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Implement replicaLoadBalancer boolean flag. (#38)

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The flag adds a replica service with the name cluster_name-repl and
a DNS name that defaults to {cluster}-repl.{team}.{hostedzone}.

The implementation converted Service field of the cluster into a map
with one or two elements and deals with the cases when the new flag
is changed on a running cluster
(the update and the sync should create or delete the replica service).
In order to pick up master and replica service and master endpoint
when listing cluster resources.

* Update the spec when updating the cluster.
This commit is contained in:
Oleksii Kliukin
2017-06-07 13:54:17 +02:00
committed by GitHub
parent 7b0ca31bfb
commit dc36c4ca12
26 changed files with 329 additions and 166 deletions
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pkg/util/volumes/ebs.go
+7 -1
View File
@@ -13,10 +13,12 @@ import (
"k8s.io/client-go/pkg/api/v1"
)
// EBSVolumeResizer implements volume resizing interface for AWS EBS volumes.
type EBSVolumeResizer struct {
connection *ec2.EC2
}
// ConnectToProvider connects to AWS.
func (c *EBSVolumeResizer) ConnectToProvider() error {
sess, err := session.NewSession(&aws.Config{Region: aws.String(constants.AWS_REGION)})
if err != nil {
@@ -26,10 +28,12 @@ func (c *EBSVolumeResizer) ConnectToProvider() error {
return nil
}
// IsConnectedToProvider checks if AWS connection is established.
func (c *EBSVolumeResizer) IsConnectedToProvider() bool {
return c.connection != nil
}
// VolumeBelongsToProvider checks if the given persistent volume is backed by EBS.
func (c *EBSVolumeResizer) VolumeBelongsToProvider(pv *v1.PersistentVolume) bool {
return pv.Spec.AWSElasticBlockStore != nil && pv.Annotations[constants.VolumeStorateProvisionerAnnotation] == constants.EBSProvisioner
}
@@ -47,6 +51,7 @@ func (c *EBSVolumeResizer) GetProviderVolumeID(pv *v1.PersistentVolume) (string,
return volumeID[idx:], nil
}
// ResizeVolume actually calls AWS API to resize the EBS volume if necessary.
func (c *EBSVolumeResizer) ResizeVolume(volumeId string, newSize int64) error {
/* first check if the volume is already of a requested size */
volumeOutput, err := c.connection.DescribeVolumes(&ec2.DescribeVolumesInput{VolumeIds: []*string{&volumeId}})
@@ -89,7 +94,8 @@ func (c *EBSVolumeResizer) ResizeVolume(volumeId string, newSize int64) error {
return false, fmt.Errorf("describe volume modification didn't return one record for volume \"%s\"", volumeId)
}
if *out.VolumesModifications[0].VolumeId != volumeId {
return false, fmt.Errorf("non-matching volume id when describing modifications: \"%s\" is different from \"%s\"")
return false, fmt.Errorf("non-matching volume id when describing modifications: \"%s\" is different from \"%s\"",
*out.VolumesModifications[0].VolumeId, volumeId)
}
return *out.VolumesModifications[0].ModificationState != constants.EBSVolumeStateModifying, nil
})
pkg/util/volumes/volumes.go
+1
View File
@@ -4,6 +4,7 @@ import (
"k8s.io/client-go/pkg/api/v1"
)
// VolumeResizer defines the set of methods used to implememnt provider-specific resizing of persistent volumes.
type VolumeResizer interface {
ConnectToProvider() error
IsConnectedToProvider() bool