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partial fix #3701: sync job: pull: add transfer-last parameter

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Specifying the transfer-last parameter limits the amount of backups
that get synced via the pull command/sync job. The parameter specifies
how many of the N latest backups should get pulled/synced. All other
backups will get skipped.

This is particularly useful in situations where the sync target has
less disk space than the source. Syncing all backups from the source
is not possible if there is not enough disk space on the target.
Additionally this can be used for limiting the amount of data
transferred, reducing load on the network.

The newest backup will always get re-synced, regardless of the setting
of the transfer-last parameter.

Signed-off-by: Stefan Hanreich <s.hanreich@proxmox.com>
This commit is contained in:
Stefan Hanreich 2023-04-18 16:59:45 +02:00 committed by Fabian Grünbichler
parent 175a8c6d7e
commit f971b8c1e6
1 changed files with 11 additions and 0 deletions
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11
pbs-api-types/src/jobs.rs
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@ -444,6 +444,11 @@ pub const GROUP_FILTER_SCHEMA: Schema = StringSchema::new(
pub const GROUP_FILTER_LIST_SCHEMA: Schema =
ArraySchema::new("List of group filters.", &GROUP_FILTER_SCHEMA).schema();
pub const TRANSFER_LAST_SCHEMA: Schema =
IntegerSchema::new("Limit transfer to last N snapshots (per group), skipping others")
.minimum(1)
.schema();
#[api(
properties: {
id: {
@ -493,6 +498,10 @@ pub const GROUP_FILTER_LIST_SCHEMA: Schema =
schema: GROUP_FILTER_LIST_SCHEMA,
optional: true,
},
"transfer-last": {
schema: TRANSFER_LAST_SCHEMA,
optional: true,
},
}
)]
#[derive(Serialize, Deserialize, Clone, Updater, PartialEq)]
@ -522,6 +531,8 @@ pub struct SyncJobConfig {
pub group_filter: Option<Vec<GroupFilter>>,
#[serde(flatten)]
pub limit: RateLimitConfig,
#[serde(skip_serializing_if = "Option::is_none")]
pub transfer_last: Option<usize>,
}
impl SyncJobConfig {