コード例 #1
0
func DeleteCluster(w rest.ResponseWriter, r *rest.Request) {
	dbConn, err := util.GetConnection(CLUSTERADMIN_DB)
	if err != nil {
		logit.Error.Println("BackupNow: error " + err.Error())
		rest.Error(w, err.Error(), 400)
		return

	}
	defer dbConn.Close()

	err = secimpl.Authorize(dbConn, r.PathParam("Token"), "perm-cluster")
	if err != nil {
		logit.Error.Println("DeleteCluster: authorize error " + err.Error())
		rest.Error(w, err.Error(), http.StatusUnauthorized)
		return
	}

	ID := r.PathParam("ID")
	if ID == "" {
		logit.Error.Println("DeleteCluster: error cluster ID required")
		rest.Error(w, "cluster ID required", http.StatusBadRequest)
		return
	}

	cluster, err := admindb.GetCluster(dbConn, ID)
	if err != nil {
		logit.Error.Println("DeleteCluster:" + err.Error())
		rest.Error(w, err.Error(), http.StatusBadRequest)
	}

	//delete docker containers
	containers, err := admindb.GetAllContainersForCluster(dbConn, cluster.ID)
	if err != nil {
		logit.Error.Println("DeleteCluster:" + err.Error())
		rest.Error(w, err.Error(), http.StatusBadRequest)
	}

	i := 0

	i = 0
	server := admindb.Server{}
	for i = range containers {

		//go get the docker server IPAddress
		server, err = admindb.GetServer(dbConn, containers[i].ServerID)
		if err != nil {
			logit.Error.Println("DeleteCluster:" + err.Error())
			rest.Error(w, err.Error(), http.StatusBadRequest)
			return
		}

		logit.Info.Println("DeleteCluster: got server IP " + server.IPAddress)

		//it is possible that someone can remove a container
		//outside of us, so we let it pass that we can't remove
		//it
		//err = removeContainer(server.IPAddress, containers[i].Name)
		dremreq := &cpmserverapi.DockerRemoveRequest{}
		dremreq.ContainerName = containers[i].Name
		logit.Info.Println("will attempt to delete container " + dremreq.ContainerName)
		var url = "http://" + server.IPAddress + ":10001"
		_, err = cpmserverapi.DockerRemoveClient(url, dremreq)
		if err != nil {
			logit.Error.Println("DeleteCluster: error when trying to remove container" + err.Error())
		}

		//send the server a deletevolume command
		url = "http://" + server.IPAddress + ":10001"
		ddreq := &cpmserverapi.DiskDeleteRequest{}
		ddreq.Path = server.PGDataPath + "/" + containers[i].Name
		_, err = cpmserverapi.DiskDeleteClient(url, ddreq)
		if err != nil {
			logit.Error.Println("DeleteCluster: error when trying to remove disk volume" + err.Error())
		}

		i++
	}

	//delete the container entries
	//delete the cluster entry
	admindb.DeleteCluster(dbConn, ID)

	for i = range containers {

		err = admindb.DeleteContainer(dbConn, containers[i].ID)
		if err != nil {
			logit.Error.Println("DeleteCluster:" + err.Error())
			rest.Error(w, err.Error(), http.StatusBadRequest)
			return
		}
	}

	status := SimpleStatus{}
	status.Status = "OK"
	w.WriteHeader(http.StatusOK)
	w.WriteJson(&status)
}
/*
 TODO refactor this to share code with DeleteCluster!!!!!
*/
func DeleteNode(w rest.ResponseWriter, r *rest.Request) {
	dbConn, err := util.GetConnection(CLUSTERADMIN_DB)
	if err != nil {
		logit.Error.Println("BackupNow: error " + err.Error())
		rest.Error(w, err.Error(), 400)
		return

	}
	defer dbConn.Close()

	err = secimpl.Authorize(dbConn, r.PathParam("Token"), "perm-container")
	if err != nil {
		logit.Error.Println("DeleteNode: validate token error " + err.Error())
		rest.Error(w, err.Error(), http.StatusUnauthorized)
		return
	}

	ID := r.PathParam("ID")
	if ID == "" {
		logit.Error.Println("DeleteNode: error node ID required")
		rest.Error(w, "node ID required", http.StatusBadRequest)
		return
	}

	//go get the node we intend to delete
	var dbNode admindb.Container
	dbNode, err = admindb.GetContainer(dbConn, ID)
	if err != nil {
		logit.Error.Println("DeleteNode: " + err.Error())
		rest.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	//go get the docker server IPAddress
	server := admindb.Server{}
	server, err = admindb.GetServer(dbConn, dbNode.ServerID)
	if err != nil {
		logit.Error.Println("DeleteNode: " + err.Error())
		rest.Error(w, err.Error(), http.StatusBadRequest)
		return
	}
	var url = "http://" + server.IPAddress + ":10001"

	err = admindb.DeleteContainer(dbConn, ID)
	if err != nil {
		logit.Error.Println("DeleteNode: " + err.Error())
		rest.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	logit.Info.Println("got server IP " + server.IPAddress)

	//it is possible that someone can remove a container
	//outside of us, so we let it pass that we can't remove
	//it

	request := &cpmserverapi.DockerRemoveRequest{}
	request.ContainerName = dbNode.Name
	_, err = cpmserverapi.DockerRemoveClient(url, request)
	if err != nil {
		logit.Error.Println("DeleteNode: error when trying to remove container " + err.Error())
	}

	//send the server a deletevolume command
	request2 := &cpmserverapi.DiskDeleteRequest{}
	request2.Path = server.PGDataPath + "/" + dbNode.Name
	_, err = cpmserverapi.DiskDeleteClient(url, request2)
	if err != nil {
		fmt.Println(err.Error())
	}

	//we should not have to delete the DNS entries because
	//of the dnsbridge, it should remove them when we remove
	//the containers via the docker api

	w.WriteHeader(http.StatusOK)
	status := SimpleStatus{}
	status.Status = "OK"
	w.WriteJson(&status)
}