/
BlobLeaseClient.ts
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/
BlobLeaseClient.ts
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
import { generateUuid, HttpResponse } from "@azure/core-http";
import { StorageClientContext } from "./generated/src/storageClient";
import { ContainerBreakLeaseOptionalParams } from "./generatedModels";
import { AbortSignalLike } from "@azure/abort-controller";
import { CanonicalCode } from "@opentelemetry/api";
import { Blob as StorageBlob, Container } from "./generated/src/operations";
import { ModifiedAccessConditions } from "./models";
import { CommonOptions } from "./StorageClient";
import { ETagNone } from "./utils/constants";
import { createSpan } from "./utils/tracing";
import { BlobClient } from "./Clients";
import { ContainerClient } from "./ContainerClient";
/**
* The details for a specific lease.
*/
export interface Lease {
/**
* The ETag contains a value that you can use to
* perform operations conditionally. If the request version is 2011-08-18 or
* newer, the ETag value will be in quotes.
*/
etag?: string;
/**
* Returns the date and time the container was
* last modified. Any operation that modifies the blob, including an update
* of the blob's metadata or properties, changes the last-modified time of
* the blob.
*/
lastModified?: Date;
/**
* Uniquely identifies a container's lease
*/
leaseId?: string;
/**
* Approximate time remaining in the lease
* period, in seconds.
*/
leaseTime?: number;
/**
* This header uniquely identifies the request
* that was made and can be used for troubleshooting the request.
*/
requestId?: string;
/**
* Indicates the version of the Blob service used
* to execute the request. This header is returned for requests made against
* version 2009-09-19 and above.
*/
version?: string;
/**
* UTC date/time value generated by the service that
* indicates the time at which the response was initiated
*/
date?: Date;
/**
* Error code if any associated with the response that returned
* the Lease information.
*/
errorCode?: string;
}
/**
* Contains the response data for operations that create, modify, or delete a lease.
*
* See {@link BlobLeaseClient}.
*/
export type LeaseOperationResponse = Lease & {
/**
* The underlying HTTP response.
*/
_response: HttpResponse & {
/**
* The parsed HTTP response headers.
*/
parsedHeaders: Lease;
};
};
/**
* Configures lease operations.
*
* @export
* @interface LeaseOperationOptions
*/
export interface LeaseOperationOptions extends CommonOptions {
/**
* An implementation of the `AbortSignalLike` interface to signal the request to cancel the operation.
* For example, use the @azure/abort-controller to create an `AbortSignal`.
*
* @type {AbortSignalLike}
* @memberof LeaseOperationOptions
*/
abortSignal?: AbortSignalLike;
/**
* Conditions to meet when changing the lease.
*
* @type {ModifiedAccessConditions}
* @memberof LeaseOperationOptions
*/
conditions?: ModifiedAccessConditions;
}
/**
* A client that manages leases for a {@link ContainerClient} or a {@link BlobClient}.
*
* @export
* @class BlobLeaseClient
*/
export class BlobLeaseClient {
private _leaseId: string;
private _url: string;
private _containerOrBlobOperation: Container | StorageBlob;
private _isContainer: boolean;
/**
* Gets the lease Id.
*
* @readonly
* @memberof BlobLeaseClient
* @type {string}
*/
public get leaseId(): string {
return this._leaseId;
}
/**
* Gets the url.
*
* @readonly
* @memberof BlobLeaseClient
* @type {string}
*/
public get url(): string {
return this._url;
}
/**
* Creates an instance of BlobLeaseClient.
* @param {(ContainerClient | BlobClient)} client The client to make the lease operation requests.
* @param {string} leaseId Initial proposed lease id.
* @memberof BlobLeaseClient
*/
constructor(client: ContainerClient | BlobClient, leaseId?: string) {
const clientContext = new StorageClientContext(
client.url,
(client as any).pipeline.toServiceClientOptions()
);
this._url = client.url;
if ((client as BlobClient).name === undefined) {
this._isContainer = true;
this._containerOrBlobOperation = new Container(clientContext);
} else {
this._isContainer = false;
this._containerOrBlobOperation = new StorageBlob(clientContext);
}
if (!leaseId) {
leaseId = generateUuid();
}
this._leaseId = leaseId;
}
/**
* Establishes and manages a lock on a container for delete operations, or on a blob
* for write and delete operations.
* The lock duration can be 15 to 60 seconds, or can be infinite.
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-container
* and
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-blob
*
* @param {number} duration Must be between 15 to 60 seconds, or infinite (-1)
* @param {LeaseOperationOptions} [options={}] option to configure lease management operations.
* @returns {Promise<LeaseOperationResponse>} Response data for acquire lease operation.
* @memberof BlobLeaseClient
*/
public async acquireLease(
duration: number,
options: LeaseOperationOptions = {}
): Promise<LeaseOperationResponse> {
const { span, spanOptions } = createSpan(
"BlobLeaseClient-acquireLease",
options.tracingOptions
);
if (
this._isContainer &&
((options.conditions?.ifMatch && options.conditions?.ifMatch !== ETagNone) ||
(options.conditions?.ifNoneMatch && options.conditions?.ifNoneMatch !== ETagNone) ||
options.conditions?.tagConditions)
) {
throw new RangeError(
"The IfMatch, IfNoneMatch and tags access conditions are ignored by the service. Values other than undefined or their default values are not acceptable."
);
}
try {
return await this._containerOrBlobOperation.acquireLease({
abortSignal: options.abortSignal,
duration,
modifiedAccessConditions: {
...options.conditions,
ifTags: options.conditions?.tagConditions
},
proposedLeaseId: this._leaseId,
spanOptions
});
} catch (e) {
span.setStatus({
code: CanonicalCode.UNKNOWN,
message: e.message
});
throw e;
} finally {
span.end();
}
}
/**
* To change the ID of the lease.
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-container
* and
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-blob
*
* @param {string} proposedLeaseId the proposed new lease Id.
* @param {LeaseOperationOptions} [options={}] option to configure lease management operations.
* @returns {Promise<LeaseOperationResponse>} Response data for change lease operation.
* @memberof BlobLeaseClient
*/
public async changeLease(
proposedLeaseId: string,
options: LeaseOperationOptions = {}
): Promise<LeaseOperationResponse> {
const { span, spanOptions } = createSpan("BlobLeaseClient-changeLease", options.tracingOptions);
if (
this._isContainer &&
((options.conditions?.ifMatch && options.conditions?.ifMatch !== ETagNone) ||
(options.conditions?.ifNoneMatch && options.conditions?.ifNoneMatch !== ETagNone) ||
options.conditions?.tagConditions)
) {
throw new RangeError(
"The IfMatch, IfNoneMatch and tags access conditions are ignored by the service. Values other than undefined or their default values are not acceptable."
);
}
try {
const response = await this._containerOrBlobOperation.changeLease(
this._leaseId,
proposedLeaseId,
{
abortSignal: options.abortSignal,
modifiedAccessConditions: {
...options.conditions,
ifTags: options.conditions?.tagConditions
},
spanOptions
}
);
this._leaseId = proposedLeaseId;
return response;
} catch (e) {
span.setStatus({
code: CanonicalCode.UNKNOWN,
message: e.message
});
throw e;
} finally {
span.end();
}
}
/**
* To free the lease if it is no longer needed so that another client may
* immediately acquire a lease against the container or the blob.
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-container
* and
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-blob
*
* @param {LeaseOperationOptions} [options={}] option to configure lease management operations.
* @returns {Promise<LeaseOperationResponse>} Response data for release lease operation.
* @memberof BlobLeaseClient
*/
public async releaseLease(options: LeaseOperationOptions = {}): Promise<LeaseOperationResponse> {
const { span, spanOptions } = createSpan(
"BlobLeaseClient-releaseLease",
options.tracingOptions
);
if (
this._isContainer &&
((options.conditions?.ifMatch && options.conditions?.ifMatch !== ETagNone) ||
(options.conditions?.ifNoneMatch && options.conditions?.ifNoneMatch !== ETagNone) ||
options.conditions?.tagConditions)
) {
throw new RangeError(
"The IfMatch, IfNoneMatch and tags access conditions are ignored by the service. Values other than undefined or their default values are not acceptable."
);
}
try {
return await this._containerOrBlobOperation.releaseLease(this._leaseId, {
abortSignal: options.abortSignal,
modifiedAccessConditions: {
...options.conditions,
ifTags: options.conditions?.tagConditions
},
spanOptions
});
} catch (e) {
span.setStatus({
code: CanonicalCode.UNKNOWN,
message: e.message
});
throw e;
} finally {
span.end();
}
}
/**
* To renew the lease.
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-container
* and
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-blob
*
* @param {LeaseOperationOptions} [options={}] Optional option to configure lease management operations.
* @returns {Promise<LeaseOperationResponse>} Response data for renew lease operation.
* @memberof BlobLeaseClient
*/
public async renewLease(options: LeaseOperationOptions = {}): Promise<Lease> {
const { span, spanOptions } = createSpan("BlobLeaseClient-renewLease", options.tracingOptions);
if (
this._isContainer &&
((options.conditions?.ifMatch && options.conditions?.ifMatch !== ETagNone) ||
(options.conditions?.ifNoneMatch && options.conditions?.ifNoneMatch !== ETagNone) ||
options.conditions?.tagConditions)
) {
throw new RangeError(
"The IfMatch, IfNoneMatch and tags access conditions are ignored by the service. Values other than undefined or their default values are not acceptable."
);
}
try {
return await this._containerOrBlobOperation.renewLease(this._leaseId, {
abortSignal: options.abortSignal,
modifiedAccessConditions: {
...options.conditions,
ifTags: options.conditions?.tagConditions
},
spanOptions
});
} catch (e) {
span.setStatus({
code: CanonicalCode.UNKNOWN,
message: e.message
});
throw e;
} finally {
span.end();
}
}
/**
* To end the lease but ensure that another client cannot acquire a new lease
* until the current lease period has expired.
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-container
* and
* @see https://docs.microsoft.com/en-us/rest/api/storageservices/lease-blob
*
* @static
* @param {number} breakPeriod Break period
* @param {LeaseOperationOptions} [options={}] Optional options to configure lease management operations.
* @returns {Promise<LeaseOperationResponse>} Response data for break lease operation.
* @memberof BlobLeaseClient
*/
public async breakLease(
breakPeriod: number,
options: LeaseOperationOptions = {}
): Promise<LeaseOperationResponse> {
const { span, spanOptions } = createSpan("BlobLeaseClient-breakLease", options.tracingOptions);
if (
this._isContainer &&
((options.conditions?.ifMatch && options.conditions?.ifMatch !== ETagNone) ||
(options.conditions?.ifNoneMatch && options.conditions?.ifNoneMatch !== ETagNone) ||
options.conditions?.tagConditions)
) {
throw new RangeError(
"The IfMatch, IfNoneMatch and tags access conditions are ignored by the service. Values other than undefined or their default values are not acceptable."
);
}
try {
const operationOptions: ContainerBreakLeaseOptionalParams = {
abortSignal: options.abortSignal,
breakPeriod,
modifiedAccessConditions: {
...options.conditions,
ifTags: options.conditions?.tagConditions
},
spanOptions
};
return await this._containerOrBlobOperation.breakLease(operationOptions);
} catch (e) {
span.setStatus({
code: CanonicalCode.UNKNOWN,
message: e.message
});
throw e;
} finally {
span.end();
}
}
}