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sks_authority_cert.go
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sks_authority_cert.go
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package cmd
import (
"encoding/base64"
"fmt"
"strings"
exoapi "github.com/exoscale/egoscale/v2/api"
"github.com/spf13/cobra"
)
var sksAuthorityCertAuthorities = []string{
"aggregation",
"kubelet",
}
type sksAuthorityCertCmd struct {
cliCommandSettings `cli-cmd:"-"`
_ bool `cli-cmd:"authority-cert"`
Cluster string `cli-arg:"#" cli-usage:"CLUSTER-NAME|ID"`
Authority string `cli-arg:"#"`
Zone string `cli-short:"z" cli-usage:"SKS cluster zone"`
}
func (c *sksAuthorityCertCmd) cmdAliases() []string { return nil }
func (c *sksAuthorityCertCmd) cmdShort() string {
return "Retrieve an authority certificate for an SKS cluster"
}
func (c *sksAuthorityCertCmd) cmdLong() string {
return fmt.Sprintf(`This command retrieves the certificate content for the specified Kubernetes
cluster authority. Supported authorities:
Supported authorities: %s`,
strings.Join(sksAuthorityCertAuthorities, ", "))
}
func (c *sksAuthorityCertCmd) cmdPreRun(cmd *cobra.Command, args []string) error {
cmdSetZoneFlagFromDefault(cmd)
return cliCommandDefaultPreRun(c, cmd, args)
}
func (c *sksAuthorityCertCmd) cmdRun(cmd *cobra.Command, _ []string) error {
var authOK bool
for _, v := range sksAuthorityCertAuthorities {
if c.Authority == v {
authOK = true
break
}
}
if !authOK {
cmdExitOnUsageError(cmd, fmt.Sprintf("unsupported authority value %q", c.Authority))
}
ctx := exoapi.WithEndpoint(gContext, exoapi.NewReqEndpoint(gCurrentAccount.Environment, c.Zone))
cluster, err := cs.FindSKSCluster(ctx, c.Zone, c.Cluster)
if err != nil {
return err
}
b64Cert, err := cs.GetSKSClusterAuthorityCert(ctx, c.Zone, cluster, c.Authority)
if err != nil {
return fmt.Errorf("error retrieving certificate: %w", err)
}
cert, err := base64.StdEncoding.DecodeString(b64Cert)
if err != nil {
return fmt.Errorf("error decoding certificate content: %w", err)
}
fmt.Print(string(cert))
return nil
}
func init() {
cobra.CheckErr(registerCLICommand(sksCmd, &sksAuthorityCertCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
// FIXME: remove this someday.
cobra.CheckErr(registerCLICommand(deprecatedSKSCmd, &sksAuthorityCertCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
}