//call dcos deployment module to delete a cluster
func DeleteCluster(cluster entity.Cluster, x_auth_token string) (err error) {
clusterId := cluster.ObjectId.Hex()
//query all unterminated hosts
// _, hosts, _, err := GetHostService().QueryAllByClusterId(clusterId, 0, 0, x_auth_token)
_, hosts, _, err := GetHostService().QueryHosts(clusterId, 0, 0, "unterminated", x_auth_token)
if err != nil {
logrus.Errorf("query hosts in cluster %s error is %v", clusterId, err)
return
}
// var servers []dcosentity.Server
servers := []dcosentity.Server{}
for _, host := range hosts {
//convert entity.Host -> dcosentity.Server
server := dcosentity.Server{}
//need hostname only when delete a node
server.Hostname = host.HostName
servers = append(servers, server)
}
if len(servers) <= 0 {
logrus.Infof("no running host in cluser %s, the cluster will be terminated directly!", cluster.Name)
GetClusterService().UpdateStatusById(clusterId, CLUSTER_STATUS_TERMINATED, x_auth_token)
return
}
request := new(dcosentity.DeleteRequest)
request.UserName = cluster.Owner
request.ClusterName = cluster.Name
request.Servers = servers
_, err = SendDeleteClusterRequest(request)
if err != nil {
logrus.Errorf("send delete cluster requst to dcos deployment error [%v] \n", err)
//update status of all hosts in the cluster FAILED
updateHostStatusInCluster(clusterId, HOST_STATUS_FAILED, x_auth_token)
//update status FAILED
logrus.Infoln("set cluster status to FAILED")
GetClusterService().UpdateStatusById(clusterId, CLUSTER_STATUS_FAILED, x_auth_token)
return
}
//update status of all hosts in the cluster TERMINATED
logrus.Infoln("set cluster hosts to TERMINATED")
updateHostStatusInCluster(clusterId, HOST_STATUS_TERMINATED, x_auth_token)
//update status TERMINATED
logrus.Infoln("set cluster status to TERMINATED")
GetClusterService().UpdateStatusById(clusterId, CLUSTER_STATUS_TERMINATED, x_auth_token)
return
}
//call dcos deployment module to delete nodes
func DeleteNodes(cluster entity.Cluster, hosts []entity.Host, originStatus map[string]string, x_auth_token string) (err error) {
// var servers []dcosentity.Server
servers := []dcosentity.Server{}
for _, host := range hosts {
server := dcosentity.Server{}
server.Hostname = host.HostName
server.IpAddress = host.IP
server.PrivateIpAddress = host.PrivateIp
server.IsMaster = host.IsMasterNode
server.IsSlave = host.IsSlaveNode
server.IsSwarmMaster = host.IsSwarmMaster
server.StoragePath = host.StoragePath
servers = append(servers, server)
}
request := new(dcosentity.DeleteRequest)
request.UserName = cluster.Owner
request.ClusterName = cluster.Name
request.Servers = servers
var deleted_servers *[]dcosentity.Server
deleted_servers, err = SendDeleteNodesRequest(request)
if err != nil {
logrus.Errorf("send delete nodes requst to dcos deployment error [%v] \n", err)
logrus.Infoln("rollback hosts status")
// GetClusterService().UpdateStatusById(cluster.ObjectId.Hex(), CLUSTER_STATUS_RUNNING, x_auth_token)
for _, host := range hosts {
preStatus := originStatus[host.ObjectId.Hex()]
_, _, err := GetHostService().UpdateStatusById(host.ObjectId.Hex(), preStatus, x_auth_token)
if err != nil {
logrus.Warnf("rollback host[%v] status to [%v] error [%v]", host.HostName, preStatus, err)
}
}
return
}
//send deployment success, may success partially
var hostnames []string
for _, server := range *deleted_servers {
hostnames = append(hostnames, server.Hostname)
}
for _, host := range hosts {
var status string
if StringInSlice(host.HostName, hostnames) {
status = HOST_STATUS_TERMINATED
} else {
status = HOST_STATUS_FAILED
}
//update status
_, _, err := GetHostService().UpdateStatusById(host.ObjectId.Hex(), status, x_auth_token)
if err != nil {
logrus.Errorf("update host status error is [%v]", err)
}
}
//update cluster nodes number and status
logrus.Infoln("update cluster number and status")
cluster.Instances = cluster.Instances - len(*deleted_servers)
cluster.Status = CLUSTER_STATUS_RUNNING
GetClusterService().UpdateCluster(cluster, x_auth_token)
// //update cluster status
// logrus.Infoln("set cluster status to RUNNING")
// GetClusterService().UpdateStatusById(cluster.ObjectId.Hex(), CLUSTER_STATUS_RUNNING, x_auth_token)
return
}