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feat(odm): merge the source listing into ListObjectsV2 (#7112)

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* feat(odm): merge the source listing into ListObjectsV2

Adds policy.list_through: ListObjectsV2 merges the local and source
listings into one ordered page so clients see the whole namespace during
an on-demand migration. Local entries win a key both sides hold,
CommonPrefixes are unioned under a delimiter, and the continuation token
is an opaque versioned envelope carrying both cursors.

A source listing failure or an open breaker follows policy.source_error:
propagate answers 424, not_found answers from local state and marks the
response x-rustfs-on-demand-migration-list: local_only. Source listings
are capped at 10 per second per bucket.

* test(odm): refresh the e2e-full darwin selection digest

The list-through e2e module adds seven cases to the merge lane.
This commit is contained in:
Zhengchao An
2026-09-04 09:08:35 +08:00
committed by GitHub
parent 80c88a9031
commit 7dfc2ee5f0
22 changed files with 1914 additions and 33 deletions
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crates/ecstore/src/api/mod.rs
+7 -2
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@@ -166,6 +166,11 @@ pub mod bucket {
WriteBackError, WriteBackOutcome, WriteBackPart, WriteBackRequest, commit_inline, commit_inline_with,
idle_guarded_body,
};
pub use crate::bucket::on_demand_migration::{
FetchRequest, LIST_THROUGH_TOKEN_VERSION, ListEntryKey, ListThroughCursor, ListThroughMerger, ListThroughToken,
ListThroughTokenError, MAX_LIST_FETCHES_PER_SIDE, MergeOutcome, MergePick, MergeSide, SOURCE_LIST_MAX_RATE_WAIT,
SOURCE_LIST_RATE_PER_SEC, SourceListPlan, SourceListRateLimiter, decode_continuation_token, source_list_plan,
};
pub mod backfill {
pub use crate::bucket::on_demand_migration::backfill::{
BACKFILL_CHECKPOINT_FILE, BACKFILL_CHECKPOINT_FORMAT_VERSION, BACKFILL_FAILED_KEYS_CAPACITY, BACKFILL_LEASE,
@@ -179,8 +184,8 @@ pub mod bucket {
}
pub mod source_client {
pub use crate::bucket::on_demand_migration::source_client::{
SourceClient, SourceClientSpec, SourceError, SourceGet, SourceHead, SourceObject, SourcePage, SourceProbe,
SourceProvider, SourceSse, SourceTimeouts, USER_AGENT_SUFFIX, is_multipart_etag, range_header_value,
SourceClient, SourceClientSpec, SourceError, SourceGet, SourceHead, SourceListRequest, SourceObject, SourcePage,
SourceProbe, SourceProvider, SourceSse, SourceTimeouts, USER_AGENT_SUFFIX, is_multipart_etag, range_header_value,
resolve_path_style,
};
}