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18
Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Chris Lu
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28862c866e |
Authorize an Iceberg table create before it writes (#10991)
* s3tables: share one CreateTable authorization gate CreateTable and RegisterTable each carried their own copy of the name validation, policy load and permission check. Fold them into authorizeCreateTable, and expose it on the Manager for callers that write into a table bucket before the table itself is registered. Claude-Session: https://claude.ai/code/session_01QiJkka1T2NAWDWq4JQ8Vuy * iceberg: authorize a table create before it writes Stage-create returns before the S3Tables registration that authorizes a create, and the plain create writes its metadata file before reaching it, so a caller who may not create the table could still leave a staged template, a marker and a v1.metadata.json in the target bucket - and get vended credentials for a location of their choosing. Run the CreateTable gate as soon as the table is known to be absent. Claude-Session: https://claude.ai/code/session_01QiJkka1T2NAWDWq4JQ8Vuy * iceberg: authorize a create-on-commit the same way A commit against a table that does not exist creates it, writing the metadata file first and only then reaching the registration that checks the caller may create it. Denied callers saw a 500 for what is a 403. Claude-Session: https://claude.ai/code/session_01QiJkka1T2NAWDWq4JQ8Vuy * iceberg: pin that identity actions reach the create gate The manager request is built from the caller's own context, so an identity whose actions carry the permission still passes. Worth a test: a fresh context here would silently deny every such caller. Claude-Session: https://claude.ai/code/session_01QiJkka1T2NAWDWq4JQ8Vuy |
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Chris Lu
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7522e17b6d |
iceberg: vend table-scoped credentials to clients that ask for delegation (#10777)
* iceberg: vend table-scoped credentials to clients that ask for delegation The catalog recognised X-Iceberg-Access-Delegation: vended-credentials and then deliberately said nothing, because it had nothing to vend: it withheld even the S3 endpoint so the client would keep the credentials it was configured with. That left every engine expecting the catalog to hand out access - Snowflake, Databricks, Trino with vending, any multi-tenant setup - needing static S3 keys distributed out of band. Mint an STS session per request instead, scoped by a session policy to the table's own prefix plus the bucket listing needed to resolve it, and return it in the load response config and storage-credentials. The role to assume is named by -s3.iceberg.credentialRole; its trust policy is what decides whether a caller may assume it, and vending stays off until it is set. A failed mint falls back to the old silence rather than handing back an endpoint the client cannot sign for. * iceberg: keep vended credentials inside the table prefix Review follow-ups on credential vending: Listing was granted on the bucket ARN with no condition, so a credential vended for one table could enumerate every other table's object names. Constrain s3:prefix to the table's own prefix, which the S3 gateway already populates for list requests. A table location carrying * or ? would have gone into the policy's resource pattern unescaped and widened the session to sibling prefixes. Refuse to vend for such a location rather than escaping it; nothing the catalog generates contains those characters. DurationSeconds skipped the 900..43200 bounds the other assume-role paths enforce, so -s3.iceberg.credentialDurationSeconds could ask for a session outside them. The check is now shared by all three entry points. * iceberg: return the vended credentials from buildFileIOConfig itself buildStorageConfig was a second name for what buildFileIOConfig already did; it now returns the storage credentials alongside the properties, and callers that only want the properties drop them. * iceberg: split the vended bucket grants, and refuse a whole-bucket scope The prefix condition sat on a statement that also granted GetBucketLocation and ListBucketMultipartUploads, neither of which carries an s3:prefix to satisfy it, so both were denied for every vended credential. GetBucketLocation moves to its own unconditioned statement. ListBucketMultipartUploads is dropped: Iceberg writers complete and abort by upload id, and granting it either leaks in-flight keys bucket-wide or breaks on the same missing prefix. A table whose location has no prefix - one registered at the bucket root - would have been vended read and write over every other table in the bucket. Refuse, the way a location with wildcards is refused. |
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Chris Lu
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ec37ef5aaa |
iceberg: add view rename, scan-report and snapshots=refs to the catalog (#10776)
* iceberg: add view rename, scan-report and snapshots=refs to the catalog Three gaps against the REST spec that clients hit in normal use: Views had no rename, though tables did and views are stored the same way, so the move is the same catalog-only pointer move. Tables and views share a namespace directory, so both renames now refuse the other kind instead of moving it. Engines POST a scan or commit report after planning; a 404 there turns into an error line per query. Accept the report and discard it - the catalog keeps no metrics store. LoadTable ignored ?snapshots=refs and always returned the whole snapshot history, which is what clients use the parameter to avoid on long-lived tables. * iceberg: authorize view rename against the view ARN, tighten the metrics endpoint Review follow-ups: The shared rename checked the source against a table ARN whatever the kind, so a policy scoped to a view's own ARN never matched and one written for a table ARN was evaluated for a view. The entry kind now carries the ARN builder. The metrics endpoint truncated a report at 1 MiB and then failed to parse it, answering 400 for a query that had actually succeeded. Read one byte past the limit to tell "fits" from "cut short", and discard an oversized report instead of rejecting it. Empty bodies and reports without a report-type are now rejected, which the REST schema requires. ?snapshots= is defined for LoadTable, so it no longer filters what CreateTable echoes back. |
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Chris Lu
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d044839ab2 |
iceberg: make a table commit a compare-and-swap (#10775)
* iceberg: make a table commit a compare-and-swap
The catalog validated the caller's version token, ran its authorization
checks, and only then wrote the new metadata xattr. Two engines
committing against the same base both passed that check and both wrote,
so the second silently dropped the first one's snapshot. Both also derive
the same v{N}.metadata.json name and the file write overwrote, leaving
the surviving pointer aimed at the loser's metadata - and the loser's
conflict cleanup then deleted the winner's file.
Write the metadata file with an exclusive create and update the xattr
conditionally on the bytes the handler read, the way the maintenance
worker already commits. A writer that lost the race re-reads and retries,
and reports 409 CommitFailedException once out of attempts.
* iceberg: stage a commit under a unique name when the versioned one is taken
Two follow-ups from review of the commit compare-and-swap:
Refusing to overwrite v{N}.metadata.json also refused to get past a file
left behind by a commit that died between staging and updating the
pointer. Every later commit derived the same name, saw the collision, and
reported a conflict, so the table stayed uncommittable until an orphan
sweep removed the file. Stage under v{N}-{uuid} instead: neither writer's
file is overwritten and the catalog pointer still decides who won, which
is how the maintenance worker has always staged its own metadata.
metadataVersionFromLocation learned to read the version back out of that
name.
The conditional update guarded only the metadata attribute while the
write replaced the whole entry, so a policy or tag written in the same
window was silently reverted. Guard every catalog attribute, which turns
that into a conflict the caller retries on fresh state.
* iceberg: give saveMetadataFile the exclusive flag instead of a second name
saveNewMetadataFile, saveMetadataBlobExclusive and uniqueMetadataFileName
were three new names around one existing helper. The flag now rides on
saveMetadataFile and saveMetadataBlob, and the unique-name construction
sits where it is used.
* iceberg: reuse the filer CAS helpers #10773 added, and stage transactions exclusively
#10773 landed mutateEntryExtended, which already writes an entry back under a
whole-entry precondition and retries. Drop the helper this branch added and
route the table commit through it: the check that the metadata is still the
one this request read now lives in the mutation, where it sees current state.
The policy the request was authorized against is asserted too, so an
administrator restricting it mid-commit sends the caller back through
authorization instead of having a stale decision applied. Bucket and
namespace policies live on other entries and a single-entry precondition
cannot cover them.
Multi-table transactions stage their metadata exclusively for the same
reason single-table commits do, and carry the name they landed on into the
pointer flip.
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Chris Lu
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923d0bd20c |
iceberg: repair non-compliant manifests at commit (#10641)
* iceberg: stamp a default name mapping on new tables * iceberg: repair non-compliant manifests at commit * s3tables: verify ClickHouse writes read back through PyIceberg * iceberg: carry the manifest-list content into repaired manifests * iceberg: refresh the default name mapping on schema evolution * iceberg: merge historical names into the refreshed name mapping * iceberg: never fail a commit on repair fallout * iceberg: harden manifest repair against writer dialects * s3tables: keep PyIceberg reader stderr out of row data * iceberg: keep name mappings unambiguous across field id reassignment * iceberg: align existing manifest content metadata with the list entry |
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Chris Lu
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d448e9db7b |
iceberg: withhold the S3 endpoint from credential-vending clients (#10570)
* iceberg: withhold the S3 endpoint from credential-vending clients A client that sends X-Iceberg-Access-Delegation: vended-credentials builds its storage credential out of the LoadTable config and drops the one it was configured with. We vend no credentials, so the endpoint we advertised left DuckDB signing nothing: every metadata and data file came back 403, and its attempt to refresh the empty credential 404ed on stage-created tables. Answer those clients with no config at all so they keep their own credentials. Clients that do not ask for delegation still get the endpoint. * iceberg: mark load responses as varying on the delegation header The FileIO config in a table or view load response now depends on whether the client asked for vended credentials, so a cache between us and the client must key on that header rather than on the URL alone. * test: cover the DuckDB vended-credentials access pattern Runs weed mini with -s3.externalUrl, which is what makes the catalog advertise an endpoint at all, and checks both halves: a plain LoadTable still gets the endpoint, while one asking for vended credentials never gets an endpoint without the credentials to sign with. The DuckDB round trip creates a table from a query and reads it back, which is the flow that failed with 403 on every data file. |
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Chris Lu
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ac6f3c92ef |
s3api/iceberg: report the reason a table schema was rejected (#10473)
* s3api/iceberg: report the reason a table schema was rejected newTableMetadata swallowed the iceberg-go error and returned nil, so every schema the metadata builder refused came back as a bare 500 "Failed to build table metadata". A v3-only column type is the common case: creating a table with a variant field but no format-version 3 property leaves the client with nothing, while "variant is not supported until v3" sits in the server log. Return the error instead and classify it. Schema, spec and argument failures are the caller's input, so they answer 400 with the underlying reason; the rest stay 500. Paths that build placeholder metadata with no schema keep their existing 500 via newEmptyTableMetadata. * s3api/iceberg: fail LoadTable when placeholder metadata cannot be built buildLoadTableResult dropped a nil from the placeholder path straight into the response. That serializes as "metadata":null under HTTP 200, which no Iceberg client can parse -- a worse outcome than the 500 the nil was meant to signal. Return an error instead and let the five callers answer 500. The nil-return convention goes away with it, so the commit and transaction paths check an error rather than a sentinel. * s3api/iceberg: route rejected schemas through writeManagerError The two helpers added here duplicated work the package already does. writeManagerError is the canonical error-to-response mapper -- it already downgrades client-input failures to 400 and defaults the rest to 500 -- so teach it the iceberg-go schema and spec sentinels instead of standing up a parallel classifier. The placeholder wrapper was a pure alias for newTableMetadata with nil arguments; call that directly. No behavior change beyond the 500 message, which now reads err.Error() like every other manager error rather than carrying its own prefix. |
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Chris Lu
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1c5f8244a4 |
s3tables: fix create-after-rename overwriting the renamed table (#10091)
* s3tables: purge decoupled table data without deleting the reused name path A renamed or created-over-leftover table keeps its data at a location that differs from its catalog name path. Drop now purges that data location and clears the marker, instead of recursively deleting the name path, which may still hold another table's data. * iceberg: route a table created over a leftover to a unique location When the default location is occupied by a leftover directory (data kept when another table was renamed to this name), create the new table at a unique location so it cannot overwrite that table's metadata. Common case is unchanged. * iceberg: fail table create when the leftover-path check errors A transient filer lookup error fell through as "not occupied", routing the new table back to the default path and risking the very overwrite this check guards against. Propagate the error and return 500 instead. * s3tables: assert all catalog xattrs cleared on decoupled drop Seed the full marker set so the test catches a regression that leaves the policy, tags, version, or entry-type attribute on the reused name path. * s3tables: refuse to drop a table whose data path is an ancestor Corrupt metadata can resolve the data path to the bucket or namespace root, which the bucket-scope check still admits; a recursive purge there would wipe sibling tables. Reject an ancestor data path before deleting. |
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Chris Lu
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e744b5f2ee |
iceberg: detect table-exists through the wrapped manager error (#10075)
handleCreateTable used a type assertion that fails through WithFilerClient's 'all filers failed' wrap, so a concurrent create that the pre-check missed fell through instead of returning the existing table. Use errors.As. |
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Chris Lu
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c95401b11a |
iceberg: support table rename (#10068)
* s3tables: add RenameTable operation * iceberg: support table rename * iceberg: test table rename * s3tables: keep table data in place on rename rename is catalog-only: drop the source's catalog xattrs in place instead of recursively deleting its directory, which wiped the metadata.json and data files the renamed destination still points at. treat a missing table-metadata xattr as NoSuchTable in GetTable so the soft-deleted source name stops resolving. * s3tables: test rename preserves data make the in-memory filer honor recursive data deletion and seed the source table's metadata/ and data/ children, then assert a rename leaves them intact, the source name resolves to NoSuchTable, and the destination resolves to the preserved location. * iceberg: map rename errors through wrapped manager error * s3tables: authorize rename destination namespace rename moved a table into the destination namespace after only checking the source, letting a source-authorized caller place tables in namespaces they don't control. require CreateTable on the destination namespace and bucket before writing. * s3tables: purge renamed table data on drop * s3tables: test table data dir derivation |
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Chris Lu
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628ce57625 |
iceberg: support table register (#10067)
* s3tables: add RegisterTable op * iceberg: support table register * iceberg: test register table * iceberg: parse engine-written metadata version from location * iceberg: test metadata version parsing for both filename forms * iceberg: map register errors through wrapped manager error * iceberg: validate register metadata-location bucket and reject traversal * iceberg: log register metadata load failure |
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Chris Lu
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6de283ccaa |
iceberg: return 400 for invalid namespace/table names (#10051)
* iceberg: return 400 for invalid namespace/table names The S3 Tables name charset (a-z, 0-9, _) is stricter than the Iceberg REST spec, so clients sending hyphens or uppercase hit a validation error. That error fell through to 500; it's client input, so map it to 400 BadRequestException across the namespace and table handlers. * iceberg: tighten name-validation error matching Match the validator's own phrasings (invalid/must/cannot) instead of a bare "namespace name"/"table name" substring, so an unrelated fault that happens to mention a name isn't misreported as a 400. Lowercase first to stay robust to message capitalization. |
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Chris Lu
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0345658ea8 |
[s3] validate indirect filer path inputs (#9931)
* s3: validate indirect filer path inputs * s3: avoid query parsing on common request path * filer: scope copy/move source against JWT AllowedPrefixes maybeCheckJwtAuthorization only checked r.URL.Path, but copy and move read their source from the cp.from / mv.from query params. A prefix-restricted token could copy or move data out of a subtree it cannot otherwise reach. Check every path the request touches, reusing pathHasComponentPrefix so `..` in the source is collapsed before the prefix match. * s3: confine iceberg CreateTable location to the catalog bucket CreateTable derived the metadata bucket and path from the client-supplied req.Location / req.Name and wrote there directly, so a caller scoped to one table bucket could place metadata in another bucket (and path.Join collapsed any `..`). Require the parsed bucket to equal the request's catalog bucket and reject traversal segments in the table path. * webdav: clean client path before subFolder confinement wrappedFs concatenated subFolder + name before the underlying FileSystem ran path.Clean, so `..` in the request path or COPY/MOVE Destination resolved across the FilerRootPath confinement boundary. Clean the name as a rooted path first so traversal segments collapse below subFolder. Only the non-default -filer.path (non-empty subFolder) setup was affected. * filer: enforce read-only rule on real write path with destination header The x-seaweedfs-destination header overrides the path used for storage-rule matching while the entry is written at r.URL.Path, letting a caller select a writable rule for a read-only target. When the header is present, also check the read-only/quota rule against the actual write path. |
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qzhelloandChris Lu
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69c84801e4 |
fix(s3tables/iceberg): make metadata spec-compliant and accept real-world manifest names (#9703)
* fix(s3tables/iceberg): make metadata spec-compliant and accept real-world manifest names
Two related issues prevent SeaweedFS S3 Tables from interoperating with
strict Iceberg clients (Java/Spark/Flink/Trino):
1. iceberg-go v0.5.0 serializes empty TableMetadata state by dropping
keys via `omitempty` on optional pointer/slice fields. The Iceberg
table spec, however, requires `current-snapshot-id`, `snapshots`,
`snapshot-log`, `metadata-log`, and `refs` to be present even when
empty (`current-snapshot-id` must be -1 for a table with no
snapshots). Java's TableMetadataParser uses JsonUtil.getLong on
`current-snapshot-id` and throws "Cannot parse missing long
current-snapshot-id" against responses produced by this server.
2. The Iceberg layout validator only accepts manifest filenames that
match Iceberg's internal naming (`{uuid}-m{n}.avro`,
`snap-{n}-{n}-{uuid}.avro`). Real writers — notably Flink's sink —
emit manifests like
`{flink-job-id}-{checkpoint}-{operator-id}-{n}.avro`, which the
validator rejects with 403, breaking INSERT commits.
Fixes:
* Add ensureMetadataSpecCompliance helper that backfills the five
spec-required empty-state fields when iceberg-go omits them or emits
explicit JSON null. Apply it on every code path that writes
v*.metadata.json to S3 or returns metadata to clients
(handlers_table create-table, handlers_commit, commit_helpers
create-on-commit, plus MarshalJSON on LoadTableResult and
CommitTableResponse). Real values from non-empty tables are never
overwritten.
* Add catch-all regex entries to metadataFilePatterns accepting any
*.avro / *.metadata.json filename composed of [A-Za-z0-9._-]. The
Iceberg spec does not mandate filename format; the strict patterns
remain for documentation. Metadata-directory subdirectory rejection
and the data-file path validation are unchanged.
No upstream dependencies are forked: iceberg-go stays at v0.5.0 and
go.mod is untouched. The compliance layer can be removed once upstream
emits spec-compliant output.
Tests (all pass under `go test -race`):
- metadata_compliance_test.go: 5 cases covering missing fields,
preserved real values, explicit null, invalid JSON, empty input.
- iceberg_layout_test.go: 3 groups (16 subtests) covering real-world
manifest names from Flink/Spark/Iceberg, security boundary
(subdirectories, bad extensions), and data-file regression.
* fix(s3tables/iceberg): preserve metadata key order and keep config field stable
Two small follow-ups on the spec-compliance fix:
* ensureMetadataSpecCompliance now splices missing keys in at the byte
level just before the closing brace, so iceberg-go's struct-declared
key order survives the backfill. The previous unmarshal/remarshal
through map[string]json.RawMessage silently alphabetized every key in
the document, which is spec-legal but breaks byte-equality fixtures
and any downstream hashing of the persisted metadata. The slower
remarshal path is kept for the rare explicit-null replacement case.
* LoadTableResult.MarshalJSON now serializes Config without omitempty,
matching the struct field tag. The custom marshaler had silently
flipped the tag to ,omitempty, which made the "config" key disappear
from the response whenever s3Endpoint was unset (since
buildFileIOConfig returned an empty but non-nil Properties map).
Tests:
- PreservesOriginalKeyOrder pins the byte-level output against
iceberg-go's emitted shape; would have caught the alphabetization
regression.
- EmptyObjectBackfilled covers the {} -> sentinels-only case (no
leading comma).
- AllPresentReturnsSameBytes confirms the no-op path returns input
bytes unchanged, with whitespace intact.
- iceberg_layout_test pins the catch-all $ anchor: metadata/file.avro.txt
must still be rejected.
* fix(s3tables/iceberg): guard ensureMetadataSpecCompliance against top-level null
json.Unmarshal of a JSON `null` literal succeeds but leaves the map nil.
The current byte-append path no-ops gracefully on this input, but the
slow remarshal path would panic with "assignment to entry in nil map"
if the input ever combined `null` with the explicit-null detection. Add
an explicit nil-map short-circuit so the safety property is obvious
from the source, and a test that pins the contract.
* test(s3tables/iceberg): assert full byte equality in AllPresentReturnsSameBytes
The prefix check only caught a missing "{\n " opener, so the test
would have passed even if the function silently reordered keys or
collapsed whitespace later in the document. Switch to a full string
comparison so any future regression in the no-op path is loud.
---------
Co-authored-by: Chris Lu <chris.lu@gmail.com>
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Chris Lu
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9554e259dd |
fix(iceberg): route catalog clients to the right bucket and vend S3 endpoint (#9109)
* fix(iceberg): route catalog clients to the right bucket and vend S3 endpoint DuckDB ATTACH 's3://<bucket>/' AS cat (TYPE 'ICEBERG', ...) was failing with "schema does not exist" because GET /v1/config ignored the warehouse query parameter and returned no overrides.prefix, so subsequent requests fell through to the hard-coded "warehouse" default bucket instead of the one the client attached. LoadTable also returned an empty config, forcing clients to discover the S3 endpoint out-of-band and producing 403s on direct iceberg_scan calls. - handleConfig now echoes overrides.prefix = bucket and defaults.warehouse when ?warehouse=s3://<bucket>/ is supplied. - getBucketFromPrefix honors a warehouse query parameter as a fallback for clients that skip the /v1/config handshake. - LoadTable responses advertise s3.endpoint and s3.path-style-access so clients can reach data files without separate configuration. Refs #9103 * address review feedback on iceberg S3 endpoint vending - deriveS3AdvertisedEndpoint is now a method on S3Options; honors externalUrl / S3_EXTERNAL_URL, switches to https when -s3.key.file is set, uses the https port when configured, and brackets IPv6 literals via util.JoinHostPort. - handleCreateTable returns s.buildFileIOConfig() in both its staged and final LoadTableResult branches so create and load flows see the same FileIO hints. - Add unit test coverage for the endpoint derivation scenarios. * address CI and review feedback for #9109 - DuckDB integration test now runs under its own newOAuthTestEnv (with a valid IAM config) so the OAuth2 client_credentials flow DuckDB requires actually works; the shared env has no registered credentials, which was the cause of the CI failure. Helper createTableWithToken was added to create tables via Bearer auth. - Tighten TestIssue9103_LoadTableDoesNotVendS3FileIOCredentials to also assert s3.path-style-access = "true", so a partial regression where the endpoint is vended but path-style is dropped still fails. - deriveS3AdvertisedEndpoint now logs a startup hint when it infers the host from os.Hostname because the bind IP is a wildcard, pointing operators at -s3.externalUrl / S3_EXTERNAL_URL for reverse-proxy deployments where the inferred name is not externally reachable. - handleConfig has a comment explaining that any sub-path in the warehouse URL is dropped because catalog routing is bucket-scoped. * fix(iceberg): make advertised S3 endpoint strictly opt-in; add region The wildcard-bind fallback to os.Hostname() in deriveS3AdvertisedEndpoint was hijacking correctly-configured clients: on the CI runner it produced http://runnervmrc6n4:<port>, which Spark (running in Docker) could not resolve, so Spark iceberg tests began failing after the endpoint started being vended in LoadTable responses. Change the rule so advertising is opt-in and never guesses a host that might not be routable: - -s3.externalUrl / S3_EXTERNAL_URL wins (covers reverse-proxy). - Otherwise, only an explicit, non-wildcard -s3.bindIp is used. - Wildcard / empty bind returns "" so no FileIO endpoint is vended and existing clients keep using their own configuration. buildFileIOConfig additionally vends s3.region (defaulting to the same value baked into table bucket ARNs) whenever it vends an endpoint, so DuckDB's attach does not fail with "No region was provided via the vended credentials" when the operator has opted in. The DuckDB issue-9103 integration test runs under an env with a wildcard bind, so it explicitly sets AWS_REGION in the docker run to pick up the same default. The HTTP-level LoadTable-vending test was dropped because its expectation is now conditional and already covered by unit tests in iceberg_issue_9103_test.go. |
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Chris Lu
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2818251dd5 |
fix(iceberg): clean stale data before creating a table (#9074) (#9077)
* fix(iceberg): clean stale data before creating a table CREATE TABLE AS from Trino fails against the SeaweedFS Iceberg REST catalog with "Cannot create a table on a non-empty location". The catalog assigns every new table the deterministic <ns>/<table> path, and Trino's pre-write check rejects the CTAS whenever leftover objects live there — typically files from a prior DROP that did not purge the data, or an earlier aborted CTAS. Make the catalog the authority for table existence: before writing any metadata, look up the table in the S3 Tables catalog. If it is already registered, return the existing definition (idempotent create). If it is not registered, any objects still sitting at the target location are stale, so purge them before proceeding. Live tables are never touched — the cleanup path is guarded by the catalog lookup. Fixes #9074 * test(trino): regression for create/drop/recreate table (#9074) Exercises the exact sequence from the reported bug: CREATE TABLE without an explicit location, INSERT, DROP, then CREATE again with the same name, followed by a CTAS on top. Previously the recreate failed with "Cannot create a table on a non-empty location" because stale data files from the dropped table lingered at the deterministic <schema>/<table> path. The test also asserts the recreated table does not see the dropped data and that a drop/recreate CTAS cycle works. * fix(iceberg): purge dropped table location on DROP TABLE Recreate-at-same-location was failing with "Cannot create a table on a non-empty location" because DROP TABLE only removed the catalog entry and left data files behind. Trino's pre-write emptiness check then rejected the subsequent CREATE. Look up the table's storage location before deleting the catalog entry, and after a successful DeleteTable, purge the filer subtree at that location. The lookup uses the catalog — the authoritative owner of the name→location mapping — so cleanup is gated on a live table having existed; failed lookups skip cleanup and leave storage alone. Also pin the regression test to an explicit, fixed location so the recreate genuinely targets the same path the drop was supposed to free. * refactor(iceberg): use errors.As in isNoSuchTableError * fix(iceberg): drop create-preflight cleanup; harden cleanup path - Remove the destructive cleanupStaleTableLocation call from the CreateTable preflight. Storage cleanup now lives exclusively on the DROP path, so CreateTable has no side effects on storage beyond the new table's own metadata write. - Validate tablePath in cleanupStaleTableLocation by rejecting empty, ".", "..", or backslash-bearing segments before joining with the bucket prefix, so a crafted location cannot escape the bucket subtree. path.Clean would silently collapse traversal, so segments are checked raw. * test(trino): defer table drops in recreate test for failure-safe cleanup |
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Chris Lu
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761ec7da00 |
fix(iceberg): use dot separator for namespace paths instead of unit separator (#8960)
* fix(iceberg): use dot separator for namespace paths instead of unit separator The Iceberg REST Catalog handler was using \x1F (unit separator) to join multi-level namespaces when constructing S3 location and filer paths. The S3 Tables storage layer uses "." (dot) as the namespace separator, causing tables created via the Iceberg REST API to point to different paths than where S3 Tables actually stores them. Fixes #8959 * fix(iceberg): use dot separator in log messages for readable namespace output * fix(iceberg): use path.Join for S3 location path segments Use path.Join to construct the namespace/table path segments in fallback S3 locations for robustness and consistency with handleCreateTable. * test(iceberg): add multi-level namespace integration tests for Spark and Trino Add regression tests for #8959 that create a two-level namespace (e.g. "analytics.daily"), create a table under it, insert data, and query it back. This exercises the dot-separated namespace path construction and verifies that Spark/Trino can actually read the data at the S3 location returned by the Iceberg REST API. * fix(test): enable nested namespace in Trino Iceberg catalog config Trino requires `iceberg.rest-catalog.nested-namespace-enabled=true` to support multi-level namespaces. Without this, CREATE SCHEMA with a dotted name fails with "Nested namespace is not enabled for this catalog". * fix(test): parse Trino COUNT(*) output as integer instead of substring match Avoids false matches from strings.Contains(output, "3") by parsing the actual numeric result with strconv.Atoi and asserting equality. * fix(test): use separate Trino config for nested namespace test The nested-namespace-enabled=true setting in Trino changes how SHOW SCHEMAS works, causing "Internal error" for all tests sharing that catalog config. Move the flag to a dedicated config used only by TestTrinoMultiLevelNamespace. * fix(iceberg): support parent query parameter in ListNamespaces for nested namespaces Add handling for the Iceberg REST spec's `parent` query parameter in handleListNamespaces. When Trino has nested-namespace-enabled=true, it sends `GET /v1/namespaces?parent=<ns>` to list child namespaces. The parent value is decoded from the Iceberg unit separator format and converted to a dot-separated prefix for the S3 Tables layer. Also simplify TestTrinoMultiLevelNamespace to focus on namespace operations (create, list, show tables) rather than data operations, since Trino's REST catalog has a non-empty location check that conflicts with server-side metadata creation. * fix(test): expand Trino multi-level namespace test and merge config helpers - Expand TestTrinoMultiLevelNamespace to create a table with explicit location, insert rows, query them back, and verify the S3 file path contains the dot-separated namespace (not \x1F). This ensures the original #8959 bug would be caught by the Trino integration test. - Merge writeTrinoConfig and writeTrinoNestedNamespaceConfig into a single parameterized function using functional options. |
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Chris Lu
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d6825ffce2 |
Iceberg: implement stage-create finalize flow (phase 1) (#8279)
* iceberg: implement stage-create and create-on-commit finalize * iceberg: add create validation error typing and stage-create integration test * tests: merge stage-create integration check into catalog suite * tests: cover stage-create finalize lifecycle in catalog integration * iceberg: persist and cleanup stage-create markers * iceberg: add stage-create rollout flag and marker pruning * docs: add stage-create support design and rollout plan * docs: drop stage-create design draft from PR * iceberg: use conservative 72h stage-marker retention * iceberg: address review comments on create-on-commit and tests * iceberg: keep stage-create metadata out of table location * refactor(iceberg): split iceberg.go into focused files |