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Add a flag to disable leader election 

Related to #20.
This commit is contained in:
Robert Munteanu 2020-11-26 23:37:24 +01:00
parent 13cc7371cb
commit 4cef281f64
2 changed files with 18 additions and 2 deletions
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4
README.md
View File

@ -113,7 +113,9 @@ spec:
path: /var/nfs path: /var/nfs
``` ```
You may also want to change the PROVISIONER_NAME above from `fuseim.pri/ifs` to something more descriptive like `nfs-storage`, but if you do remember to also change the PROVISIONER_NAME in the storage class definition below: You may also want to change the PROVISIONER_NAME above from `fuseim.pri/ifs` to something more descriptive like `nfs-storage`, but if you do remember to also change the PROVISIONER_NAME in the storage class definition below.
To disable leader election, define an env variable named ENABLE_LEADER_ELECTION and set its value to false.
**Step 5: Deploying your storage class** **Step 5: Deploying your storage class**

16
cmd/nfs-subdir-external-provisioner/provisioner.go
View File

@ -247,6 +247,15 @@ func main() {
glog.Fatalf("Error getting server version: %v", err) glog.Fatalf("Error getting server version: %v", err)
} }
leaderElection := true
leaderElectionEnv := os.Getenv("ENABLE_LEADER_ELECTION")
if ( leaderElectionEnv != "" ) {
leaderElection, err = strconv.ParseBool(leaderElectionEnv)
if err != nil {
glog.Fatalf("Unable to parse ENABLE_LEADER_ELECTION env var: %v", err)
}
}
clientNFSProvisioner := &nfsProvisioner{ clientNFSProvisioner := &nfsProvisioner{
client: clientset, client: clientset,
server: server, server: server,
@ -254,6 +263,11 @@ func main() {
} }
// Start the provision controller which will dynamically provision efs NFS // Start the provision controller which will dynamically provision efs NFS
// PVs // PVs
pc := controller.NewProvisionController(clientset, provisionerName, clientNFSProvisioner, serverVersion.GitVersion) pc := controller.NewProvisionController(clientset,
provisionerName,
clientNFSProvisioner,
serverVersion.GitVersion,
controller.LeaderElection(leaderElection),
)
pc.Run(wait.NeverStop) pc.Run(wait.NeverStop)
} }