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create separate packages, endpoints, and components for HelmVM cluste…
…r management functionalities (#4057) * create separate packages, endpoints, and components for HelmVM cluster management functionalities
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package handlers | ||
|
|
||
| import ( | ||
| "context" | ||
| "net/http" | ||
|
|
||
| "github.com/gorilla/mux" | ||
| "github.com/replicatedhq/kots/pkg/helmvm" | ||
| "github.com/replicatedhq/kots/pkg/k8sutil" | ||
| "github.com/replicatedhq/kots/pkg/logger" | ||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| func (h *Handler) DeleteHelmVMNode(w http.ResponseWriter, r *http.Request) { | ||
| client, err := k8sutil.GetClientset() | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| restconfig, err := k8sutil.GetClusterConfig() | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| ctx := context.Background() | ||
| nodeName := mux.Vars(r)["nodeName"] | ||
| node, err := client.CoreV1().Nodes().Get(ctx, nodeName, metav1.GetOptions{}) | ||
| if err != nil { | ||
| if errors.IsNotFound(err) { | ||
| logger.Errorf("Failed to delete node %s: not found", nodeName) | ||
| w.WriteHeader(http.StatusNotFound) | ||
| return | ||
| } | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| if err := helmvm.DeleteNode(ctx, client, restconfig, node); err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
| logger.Infof("Node %s successfully deleted", node.Name) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package handlers | ||
|
|
||
| import ( | ||
| "context" | ||
| "net/http" | ||
|
|
||
| "github.com/gorilla/mux" | ||
| "github.com/replicatedhq/kots/pkg/helmvm" | ||
| "github.com/replicatedhq/kots/pkg/k8sutil" | ||
| "github.com/replicatedhq/kots/pkg/logger" | ||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| func (h *Handler) DrainHelmVMNode(w http.ResponseWriter, r *http.Request) { | ||
| client, err := k8sutil.GetClientset() | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| ctx := context.Background() | ||
| nodeName := mux.Vars(r)["nodeName"] | ||
| node, err := client.CoreV1().Nodes().Get(ctx, nodeName, metav1.GetOptions{}) | ||
| if err != nil { | ||
| if errors.IsNotFound(err) { | ||
| logger.Errorf("Failed to drain node %s: not found", nodeName) | ||
| w.WriteHeader(http.StatusNotFound) | ||
| return | ||
| } | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| // This pod may get evicted and not be able to respond to the request | ||
| go func() { | ||
| if err := helmvm.DrainNode(ctx, client, node); err != nil { | ||
| logger.Error(err) | ||
| return | ||
| } | ||
| logger.Infof("Node %s successfully drained", node.Name) | ||
| }() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| package handlers | ||
|
|
||
| import ( | ||
| "net/http" | ||
|
|
||
| "github.com/replicatedhq/kots/pkg/helmvm" | ||
| "github.com/replicatedhq/kots/pkg/k8sutil" | ||
| "github.com/replicatedhq/kots/pkg/logger" | ||
| ) | ||
|
|
||
| func (h *Handler) GetHelmVMNodes(w http.ResponseWriter, r *http.Request) { | ||
| client, err := k8sutil.GetClientset() | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| nodes, err := helmvm.GetNodes(client) | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
| JSON(w, http.StatusOK, nodes) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package handlers | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "time" | ||
|
|
||
| "github.com/replicatedhq/kots/pkg/helmvm" | ||
| "github.com/replicatedhq/kots/pkg/k8sutil" | ||
| "github.com/replicatedhq/kots/pkg/logger" | ||
| ) | ||
|
|
||
| type GenerateHelmVMNodeJoinCommandResponse struct { | ||
| Command []string `json:"command"` | ||
| Expiry string `json:"expiry"` | ||
| } | ||
|
|
||
| func (h *Handler) GenerateHelmVMNodeJoinCommandSecondary(w http.ResponseWriter, r *http.Request) { | ||
| client, err := k8sutil.GetClientset() | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| command, expiry, err := helmvm.GenerateAddNodeCommand(client, false) | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
| JSON(w, http.StatusOK, GenerateHelmVMNodeJoinCommandResponse{ | ||
| Command: command, | ||
| Expiry: expiry.Format(time.RFC3339), | ||
| }) | ||
| } | ||
|
|
||
| func (h *Handler) GenerateHelmVMNodeJoinCommandPrimary(w http.ResponseWriter, r *http.Request) { | ||
| client, err := k8sutil.GetClientset() | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
|
|
||
| command, expiry, err := helmvm.GenerateAddNodeCommand(client, true) | ||
| if err != nil { | ||
| logger.Error(err) | ||
| w.WriteHeader(http.StatusInternalServerError) | ||
| return | ||
| } | ||
| JSON(w, http.StatusOK, GenerateHelmVMNodeJoinCommandResponse{ | ||
| Command: command, | ||
| Expiry: expiry.Format(time.RFC3339), | ||
| }) | ||
| } |
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