don't require a default provider VSL if there's only 1

Signed-off-by: Steve Kriss <steve@heptio.com>
This commit is contained in:
Steve Kriss
2018-10-26 12:45:40 -06:00
parent 39d9155267
commit b818cc2769
4 changed files with 124 additions and 179 deletions
+2 -45
View File
@@ -273,60 +273,17 @@ func (s *server) run() error {
Warnf("Default backup storage location %q not found; backups must explicitly specify a location", s.config.defaultBackupLocation)
}
defaultVolumeSnapshotLocations, err := getDefaultVolumeSnapshotLocations(s.arkClient, s.namespace, s.config.defaultVolumeSnapshotLocations)
if err != nil {
return err
}
if err := s.initRestic(); err != nil {
return err
}
if err := s.runControllers(defaultVolumeSnapshotLocations); err != nil {
if err := s.runControllers(s.config.defaultVolumeSnapshotLocations); err != nil {
return err
}
return nil
}
func getDefaultVolumeSnapshotLocations(arkClient clientset.Interface, namespace string, defaultVolumeSnapshotLocations map[string]string) (map[string]*api.VolumeSnapshotLocation, error) {
providerDefaults := make(map[string]*api.VolumeSnapshotLocation)
if len(defaultVolumeSnapshotLocations) == 0 {
return providerDefaults, nil
}
volumeSnapshotLocations, err := arkClient.ArkV1().VolumeSnapshotLocations(namespace).List(metav1.ListOptions{})
if err != nil {
return providerDefaults, errors.WithStack(err)
}
providerLocations := make(map[string][]*api.VolumeSnapshotLocation)
for i, vsl := range volumeSnapshotLocations.Items {
locations := providerLocations[vsl.Spec.Provider]
providerLocations[vsl.Spec.Provider] = append(locations, &volumeSnapshotLocations.Items[i])
}
for provider, locations := range providerLocations {
defaultLocation, ok := defaultVolumeSnapshotLocations[provider]
if !ok {
return providerDefaults, errors.Errorf("missing provider %s. When using default volume snapshot locations, one must exist for every known provider.", provider)
}
for _, location := range locations {
if location.ObjectMeta.Name == defaultLocation {
providerDefaults[provider] = location
break
}
}
if _, ok := providerDefaults[provider]; !ok {
return providerDefaults, errors.Errorf("%s is not a valid volume snapshot location for %s", defaultLocation, provider)
}
}
return providerDefaults, nil
}
// namespaceExists returns nil if namespace can be successfully
// gotten from the kubernetes API, or an error otherwise.
func (s *server) namespaceExists(namespace string) error {
@@ -510,7 +467,7 @@ func (s *server) initRestic() error {
return nil
}
func (s *server) runControllers(defaultVolumeSnapshotLocations map[string]*api.VolumeSnapshotLocation) error {
func (s *server) runControllers(defaultVolumeSnapshotLocations map[string]string) error {
s.logger.Info("Starting controllers")
ctx := s.ctx
-57
View File
@@ -23,7 +23,6 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/heptio/ark/pkg/apis/ark/v1"
fakeclientset "github.com/heptio/ark/pkg/generated/clientset/versioned/fake"
arktest "github.com/heptio/ark/pkg/util/test"
)
@@ -70,59 +69,3 @@ func TestArkResourcesExist(t *testing.T) {
arkAPIResourceList.APIResources = arkAPIResourceList.APIResources[:3]
assert.Error(t, server.arkResourcesExist())
}
func TestDefaultVolumeSnapshotLocations(t *testing.T) {
namespace := "heptio-ark"
arkClient := fakeclientset.NewSimpleClientset()
location := &v1.VolumeSnapshotLocation{ObjectMeta: metav1.ObjectMeta{Name: "location1"}, Spec: v1.VolumeSnapshotLocationSpec{Provider: "provider1"}}
arkClient.ArkV1().VolumeSnapshotLocations(namespace).Create(location)
defaultVolumeSnapshotLocations := make(map[string]string)
// No defaults
volumeSnapshotLocations, err := getDefaultVolumeSnapshotLocations(arkClient, namespace, defaultVolumeSnapshotLocations)
assert.Equal(t, 0, len(volumeSnapshotLocations))
assert.NoError(t, err)
// Bad location
defaultVolumeSnapshotLocations["provider1"] = "badlocation"
volumeSnapshotLocations, err = getDefaultVolumeSnapshotLocations(arkClient, namespace, defaultVolumeSnapshotLocations)
assert.Equal(t, 0, len(volumeSnapshotLocations))
assert.Error(t, err)
// Bad provider
defaultVolumeSnapshotLocations["provider2"] = "badlocation"
volumeSnapshotLocations, err = getDefaultVolumeSnapshotLocations(arkClient, namespace, defaultVolumeSnapshotLocations)
assert.Equal(t, 0, len(volumeSnapshotLocations))
assert.Error(t, err)
// Good provider, good location
delete(defaultVolumeSnapshotLocations, "provider2")
defaultVolumeSnapshotLocations["provider1"] = "location1"
volumeSnapshotLocations, err = getDefaultVolumeSnapshotLocations(arkClient, namespace, defaultVolumeSnapshotLocations)
assert.Equal(t, 1, len(volumeSnapshotLocations))
assert.NoError(t, err)
location2 := &v1.VolumeSnapshotLocation{ObjectMeta: metav1.ObjectMeta{Name: "location2"}, Spec: v1.VolumeSnapshotLocationSpec{Provider: "provider2"}}
arkClient.ArkV1().VolumeSnapshotLocations(namespace).Create(location2)
// Mutliple Provider/Location 1 good, 1 bad
defaultVolumeSnapshotLocations["provider2"] = "badlocation"
volumeSnapshotLocations, err = getDefaultVolumeSnapshotLocations(arkClient, namespace, defaultVolumeSnapshotLocations)
assert.Error(t, err)
location21 := &v1.VolumeSnapshotLocation{ObjectMeta: metav1.ObjectMeta{Name: "location2-1"}, Spec: v1.VolumeSnapshotLocationSpec{Provider: "provider2"}}
arkClient.ArkV1().VolumeSnapshotLocations(namespace).Create(location21)
location11 := &v1.VolumeSnapshotLocation{ObjectMeta: metav1.ObjectMeta{Name: "location1-1"}, Spec: v1.VolumeSnapshotLocationSpec{Provider: "provider1"}}
arkClient.ArkV1().VolumeSnapshotLocations(namespace).Create(location11)
// Mutliple Provider/Location all good
defaultVolumeSnapshotLocations["provider2"] = "location2"
volumeSnapshotLocations, err = getDefaultVolumeSnapshotLocations(arkClient, namespace, defaultVolumeSnapshotLocations)
assert.Equal(t, 2, len(volumeSnapshotLocations))
assert.NoError(t, err)
assert.Equal(t, volumeSnapshotLocations["provider1"].ObjectMeta.Name, "location1")
assert.Equal(t, volumeSnapshotLocations["provider2"].ObjectMeta.Name, "location2")
}