Identity and access management (IAM)

Key exchange for STS token

Log schema: Istio

Fields in the log entry that contain audit information
Audit metadata Audit field name Value
User or service identity identity

\"user\":{\"identity\":\"system:serviceaccount:iam-test:service-account\"}

Target

(Fields and values that call the API)

resource

\"resource\":\"service-accounts.zone1.google.gdch.test\"

Action

(Fields containing the performed operation)

Not applicable
Event timestamp time

"time": "2022-11-23T18:25:54Z"

Source of action Not applicable
Outcome Not applicable
Other fields Not applicable

Audit logs CRUD operations on Kubernetes resources including creation of service accounts, and access control management.

Log schema: KRM API

Fields in the log entry that contain audit information
Audit metadata Audit field name Value
User or service identity user/username

"user": {  "groups": [  "system:authenticated"  ],  "username": "fop-platform-admin@example.com"  }

Target

(Fields and values that call the API)

objectRef

"objectRef": {  "resource": "projectserviceaccounts",  "apiGroup": "resourcemanager.gdc.goog",  "name": "service-accountt",  "apiVersion": "v1alpha1",  "namespace": "iam-test" }

Action

(Fields containing the performed operation)

verb

"verb": "create"

Event timestamp requestReceivedTimestamp

"requestReceivedTimestamp": "2022-11-23T18:24:26.514173Z"

Source of action sourceIPs

"sourceIPs": [  "10.200.0.2"  ]

Outcome responseStatus

"responseStatus": {  "code": 201,  "metadata": {}  }

Other fields annotations/authorization.k8s.io/reason

"annotations": {  "authorization.k8s.io/reason": "RBAC: allowed by RoleBinding \"platform-admin-project-iam-admin/iam-test\" of Role \"project-iam-admin\" to User \"fop-platform-admin@example.com\"",  "authorization.k8s.io/decision": "allow"  }

Audit Log when a user logs out

Log schema: Custom AIS format.

Fields in the log entry that contain audit information
Audit metadata Audit field name Value
User or service identity payload.user

"payload": {  "expirationTime": "2023-08-29T12:42:36.848454939+00:00",  "groups": [],  "id": "7a5bea7a-0821-45d8-b4a0-69f24d30ab3f",  "issuer": "Google OIDC",  "user": "test-user"  }

Target

(Fields and values that call the API)

Not applicable

Action

(Fields containing the performed operation)

operation

"operation": "revoke"

Event timestamp metadata.timestamp

"timestamp": "2023-08-29T00:42:40.000544813+00:00"

Source of action Not applicable
Outcome Not applicable
Other fields expirationTime

"expirationTime": "2023-08-29T12:42:36.848454939+00:00"

Audit Log when a user logs in

Log schema: Custom AIS format.

Fields in the log entry that contain audit information
Audit metadata Audit field name Value
User or service identity payload.user

"payload": {  "expirationTime": "2023-08-29T05:22:13.350779831+00:00",  "groups": [],  "id": "dcb7c5d9-c171-4f5b-84b6-5c92bfffb0e0",  "issuer": "Azure AD SAML",  "user": "test-ais-e2e-saml@byoidcloudaccountgoogle.onmicrosoft.com"  }

Target

(Fields and values that call the API)

Not applicable

Action

(Fields containing the performed operation)

operation

"operation": "create"

Event timestamp metadata.timestamp

"timestamp": "2023-08-28T17:22:13.351713088+00:00"

Source of action Not applicable
Outcome Not applicable
Other fields expirationTime

"expirationTime": "2023-08-29T05:22:13.350779831+00:00"

Audit Log when PA revokes sessions for a user

Log schema: Custom AIS format.

Fields in the log entry that contain audit information
Audit metadata Audit field name Value
User or service identity payload.admin / payload.user

"payload": {  "admin": "test-user-1@gdch.com",  "numSessionsAffected": 1,  "peerWorkloadIdentity": "system:serviceaccount:anthos-identity-service:default",  "peerWorkloadIdentityIssuer": "https://kubernetes.default.svc.cluster.local",  "user": "test-user-2@gdch.com"  }

Target

(Fields and values that call the API)

resource

"resource": "session"

Action

(Fields containing the performed operation)

operation

"operation": "revoke"

Event timestamp metadata.timestamp

"timestamp": "2023-08-28T17:22:24.043644569+00:00"

Source of action Not applicable
Outcome Not applicable
Other fields numSessionsAffected

"numSessionsAffected": 1

Example log IAM

{ "pri": "46", "_gdch_flbProcessedTimestamp": 1669227957.340494, "_gdch_fluentbit_pod": "anthos-audit-logs-forwarder-vk6vx", "time": "2022-11-23T18:25:54Z", "message": "{\"time\":\"2022-11-23T18:25:54.257503516Z\",\"auditID\":\"d1c33645-bed0-47dc-8180-06b752673109\",\"user\":{\"identity\":\"system:serviceaccount:iam-test:service-accountt\"},\"resource\":\"service-accounts.zone1.google.gdch.test\",\"description\":\"{\\\"keyID\\\":\\\"f9540561-84d5-4113-983f-fd8868501596\\\",\\\"expirationTime\\\":\\\"2022-11-24T06:25:53Z\\\"}\"}", "ident": "/service-identity-server", "pid": "1", "msgid": "audit-log", "extradata": "-", "_gdch_cluster": "root-admin", "host": "serviceidentity-sa-server-55544bd9f5-nwg8m", "_gdch_service_name": "service-identity-audit-logs" }