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Only parse ClusterCIDR, ServiceCIDR if AllocateNodeCIDRs

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ClusterCIDR and ServiceCIDR are settings that are only used if at least
AllocateNodeCIDRs is set. The route controller requires in addition to
it for ConfigureCloudRoutes to be true as well. Since
AllocateNodeCIDRs is by default false, if guard the parsing of these
settings in order to not unnecessarily spam logs. Amend the
documentation of kube-controller-manager for the 2 settings to point
out the requirement of AllocateNodeCIDRs to be true as well
This commit is contained in:
Alexandros Kosiaris
2017-11-01 13:51:07 +02:00
parent 618b705a4b
commit 4dddb8c6b3
2 changed files with 20 additions and 18 deletions
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4
cmd/kube-controller-manager/app/options/options.go
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@@ -195,8 +195,8 @@ func (s *CMServer) AddFlags(fs *pflag.FlagSet, allControllers []string, disabled
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
fs.BoolVar(&s.EnableContentionProfiling, "contention-profiling", false, "Enable lock contention profiling, if profiling is enabled")
fs.StringVar(&s.ClusterName, "cluster-name", s.ClusterName, "The instance prefix for the cluster")
fs.StringVar(&s.ClusterCIDR, "cluster-cidr", s.ClusterCIDR, "CIDR Range for Pods in cluster.")
fs.StringVar(&s.ServiceCIDR, "service-cluster-ip-range", s.ServiceCIDR, "CIDR Range for Services in cluster.")
fs.StringVar(&s.ClusterCIDR, "cluster-cidr", s.ClusterCIDR, "CIDR Range for Pods in cluster. Requires --allocate-node-cidrs to be true")
fs.StringVar(&s.ServiceCIDR, "service-cluster-ip-range", s.ServiceCIDR, "CIDR Range for Services in cluster. Requires --allocate-node-cidrs to be true")
fs.Int32Var(&s.NodeCIDRMaskSize, "node-cidr-mask-size", s.NodeCIDRMaskSize, "Mask size for node cidr in cluster.")
fs.BoolVar(&s.AllocateNodeCIDRs, "allocate-node-cidrs", false,
"Should CIDRs for Pods be allocated and set on the cloud provider.")