LifecycleRule

id stringrequired

Unique identifier for the rule (max 255 chars). Use a descriptive name like archive-old-logs or expire-temp-uploads.

Possible values:<= 255 characters

enabled booleanrequired

Whether the rule is currently active. Set to false to temporarily disable a rule without deleting it.
When disabled, objects will not be transitioned or expired by this rule.

expirationobject

Configuration for automatic object deletion (expiration).

When the expiration condition is met, objects matching this rule are permanently deleted.

Specify ONE Condition (Not Both)

• days: Delete objects N days after their creation date
• date: Delete all matching objects on a specific date

days integer

Number of days after object creation when the object will be deleted.
The deletion happens at midnight UTC on the calculated expiration date.

Example: If days: 30 and an object was created on Dec 1, it expires on Dec 31.

date date-time

Specific date (at midnight UTC) when all matching objects will be deleted, regardless of when they were created.
Use this for one-time cleanup operations or compliance deadlines.

Must be a future date in RFC3339 format with midnight UTC time.

Example: 2025-01-01T00:00:00Z

transitionsobject[]

List of storage class transitions. Objects will transition through each defined step.
Transitions must be in chronological order (earlier days/dates first).

Array [

days integer

Number of days after object creation when the transition occurs.
The transition happens at midnight UTC on the calculated date.

Example: If days: 60 and an object was created on Jan 1, it transitions on Mar 2.

date date-time

Specific date (at midnight UTC) when all matching objects will be transitioned, regardless of when they were created.
Use this for planned migrations or cost optimization deadlines.

Must be a future date in RFC3339 format with midnight UTC time.

Example: 2025-06-01T00:00:00Z

storage_class StorageClassrequired

Storage class for the bucket. Default is STANDARD.

Possible values: [STANDARD, STANDARD_IA, GLACIER, GLACIER_IR]

]

filterobject

Optional scope for a lifecycle rule. When unset, the rule applies to every object in the bucket.

prefix string

Only apply this rule to objects whose keys start with the given prefix.
For example, logs/ scopes the rule to objects under that prefix.

LifecycleRule

{

"id": "string",

"enabled": true,

"expiration": {

"days": 0,

"date": "2025-01-01T00:00:00Z"

},

"transitions": [

{

"days": 0,

"date": "2025-06-01T00:00:00Z",

"storage_class": "STANDARD"

}

],

"filter": {

"prefix": "string"

}

}