/*
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(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(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 types.Container
dbNode, err = admindb.GetContainer(dbConn, ID)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
return
}
var infoResponse swarmapi.DockerInfoResponse
infoResponse, err = swarmapi.DockerInfo()
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusInternalServerError)
return
}
servers := make([]types.Server, len(infoResponse.Output))
i := 0
for i = range infoResponse.Output {
servers[i].ID = infoResponse.Output[i]
servers[i].Name = infoResponse.Output[i]
servers[i].IPAddress = infoResponse.Output[i]
i++
}
var pgdatapath types.Setting
pgdatapath, err = admindb.GetSetting(dbConn, "PG-DATA-PATH")
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
return
}
err = admindb.DeleteContainer(dbConn, ID)
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
return
}
logit.Info.Println("remove 1")
//it is possible that someone can remove a container
//outside of us, so we let it pass that we can't remove
//it
request := &swarmapi.DockerRemoveRequest{}
request.ContainerName = dbNode.Name
_, err = swarmapi.DockerRemove(request)
if err != nil {
logit.Error.Println(err.Error())
}
logit.Info.Println("remove 2")
//send the server a deletevolume command
request2 := &cpmserverapi.DiskDeleteRequest{}
request2.Path = pgdatapath.Value + "/" + dbNode.Name
for _, each := range servers {
_, err = cpmserverapi.DiskDeleteClient(each.Name, request2)
if err != nil {
logit.Error.Println(err.Error())
}
}
logit.Info.Println("remove 3")
//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 := types.SimpleStatus{}
status.Status = "OK"
w.WriteJson(&status)
}
// DeleteCluster deletes an existing cluster definition
func DeleteCluster(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-cluster")
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusUnauthorized)
return
}
ID := r.PathParam("ID")
if ID == "" {
logit.Error.Println("cluster ID required")
rest.Error(w, "cluster ID required", http.StatusBadRequest)
return
}
cluster, err := admindb.GetCluster(dbConn, ID)
if err != nil {
logit.Error.Println(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(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
}
var infoResponse swarmapi.DockerInfoResponse
infoResponse, err = swarmapi.DockerInfo()
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
return
}
i := 0
servers := make([]types.Server, len(infoResponse.Output))
for i = range infoResponse.Output {
servers[i].ID = infoResponse.Output[i]
servers[i].Name = infoResponse.Output[i]
servers[i].IPAddress = infoResponse.Output[i]
i++
}
var pgdatapath types.Setting
pgdatapath, err = admindb.GetSetting(dbConn, "PG-DATA-PATH")
if err != nil {
logit.Error.Println(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
return
}
i = 0
//server := types.Server{}
for i = range containers {
//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 := &swarmapi.DockerRemoveRequest{}
dremreq.ContainerName = containers[i].Name
//logit.Info.Println("will attempt to delete container " + dremreq.ContainerName)
_, err = swarmapi.DockerRemove(dremreq)
if err != nil {
logit.Error.Println("error when trying to remove container" + err.Error())
}
//send all the servers a deletevolume command
ddreq := &cpmserverapi.DiskDeleteRequest{}
ddreq.Path = pgdatapath.Value + "/" + containers[i].Name
for _, each := range servers {
_, err = cpmserverapi.DiskDeleteClient(each.Name, ddreq)
if err != nil {
logit.Error.Println("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(err.Error())
rest.Error(w, err.Error(), http.StatusBadRequest)
return
}
}
status := types.SimpleStatus{}
status.Status = "OK"
w.WriteHeader(http.StatusOK)
w.WriteJson(&status)
}