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chore: kube-proxy cluder-cidr arg accepts comma-separated list (#105832)

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* kube-proxy cluder-cidr arg accepts comma-separated list

It is possible in dual-stack clusters to provide kube-proxy with
a comma-separated list with an IPv4 and IPv6 CIDR for pods.

update: signoff
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Signed-off-by: Tyler Lloyd <Tyler.Lloyd@microsoft.com>
Signed-off-by: Tyler Lloyd <tylerlloyd928@gmail.com>

* Updating cluster-cidr comment description

Signed-off-by: Tyler Lloyd <tyler.lloyd@microsoft.com>
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Tyler Lloyd 2022-03-11 05:03:07 -05:00 committed by GitHub
parent 897f2f78a5
commit a7d866f036
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1 changed files with 3 additions and 1 deletions
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4
cmd/kube-proxy/app/server.go
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@ -146,7 +146,9 @@ func (o *Options) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&o.ConfigFile, "config", o.ConfigFile, "The path to the configuration file.") fs.StringVar(&o.ConfigFile, "config", o.ConfigFile, "The path to the configuration file.")
fs.StringVar(&o.WriteConfigTo, "write-config-to", o.WriteConfigTo, "If set, write the default configuration values to this file and exit.") fs.StringVar(&o.WriteConfigTo, "write-config-to", o.WriteConfigTo, "If set, write the default configuration values to this file and exit.")
fs.StringVar(&o.config.ClientConnection.Kubeconfig, "kubeconfig", o.config.ClientConnection.Kubeconfig, "Path to kubeconfig file with authorization information (the master location can be overridden by the master flag).") fs.StringVar(&o.config.ClientConnection.Kubeconfig, "kubeconfig", o.config.ClientConnection.Kubeconfig, "Path to kubeconfig file with authorization information (the master location can be overridden by the master flag).")
fs.StringVar(&o.config.ClusterCIDR, "cluster-cidr", o.config.ClusterCIDR, "The CIDR range of pods in the cluster. When configured, traffic sent to a Service cluster IP from outside this range will be masqueraded and traffic sent from pods to an external LoadBalancer IP will be directed to the respective cluster IP instead. This parameter is ignored if a config file is specified by --config.") fs.StringVar(&o.config.ClusterCIDR, "cluster-cidr", o.config.ClusterCIDR, "The CIDR range of pods in the cluster. When configured, traffic sent to a Service cluster IP from outside this range will be masqueraded and traffic sent from pods to an external LoadBalancer IP will be directed to the respective cluster IP instead. "+
"For dual-stack clusters, a comma-separated list is accepted with at least one CIDR per IP family (IPv4 and IPv6). "+
"This parameter is ignored if a config file is specified by --config.")
fs.StringVar(&o.config.ClientConnection.ContentType, "kube-api-content-type", o.config.ClientConnection.ContentType, "Content type of requests sent to apiserver.") fs.StringVar(&o.config.ClientConnection.ContentType, "kube-api-content-type", o.config.ClientConnection.ContentType, "Content type of requests sent to apiserver.")
fs.StringVar(&o.master, "master", o.master, "The address of the Kubernetes API server (overrides any value in kubeconfig)") fs.StringVar(&o.master, "master", o.master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
fs.StringVar(&o.hostnameOverride, "hostname-override", o.hostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.") fs.StringVar(&o.hostnameOverride, "hostname-override", o.hostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.")