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Fix: fix remote error: tls: internal error #1522

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Fix: fix remote error: tls: internal error #1522

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e90c23d
fix tls bug
dongjiang1989 Jul 10, 2024
3aecde0
update by codereview
dongjiang1989 Sep 9, 2024
367331f
Merge branch 'kubernetes-sigs:master' into fix-tlsconfig
dongjiang1989 Sep 9, 2024
601521b
update kubelet_client
dongjiang1989 Sep 9, 2024
4b0bb66
fix unittest case
dongjiang1989 Sep 9, 2024
b4d69e1
fix unittest case
dongjiang1989 Sep 9, 2024
3db8410
mistake
dongjiang1989 May 12, 2025
5c78454
Merge branch 'kubernetes-sigs:master' into fix-tlsconfig
dongjiang1989 May 12, 2025
f177167
Merge branch 'kubernetes-sigs:master' into fix-tlsconfig
dongjiang1989 Jun 24, 2025
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1 change: 1 addition & 0 deletions cmd/metrics-server/app/options/kubelet_client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,7 @@ func (o KubeletClientOptions) Config(restConfig *rest.Config) *client.KubeletCli
config.Client.TLSClientConfig.Insecure = true
config.Client.TLSClientConfig.CAData = nil
config.Client.TLSClientConfig.CAFile = ""
config.Client.TLSClientConfig.NextProtos = []string{"http/1.1", "h2"}
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@dgrisonnet dgrisonnet Jul 2, 2025

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I don't think we should proceed with this change. Kubelet supports http/2 by default, so it would be more efficient to have http/2 over http/1.1 by default.

But if this solves the reported issue, could it be that EKS LB needs to be configured by users to supports http/2?

}
if len(o.KubeletCAFile) > 0 {
config.Client.TLSClientConfig.CAFile = o.KubeletCAFile
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7 changes: 6 additions & 1 deletion cmd/metrics-server/app/options/kubelet_client_test.go
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Expand Up @@ -40,7 +40,7 @@ func TestConfig(t *testing.T) {
CAFile: "CAFile",
CertData: []byte("CertData"),
KeyData: []byte("KeyData"),
CAData: []byte("CAData"),
CAData: []uint8("CAData"),
},
UserAgent: "UserAgent",
}
Expand Down Expand Up @@ -75,8 +75,13 @@ func TestConfig(t *testing.T) {
expectFunc: func() client.KubeletClientConfig {
e := expected
e.Client.Insecure = true
e.Client.KeyFile = "KeyFile"
e.Client.KeyData = []byte("KeyData")
e.Client.CAFile = ""
e.Client.CAData = nil
e.Client.CertFile = "CertFile"
e.Client.CertData = []byte("CertData")
e.Client.NextProtos = []string{"http/1.1", "h2"}
return e
},
},
Expand Down