com.ctrip.framework.apollo.kubernetes

Class KubernetesManager

java.lang.Object

com.ctrip.framework.apollo.kubernetes.KubernetesManager

@Service
public class KubernetesManager
extends Object

Manages Kubernetes ConfigMap operations. Required Kubernetes permissions: - pods: [get, list] - For pod selection and write eligibility - configmaps: [get, create, update] - For ConfigMap operations

Constructor Summary

Constructors

Constructor and Description
KubernetesManager()
KubernetesManager(io.kubernetes.client.openapi.apis.CoreV1Api coreV1Api, String localPodName, int propertyKubernetesMaxWritePods)

Method Summary

Modifier and Type	Method and Description
boolean	checkConfigMapExist(String k8sNamespace, String configMapName) check config map exist
String	createConfigMap(String k8sNamespace, String name, Map<String,String> data) Creates a Kubernetes ConfigMap.
String	getValueFromConfigMap(String k8sNamespace, String name, String key) get value from config map
boolean	updateConfigMap(String k8sNamespace, String name, Map<String,String> data) update config map

Methods inherited from class java.lang.Object

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

Constructor Detail

KubernetesManager

public KubernetesManager()

KubernetesManager

public KubernetesManager(io.kubernetes.client.openapi.apis.CoreV1Api coreV1Api,
                         String localPodName,
                         int propertyKubernetesMaxWritePods)

Method Detail

createConfigMap

public String createConfigMap(String k8sNamespace,
                              String name,
                              Map<String,String> data)

Creates a Kubernetes ConfigMap.

Parameters:

k8sNamespace - the namespace of the ConfigMap

name - the name of the ConfigMap

data - the data to be stored in the ConfigMap

Returns:

the name of the created ConfigMap

Throws:

RuntimeException - if an error occurs while creating the ConfigMap

getValueFromConfigMap

public String getValueFromConfigMap(String k8sNamespace,
                                    String name,
                                    String key)

get value from config map

Parameters:

k8sNamespace - k8sNamespace

name - config map name

key - config map key (cluster+namespace)

Returns:

value(json string)

updateConfigMap

public boolean updateConfigMap(String k8sNamespace,
                               String name,
                               Map<String,String> data)
                        throws io.kubernetes.client.openapi.ApiException

update config map

Parameters:

k8sNamespace - configmap namespace

name - config map name

data - new data

Returns:

config map name

Throws:

io.kubernetes.client.openapi.ApiException

checkConfigMapExist

public boolean checkConfigMapExist(String k8sNamespace,
                                   String configMapName)

check config map exist

Parameters:

k8sNamespace - config map namespace

configMapName - config map name

Returns:

true if config map exist, false otherwise