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s3: option to disable bucket auto-creation on upload (#10759)

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* s3: add option to disable bucket auto-creation on upload

* command: expose -autoCreateBucket in s3, filer, server, and mini

* s3: apply the bucket auto-create policy to directory marker uploads

* s3: validate the bucket name before the auto-create disabled check

* s3: cover the disabled auto-create gate at all three upload entry points
This commit is contained in:
Chris Lu
2026-08-14 10:58:45 -07:00
committed by GitHub
parent 02b3ec6e90
commit f66d6ffc4a
8 changed files with 93 additions and 1 deletions
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weed/command/mini.go
+2
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@@ -389,6 +389,7 @@ var (
miniS3Config = cmdMini.Flag.String("s3.config", "", "path to the S3 config file")
miniIamConfig = cmdMini.Flag.String("s3.iam.config", "", "path to the advanced IAM config file for S3")
miniS3AllowDeleteBucketNotEmpty = cmdMini.Flag.Bool("s3.allowDeleteBucketNotEmpty", true, "allow recursive deleting all entries along with bucket")
miniS3AutoCreateBucket = cmdMini.Flag.Bool("s3.autoCreateBucket", true, "create the bucket on upload if it does not exist, for admin identities only")
miniBucket = cmdMini.Flag.String("bucket", "", "comma-separated S3 bucket names to create on startup if they do not already exist; leave empty to skip. Falls back to S3_BUCKET env var.")
miniTableBucket = cmdMini.Flag.String("tableBucket", "", "comma-separated S3 Tables bucket names to create on startup if they do not already exist; leave empty to skip. Falls back to S3_TABLE_BUCKET env var.")
)
@@ -518,6 +519,7 @@ func initMiniS3Flags() {
miniS3Options.iamConfig = miniIamConfig
miniS3Options.auditLogConfig = cmdMini.Flag.String("s3.auditLogConfig", "", "path to the audit log config file")
miniS3Options.allowDeleteBucketNotEmpty = miniS3AllowDeleteBucketNotEmpty
miniS3Options.autoCreateBucket = miniS3AutoCreateBucket
miniS3Options.externalUrl = cmdMini.Flag.String("s3.externalUrl", "", "the external URL clients use to connect (e.g. https://api.example.com:9000). Used for S3 signature verification behind a reverse proxy. Falls back to S3_EXTERNAL_URL env var.")
miniS3Options.defaultFileMode = cmdMini.Flag.String("s3.defaultFileMode", "", "default file mode for S3 uploaded objects, e.g. 0660, 0644, 0666")
miniS3Options.cacheSizeMB = cmdMini.Flag.Int64("s3.cacheCapacityMB", 0, "in-memory chunk cache capacity in MB for S3 GETs shared across requests (0 disables)")