MON-4647: increase regex maxLength from 1000 to 8192 - #3052
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Real-world writeRelabelConfigs regex patterns listing dozens of metric names commonly reach 2000-5000+ bytes. Prometheus itself has no length limit on relabel regex. Raise the CRD limit to 8192. Signed-off-by: Daniel Mellado <dmellado@fedoraproject.org>
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@danielmellado: This pull request references MON-4647 which is a valid jira issue. Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the task to target the "5.1.0" version, but no target version was set. DetailsIn response to this:
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📝 WalkthroughWalkthroughThe change increases the maximum Suggested reviewers: Priority: ⬇️ Low Merge Risk: 🔵 Low · up to The new limit works for a moderately long regex, but its promised maximum is not protected by tests. Add exact-limit acceptance and above-limit rejection coverage before relying on this regression protection. Important Pre-merge checks failedPlease resolve all errors before merging. Addressing warnings is optional. ❌ Failed checks (1 error, 1 warning)
✅ Passed checks (13 passed)
Full details: Stable And Deterministic Test NamesExplanation The added test title is static, but it is overly specific and tied to the old 1000-byte limit: Full details: Microshift Test CompatibilityExplanation The pull request adds a YAML test case that the repository converts into a Ginkgo Resolution MicroShift compatibility notice: This test uses the unavailable
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
🧪 Generate unit tests (beta)
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Inline comments:
In
`@config/v1alpha1/tests/clustermonitorings.config.openshift.io/ClusterMonitoringConfig.yaml`:
- Line 3140: Update the regex validation tests around the existing metric regex
case to add ASCII inputs of exactly 8192 characters and 8193 characters,
asserting the 8192-character value is accepted and the 8193-character value is
rejected. Preserve the existing 1094-character coverage and related behavior.
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⛔ Files ignored due to path filters (5)
config/v1alpha1/zz_generated.crd-manifests/0000_10_config-operator_01_clustermonitorings.crd.yamlis excluded by!**/zz_generated.crd-manifests/*config/v1alpha1/zz_generated.featuregated-crd-manifests/clustermonitorings.config.openshift.io/ClusterMonitoringConfig.yamlis excluded by!**/zz_generated.featuregated-crd-manifests/**config/v1alpha1/zz_generated.swagger_doc_generated.gois excluded by!**/zz_generated*openapi/generated_openapi/zz_generated.openapi.gois excluded by!openapi/**,!**/zz_generated*openapi/openapi.jsonis excluded by!openapi/**
📒 Files selected for processing (3)
config/v1alpha1/tests/clustermonitorings.config.openshift.io/ClusterMonitoringConfig.yamlconfig/v1alpha1/types_cluster_monitoring.gopayload-manifests/crds/0000_10_config-operator_01_clustermonitorings.crd.yaml
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Should be a safe change relaxing the length validation
| // When omitted, this means no opinion and the platform is left to choose a reasonable default, which is subject to change over time. | ||
| // The default value is "(.*)" to match everything. | ||
| // Must be between 1 and 1000 characters in length when specified. | ||
| // Must be between 1 and 8192 characters in length when specified. |
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Out of scope of this PR, but it would be nice to have some validation around RE2, since this just allows any string. I assume the consumer of this API does that already, though
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/lgtm |
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Scheduling tests matching the |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: everettraven, yuqi-zhang The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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5 participants
Real-world writeRelabelConfigs regex patterns listing dozens of metric
names commonly reach 2000-5000+ bytes. Prometheus itself has no length
limit on relabel regex. Raise the CRD limit to 8192.
Signed-off-by: Daniel Mellado dmellado@fedoraproject.org