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clarify apiserver bind-address flag usage

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From the listen godoc:

For TCP networks, if the host in the address parameter is empty or a
literal unspecified IP address, Listen listens on all available unicast
and anycast IP addresses of the local system.

Since the BindNetwork options is "tcp" by default, using an unspecified
address doesn't bind the listener to the IP family.
This commit is contained in:
Antonio Ojea 2020-01-04 10:51:48 +01:00
parent 124a49ca5f
commit 05010d23ac
1 changed files with 1 additions and 1 deletions
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2
staging/src/k8s.io/apiserver/pkg/server/options/serving.go
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@ -143,7 +143,7 @@ func (s *SecureServingOptions) AddFlags(fs *pflag.FlagSet) {
fs.IPVar(&s.BindAddress, "bind-address", s.BindAddress, ""+
"The IP address on which to listen for the --secure-port port. The "+
"associated interface(s) must be reachable by the rest of the cluster, and by CLI/web "+
"clients. If blank, all interfaces will be used (0.0.0.0 for all IPv4 interfaces and :: for all IPv6 interfaces).")
"clients. If blank or an unspecified address (0.0.0.0 or ::), all interfaces will be used.")
desc := "The port on which to serve HTTPS with authentication and authorization."
if s.Required {