Package org.apache.ambari.server.stack.upgrade

Interface Summary

Interface	Description
UpgradeFunction

Class Summary

Class	Description
AddComponentTask	The AddComponentTask is used for adding components during an upgrade.
Batch	Identifies how a component should be upgraded (optional)
ClusterGrouping	Used to represent cluster-based operations.
ColocatedGrouping	Used for co-located services grouped together.
Condition	The Condition interface represents a condition in an UpgradePack which must be satisified in order for a Grouping or ExecuteStage to be scheduled.
ConfigUpgradeChangeDefinition	The ConfigUpgradeChangeDefinition represents a configuration change.
ConfigUpgradeChangeDefinition.ConditionalField
ConfigUpgradeChangeDefinition.ConfigurationKeyValue	A key/value pair to set in the type specified by ConfigUpgradeChangeDefinition.configType
ConfigUpgradeChangeDefinition.Insert	Used to replace strings in a key with other strings.
ConfigUpgradeChangeDefinition.Masked	Used for configuration updates that should mask their values from being printed in plain text.
ConfigUpgradeChangeDefinition.RegexReplace	Used to replace strings in a key with other strings.
ConfigUpgradeChangeDefinition.Replace	Used to replace strings in a key with other strings.
ConfigUpgradeChangeDefinition.Transfer	A transfer element will copy, move, or delete the value of one type/key to another type/key.
ConfigUpgradePack	Represents a pack of changes that should be applied to configs when upgrading from a previous stack.
ConfigUpgradePack.AffectedComponent	A component definition in the 'services/service' path.
ConfigUpgradePack.AffectedService	A service definition in the 'services' element.
ConfigurationCondition	The ConfigurationCondition class is used to represent a condition on a property.
ConfigureFunction	Used to represent Configuring of a component.
ConfigureTask	The ConfigureTask represents a configuration change.
CreateAndConfigureTask	The CreateAndConfigureTask represents a two step change where the create is for creating a config type if it does not exist followed by the configuration change.
ExecuteStage	Represents a single-stage execution that happens as part of a cluster-wide upgrade or downgrade.
ExecuteTask	Used to represent an execution that should occur on an agent.
Grouping
HostOrderGrouping	Marker group for Host-Ordered upgrades.
HostOrderItem	The HostOrderItem class represents the orchestration order of hosts and service checks in an UpgradeType.HOST_ORDERED upgrade.
ManualTask	Identifies that an upgrade step that requires confirmation before continuing.
ParallelClientGrouping	Grouping for clients: The first client will be upgraded. Run a service check on the first client. Run the remaining clients in parallel.
ParallelScheduler	Identifies if component instances should be upgraded in parallel (optional)
RegenerateKeytabsTask	The RegenerateKeytabsTask is used for injection Kerberos tasks into an upgrade which will regenerate keytabs.
RepositoryVersionHelper	Provides helper methods to manage repository versions.
RestartGrouping	Used for a group that restarts services.
RestartTask	Used to represent a restart of a component.
SecurityCondition	The SecurityCondition class is used to represent that the cluster has been configured for a specific type of security model.
ServerActionTask	Identifies that an upgrade step that requires confirmation before continuing.
ServerSideActionTask
ServiceCheckGrouping	Grouping that is used to create stages that are service checks for a cluster.
ServiceCheckGrouping.ServiceCheckStageWrapper	Special type of stage wrapper that allows inspection of the service check for merging if required.
ServiceCheckTask	Used to represent a restart of a component.
StartGrouping	Used for a group that starts services.
StartTask	Used to represent a start of a component.
StopGrouping	Used for a group that stops services.
StopTask	Used to represent a stop of a component.
Task	Base class to identify the items that could possibly occur during an upgrade
TaskParameter	Optional parameter defined in upgrade packs to be used by server actions.
UpdateStackGrouping	Used to represent operations that update the Stack.
UpgradePack	Represents an upgrade pack.
UpgradePack.IntermediateStack	An intermediate stack definition in upgrade/upgrade-path/intermediate-stack path
UpgradePack.OrderService	A service definition that holds a list of components in the 'order' element.
UpgradePack.PrerequisiteCheckConfig	Prerequisite checks configuration
UpgradePack.PrerequisiteCheckProperties	Config properties for a specific prerequisite check.
UpgradePack.PrerequisiteChecks	Container class to specify list of additional prerequisite checks to run in addition to the required prerequisite checks and configuration properties for all prerequisite checks
UpgradePack.PrerequisiteProperty	Prerequisite check config property
UpgradePack.ProcessingComponent	A component definition in the 'processing/service' path.
UpgradePack.ProcessingService	A service definition in the 'processing' element.

Enum Summary

Enum	Description
ConfigUpgradeChangeDefinition.IfValueMatchType	The ConfigUpgradeChangeDefinition.IfValueMatchType defines value search behaviour
ConfigUpgradeChangeDefinition.InsertType	The ConfigUpgradeChangeDefinition.InsertType defines how to use the ConfigUpgradeChangeDefinition.Insert directive.
ConfigurationCondition.ComparisonType	The type of comparison to make.
Direction	Indicates if an sequence of Groups should be for an upgrade or a downgrade.
ExecuteHostType	The ExecuteHostType enum is used to represent where an ExecuteTask will run.
HostOrderItem.HostOrderActionType	The HostOrderItem.HostOrderActionType defines the type of action which should be taken on the list of action items.
PropertyKeyState	The PropertyKeyState enum is used to represent the state of the property
Task.Type	Identifies the type of task.
TransferCoercionType	The TransferCoercionType enum is used to represent the data types that a property transfer can be coerced to.
TransferOperation	Operations valid for a property transfer.
UpgradeScope	Indicates the scope of a group or task