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WIP TBD Signed-off-by: Francesco Romani <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,90 @@ | ||
| /* | ||
| * Copyright 2018 The Kubernetes Authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package main | ||
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|
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| import ( | ||
| "flag" | ||
| "os" | ||
|
|
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| "k8s.io/klog/v2" | ||
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| "github.com/k8stopologyawareschedwg/resource-topology-exporter/pkg/podres" | ||
| "github.com/k8stopologyawareschedwg/resource-topology-exporter/pkg/podres/proxy" | ||
| "github.com/k8stopologyawareschedwg/resource-topology-exporter/pkg/version" | ||
| ) | ||
|
|
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| const ( | ||
| programName = "podresources-proxy" | ||
|
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| defaultKubeletSocketPath = "/var/lib/kubelet/pod-resources/kubelet.sock" | ||
| defaultListenSocketPath = "/run/rte/podresources.sock" | ||
| ) | ||
|
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| type progArgs struct { | ||
| Verbose int | ||
| KubeletSocketPath string | ||
| ListenSocketPath string | ||
| } | ||
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| func setDefaults(pa *progArgs) { | ||
| pa.KubeletSocketPath = defaultKubeletSocketPath | ||
| pa.ListenSocketPath = defaultListenSocketPath | ||
| } | ||
|
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| func parseFlags(pa *progArgs, args ...string) error { | ||
| flags := flag.NewFlagSet(programName, flag.ExitOnError) | ||
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| klog.InitFlags(flags) | ||
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| flags.StringVar(&pa.KubeletSocketPath, "kubelet-socket", pa.KubeletSocketPath, "upstream kubelet podresources socket path.") | ||
| flags.StringVar(&pa.ListenSocketPath, "listen-socket", pa.ListenSocketPath, "downstream listen podresources socket path.") | ||
|
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| return flags.Parse(args) | ||
| } | ||
|
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| func main() { | ||
| klog.InfoS("starting", "program", programName, "version", version.Get()) | ||
| defer klog.InfoS("stopped", "program", programName, "version", version.Get()) | ||
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| var pArgs progArgs | ||
| setDefaults(&pArgs) | ||
| err := parseFlags(&pArgs, os.Args[1:]...) | ||
|
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| if err != nil { | ||
| klog.Fatalf("failed to parse args: %v", err) | ||
| } | ||
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| klog.V(2).InfoS("connection parameters", "kubelet", pArgs.KubeletSocketPath, "listen", pArgs.ListenSocketPath) | ||
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| cli, cleanup, err := podres.GetClient("unix://" + pArgs.KubeletSocketPath) // TODO: do we need smarter logic? | ||
| if err != nil { | ||
| klog.Fatalf("failed to create a podresources client: %v", err) | ||
| } | ||
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| inst := proxy.New(cli, cleanup) | ||
| err = inst.Setup("unix://" + pArgs.ListenSocketPath) // TODO: do we need smarter logic? | ||
| if err != nil { | ||
| klog.Fatalf("failed to setupthe proxied podresources API: %v", err) | ||
| } | ||
|
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| go inst.Serve() | ||
| klog.V(4).InfoS("running...") | ||
|
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| // TODO handle signals | ||
| for { | ||
| } | ||
| } |
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