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Add ability to override ports and IPs for source cluster. #53

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merged 3 commits into from
Jun 26, 2024
Merged

Add ability to override ports and IPs for source cluster. #53

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9bcd638
Add ability to override ports and IPs for source cluster.
Miles-Garnsey Jun 24, 2024
40131d2
Public override fields.
Miles-Garnsey Jun 24, 2024
b6dfff0
Update cmd/kubectl-k8ssandra/register/command.go
Miles-Garnsey Jun 26, 2024
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23 changes: 14 additions & 9 deletions cmd/kubectl-k8ssandra/register/command.go
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@ func SetupRegisterClusterCmd(cmd *cobra.Command, streams genericclioptions.IOStr
RegisterClusterCmd.Flags().String("dest-namespace", "k8ssandra-operator", "namespace where secret and clientConfig will be created on destination cluster")
RegisterClusterCmd.Flags().String("serviceaccount-name", "k8ssandra-operator", "serviceaccount name for destination cluster")
RegisterClusterCmd.Flags().String("destination-name", "", "name for remote clientConfig and secret on destination cluster")
RegisterClusterCmd.Flags().String("oride-src-ip", "", "override source IP for when you need to specify a different IP for the source cluster than is contained in kubeconfig")
RegisterClusterCmd.Flags().String("oride-src-port", "", "override source port for when you need to specify a different port for the source cluster than is contained in src kubeconfig")

if err := RegisterClusterCmd.MarkFlagRequired("source-context"); err != nil {
panic(err)
Expand All @@ -38,6 +40,7 @@ func SetupRegisterClusterCmd(cmd *cobra.Command, streams genericclioptions.IOStr
if err := RegisterClusterCmd.MarkFlagRequired("dest-context"); err != nil {
panic(err)
}
RegisterClusterCmd.MarkFlagsRequiredTogether("oride-src-ip", "oride-src-port")
cmd.AddCommand(RegisterClusterCmd)
}

Expand Down Expand Up @@ -69,14 +72,16 @@ func NewRegistrationExecutorFromRegisterClusterCmd(cmd cobra.Command) *Registrat
destName = registration.CleanupForKubernetes(srcContext)
}
return &RegistrationExecutor{
SourceKubeconfig: cmd.Flag("source-kubeconfig").Value.String(),
DestKubeconfig: cmd.Flag("dest-kubeconfig").Value.String(),
SourceContext: srcContext,
DestContext: cmd.Flag("dest-context").Value.String(),
SourceNamespace: cmd.Flag("source-namespace").Value.String(),
DestNamespace: cmd.Flag("dest-namespace").Value.String(),
ServiceAccount: cmd.Flag("serviceaccount-name").Value.String(),
Context: cmd.Context(),
DestinationName: destName,
SourceKubeconfig: cmd.Flag("source-kubeconfig").Value.String(),
DestKubeconfig: cmd.Flag("dest-kubeconfig").Value.String(),
SourceContext: srcContext,
DestContext: cmd.Flag("dest-context").Value.String(),
SourceNamespace: cmd.Flag("source-namespace").Value.String(),
DestNamespace: cmd.Flag("dest-namespace").Value.String(),
ServiceAccount: cmd.Flag("serviceaccount-name").Value.String(),
OverrideSourceIP: cmd.Flag("oride-src-ip").Value.String(),
OverrideSourcePort: cmd.Flag("oride-src-port").Value.String(),
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Context: cmd.Context(),
DestinationName: destName,
}
}
22 changes: 12 additions & 10 deletions cmd/kubectl-k8ssandra/register/registration.go
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Expand Up @@ -18,15 +18,17 @@ import (
)

type RegistrationExecutor struct {
DestinationName string
SourceKubeconfig string
DestKubeconfig string
SourceContext string
DestContext string
SourceNamespace string
DestNamespace string
ServiceAccount string
Context context.Context
DestinationName string
SourceKubeconfig string
DestKubeconfig string
SourceContext string
DestContext string
SourceNamespace string
DestNamespace string
ServiceAccount string
OverrideSourceIP string
OverrideSourcePort string
Context context.Context
}

func getDefaultSecret(saNamespace, saName string) *corev1.Secret {
Expand Down Expand Up @@ -101,7 +103,7 @@ func (e *RegistrationExecutor) RegisterCluster() error {
}

// Create Secret on destination cluster
host, err := registration.KubeconfigToHost(e.SourceKubeconfig, e.SourceContext)
host, err := registration.KubeconfigToHost(e.SourceKubeconfig, e.SourceContext, e.OverrideSourceIP, e.OverrideSourcePort)
if err != nil {
return err
}
Expand Down
7 changes: 6 additions & 1 deletion pkg/registration/kubeconfig.go
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Expand Up @@ -63,12 +63,17 @@ func GetKubeconfigFileLocation(location string) (string, error) {
}
}

func KubeconfigToHost(configFileLocation string, contextName string) (string, error) {
func KubeconfigToHost(configFileLocation string, contextName string, overrideSourceIP string, overrideSourcePort string) (string, error) {
if overrideSourceIP != "" && overrideSourcePort != "" {
return fmt.Sprintf("https://%s:%s", overrideSourceIP, overrideSourcePort), nil
}
path, err := GetKubeconfigFileLocation(configFileLocation)
if err != nil {
return "", err
}

clientConfig, err := clientcmd.LoadFromFile(path)

if err != nil {
return "", err
}
Expand Down
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