Package org.apache.flink.kubernetes.operator.utils

Class EnvUtils

java.lang.Object

org.apache.flink.kubernetes.operator.utils.EnvUtils

public class EnvUtils
extends java.lang.Object

Util to get value from environments.

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	ENV_CONF_OVERRIDE_DIR
static java.lang.String	ENV_HOSTNAME
static java.lang.String	ENV_KUBERNETES_SERVICE_HOST
static java.lang.String	ENV_OPERATOR_NAME
static java.lang.String	ENV_OPERATOR_NAMESPACE
static java.lang.String	ENV_WATCH_NAMESPACES
static java.lang.String	ENV_WEBHOOK_KEYSTORE_FILE
static java.lang.String	ENV_WEBHOOK_KEYSTORE_PASSWORD
static java.lang.String	ENV_WEBHOOK_KEYSTORE_TYPE
static java.lang.String	ENV_WEBHOOK_SERVER_PORT

Constructor Summary

Constructors

Constructor	Description
EnvUtils()

Method Summary

Modifier and Type	Method	Description
static java.util.Optional<java.lang.String>	get(java.lang.String key)	Get the value provided by environments.
static java.lang.String	getOrDefault(java.lang.String key, java.lang.String defaultValue)	Get the value or default value provided by environments.
static java.lang.String	getRequired(java.lang.String key)	Get the value provided by environments.
static void	logEnvironmentInfo(org.slf4j.Logger log, java.lang.String componentName, java.lang.String[] commandLineArgs)	Logs information about the environment, like code revision, current user, Java version, and JVM parameters.

Methods inherited from class java.lang.Object

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

Field Detail

ENV_KUBERNETES_SERVICE_HOST

public static final java.lang.String ENV_KUBERNETES_SERVICE_HOST

See Also:

Constant Field Values

ENV_WEBHOOK_KEYSTORE_FILE

public static final java.lang.String ENV_WEBHOOK_KEYSTORE_FILE

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Constant Field Values

ENV_WEBHOOK_KEYSTORE_PASSWORD

public static final java.lang.String ENV_WEBHOOK_KEYSTORE_PASSWORD

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Constant Field Values

ENV_WEBHOOK_KEYSTORE_TYPE

public static final java.lang.String ENV_WEBHOOK_KEYSTORE_TYPE

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Constant Field Values

ENV_WEBHOOK_SERVER_PORT

public static final java.lang.String ENV_WEBHOOK_SERVER_PORT

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Constant Field Values

ENV_CONF_OVERRIDE_DIR

public static final java.lang.String ENV_CONF_OVERRIDE_DIR

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Constant Field Values

ENV_HOSTNAME

public static final java.lang.String ENV_HOSTNAME

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Constant Field Values

ENV_OPERATOR_NAME

public static final java.lang.String ENV_OPERATOR_NAME

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Constant Field Values

ENV_OPERATOR_NAMESPACE

public static final java.lang.String ENV_OPERATOR_NAMESPACE

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Constant Field Values

ENV_WATCH_NAMESPACES

public static final java.lang.String ENV_WATCH_NAMESPACES

See Also:

Constant Field Values

Constructor Detail

EnvUtils

public EnvUtils()

Method Detail

get

public static java.util.Optional<java.lang.String> get(java.lang.String key)

Get the value provided by environments.

Parameters:

key - the target key

Returns:

the value value provided by environments.

getOrDefault

public static java.lang.String getOrDefault(java.lang.String key,
                                            java.lang.String defaultValue)

Get the value or default value provided by environments.

Parameters:

key - the target key

defaultValue - the default value if key not exists.

Returns:

the value or default value provided by environments.

getRequired

public static java.lang.String getRequired(java.lang.String key)

Get the value provided by environments.

Parameters:

key - the target key

Returns:

the value provided by environments.

logEnvironmentInfo

public static void logEnvironmentInfo(org.slf4j.Logger log,
                                      java.lang.String componentName,
                                      java.lang.String[] commandLineArgs)

Logs information about the environment, like code revision, current user, Java version, and JVM parameters.

Parameters:

log - The logger to log the information to.

componentName - The component name to mention in the log.

commandLineArgs - The arguments accompanying the starting the component.