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Adding an Image Retention Policy
Scenario
You can add a retention policy to an image in SWR to automatically delete any unused image tags. The policy takes effect immediately after you set it. There are two types of policies:
- Number of days: keeping only image tags that have been pushed to SWR within a certain number of days.
- Number of tags: keeping only a certain number of the most recent image tags.
You can configure filters for your retention policy to prevent certain image tags from being affected by the retention policy.
Notes and Constraints
Only one retention rule can be added to an image. If you want to add a new retention policy, you must delete the existing policy.
Procedure
- Log in to the SWR console.
- In the navigation pane on the left, choose My Images, and click the target image.
- On the Retention tab page, click +. Configure the policy based on Table 1 and click OK.
Table 1 Adding an image retention policy Parameter
Description
Policy Type
There are two types of retention policies:
- Number of days: keeping only image tags that have been pushed to SWR within a certain number of days.
- Number of tags: keeping only a certain number of the most recent image tags.
Count Limit (Number of days)
When you set Policy Type to Number of days, the value of Count Limit indicates how many days an image tag can be stored. The value should be an integer ranging from 1 to 365.
Count Limit (Number of tags)
When you set Policy Type to Number of tags, the value of Count Limit indicates the maximum number of the most recent image tags to be retained. The value should be an integer ranging from 1 to 1,000.
Tag Filter
Enter image tags that you do not want this retention policy to apply to.
Regular Expression Filter
Enter a regular expression. Image tags meeting this regular expression will not be affected by this retention policy.
After the retention policy is added, SWR immediately applies the policy and displays deleted image tags (if any) in the Retention Logs area.
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