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Add flocker volume plugin

Browse Source 
Flocker [1] is an open-source container data volume manager for
Dockerized applications.

This PR adds a volume plugin for Flocker.
The plugin interfaces the Flocker Control Service REST API [2] to
attachment attach the volume to the pod.

Each kubelet host should run Flocker agents (Container Agent and Dataset
Agent).

The kubelet will also require environment variables that contain the
host and port of the Flocker Control Service. (see Flocker architecture
[3] for more).

- `FLOCKER_CONTROL_SERVICE_HOST`
- `FLOCKER_CONTROL_SERVICE_PORT`

The contribution introduces a new 'flocker' volume type to the API with
fields:

- `datasetName`: which indicates the name of the dataset in Flocker
  added to metadata;
- `size`: a human-readable number that indicates the maximum size of the
  requested dataset.

Full documentation can be found docs/user-guide/volumes.md and examples
can be found at the examples/ folder

[1] https://clusterhq.com/flocker/introduction/
[2] https://docs.clusterhq.com/en/1.3.1/reference/api.html
[3] https://docs.clusterhq.com/en/1.3.1/concepts/architecture.html
This commit is contained in:
Álex González
2015-09-25 20:22:23 +01:00
parent bd8ee1c4c4
commit fa39c2b032
27 changed files with 1655 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
pkg/api/v1/conversion_generated.go
View File

@@ -790,6 +790,18 @@ func convert_api_FCVolumeSource_To_v1_FCVolumeSource(in *api.FCVolumeSource, out
return autoconvert_api_FCVolumeSource_To_v1_FCVolumeSource(in, out, s)
}
func autoconvert_api_FlockerVolumeSource_To_v1_FlockerVolumeSource(in *api.FlockerVolumeSource, out *FlockerVolumeSource, s conversion.Scope) error {
if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
defaulting.(func(*api.FlockerVolumeSource))(in)
}
out.DatasetName = in.DatasetName
return nil
}
func convert_api_FlockerVolumeSource_To_v1_FlockerVolumeSource(in *api.FlockerVolumeSource, out *FlockerVolumeSource, s conversion.Scope) error {
return autoconvert_api_FlockerVolumeSource_To_v1_FlockerVolumeSource(in, out, s)
}
func autoconvert_api_GCEPersistentDiskVolumeSource_To_v1_GCEPersistentDiskVolumeSource(in *api.GCEPersistentDiskVolumeSource, out *GCEPersistentDiskVolumeSource, s conversion.Scope) error {
if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
defaulting.(func(*api.GCEPersistentDiskVolumeSource))(in)
@@ -1777,6 +1789,14 @@ func autoconvert_api_PersistentVolumeSource_To_v1_PersistentVolumeSource(in *api
} else {
out.FC = nil
}
if in.Flocker != nil {
out.Flocker = new(FlockerVolumeSource)
if err := convert_api_FlockerVolumeSource_To_v1_FlockerVolumeSource(in.Flocker, out.Flocker, s); err != nil {
return err
}
} else {
out.Flocker = nil
}
return nil
}
@@ -2984,6 +3004,14 @@ func autoconvert_api_VolumeSource_To_v1_VolumeSource(in *api.VolumeSource, out *
} else {
out.CephFS = nil
}
if in.Flocker != nil {
out.Flocker = new(FlockerVolumeSource)
if err := convert_api_FlockerVolumeSource_To_v1_FlockerVolumeSource(in.Flocker, out.Flocker, s); err != nil {
return err
}
} else {
out.Flocker = nil
}
if in.DownwardAPI != nil {
out.DownwardAPI = new(DownwardAPIVolumeSource)
if err := convert_api_DownwardAPIVolumeSource_To_v1_DownwardAPIVolumeSource(in.DownwardAPI, out.DownwardAPI, s); err != nil {
@@ -3771,6 +3799,18 @@ func convert_v1_FCVolumeSource_To_api_FCVolumeSource(in *FCVolumeSource, out *ap
return autoconvert_v1_FCVolumeSource_To_api_FCVolumeSource(in, out, s)
}
func autoconvert_v1_FlockerVolumeSource_To_api_FlockerVolumeSource(in *FlockerVolumeSource, out *api.FlockerVolumeSource, s conversion.Scope) error {
if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
defaulting.(func(*FlockerVolumeSource))(in)
}
out.DatasetName = in.DatasetName
return nil
}
func convert_v1_FlockerVolumeSource_To_api_FlockerVolumeSource(in *FlockerVolumeSource, out *api.FlockerVolumeSource, s conversion.Scope) error {
return autoconvert_v1_FlockerVolumeSource_To_api_FlockerVolumeSource(in, out, s)
}
func autoconvert_v1_GCEPersistentDiskVolumeSource_To_api_GCEPersistentDiskVolumeSource(in *GCEPersistentDiskVolumeSource, out *api.GCEPersistentDiskVolumeSource, s conversion.Scope) error {
if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
defaulting.(func(*GCEPersistentDiskVolumeSource))(in)
@@ -4758,6 +4798,14 @@ func autoconvert_v1_PersistentVolumeSource_To_api_PersistentVolumeSource(in *Per
} else {
out.FC = nil
}
if in.Flocker != nil {
out.Flocker = new(api.FlockerVolumeSource)
if err := convert_v1_FlockerVolumeSource_To_api_FlockerVolumeSource(in.Flocker, out.Flocker, s); err != nil {
return err
}
} else {
out.Flocker = nil
}
return nil
}
@@ -5965,6 +6013,14 @@ func autoconvert_v1_VolumeSource_To_api_VolumeSource(in *VolumeSource, out *api.
} else {
out.CephFS = nil
}
if in.Flocker != nil {
out.Flocker = new(api.FlockerVolumeSource)
if err := convert_v1_FlockerVolumeSource_To_api_FlockerVolumeSource(in.Flocker, out.Flocker, s); err != nil {
return err
}
} else {
out.Flocker = nil
}
if in.DownwardAPI != nil {
out.DownwardAPI = new(api.DownwardAPIVolumeSource)
if err := convert_v1_DownwardAPIVolumeSource_To_api_DownwardAPIVolumeSource(in.DownwardAPI, out.DownwardAPI, s); err != nil {
@@ -6022,6 +6078,7 @@ func init() {
autoconvert_api_Event_To_v1_Event,
autoconvert_api_ExecAction_To_v1_ExecAction,
autoconvert_api_FCVolumeSource_To_v1_FCVolumeSource,
autoconvert_api_FlockerVolumeSource_To_v1_FlockerVolumeSource,
autoconvert_api_GCEPersistentDiskVolumeSource_To_v1_GCEPersistentDiskVolumeSource,
autoconvert_api_GitRepoVolumeSource_To_v1_GitRepoVolumeSource,
autoconvert_api_GlusterfsVolumeSource_To_v1_GlusterfsVolumeSource,
@@ -6139,6 +6196,7 @@ func init() {
autoconvert_v1_Event_To_api_Event,
autoconvert_v1_ExecAction_To_api_ExecAction,
autoconvert_v1_FCVolumeSource_To_api_FCVolumeSource,
autoconvert_v1_FlockerVolumeSource_To_api_FlockerVolumeSource,
autoconvert_v1_GCEPersistentDiskVolumeSource_To_api_GCEPersistentDiskVolumeSource,
autoconvert_v1_GitRepoVolumeSource_To_api_GitRepoVolumeSource,
autoconvert_v1_GlusterfsVolumeSource_To_api_GlusterfsVolumeSource,