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package capabilities
import (
"context"
"encoding/json"
"google.golang.org/api/compute/v1"
"net/http"
)
// NewGKEZonesHandler creates a new GKEZonesHandler
func NewGKEZonesHandler() *GKEZonesHandler {
return &GKEZonesHandler{}
}
// GKEZonesHandler for listing available GKE zones
type GKEZonesHandler struct {
Field string
}
type zoneCapabilitiesRequestBody struct {
capabilitiesRequestBody
Zone string `json:"zone"`
}
func (g *GKEZonesHandler) ServeHTTP(writer http.ResponseWriter, req *http.Request) {
if req.Method != http.MethodPost {
writer.WriteHeader(http.StatusMethodNotAllowed)
return
}
writer.Header().Set("Content-Type", "application/json")
var body zoneCapabilitiesRequestBody
err := extractRequestBody(writer, req, &body)
if err != nil {
handleErr(writer, err)
return
}
err = validateCapabilitiesRequestBody(writer, &body.capabilitiesRequestBody)
if err != nil {
handleErr(writer, err)
return
}
client, err := g.getServiceClient(context.Background(), body.Credentials)
if err != nil {
writer.WriteHeader(http.StatusInternalServerError)
handleErr(writer, err)
return
}
result, err := client.Zones.List(body.ProjectID).Do()
if err != nil {
writer.WriteHeader(http.StatusInternalServerError)
handleErr(writer, err)
return
}
serialized, err := json.Marshal(result)
if err != nil {
writer.WriteHeader(http.StatusInternalServerError)
handleErr(writer, err)
return
}
writer.Write(serialized)
}
func (g *GKEZonesHandler) getServiceClient(ctx context.Context, credentialContent string) (*compute.Service, error) {
client, err := getOAuthClient(ctx, credentialContent)
if err != nil {
return nil, err
}
service, err := compute.New(client)
if err != nil {
return nil, err
}
return service, nil
}
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