Use DescribeInstancePatchStates with a CLI

To get the patch summary states for instances

This describe-instance-patch-states example gets the patch summary states for an instance.

aws ssm describe-instance-patch-states \
    --instance-ids "i-1234567890abcdef0"

Output:

{
    "InstancePatchStates": [
        {
            "InstanceId": "i-1234567890abcdef0",
            "PatchGroup": "my-patch-group",
            "BaselineId": "pb-0713accee01234567",
            "SnapshotId": "521c3536-930c-4aa9-950e-01234567abcd",
            "CriticalNonCompliantCount": 2,
            "SecurityNonCompliantCount": 2,
            "OtherNonCompliantCount": 1,
            "InstalledCount": 123,
            "InstalledOtherCount": 334,
            "InstalledPendingRebootCount": 0,
            "InstalledRejectedCount": 0,
            "MissingCount": 1,
            "FailedCount": 2,
            "UnreportedNotApplicableCount": 11,
            "NotApplicableCount": 2063,
            "OperationStartTime": "2021-05-03T11:00:56-07:00",
            "OperationEndTime": "2021-05-03T11:01:09-07:00",
            "Operation": "Scan",
            "LastNoRebootInstallOperationTime": "2020-06-14T12:17:41-07:00",
            "RebootOption": "RebootIfNeeded"
        }
    ]
}

For more information, see About Patch Compliance in the Amazon Systems Manager User Guide.

Example 1: This example gets the patch summary states for an instance.

Get-SSMInstancePatchState -InstanceId "i-08ee91c0b17045407"

Example 2: This example gets the patch summary states for two instances.

Get-SSMInstancePatchState -InstanceId "i-08ee91c0b17045407","i-09a618aec652973a9"