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(SQL Server) Manage Bucket Storage Class

Demonstrates how to manage a bucket's default storage class.

See Cloud Storage Classes for information about storage classes.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    --  This example requires the Chilkat API to have been previously unlocked.
    --  See Global Unlock Sample for sample code.

    --  This example uses a previously obtained access token having permission for the
    --  scope "https://www.googleapis.com/auth/cloud-platform"

    --  In this example, Get Google Cloud Storage OAuth2 Access Token,
    --  the service account access token was saved to a text file.  This example fetches the access token from the file..
    DECLARE @sbToken int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @sbToken, 'LoadFile', @success OUT, 'qa_data/tokens/googleCloudStorageAccessToken.txt', 'utf-8'

    --  ---- Step 1
    --  Create the JSON body of the PUT request that will be sent.

    --  {
    --    "storageClass": "[STORAGE_CLASS]"
    --  }
    -- 

    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @json OUT

    --  Be careful if using the "regional" storage class.  See the note below about the 400 error response.
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'storageClass', 'nearline'

    --  ---- Step 2
    --  Send a PUT equivalent to this curl command

    --  curl -X PUT --data-binary @[JSON_FILE_NAME].json \
    --      -H "Authorization: Bearer [OAUTH2_TOKEN]" \
    --      -H "Content-Type: application/json" \
    --      "https://www.googleapis.com/storage/v1/b/[BUCKET_NAME]?fields=storageClass"

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Http', @http OUT

    EXEC sp_OAMethod @sbToken, 'GetAsString', @sTmp0 OUT
    EXEC sp_OASetProperty @http, 'AuthToken', @sTmp0

    EXEC sp_OAMethod @http, 'SetUrlVar', @success OUT, 'bucket_name', 'chilkat-ocean'
    DECLARE @url nvarchar(4000)
    SELECT @url = 'https://www.googleapis.com/storage/v1/b/{$bucket_name}?fields=storageClass'
    DECLARE @resp int
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    EXEC sp_OAMethod @http, 'PText', @resp OUT, 'PUT', @url, @sTmp0, 'utf-8', 'application/json', 0, 0
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @sbToken
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @http
        RETURN
      END

    DECLARE @responseCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @responseCode OUT
    IF @responseCode = 401
      BEGIN
        EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'If invalid credentials, then it is likely the access token expired.'

        PRINT 'Your app should automatically fetch a new access token and re-try.'
        EXEC @hr = sp_OADestroy @resp

        EXEC @hr = sp_OADestroy @sbToken
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @http
        RETURN
      END

    --  On my first try at running this code, I received the following error response:
    --  Response code: 400
    --  Response body
    --  {
    --   "error": {
    --    "errors": [
    --     {
    --      "domain": "global",
    --      "reason": "invalid",
    --      "message": "The combination of locationConstraint and storageClass you provided is not supported for your project"
    --     }
    --    ],
    --    "code": 400,
    --    "message": "The combination of locationConstraint and storageClass you provided is not supported for your project"
    --   }
    --  }
    -- 

    --  This was because my storage location was a Multi-regional location, and I tried to assign the "regional" storage class,
    --  which is not allowed.


    PRINT 'Response code: ' + @responseCode

    PRINT 'Response body'
    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    PRINT @sTmp0

    --  A response code = 200 indicates success, and the response body contains the JSON
    -- 
    --  Response code: 200
    --  Response body
    --  {
    --   "storageClass": "NEARLINE"
    --  }
    -- 

    EXEC @hr = sp_OADestroy @resp


    EXEC @hr = sp_OADestroy @sbToken
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @http


END
GO

 

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