/
gke.go
79 lines (64 loc) · 1.85 KB
/
gke.go
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package kube
import (
"context"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/sourcegraph/src-cli/internal/validate"
)
type ClusterInfo struct {
ServiceType string
ProjectId string
Region string
ClusterName string
}
func Gke() Option {
return func(config *Config) {
config.gke = true
}
}
func GkeGcePersistentDiskCSIDrivers(ctx context.Context, config *Config) ([]validate.Result, error) {
var results []validate.Result
checkStorageClassesResults, err := validateStorageClasses(ctx, config)
if err != nil {
results = append(results, validate.Result{
Status: validate.Failure,
Message: "GKE: could not check StorageClasses",
})
return results, nil
}
results = append(results, checkStorageClassesResults...)
return results, nil
}
// validateStorageClasses checks for GKE specific storageClasses:
//
// After the compute engine persistent disk CSI driver is enabled,
// gke automatically installs the standard-rwo and the premium-rwo
// storage classes. This function checks that those storage
// classes exist on the cluster.
//
// Ref: shorturl.at/dnKV0
func validateStorageClasses(ctx context.Context, config *Config) ([]validate.Result, error) {
var results []validate.Result
storageClient := config.clientSet.StorageV1()
storageClasses, err := storageClient.StorageClasses().List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}
classes := 0
for _, item := range storageClasses.Items {
if item.Name == "premium-rwo" || item.Name == "standard-rwo" {
classes += 1
}
}
if classes == 2 {
results = append(results, validate.Result{
Status: validate.Success,
Message: "persistent volumes enabled: validated",
})
return results, nil
}
results = append(results, validate.Result{
Status: validate.Failure,
Message: "validate persistent volumes enabled: failed",
})
return results, nil
}