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61eefc84f3
Added support to the high-level rest client for the create snapshot API call. This required several changes to toXContent which may need to be cleaned up in a later PR. Also added several parsers for fromXContent to be able to retrieve appropriate responses along with tests.
121 lines
5.3 KiB
Text
121 lines
5.3 KiB
Text
[[java-rest-high-snapshot-create-snapshot]]
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=== Create Snapshot API
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Use the Create Snapshot API to create a new snapshot.
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[[java-rest-high-snapshot-create-snapshot-request]]
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==== Create Snapshot Request
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A `CreateSnapshotRequest`:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request]
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--------------------------------------------------
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==== Required Arguments
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The following arguments are mandatory:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request-repositoryName]
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--------------------------------------------------
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<1> The name of the repository.
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request-snapshotName]
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--------------------------------------------------
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<1> The name of the snapshot.
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==== Optional Arguments
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The following arguments are optional:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request-indices]
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--------------------------------------------------
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<1> A list of indices the snapshot is applied to.
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request-indicesOptions]
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--------------------------------------------------
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<1> Options applied to the indices.
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request-partial]
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--------------------------------------------------
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<1> Set `partial` to `true` to allow a successful snapshot without the
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availability of all the indices primary shards. Defaults to `false`.
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request-includeGlobalState]
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--------------------------------------------------
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<1> Set `includeGlobalState` to `false` to prevent writing the cluster's global
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state as part of the snapshot. Defaults to `true`.
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request-masterTimeout]
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--------------------------------------------------
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<1> Timeout to connect to the master node as a `TimeValue`.
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<2> Timeout to connect to the master node as a `String`.
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-request-waitForCompletion]
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--------------------------------------------------
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<1> Waits for the snapshot to be completed before a response is returned.
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[[java-rest-high-snapshot-create-snapshot-sync]]
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==== Synchronous Execution
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-execute]
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--------------------------------------------------
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[[java-rest-high-snapshot-create-snapshot-async]]
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==== Asynchronous Execution
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The asynchronous execution of a create snapshot request requires both the
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`CreateSnapshotRequest` instance and an `ActionListener` instance to be
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passed as arguments to the asynchronous method:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-execute-async]
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--------------------------------------------------
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<1> The `CreateSnapshotRequest` to execute and the `ActionListener` to use when
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the execution completes.
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The asynchronous method does not block and returns immediately. Once it is
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completed the `ActionListener` is called back with the `onResponse` method
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if the execution is successful or the `onFailure` method if the execution
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failed.
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A typical listener for `CreateSnapshotResponse` looks like:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-execute-listener]
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--------------------------------------------------
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<1> Called when the execution is successfully completed. The response is
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provided as an argument.
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<2> Called in case of a failure. The raised exception is provided as an
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argument.
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[[java-rest-high-snapshot-create-snapshot-response]]
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==== Snapshot Create Response
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Use the `CreateSnapshotResponse` to retrieve information about the evaluated
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request:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/SnapshotClientDocumentationIT.java[create-snapshot-response]
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--------------------------------------------------
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<1> Indicates the node has started the request.
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