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Support using in-cluster kubeconfig #7156

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merged 6 commits into from
Aug 20, 2024
Merged

Support using in-cluster kubeconfig #7156

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ee6d4f9
Add in cluster kubeconfig config
Duke0404 Jul 30, 2024
ed38cbb
Add unique error message for when in-cluster config is not found
Duke0404 Jul 30, 2024
5420a95
Merge branch 'kubernetes:master' into master
Duke0404 Aug 13, 2024
1dba38e
Run gofmt
Duke0404 Aug 14, 2024
23e8371
Merge branch 'kubernetes:master' into master
Duke0404 Aug 19, 2024
351748c
Remove go formatting for unchanged files
Duke0404 Aug 19, 2024
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15 changes: 10 additions & 5 deletions cluster-autoscaler/utils/kubernetes/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,9 +28,10 @@ import (
)

const (
failedToBuildConfigErr = "Failed to build config"
failedToParseK8sUrlErr = "Failed to parse Kubernetes url"
failedToBuildClientConfigErr = "Failed to build Kubernetes client configuration"
failedToBuildConfigErr = "Failed to build config"
failedToParseK8sUrlErr = "Failed to parse Kubernetes url"
failedToBuildClientConfigErr = "Failed to build Kubernetes client configuration"
failedToFindInClusterConfigErr = "Failed to find in-cluster config"
)

// CreateKubeClient creates kube client based on AutoscalingOptions.KubeClientOptions
Expand All @@ -50,7 +51,7 @@ func GetKubeConfig(opts config.KubeClientOptions) *rest.Config {
if err != nil {
klog.Fatalf("%v: %v", failedToBuildConfigErr, err)
}
} else {
} else if opts.Master != "" {
url, err := url.Parse(opts.Master)
if err != nil {
klog.Fatalf("%v: %v", failedToParseK8sUrlErr, err)
Expand All @@ -60,8 +61,12 @@ func GetKubeConfig(opts config.KubeClientOptions) *rest.Config {
if err != nil {
klog.Fatalf("%v: %v", failedToBuildClientConfigErr, err)
}
} else {
kubeConfig, err = rest.InClusterConfig()
if err != nil {
klog.Fatalf("%v: %v", failedToFindInClusterConfigErr, err)
}
}

kubeConfig.QPS = opts.KubeClientQPS
kubeConfig.Burst = opts.KubeClientBurst
kubeConfig.ContentType = opts.APIContentType
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