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Merge pull request #76627 from timoreimann/handle-missing-gce-lb-flag-gracefully 

Suppress registering GCE LB provider flag if missing on CommandLine.
k3s-v1.15.3
Kubernetes Prow Robot 2019-05-03 21:01:39 -07:00 committed by GitHub
parent c3ebf67c63 16c150c15d
commit e1fa195451
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1 changed files with 7 additions and 3 deletions
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10
cmd/cloud-controller-manager/app/controllermanager.go
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@ -18,6 +18,7 @@ package app
import (
"context"
"flag"
"fmt"
"net/http"
"os"
@ -86,9 +87,12 @@ the cloud specific control loops shipped with Kubernetes.`,
namedFlagSets := s.Flags(KnownControllers(), ControllersDisabledByDefault.List())
verflag.AddFlags(namedFlagSets.FlagSet("global"))
globalflag.AddGlobalFlags(namedFlagSets.FlagSet("global"), cmd.Name())
// hoist this flag from the global flagset to preserve the commandline until
// the gce cloudprovider is removed.
globalflag.Register(namedFlagSets.FlagSet("generic"), "cloud-provider-gce-lb-src-cidrs")
if flag.CommandLine.Lookup("cloud-provider-gce-lb-src-cidrs") != nil {
// hoist this flag from the global flagset to preserve the commandline until
// the gce cloudprovider is removed.
globalflag.Register(namedFlagSets.FlagSet("generic"), "cloud-provider-gce-lb-src-cidrs")
}
for _, f := range namedFlagSets.FlagSets {
fs.AddFlagSet(f)
}