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Merge pull request #1729 from marquiz/devel/topology-ipv6

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topology-updater: properly handle IPv6 from NODE_ADDRESS
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Kubernetes Prow Robot 2024-06-04 04:41:23 -07:00 committed by GitHub
commit 72c0bdb4c2
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1 changed files with 11 additions and 0 deletions
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11
cmd/nfd-topology-updater/main.go
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@ -19,8 +19,10 @@ package main
import (
"flag"
"fmt"
"net"
"os"
"path"
"strings"
"time"
"k8s.io/klog/v2"
@ -91,6 +93,10 @@ func parseArgs(flags *flag.FlagSet, osArgs ...string) (*topology.Args, *resource
"please either define the NODE_ADDRESS environment variable or specify endpoint with the -kubelet-config-uri flag\n", kubeletSecurePort)
os.Exit(1)
}
if isIPv6(nodeAddress) {
// With IPv6 we need to wrap the IP address in brackets as we append :port below
nodeAddress = "[" + nodeAddress + "]"
}
resourcemonitorArgs.KubeletConfigURI = fmt.Sprintf("https://%s:%d/configz", nodeAddress, kubeletSecurePort)
}
@ -128,3 +134,8 @@ func initFlags(flagset *flag.FlagSet) (*topology.Args, *resourcemonitor.Args) {
return args, resourcemonitorArgs
}
func isIPv6(addr string) bool {
ip := net.ParseIP(addr)
return ip != nil && strings.Count(ip.String(), ":") >= 2
}