// PostCluster updates or inserts a new cluster definition
func PostCluster(w rest.ResponseWriter, r *rest.Request) {
dbConn, err := util.GetConnection(CLUSTERADMIN_DB)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), 400)
return
}
defer dbConn.Close()
//logit.Info.Println("PostCluster: in PostCluster")
cluster := types.Cluster{}
err = r.DecodeJsonPayload(&cluster)
if err != nil {
logit.Error.Println("error in decode" + err.Error())
rest.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = secimpl.Authorize(dbConn, cluster.Token, "perm-cluster")
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusUnauthorized)
return
}
if cluster.Name == "" {
logit.Error.Println("PostCluster: error in Name")
rest.Error(w, "cluster name required", http.StatusBadRequest)
return
}
//logit.Info.Println("PostCluster: have ID=" + cluster.ID + " Name=" + cluster.Name + " type=" + cluster.ClusterType + " status=" + cluster.Status)
dbcluster := types.Cluster{}
dbcluster.ID = cluster.ID
dbcluster.ProjectID = cluster.ProjectID
dbcluster.Name = cluster.Name
dbcluster.ClusterType = cluster.ClusterType
dbcluster.Status = cluster.Status
dbcluster.Containers = cluster.Containers
if cluster.ID == "" {
strid, err := admindb.InsertCluster(dbConn, dbcluster)
newid := strconv.Itoa(strid)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
return
}
cluster.ID = newid
} else {
//logit.Info.Println("PostCluster: about to call UpdateCluster")
err2 := admindb.UpdateCluster(dbConn, dbcluster)
if err2 != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
return
}
}
w.WriteJson(&cluster)
}
// GetCluster returns a given cluster definition
func GetCluster(w rest.ResponseWriter, r *rest.Request) {
dbConn, err := util.GetConnection(CLUSTERADMIN_DB)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), 400)
return
}
defer dbConn.Close()
err = secimpl.Authorize(dbConn, r.PathParam("Token"), "perm-read")
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusUnauthorized)
return
}
ID := r.PathParam("ID")
results, err := admindb.GetCluster(dbConn, ID)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
}
cluster := types.Cluster{}
cluster.ID = results.ID
cluster.ProjectID = results.ProjectID
cluster.Name = results.Name
cluster.ClusterType = results.ClusterType
cluster.Status = results.Status
cluster.CreateDate = results.CreateDate
cluster.Containers = results.Containers
//logit.Info.Println("GetCluser:db call results=" + results.ID)
w.WriteJson(&cluster)
}
// GetCluster returns a cluster object from the database for a given cluster ID
func GetCluster(dbConn *sql.DB, id string) (types.Cluster, error) {
//logit.Info.Println("admindb:GetCluster: called")
cluster := types.Cluster{}
err := dbConn.QueryRow(fmt.Sprintf("select projectid, id, name, clustertype, status, to_char(createdt, 'MM-DD-YYYY HH24:MI:SS') from cluster where id=%s", id)).Scan(&cluster.ProjectID, &cluster.ID, &cluster.Name, &cluster.ClusterType, &cluster.Status, &cluster.CreateDate)
switch {
case err == sql.ErrNoRows:
logit.Info.Println("admindb:GetCluster:no cluster with that id")
return cluster, err
case err != nil:
logit.Info.Println("admindb:GetCluster:" + err.Error())
return cluster, err
default:
logit.Info.Println("admindb:GetCluster: cluster name returned is " + cluster.Name)
}
var containers []types.Container
cluster.Containers = make(map[string]string)
containers, err = GetAllContainersForCluster(dbConn, cluster.ID)
if err != nil {
logit.Info.Println("admindb:GetCluster:" + err.Error())
return cluster, err
}
for i := range containers {
cluster.Containers[containers[i].ID] = containers[i].Name
}
return cluster, nil
}
// GetAllClustersForProject returns a list of cluster objects from the database for a given project
func GetAllClustersForProject(dbConn *sql.DB, projectId string) ([]types.Cluster, error) {
//logit.Info.Println("admindb:GetAllClusters: called")
var rows *sql.Rows
var err error
rows, err = dbConn.Query("select id, projectid, name, clustertype, status, to_char(createdt, 'MM-DD-YYYY HH24:MI:SS') from cluster where projectid = " + projectId + " order by name")
if err != nil {
return nil, err
}
defer rows.Close()
var containers []types.Container
clusters := make([]types.Cluster, 0)
for rows.Next() {
cluster := types.Cluster{}
if err = rows.Scan(
&cluster.ID,
&cluster.ProjectID,
&cluster.Name,
&cluster.ClusterType,
&cluster.Status, &cluster.CreateDate); err != nil {
return nil, err
}
cluster.Containers = make(map[string]string)
containers, err = GetAllContainersForCluster(dbConn, cluster.ID)
if err != nil {
logit.Info.Println("admindb:GetCluster:" + err.Error())
}
for i := range containers {
cluster.Containers[containers[i].ID] = containers[i].Name
logit.Info.Println("admindb:GetCluster: add to map " + cluster.Containers[containers[i].ID])
}
clusters = append(clusters, cluster)
}
if err = rows.Err(); err != nil {
return nil, err
}
return clusters, nil
}
// AutoCluster creates a new cluster
func AutoCluster(w rest.ResponseWriter, r *rest.Request) {
dbConn, err := util.GetConnection(CLUSTERADMIN_DB)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), 400)
return
}
defer dbConn.Close()
logit.Info.Println("AUTO CLUSTER PROFILE starts")
params := AutoClusterInfo{}
err = r.DecodeJsonPayload(¶ms)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = secimpl.Authorize(dbConn, params.Token, "perm-cluster")
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusUnauthorized)
return
}
if params.Name == "" {
logit.Error.Println("AutoCluster: error in Name")
rest.Error(w, "cluster name required", http.StatusBadRequest)
return
}
if params.ClusterType == "" {
logit.Error.Println("AutoCluster: error in ClusterType")
rest.Error(w, "ClusterType name required", http.StatusBadRequest)
return
}
if params.ProjectID == "" {
logit.Error.Println("AutoCluster: error in ProjectID")
rest.Error(w, "ProjectID name required", http.StatusBadRequest)
return
}
if params.ClusterProfile == "" {
logit.Error.Println("AutoCluster: error in ClusterProfile")
rest.Error(w, "ClusterProfile name required", http.StatusBadRequest)
return
}
logit.Info.Println("AutoCluster: Name=" + params.Name + " ClusterType=" + params.ClusterType + " Profile=" + params.ClusterProfile + " ProjectID=" + params.ProjectID)
//create cluster definition
dbcluster := types.Cluster{}
dbcluster.ID = ""
dbcluster.ProjectID = params.ProjectID
dbcluster.Name = util.CleanName(params.Name)
dbcluster.ClusterType = params.ClusterType
dbcluster.Status = "uninitialized"
dbcluster.Containers = make(map[string]string)
var ival int
ival, err = admindb.InsertCluster(dbConn, dbcluster)
clusterID := strconv.Itoa(ival)
dbcluster.ID = clusterID
//logit.Info.Println(clusterID)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, "Insert Cluster error:"+err.Error(), http.StatusBadRequest)
return
}
//lookup profile
profile, err2 := getClusterProfileInfo(dbConn, params.ClusterProfile)
if err2 != nil {
logit.Error.Println(err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
//var masterServer types.Server
//var chosenServers []types.Server
if profile.Algo == "round-robin" {
//masterServer, chosenServers, err2 = roundRobin(dbConn, profile)
} else {
logit.Error.Println("AutoCluster: error-unsupported algorithm request")
rest.Error(w, "AutoCluster error: unsupported algorithm", http.StatusBadRequest)
return
}
//create master container
dockermaster := swarmapi.DockerRunRequest{}
dockermaster.Image = "cpm-node"
dockermaster.ContainerName = params.Name + "-master"
dockermaster.ProjectID = params.ProjectID
dockermaster.Standalone = "false"
dockermaster.Profile = profile.MasterProfile
if err != nil {
logit.Error.Println("AutoCluster: error-create master node " + err.Error())
rest.Error(w, "AutoCluster error"+err.Error(), http.StatusBadRequest)
return
}
// provision the master
logit.Info.Println("dockermaster profile is " + dockermaster.Profile)
_, err2 = provisionImpl(dbConn, &dockermaster, false)
if err2 != nil {
logit.Error.Println("AutoCluster: error-provision master " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
logit.Info.Println("AUTO CLUSTER PROFILE master container created")
var node types.Container
//update node with cluster iD
node, err2 = admindb.GetContainerByName(dbConn, dockermaster.ContainerName)
if err2 != nil {
logit.Error.Println("AutoCluster: error-get node by name " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
node.ClusterID = clusterID
node.Role = "master"
err2 = admindb.UpdateContainer(dbConn, node)
if err2 != nil {
logit.Error.Println("AutoCluster: error-update standby node " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
var sleepSetting types.Setting
sleepSetting, err2 = admindb.GetSetting(dbConn, "SLEEP-PROV")
if err2 != nil {
logit.Error.Println("SLEEP-PROV setting error " + err2.Error())
rest.Error(w, err2.Error(), http.StatusInternalServerError)
return
}
var sleepTime time.Duration
sleepTime, err2 = time.ParseDuration(sleepSetting.Value)
if err2 != nil {
logit.Error.Println(err2.Error())
rest.Error(w, err2.Error(), http.StatusInternalServerError)
return
}
//create standby containers
var count int
count, err2 = strconv.Atoi(profile.Count)
if err2 != nil {
logit.Error.Println(err2.Error())
rest.Error(w, err2.Error(), http.StatusBadRequest)
return
}
dockerstandby := make([]swarmapi.DockerRunRequest, count)
for i := 0; i < count; i++ {
logit.Info.Println("working on standby ....")
// loop - provision standby
dockerstandby[i].ProjectID = params.ProjectID
dockerstandby[i].Image = "cpm-node"
dockerstandby[i].ContainerName = params.Name + "-" + STANDBY + "-" + strconv.Itoa(i)
dockerstandby[i].Standalone = "false"
dockerstandby[i].Profile = profile.StandbyProfile
_, err2 = provisionImpl(dbConn, &dockerstandby[i], true)
if err2 != nil {
logit.Error.Println("AutoCluster: error-provision master " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
//update node with cluster iD
node, err2 = admindb.GetContainerByName(dbConn, dockerstandby[i].ContainerName)
if err2 != nil {
logit.Error.Println("AutoCluster: error-get node by name " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
node.ClusterID = clusterID
node.Role = STANDBY
err2 = admindb.UpdateContainer(dbConn, node)
if err2 != nil {
logit.Error.Println("AutoCluster: error-update standby node " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
}
logit.Info.Println("AUTO CLUSTER PROFILE standbys created")
//create pgpool container
// provision
dockerpgpool := swarmapi.DockerRunRequest{}
dockerpgpool.ContainerName = params.Name + "-pgpool"
dockerpgpool.Image = "cpm-pgpool"
dockerpgpool.ProjectID = params.ProjectID
dockerpgpool.Standalone = "false"
dockerpgpool.Profile = profile.StandbyProfile
_, err2 = provisionImpl(dbConn, &dockerpgpool, true)
if err2 != nil {
logit.Error.Println("AutoCluster: error-provision pgpool " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
logit.Info.Println("AUTO CLUSTER PROFILE pgpool created")
//update node with cluster ID
node, err2 = admindb.GetContainerByName(dbConn, dockerpgpool.ContainerName)
if err2 != nil {
logit.Error.Println("AutoCluster: error-get pgpool node by name " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
node.ClusterID = clusterID
node.Role = "pgpool"
err2 = admindb.UpdateContainer(dbConn, node)
if err2 != nil {
logit.Error.Println("AutoCluster: error-update pgpool node " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
//init the master DB
// provision the master
dockermaster.Profile = profile.MasterProfile
err2 = provisionImplInit(dbConn, &dockermaster, false)
if err2 != nil {
logit.Error.Println("AutoCluster: error-provisionInit master " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
//make sure every node is ready
err2 = waitTillAllReady(dockermaster, dockerpgpool, dockerstandby, sleepTime)
if err2 != nil {
logit.Error.Println("cluster members not responding in time")
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
//configure cluster
// ConfigureCluster
logit.Info.Println("AUTO CLUSTER PROFILE configure cluster ")
err2 = configureCluster(profile.MasterProfile, dbConn, dbcluster, true)
if err2 != nil {
logit.Error.Println("AutoCluster: error-configure cluster " + err2.Error())
rest.Error(w, "AutoCluster error"+err2.Error(), http.StatusBadRequest)
return
}
logit.Info.Println("AUTO CLUSTER PROFILE done")
w.WriteHeader(http.StatusOK)
status := types.SimpleStatus{}
status.Status = "OK"
w.WriteJson(&status)
}