reserved:
curl -s -XPATCH -d'{"reserved":true}' localhost:8081/api/v1/workers/mocked-worker | jq
{
"clusterName": "",
"machineID": "mocked-worker",
"machineName": "",
"machineType": "",
"machineState": "",
"creationTimestamp": "0001-01-01T00:00:00Z",
"nodeName": "",
"reserved": true
}
Delete a kubescaler worker:
➜ curl -s -XDELETE localhost:8081/api/v1/workers/i-01e9c47fede75cb9a | jq
{
"clusterName": "fake",
"machineID": "i-01e9c47fede75cb9a",
"machineName": "clusterName-worker-e289335e-9579-11e8-b97f-9cb6d0f71293",
"machineType": "m4.large",
"machineState": "terminating",
"createdAt": "2018-08-06T14:26:27.736042905+03:00",
"nodeName": "",
"reserved": false
}
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