OperationMetadata

OperationMetadata provides information about the operation execution. Returned in the long-running operation's metadata field.

JSON representation 
{
  "apiMethodName": string,
  "createTime": string,
  "endTime": string,
  "cancelRequested": boolean,
  "logsUrl": string,

  // The following is a list of mutually exclusive fields. At most one of the
  // fields will be set in a response:
  "counter": {
    object(ProgressCounter)
  }
  // End of mutually exclusive fields.
}
Fields
apiMethodName

string

The name of the API method that initiated the operation.
createTime

string(Timestamp format)

The time at which the operation was created by the API.

Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".
endTime

string(Timestamp format)

The time at which execution was completed.

Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".
cancelRequested

boolean

Specifies if cancellation was requested for the operation.
logsUrl

string

A link to audit and error logs in the log viewer. Error logs are generated only by some operations, listed at Viewing error logs in Cloud Logging.
The progress information for the operation. Details are described in the API method that creates the operation. Not all methods provide progress information. The following is a list of mutually exclusive fields. At most one of the fields will be set in a response:
counter

object(ProgressCounter)
End of mutually exclusive fields.

ProgressCounter

ProgressCounter provides counters to describe an operation's progress.

JSON representation 
{
  "pending": string,
  "success": string,
  "failure": string,
  "secondarySuccess": string,
  "secondaryFailure": string
}
Fields
pending

string (int64 format)

The number of units that are pending in the operation.
success

string (int64 format)

The number of units that succeeded in the operation.
failure

string (int64 format)

The number of units that failed in the operation.
secondarySuccess

string (int64 format)

The number of secondary units that succeeded in the operation.
secondaryFailure

string (int64 format)

The number of secondary units that failed in the operation.