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Updates k8s-proxy's config so its auth mode config matches that we set in kube-apiserver ProxyGroups for consistency. Updates #13358 Change-Id: I95e29cec6ded2dc7c6d2d03f968a25c822bc0e01 Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build !plan9
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package main
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import (
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"fmt"
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"log"
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"os"
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"tailscale.com/kube/kubetypes"
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"tailscale.com/types/ptr"
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)
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func parseAPIProxyMode() *kubetypes.APIServerProxyMode {
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haveAuthProxyEnv := os.Getenv("AUTH_PROXY") != ""
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haveAPIProxyEnv := os.Getenv("APISERVER_PROXY") != ""
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switch {
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case haveAPIProxyEnv && haveAuthProxyEnv:
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log.Fatal("AUTH_PROXY (deprecated) and APISERVER_PROXY are mutually exclusive, please unset AUTH_PROXY")
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case haveAuthProxyEnv:
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var authProxyEnv = defaultBool("AUTH_PROXY", false) // deprecated
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if authProxyEnv {
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return ptr.To(kubetypes.APIServerProxyModeAuth)
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}
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return nil
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case haveAPIProxyEnv:
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var apiProxyEnv = defaultEnv("APISERVER_PROXY", "") // true, false or "noauth"
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switch apiProxyEnv {
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case "true":
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return ptr.To(kubetypes.APIServerProxyModeAuth)
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case "false", "":
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return nil
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case "noauth":
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return ptr.To(kubetypes.APIServerProxyModeNoAuth)
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default:
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panic(fmt.Sprintf("unknown APISERVER_PROXY value %q", apiProxyEnv))
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}
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}
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return nil
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}
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