io.fabric8.kubernetes.api

Class KubernetesHelper

java.lang.Object

io.fabric8.kubernetes.api.KubernetesHelper

public class KubernetesHelper
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_DOCKER_HOST

Constructor Summary

Constructors

Constructor and Description
KubernetesHelper()

Method Summary

Methods

Modifier and Type	Method and Description
static com.fasterxml.jackson.databind.JsonNode	combineJson(Object... objects) Combines the JSON objects into a config object
static String	containerNameToPodId(String containerName) Returns the pod id for the given container id
protected static com.fasterxml.jackson.databind.node.JsonNodeFactory	createNodeFactory()
static io.fabric8.utils.Filter<PodSchema>	createPodFilter(Map<String,String> labelSelector) Creates a filter on a pod using the given set of labels
static io.fabric8.utils.Filter<PodSchema>	createPodFilter(String textFilter) Creates a filter on a pod using the given text string
static io.fabric8.utils.Filter<ReplicationControllerSchema>	createReplicationControllerFilter(Map<String,String> labelSelector) Creates a filter on a replicationController using the given text string
static io.fabric8.utils.Filter<ReplicationControllerSchema>	createReplicationControllerFilter(String textFilter) Creates a filter on a replicationController using the given text string
static io.fabric8.utils.Filter<ServiceSchema>	createServiceFilter(Map<String,String> labelSelector) Creates a filter on a service using the given text string
static io.fabric8.utils.Filter<ServiceSchema>	createServiceFilter(String textFilter) Creates a filter on a service using the given text string
static boolean	filterLabels(Map<String,String> filterLabels, Map<String,String> labels) Returns true if the given filterLabels matches the actual labels
static boolean	filterMatchesIdOrLabels(String textFilter, String id, Map<String,String> labels) Returns true if the given textFilter matches either the id or the labels
static Port	findContainerPort(PodSchema pod, Integer portNumber) Returns the port for the given port number on the pod
static Port	findContainerPortByName(PodSchema pod, String name) Returns the port for the given port name
static Port	findContainerPortByNumberOrName(PodSchema pod, String numberOrName) Returns the port for the given port number or name
protected static com.fasterxml.jackson.databind.JsonNode	findOrCreateConfig(Object[] objects)
static int	getContainerPort(ServiceSchema service) Returns the container port number for the given service
static List<ManifestContainer>	getContainers(ControllerDesiredState desiredState) Returns all the containers from the given Replication Controller's desiredState
static List<ManifestContainer>	getContainers(DesiredState desiredState) Returns all the manifest containers from the given desiredState
static List<ManifestContainer>	getContainers(Manifest manifest)
static List<ManifestContainer>	getContainers(PodSchema pod) Returns all the containers from the given pod
static List<ManifestContainer>	getContainers(PodTemplate podTemplate)
static List<ManifestContainer>	getContainers(PodTemplateDesiredState podTemplateDesiredState)
static List<ManifestContainer>	getContainers(ReplicationControllerSchema replicationController) Returns all the containers from the given Replication Controller
static Map<String,PodCurrentContainerInfo>	getCurrentContainers(CurrentState currentState) Returns all the current containers from the given currentState
static Map<String,PodCurrentContainerInfo>	getCurrentContainers(PodSchema pod) Returns all the current containers from the given currentState
static List<ManifestContainer>	getCurrentContainers(ReplicationControllerSchema replicationController) Returns all the containers from the given Replication Controller
static String	getDockerIp()
static String	getHost(PodSchema pod) Returns the host of the pod
static Map<String,PodSchema>	getPodMap(Kubernetes kubernetes)
static Map<String,PodSchema>	getPodMap(Kubernetes kubernetes, String selector)
static Map<String,ReplicationControllerSchema>	getReplicationControllerMap(Kubernetes kubernetes)
static Map<String,ReplicationControllerSchema>	getReplicationControllerMap(Kubernetes kubernetes, String selector)
static Map<String,ServiceSchema>	getServiceMap(Kubernetes kubernetes)
static String	getServiceURL(ServiceSchema service) Returns the URL to access the service; using the service portalIP and port
static Object	loadJson(byte[] json) Returns the given json data as a DTO such as PodSchema, ReplicationControllerSchema or ServiceSchema from the Kubernetes REST API or JsonNode if it cannot be recognised.
static Object	loadJson(File file) Returns the given json data as a DTO such as PodSchema, ReplicationControllerSchema or ServiceSchema from the Kubernetes REST API or JsonNode if it cannot be recognised.
static Object	loadJson(InputStream in) Returns the given json data as a DTO such as PodSchema, ReplicationControllerSchema or ServiceSchema from the Kubernetes REST API or JsonNode if it cannot be recognised.
static Object	loadJson(String json)
static void	removeEmptyPods(PodListSchema podSchema) Removes empty pods returned by Kubernetes
static String	resolveDockerHost()
static void	saveJson(File json, Object object) Saves the json object to the given file
static String	toJson(Object dto)
static com.fasterxml.jackson.databind.JsonNode	toJsonNode(Object object) Converts the DTO to a JsonNode
static String	toLabelsString(Map<String,String> labelMap) Returns a string for the labels using "," to separate values
protected static Integer	toOptionalNumber(String text) Returns the number if it can be parsed or null
static Map<String,PodSchema>	toPodMap(List<PodSchema> pods) Returns a map indexed by pod id of the pods
static Map<String,PodSchema>	toPodMap(PodListSchema podSchema) Returns a map indexed by pod id of the pods
static Map<String,PodSchema>	toPodMap(PodListSchema podSchema, String selector) Returns a map indexed by pod id of the pods
static String	toPositiveNonZeroText(Integer port) For positive non-zero values return the text of the number or return blank
static Map<String,ReplicationControllerSchema>	toReplicationControllerMap(List<ReplicationControllerSchema> replicationControllers) Returns a map indexed by replicationController id of the replicationControllers
static Map<String,ReplicationControllerSchema>	toReplicationControllerMap(ReplicationControllerListSchema replicationControllerSchema) Returns a map indexed by replicationController id of the replicationControllers
static Map<String,ServiceSchema>	toServiceMap(List<ServiceSchema> services) Returns a map indexed by service id of the services
static Map<String,ServiceSchema>	toServiceMap(ServiceListSchema serviceSchema) Returns a map indexed by service id of the services

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_DOCKER_HOST

public static final String DEFAULT_DOCKER_HOST

See Also:

Constant Field Values

Constructor Detail

KubernetesHelper

public KubernetesHelper()

Method Detail

getDockerIp

public static String getDockerIp()

resolveDockerHost

public static String resolveDockerHost()

toJson

public static String toJson(Object dto)
                     throws com.fasterxml.jackson.core.JsonProcessingException

Throws:

com.fasterxml.jackson.core.JsonProcessingException

loadJson

public static Object loadJson(File file)
                       throws IOException

Returns the given json data as a DTO such as PodSchema, ReplicationControllerSchema or ServiceSchema from the Kubernetes REST API or JsonNode if it cannot be recognised.

Throws:

IOException

loadJson

public static Object loadJson(InputStream in)
                       throws IOException

Returns the given json data as a DTO such as PodSchema, ReplicationControllerSchema or ServiceSchema from the Kubernetes REST API or JsonNode if it cannot be recognised.

Throws:

IOException

loadJson

public static Object loadJson(String json)
                       throws IOException

Throws:

IOException

loadJson

public static Object loadJson(byte[] json)
                       throws IOException

Returns the given json data as a DTO such as PodSchema, ReplicationControllerSchema or ServiceSchema from the Kubernetes REST API or JsonNode if it cannot be recognised.

Throws:

IOException

saveJson

public static void saveJson(File json,
            Object object)
                     throws IOException

Saves the json object to the given file

Throws:

IOException

toPodMap

public static Map<String,PodSchema> toPodMap(PodListSchema podSchema)

Returns a map indexed by pod id of the pods

toPodMap

public static Map<String,PodSchema> toPodMap(PodListSchema podSchema,
                             String selector)

Returns a map indexed by pod id of the pods

toPodMap

public static Map<String,PodSchema> toPodMap(List<PodSchema> pods)

Returns a map indexed by pod id of the pods

toServiceMap

public static Map<String,ServiceSchema> toServiceMap(ServiceListSchema serviceSchema)

Returns a map indexed by service id of the services

toServiceMap

public static Map<String,ServiceSchema> toServiceMap(List<ServiceSchema> services)

Returns a map indexed by service id of the services

toReplicationControllerMap

public static Map<String,ReplicationControllerSchema> toReplicationControllerMap(ReplicationControllerListSchema replicationControllerSchema)

Returns a map indexed by replicationController id of the replicationControllers

toReplicationControllerMap

public static Map<String,ReplicationControllerSchema> toReplicationControllerMap(List<ReplicationControllerSchema> replicationControllers)

Returns a map indexed by replicationController id of the replicationControllers

getPodMap

public static Map<String,PodSchema> getPodMap(Kubernetes kubernetes)

getPodMap

public static Map<String,PodSchema> getPodMap(Kubernetes kubernetes,
                              String selector)

getServiceMap

public static Map<String,ServiceSchema> getServiceMap(Kubernetes kubernetes)

getReplicationControllerMap

public static Map<String,ReplicationControllerSchema> getReplicationControllerMap(Kubernetes kubernetes)

getReplicationControllerMap

public static Map<String,ReplicationControllerSchema> getReplicationControllerMap(Kubernetes kubernetes,
                                                                  String selector)

removeEmptyPods

public static void removeEmptyPods(PodListSchema podSchema)

Removes empty pods returned by Kubernetes

containerNameToPodId

public static String containerNameToPodId(String containerName)

Returns the pod id for the given container id

toLabelsString

public static String toLabelsString(Map<String,String> labelMap)

Returns a string for the labels using "," to separate values

createPodFilter

public static io.fabric8.utils.Filter<PodSchema> createPodFilter(String textFilter)

Creates a filter on a pod using the given text string

createPodFilter

public static io.fabric8.utils.Filter<PodSchema> createPodFilter(Map<String,String> labelSelector)

Creates a filter on a pod using the given set of labels

createServiceFilter

public static io.fabric8.utils.Filter<ServiceSchema> createServiceFilter(String textFilter)

Creates a filter on a service using the given text string

createServiceFilter

public static io.fabric8.utils.Filter<ServiceSchema> createServiceFilter(Map<String,String> labelSelector)

Creates a filter on a service using the given text string

createReplicationControllerFilter

public static io.fabric8.utils.Filter<ReplicationControllerSchema> createReplicationControllerFilter(String textFilter)

Creates a filter on a replicationController using the given text string

createReplicationControllerFilter

public static io.fabric8.utils.Filter<ReplicationControllerSchema> createReplicationControllerFilter(Map<String,String> labelSelector)

Creates a filter on a replicationController using the given text string

filterMatchesIdOrLabels

public static boolean filterMatchesIdOrLabels(String textFilter,
                              String id,
                              Map<String,String> labels)

Returns true if the given textFilter matches either the id or the labels

filterLabels

public static boolean filterLabels(Map<String,String> filterLabels,
                   Map<String,String> labels)

Returns true if the given filterLabels matches the actual labels

toPositiveNonZeroText

public static String toPositiveNonZeroText(Integer port)

For positive non-zero values return the text of the number or return blank

getContainers

public static List<ManifestContainer> getContainers(PodSchema pod)

Returns all the containers from the given pod

getContainers

public static List<ManifestContainer> getContainers(ReplicationControllerSchema replicationController)

Returns all the containers from the given Replication Controller

getContainers

public static List<ManifestContainer> getContainers(ControllerDesiredState desiredState)

Returns all the containers from the given Replication Controller's desiredState

getContainers

public static List<ManifestContainer> getContainers(PodTemplate podTemplate)

getContainers

public static List<ManifestContainer> getContainers(PodTemplateDesiredState podTemplateDesiredState)

getContainers

public static List<ManifestContainer> getContainers(Manifest manifest)

getCurrentContainers

public static List<ManifestContainer> getCurrentContainers(ReplicationControllerSchema replicationController)

Returns all the containers from the given Replication Controller

getContainers

public static List<ManifestContainer> getContainers(DesiredState desiredState)

Returns all the manifest containers from the given desiredState

getCurrentContainers

public static Map<String,PodCurrentContainerInfo> getCurrentContainers(PodSchema pod)

Returns all the current containers from the given currentState

getCurrentContainers

public static Map<String,PodCurrentContainerInfo> getCurrentContainers(CurrentState currentState)

Returns all the current containers from the given currentState

getHost

public static String getHost(PodSchema pod)

Returns the host of the pod

getContainerPort

public static int getContainerPort(ServiceSchema service)

Returns the container port number for the given service

combineJson

public static com.fasterxml.jackson.databind.JsonNode combineJson(Object... objects)
                                                           throws IOException

Combines the JSON objects into a config object

Throws:

IOException

createNodeFactory

protected static com.fasterxml.jackson.databind.node.JsonNodeFactory createNodeFactory()

findOrCreateConfig

protected static com.fasterxml.jackson.databind.JsonNode findOrCreateConfig(Object[] objects)

toJsonNode

public static com.fasterxml.jackson.databind.JsonNode toJsonNode(Object object)
                                                          throws IOException

Converts the DTO to a JsonNode

Throws:

IOException

getServiceURL

public static String getServiceURL(ServiceSchema service)

Returns the URL to access the service; using the service portalIP and port

findContainerPort

public static Port findContainerPort(PodSchema pod,
                     Integer portNumber)

Returns the port for the given port number on the pod

findContainerPortByName

public static Port findContainerPortByName(PodSchema pod,
                           String name)

Returns the port for the given port name

findContainerPortByNumberOrName

public static Port findContainerPortByNumberOrName(PodSchema pod,
                                   String numberOrName)

Returns the port for the given port number or name

toOptionalNumber

protected static Integer toOptionalNumber(String text)

Returns the number if it can be parsed or null