Package io.fabric8.kubernetes.client.internal

Class KubeConfigUtils

java.lang.Object

io.fabric8.kubernetes.client.internal.KubeConfigUtils

public class KubeConfigUtils
extends Object

Helper class for working with the YAML config file thats located in ~/.kube/config which is updated when you use commands like osc login and osc project myproject

Method Summary

Modifier and Type	Method	Description
protected static String	findExecutable(String command, String pathValue)
protected static List<String>	getAuthenticatorCommandFromExecConfig(ExecConfig exec, File configFile, String systemPathValue)
protected static Config.ExecCredential	getExecCredentialFromExecConfig(ExecConfig exec, File configFile)
static File	getFileWithNamedAuthInfo(NamedContext namedContext)	Returns the file containing the auth info information if it was loaded using KubeConfigUtils#parseConfig.
static File	getFileWithNamedCluster(NamedContext namedContext)	Returns the file containing the cluster information if it was loaded using KubeConfigUtils#parseConfig.
static File	getFileWithNamedContext(NamedContext namedContext)	Returns the file containing the context information if it was loaded using KubeConfigUtils#parseConfig.
static void	merge(Config clientConfig, String context, Config... kubeconfigs)	Merges the provided Config objects into the provided Config object.
static Config	parseConfig(File kubeconfig)
static Config	parseConfigFromString(String contents)
static void	persistKubeConfigIntoFile(Config kubeconfig, File kubeConfigPath)	Persist KUBECONFIG file from the provided Config object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

parseConfig

public static Config parseConfig(File kubeconfig)

parseConfigFromString

public static Config parseConfigFromString(String contents)

persistKubeConfigIntoFile

public static void persistKubeConfigIntoFile(Config kubeconfig,
                                             File kubeConfigPath)
                                      throws IOException

Persist KUBECONFIG file from the provided Config object.

Parameters:

kubeconfig - modified Config object.

kubeConfigPath - path to KUBECONFIG.

Throws:

IOException - in case of failure while writing to file.

getFileWithNamedContext

public static File getFileWithNamedContext(NamedContext namedContext)

Returns the file containing the context information if it was loaded using KubeConfigUtils#parseConfig.

Parameters:

namedContext - the context to get the file from.

Returns:

the file containing the context information if it was loaded using KubeConfigUtils#parseConfig or null.

getFileWithNamedCluster

public static File getFileWithNamedCluster(NamedContext namedContext)

Returns the file containing the cluster information if it was loaded using KubeConfigUtils#parseConfig.

Parameters:

namedContext - the context to get the file from.

Returns:

the file containing the cluster information if it was loaded using KubeConfigUtils#parseConfig or null.

getFileWithNamedAuthInfo

public static File getFileWithNamedAuthInfo(NamedContext namedContext)

Returns the file containing the auth info information if it was loaded using KubeConfigUtils#parseConfig.

Parameters:

namedContext - the context to get the file from.

Returns:

the file containing the auth info information if it was loaded using KubeConfigUtils#parseConfig or null.

merge

public static void merge(Config clientConfig,
                         String context,
                         Config... kubeconfigs)

Merges the provided Config objects into the provided Config object.

The following precedence is followed:

1. Incomplete Contexts, Clusters, and Users are ignored
2. Context argument provided by the user is used if provided and exists
3. The first Config object to set a value wins

getExecCredentialFromExecConfig

protected static Config.ExecCredential getExecCredentialFromExecConfig(ExecConfig exec,
                                                                       File configFile)

getAuthenticatorCommandFromExecConfig

protected static List<String> getAuthenticatorCommandFromExecConfig(ExecConfig exec,
                                                                    File configFile,
                                                                    String systemPathValue)

findExecutable

protected static String findExecutable(String command,
                                       String pathValue)