mirror of https://github.com/portainer/portainer
67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
package cli
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import (
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"context"
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"fmt"
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portainer "github.com/portainer/portainer/api"
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clientV1 "k8s.io/client-go/tools/clientcmd/api/v1"
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)
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// GetKubeConfig returns kubeconfig for the current user based on:
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// - portainer server url
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// - portainer user bearer token
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// - portainer token data - which maps to k8s service account
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func (kcl *KubeClient) GetKubeConfig(ctx context.Context, apiServerURL string, bearerToken string, tokenData *portainer.TokenData) (*clientV1.Config, error) {
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serviceAccount, err := kcl.GetServiceAccount(tokenData)
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if err != nil {
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errText := fmt.Sprintf("unable to find serviceaccount associated with user; username=%s", tokenData.Username)
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return nil, fmt.Errorf("%s; err=%w", errText, err)
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}
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kubeconfig := generateKubeconfig(apiServerURL, bearerToken, serviceAccount.Name)
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return kubeconfig, nil
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}
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// generateKubeconfig will generate and return kubeconfig resource - usable by `kubectl` cli
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// which will allow the client to connect directly to k8s server endpoint via portainer (proxy)
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func generateKubeconfig(apiServerURL, bearerToken, serviceAccountName string) *clientV1.Config {
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const (
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KubeConfigPortainerContext = "portainer-ctx"
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KubeConfigPortainerCluster = "portainer-cluster"
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)
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return &clientV1.Config{
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APIVersion: "v1",
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Kind: "Config",
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CurrentContext: KubeConfigPortainerContext,
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Contexts: []clientV1.NamedContext{
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{
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Name: KubeConfigPortainerContext,
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Context: clientV1.Context{
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AuthInfo: serviceAccountName,
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Cluster: KubeConfigPortainerCluster,
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},
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},
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},
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Clusters: []clientV1.NamedCluster{
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{
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Name: KubeConfigPortainerCluster,
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Cluster: clientV1.Cluster{
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Server: apiServerURL,
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InsecureSkipTLSVerify: true,
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},
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},
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},
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AuthInfos: []clientV1.NamedAuthInfo{
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{
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Name: serviceAccountName,
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AuthInfo: clientV1.AuthInfo{
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Token: bearerToken,
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},
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},
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},
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}
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}
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