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68 lines
2.3 KiB
Markdown
68 lines
2.3 KiB
Markdown
---
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layout: "google"
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page_title: "Google: google_iam_policy"
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sidebar_current: "docs-google-datasource-iam-policy"
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description: |-
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Generates an IAM policy that can be referenced by other resources, applying
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the policy to them.
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---
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# google\_iam\_policy
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Generates an IAM policy document that may be referenced by and applied to
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other Google Cloud Platform resources, such as the `google_project` resource.
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```
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data "google_iam_policy" "admin" {
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binding {
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role = "roles/compute.instanceAdmin"
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members = [
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"serviceAccount:your-custom-sa@your-project.iam.gserviceaccount.com",
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]
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}
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binding {
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role = "roles/storage.objectViewer"
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members = [
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"user:evanbrown@google.com",
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]
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}
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}
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```
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This data source is used to define IAM policies to apply to other resources.
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Currently, defining a policy through a datasource and referencing that policy
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from another resource is the only way to apply an IAM policy to a resource.
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**Note:** Several restrictions apply when setting IAM policies through this API.
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See the [setIamPolicy docs](https://cloud.google.com/resource-manager/reference/rest/v1/projects/setIamPolicy)
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for a list of these restrictions.
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## Argument Reference
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The following arguments are supported:
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* `binding` (Required) - A nested configuration block (described below)
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defining a binding to be included in the policy document. Multiple
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`binding` arguments are supported.
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Each document configuration must have one or more `binding` blocks, which
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each accept the following arguments:
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* `role` (Required) - The role/permission that will be granted to the members.
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See the [IAM Roles](https://cloud.google.com/compute/docs/access/iam) documentation for a complete list of roles.
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* `members` (Required) - An array of users/principals that will be granted
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the privilege in the `role`. For a human user, prefix the user's e-mail
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address with `user:` (e.g., `user:evandbrown@gmail.com`). For a service
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account, prefix the service account e-mail address with `serviceAccount:`
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(e.g., `serviceAccount:your-service-account@your-project.iam.gserviceaccount.com`).
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## Attributes Reference
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The following attribute is exported:
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* `policy_data` - The above bindings serialized in a format suitable for
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referencing from a resource that supports IAM.
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