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Method: googleapis.spanner.v1.projects.instances.setIamPolicy
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Sets the access control policy on an instance resource. Replaces any
existing policy. Authorization requires spanner.instances.setIamPolicy
on resource.
For more information about retries and long-running operations, see
Understand connectors .
Arguments
Parameters
resource
string
REQUIRED: The Cloud Spanner resource for which the policy is being set. The format is projects//instances/
for instance resources and projects//instances//databases/
for databases resources.
body
object (SetIamPolicyRequest )
Required.
Raised exceptions
Exceptions
ConnectionError
In case of a network problem (such as DNS failure or refused connection).
HttpError
If the response status is >= 400 (excluding 429 and 503).
TimeoutError
If a long-running operation takes longer to finish than the specified timeout limit.
TypeError
If an operation or function receives an argument of the wrong type.
ValueError
If an operation or function receives an argument of the right type but an inappropriate value. For example, a negative timeout.
Response
If successful, the response contains an instance of Policy
.
Subworkflow snippet
Some fields might be optional or required.
To identify required fields, refer to the API documentation .
YAML
- setIamPolicy :
call : googleapis.spanner.v1.projects.instances.setIamPolicy
args :
resource : ...
body :
policy :
bindings : ...
etag : ...
version : ...
result : setIamPolicyResult
JSON
[
{
"setIamPolicy" : {
"call" : "googleapis.spanner.v1.projects.instances.setIamPolicy" ,
"args" : {
"resource" : "..." ,
"body" : {
"policy" : {
"bindings" : "..." ,
"etag" : "..." ,
"version" : "..."
}
}
},
"result" : "setIamPolicyResult"
}
}
]
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Last updated 2025-09-04 UTC.
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Method: googleapis.spanner.v1.projects.instances.setIamPolicy\n\nSets the access control policy on an instance resource. Replaces any\nexisting policy. Authorization requires `spanner.instances.setIamPolicy`\non resource.\n\nFor more information about retries and long-running operations, see\n[Understand connectors]().\n\nArguments\n---------\n\nRaised exceptions\n-----------------\n\nResponse\n--------\n\nIf successful, the response contains an instance of [`Policy`](https://cloud.google.com/workflows/docs/reference/googleapis/spanner/v1/Overview#Policy).\n\nSubworkflow snippet\n-------------------\n\nSome fields might be optional or required.\nTo identify required fields, refer to the [API documentation](https://cloud.google.com/spanner/docs/reference/rest/v1/projects.instances/setIamPolicy). \n\n### YAML\n\n```yaml\n- setIamPolicy:\n call: googleapis.spanner.v1.projects.instances.setIamPolicy\n args:\n resource: ...\n body:\n policy:\n bindings: ...\n etag: ...\n version: ...\n result: setIamPolicyResult\n```\n\n### JSON\n\n```json\n[\n {\n \"setIamPolicy\": {\n \"call\": \"googleapis.spanner.v1.projects.instances.setIamPolicy\",\n \"args\": {\n \"resource\": \"...\",\n \"body\": {\n \"policy\": {\n \"bindings\": \"...\",\n \"etag\": \"...\",\n \"version\": \"...\"\n }\n }\n },\n \"result\": \"setIamPolicyResult\"\n }\n }\n]\n```"]]