mirror of https://github.com/linkerd/linkerd2.git
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package cmd
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import (
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"bytes"
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"io"
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"os"
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"text/template"
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"github.com/linkerd/linkerd2/cli/installsp"
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"github.com/linkerd/linkerd2/pkg/healthcheck"
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"github.com/linkerd/linkerd2/pkg/k8s"
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"github.com/spf13/cobra"
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)
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func newCmdInstallSP() *cobra.Command {
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cmd := &cobra.Command{
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Use: "install-sp [flags]",
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Short: "Output Kubernetes configs to install Linkerd Service Profiles",
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Long: `Output Kubernetes configs to install Linkerd Service Profiles.
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This command installs Service Profiles into the Linkerd control plane. A
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cluster-wide Linkerd control-plane is a prerequisite. To confirm Service Profile
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support, verify "kubectl api-versions" outputs "linkerd.io/v1alpha2".`,
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RunE: func(cmd *cobra.Command, args []string) error {
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k8sAPI, err := k8s.NewAPI(kubeconfigPath, kubeContext, impersonate, impersonateGroup, 0)
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if err != nil {
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return err
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}
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_, values, err := healthcheck.FetchCurrentConfiguration(cmd.Context(), k8sAPI, controlPlaneNamespace)
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if err != nil {
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return err
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}
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clusterDomain := values.GetGlobal().ClusterDomain
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if clusterDomain == "" {
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clusterDomain = defaultClusterDomain
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}
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return renderSP(os.Stdout, controlPlaneNamespace, clusterDomain)
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},
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}
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return cmd
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}
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func renderSP(w io.Writer, namespace, clusterDomain string) error {
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template, err := template.New("linkerd").Parse(installsp.Template)
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if err != nil {
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return err
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}
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buf := &bytes.Buffer{}
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err = template.Execute(buf, map[string]string{"Namespace": namespace, "ClusterDomain": clusterDomain})
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if err != nil {
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return err
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}
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w.Write(buf.Bytes())
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w.Write([]byte("---\n"))
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return nil
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}
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