Updated on 2026-06-01 GMT+08:00

IMS Operations Audited by CTS

Scenarios

Cloud Trace Service (CTS) is a log audit service provided by Huawei Cloud and intended for cloud security. It allows you to collect, store, and query cloud resource operation records and use these records for security analysis, compliance auditing, resource tracking, and fault locating.

You can use CTS to record IMS operations for later querying, auditing, and backtracking.

Prerequisites

You need to enable CTS before using it. If it is not enabled, IMS operations cannot be recorded. After being enabled, CTS automatically creates a tracker to record all your operations. The tracker stores only the operations of the last seven days. To store the operations for a longer time, store trace files in OBS buckets. For details, see Enabling CTS.

IMS Operations Recorded by CTS

Table 1 IMS operations that can be recorded by CTS

Operation

Resource Type

Trace Name

Creating an image

ims

createImage

Creating a data disk image

ims

createDataImage

Creating a full-ECS image

ims

createWholeImage

Modifying an image

ims

updateImage

Deleting images

ims

deleteImage

Querying details about an image

ims

queryImage

Querying details about images

ims

listImages

Replicating an image

ims

copyImage

Replicating an image across regions

ims

crossRegionCopyImage

Exporting an image

ims

exportImage

Adding image recipients

ims

addMember

Updating the image sharing status of an image recipient

ims

updateMember

Deleting image recipients

ims

deleteMember

Querying details about an image recipient

ims

queryMember

Querying image recipients

ims

listMembers

Adding or modifying an image tag

ims

createOrUpdateTags

Adding or deleting image tags

ims

batchAddOrDeleteImageTag

Adding an image tag

ims

createTag

Deleting image tags

ims

deleteTags

Deleting an image tag

ims

deleteTag

Querying image tags

ims

listTags

Creating image metadata

ims

createImageMetadata

Register an image file as a private image

ims

registerImage

Uploading an image

ims

uploadImage

Querying the image schema

ims

queryImageSchema

Querying the image list schema

ims

queryImageListSchema

Querying the image recipient schema

ims

queryMemberSchema

Querying an image recipient list schema

ims

queryMemberListSchema

Querying OSs supported by images

ims

listOsVersions

Querying image quotas

ims

queryImageQuota

Table 2 Relationship between IMS operations and native OpenStack APIs

Operation

Trace Name

Service Type

Resource Type

OpenStack Component

Creating an Image

createImage

IMS

image

glance

Modifying/Uploading an image

updateImage

IMS

image

glance

Deleting an image

deleteImage

IMS

image

glance

Tagging an image

addTag

IMS

image

glance

Deleting an image tag

deleteTag

IMS

image

glance

Adding image recipients

addMember

IMS

image

glance

Updating the image sharing status of an image recipient

updateMember

IMS

image

glance

Deleting image recipients

deleteMember

IMS

image

glance