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label","message":"proxy_logging: use empty string for unknown resource label\n\nProxy_logging emits labeled statsd metrics that include a label key\n\u0027resource\u0027, which is typically \u0027account\u0027, \u0027container\u0027, \u0027object\u0027.\n\nWhen the resource type cannot be determined, the \u0027resource\u0027 label\nvalue would previously have had the value \u0027UNKNOWN\u0027. We\u0027d like all\n\u0027unknown\u0027 label values to be represented by the empty string when sent\nby the statsd client.\n\nThis patch therefore changes the default \u0027resource\u0027 value to the\nliteral None in the base_labels dict. Note that, since the\nRelated-Change, label dict values that are None will be represented by\nan empty string when sent by a LabeledStatsdClient.\n\n\u0027UNKNOWN\u0027 is still used to construct the *name* of legacy un-labeled\nmetrics when the resource type is not known.\n\nUpgradeImpact\nThe statsd \u0027resource\u0027 label value is changed from \u0027UNKNOWN\u0027 to the\nempty string when the resource type cannot be determined.\n\nDrive-by:\nFix test_update_swift_base_labels_s3_request: the alternate\nv4 auth header case was being overridden by v2 headers set in the\nhelper method.\n\nRelated-Change: I251836f1171888343e8556570dcb2e86e2543c06\nChange-Id: I93e28a1e024300bacd421578fc988a7fb6594c80\nSigned-off-by: Alistair Coles \u003calistairncoles@gmail.com\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/edbe8bdf86e83c02a4e238b238d119767ebe7ab8"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/edbe8bdf86e83c02a4e238b238d119767ebe7ab8"}]},"branch":"refs/heads/master"},"456d01ab4aee831db7cb8fb1f96aefc0fd6699e9":{"kind":"NO_CODE_CHANGE","_number":2,"created":"2026-07-31 14:59:19.000000000","uploader":{"_account_id":7847,"name":"Alistair Coles","email":"alistairncoles@gmail.com","username":"acoles"},"ref":"refs/changes/25/998625/2","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/swift","ref":"refs/changes/25/998625/2","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/2 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/2 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/2 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/swift refs/changes/25/998625/2"}}},"commit":{"parents":[{"commit":"b0f92bd978266f30c20cfc9b37c63f3df81a22a2","subject":"statsd: send None label values as an empty string","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/b0f92bd978266f30c20cfc9b37c63f3df81a22a2"}]}],"author":{"name":"Alistair Coles","email":"alistairncoles@gmail.com","date":"2026-07-24 13:49:45.000000000","tz":60},"committer":{"name":"Alistair Coles","email":"alistairncoles@gmail.com","date":"2026-07-31 14:59:19.000000000","tz":0},"subject":"proxy_logging: use empty string for unknown resource label","message":"proxy_logging: use empty string for unknown resource label\n\nProxy_logging emits labeled statsd metrics that include a label key\n\u0027resource\u0027, which is typically \u0027account\u0027, \u0027container\u0027, \u0027object\u0027.\n\nWhen the resource type cannot be determined, the \u0027resource\u0027 label\nvalue would previously have had the value \u0027UNKNOWN\u0027. We\u0027d like all\n\u0027unknown\u0027 label values to be represented by the empty string when sent\nby the statsd client.\n\nThis patch therefore changes the default \u0027resource\u0027 value to the\nliteral None in the base_labels dict. Note that, since the\nRelated-Change, label dict values that are None will be represented by\nan empty string when sent by a LabeledStatsdClient.\n\n\u0027UNKNOWN\u0027 is still used to construct the *name* of legacy un-labeled\nmetrics when the resource type is not known.\n\nNote: This patch only addresses uses of \u0027UNKNOWN\u0027 in proxy_logging middleware statsd labels. \u0027UNKNOWN\u0027 and \u0027unknown\u0027 are still used as label values in s3api middleware, which should be fixed by a follow-on patch.\n\nUpgradeImpact\nThe statsd \u0027resource\u0027 label value is changed from \u0027UNKNOWN\u0027 to the\nempty string when the resource type cannot be determined.\n\nDrive-by:\nFix test_update_swift_base_labels_s3_request: the alternate\nv4 auth header case was being overridden by v2 headers set in the\nhelper method.\n\nRelated-Change: I251836f1171888343e8556570dcb2e86e2543c06\nChange-Id: I93e28a1e024300bacd421578fc988a7fb6594c80\nSigned-off-by: Alistair Coles \u003calistairncoles@gmail.com\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/456d01ab4aee831db7cb8fb1f96aefc0fd6699e9"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/456d01ab4aee831db7cb8fb1f96aefc0fd6699e9"}]},"branch":"refs/heads/master","description":"Edit commit message"},"c71016b093c11a5042e6faccc858f51ceae76cfd":{"kind":"REWORK","_number":3,"created":"2026-07-31 15:02:22.000000000","uploader":{"_account_id":7847,"name":"Alistair Coles","email":"alistairncoles@gmail.com","username":"acoles"},"ref":"refs/changes/25/998625/3","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/swift","ref":"refs/changes/25/998625/3","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/3 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/3 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/3 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/swift refs/changes/25/998625/3"}}},"commit":{"parents":[{"commit":"b0f92bd978266f30c20cfc9b37c63f3df81a22a2","subject":"statsd: send None label values as an empty string","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/b0f92bd978266f30c20cfc9b37c63f3df81a22a2"}]}],"author":{"name":"Alistair Coles","email":"alistairncoles@gmail.com","date":"2026-07-24 13:49:45.000000000","tz":60},"committer":{"name":"Alistair Coles","email":"alistairncoles@gmail.com","date":"2026-07-31 15:02:22.000000000","tz":0},"subject":"proxy_logging: use empty string for unknown resource label","message":"proxy_logging: use empty string for unknown resource label\n\nProxy_logging emits labeled statsd metrics that include a label key\n\u0027resource\u0027, which is typically \u0027account\u0027, \u0027container\u0027, \u0027object\u0027.\n\nWhen the resource type cannot be determined, the \u0027resource\u0027 label\nvalue would previously have had the value \u0027UNKNOWN\u0027. We\u0027d like all\n\u0027unknown\u0027 label values to be represented by the empty string when sent\nby the statsd client.\n\nThis patch therefore changes the default \u0027resource\u0027 value to the\nliteral None in the base_labels dict. Note that, since the\nRelated-Change, label dict values that are None will be represented by\nan empty string when sent by a LabeledStatsdClient.\n\n\u0027UNKNOWN\u0027 is still used to construct the *name* of legacy un-labeled\nmetrics when the resource type is not known.\n\nNote: This patch only addresses uses of \u0027UNKNOWN\u0027 in proxy_logging middleware statsd labels. \u0027UNKNOWN\u0027 and \u0027unknown\u0027 are still used as label values in s3api middleware, which should be fixed by a follow-on patch.\n\nUpgradeImpact\nThe statsd \u0027resource\u0027 label value is changed from \u0027UNKNOWN\u0027 to the\nempty string when the resource type cannot be determined.\n\nDrive-by:\nFix test_update_swift_base_labels_s3_request: the alternate\nv4 auth header case was being overridden by v2 headers set in the\nhelper method.\n\nRelated-Change: I251836f1171888343e8556570dcb2e86e2543c06\nChange-Id: I93e28a1e024300bacd421578fc988a7fb6594c80\nSigned-off-by: Alistair Coles \u003calistairncoles@gmail.com\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/c71016b093c11a5042e6faccc858f51ceae76cfd"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/c71016b093c11a5042e6faccc858f51ceae76cfd"}]},"branch":"refs/heads/master"},"909458063fac77c14f3f19a3612d27d046429078":{"kind":"NO_CODE_CHANGE","_number":4,"created":"2026-07-31 15:03:47.000000000","uploader":{"_account_id":7847,"name":"Alistair Coles","email":"alistairncoles@gmail.com","username":"acoles"},"ref":"refs/changes/25/998625/4","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/swift","ref":"refs/changes/25/998625/4","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/4 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/4 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/swift refs/changes/25/998625/4 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/swift refs/changes/25/998625/4"}}},"commit":{"parents":[{"commit":"b0f92bd978266f30c20cfc9b37c63f3df81a22a2","subject":"statsd: send None label values as an empty string","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/b0f92bd978266f30c20cfc9b37c63f3df81a22a2"}]}],"author":{"name":"Alistair Coles","email":"alistairncoles@gmail.com","date":"2026-07-24 13:49:45.000000000","tz":60},"committer":{"name":"Alistair Coles","email":"alistairncoles@gmail.com","date":"2026-07-31 15:03:29.000000000","tz":0},"subject":"proxy_logging: use empty string for unknown resource label","message":"proxy_logging: use empty string for unknown resource label\n\nProxy_logging emits labeled statsd metrics that include a label key\n\u0027resource\u0027, which is typically \u0027account\u0027, \u0027container\u0027, \u0027object\u0027.\n\nWhen the resource type cannot be determined, the \u0027resource\u0027 label\nvalue would previously have had the value \u0027UNKNOWN\u0027. We\u0027d like all\n\u0027unknown\u0027 label values to be represented by the empty string when sent\nby the statsd client.\n\nThis patch therefore changes the default \u0027resource\u0027 value to the\nliteral None in the base_labels dict. Note that, since the\nRelated-Change, label dict values that are None will be represented by\nan empty string when sent by a LabeledStatsdClient.\n\n\u0027UNKNOWN\u0027 is still used to construct the *name* of legacy un-labeled\nmetrics when the resource type is not known.\n\nNote: This patch only addresses uses of \u0027UNKNOWN\u0027 in proxy_logging\nmiddleware statsd labels. \u0027UNKNOWN\u0027 and \u0027unknown\u0027 are still used as\nlabel values in s3api middleware, which should be fixed by a\nfollow-on patch.\n\nUpgradeImpact\nThe statsd \u0027resource\u0027 label value is changed from \u0027UNKNOWN\u0027 to the\nempty string when the resource type cannot be determined.\n\nDrive-by:\nFix test_update_swift_base_labels_s3_request: the alternate\nv4 auth header case was being overridden by v2 headers set in the\nhelper method.\n\nRelated-Change: I251836f1171888343e8556570dcb2e86e2543c06\nChange-Id: I93e28a1e024300bacd421578fc988a7fb6594c80\nSigned-off-by: Alistair Coles \u003calistairncoles@gmail.com\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/909458063fac77c14f3f19a3612d27d046429078"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/swift/commit/909458063fac77c14f3f19a3612d27d046429078"}]},"branch":"refs/heads/master","description":"Edit commit message"}},"requirements":[],"submit_records":[{"rule_name":"gerrit~DefaultSubmitRule","status":"CLOSED","labels":[{"label":"Verified","status":"MAY","applied_by":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]}},{"label":"Code-Review","status":"MAY","applied_by":{"_account_id":6968,"name":"Christian Schwede","email":"cschwede@nvidia.com","username":"cschwede"}},{"label":"Workflow","status":"MAY","applied_by":{"_account_id":6968,"name":"Christian Schwede","email":"cschwede@nvidia.com","username":"cschwede"}}]}],"submit_requirements":[{"name":"Verified","description":"Verified in gate by CI","status":"SATISFIED","is_legacy":false,"submittability_expression_result":{"expression":"label:Verified\u003dMAX AND -label:Verified\u003dMIN","fulfilled":true,"status":"PASS","passing_atoms":["label:Verified\u003dMAX"],"failing_atoms":["label:Verified\u003dMIN"],"atom_explanations":{"label:Verified\u003dMAX":"","label:Verified\u003dMIN":""}}},{"name":"Code-Review","description":"Code reviewed by core reviewer","status":"SATISFIED","is_legacy":false,"submittability_expression_result":{"expression":"label:Code-Review\u003dMAX AND -label:Code-Review\u003dMIN","fulfilled":true,"status":"PASS","passing_atoms":["label:Code-Review\u003dMAX"],"failing_atoms":["label:Code-Review\u003dMIN"],"atom_explanations":{"label:Code-Review\u003dMAX":"","label:Code-Review\u003dMIN":""}}},{"name":"Workflow","description":"Approved for gate by core reviewer","status":"SATISFIED","is_legacy":false,"submittability_expression_result":{"expression":"label:Workflow\u003dMAX AND -label:Workflow\u003dMIN","fulfilled":true,"status":"PASS","passing_atoms":["label:Workflow\u003dMAX"],"failing_atoms":["label:Workflow\u003dMIN"],"atom_explanations":{"label:Workflow\u003dMAX":"","label:Workflow\u003dMIN":""}}}]}