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Removed config maps and replaced with rados omaps

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Existing config maps are now replaced with rados omaps that help
store information regarding the requested volume names and the rbd
image names backing the same.

Further to detect cluster, pool and which image a volume ID refers
to, changes to volume ID encoding has been done as per provided
design specification in the stateless ceph-csi proposal.

Additional changes and updates,
- Updated documentation
- Updated manifests
- Updated Helm chart
- Addressed a few csi-test failures

Signed-off-by: ShyamsundarR <srangana@redhat.com>
This commit is contained in:
ShyamsundarR
2019-04-22 17:35:39 -04:00
committed by mergify[bot]
parent f60a07ae82
commit d02e50aa9b
40 changed files with 2379 additions and 1373 deletions
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25
cmd/cephcsi.go
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@ -38,20 +38,20 @@ const (
var (
// common flags
vtype = flag.String("type", "", "driver type [rbd|cephfs]")
endpoint = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
driverName = flag.String("drivername", "", "name of the driver")
nodeID = flag.String("nodeid", "", "node id")
metadataStorage = flag.String("metadatastorage", "", "metadata persistence method [node|k8s_configmap]")
vtype = flag.String("type", "", "driver type [rbd|cephfs]")
endpoint = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
driverName = flag.String("drivername", "", "name of the driver")
nodeID = flag.String("nodeid", "", "node id")
// rbd related flags
containerized = flag.Bool("containerized", true, "whether run as containerized")
configRoot = flag.String("configroot", "/etc/csi-config", "directory in which CSI specific Ceph"+
" cluster configurations are present, OR the value \"k8s_objects\" if present as kubernetes secrets")
instanceID = flag.String("instanceid", "", "Unique ID distinguishing this instance of Ceph CSI among other"+
" instances, when sharing Ceph clusters across CSI instances for provisioning")
// cephfs related flags
volumeMounter = flag.String("volumemounter", "", "default volume mounter (possible options are 'kernel', 'fuse')")
mountCacheDir = flag.String("mountcachedir", "", "mount info cache save dir")
volumeMounter = flag.String("volumemounter", "", "default volume mounter (possible options are 'kernel', 'fuse')")
mountCacheDir = flag.String("mountcachedir", "", "mount info cache save dir")
metadataStorage = flag.String("metadatastorage", "", "metadata persistence method [node|k8s_configmap]")
)
func init() {
@ -107,13 +107,8 @@ func main() {
switch driverType {
case rbdType:
rbd.PluginFolder = rbd.PluginFolder + dname
cp, err := util.CreatePersistanceStorage(
rbd.PluginFolder, *metadataStorage, dname)
if err != nil {
os.Exit(1)
}
driver := rbd.NewDriver()
driver.Run(dname, *nodeID, *endpoint, *configRoot, *containerized, cp)
driver.Run(dname, *nodeID, *endpoint, *instanceID, *containerized)
case cephfsType:
cephfs.PluginFolder = cephfs.PluginFolder + dname