Managing Rate-Limiting PR requests when there is also global setting present

[knuurr]

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We are using Mend Renovate Bot to manage dependency updates, and we need to enforce a limit of one open PR per update type (patch/minor/major) at a time for specific dependencies.

Current Issue:

• Updates for deployment (here is n8n for example) appear rate-limited in the Renovate dashboard. There is 0 PR created in Github and any PR needs to be manually rebased in dashboard
• Expected behavior: At most one open PR per update type at a time.
• Current behavior: Renovate does not seem to honor this limit, requiring manual rebase operations.

Example of current configuration for n8n:

    {
      "description": "n8n base configuration - applies to all n8n updates",
      "matchDepNames": ["n8nio/n8n"]
    },
    {
      "description": "n8n patch updates",
      "matchDepNames": ["n8nio/n8n"],
      "matchUpdateTypes": ["patch"],
      "prPriority": 3,
      "groupName": "n8n patch updates",
      "prBodyNotes": ["⚠️ Manual verification required before merging"],
      "prConcurrentLimit": 2
    },
    {
      "description": "n8n minor updates",
      "matchDepNames": ["n8nio/n8n"],
      "matchUpdateTypes": ["minor"],
      "prPriority": 2,
      "groupName": "n8n minor updates",
      "prBodyNotes": ["⚠️ Manual verification required before merging"],
      "prConcurrentLimit": 2
    },
    {
      "description": "n8n major updates",
      "matchDepNames": ["n8nio/n8n"],
      "matchUpdateTypes": ["major"],
      "prPriority": 1,
      "groupName": "n8n major updates",
      "prBodyNotes": ["⚠️ Manual verification required before merging"],
      "prConcurrentLimit": 1,
      "prHourlyLimit": 1
    }

This was for n8n, but we also have global setting:

  "prConcurrentLimit": 30,
  "prHourlyLimit": 10,

Desired Outcome:

• Ensure that only one PR per update type (patch/minor/major) is open at a time.
• Reduce manual rebasing by allowing Renovate to handle this correctly.

Are there additional Renovate settings we should use to enforce this behavior?

For context Here is our current full Renovate configuration:

Click to expand JSON config

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "description": "Renovate configuration for managing dependencies across our infrastructure",
  "extends": [
    "config:recommended",
    ":assignee(xxxx)",
    ":automergeDisabled",
    ":separateMultipleMajorReleases",
    ":separateMultipleMinorReleases"
  ],
  "baseBranches": ["main"],
  "enabledManagers": [
    "helmfile",
    "helm-values",
    "dockerfile",
    "argocd",
    "kubernetes",
    "custom.regex",
    "regex"
  ],
  "commitMessagePrefix": "{{#if isPatch}}📦{{else}}{{#if isMinor}}⬆️{{else}}⏫{{/if}}{{/if}}",
  "commitMessageAction": "Update",
  "commitMessageTopic": "{{depName}}",
  "commitMessageExtra": "{{currentVersion}} -> {{newVersion}} ({{#if isPatch}}patch{{else}}{{#if isMinor}}minor{{else}}major{{/if}}{{/if}})",
  "argocd": {
    "description": "ArgoCD configuration for scanning Kubernetes manifests in our clusters",
    "fileMatch": [
      "argo_clusters/common/apps/.+\\.yaml$",
      "argo_clusters/main/apps/.+\\.yaml$",
      "argo_clusters/manager/apps/.+\\.yaml$",
      "argo_clusters/monitoring/apps.+\\.yaml$"
    ]
  },
  "prConcurrentLimit": 30,
  "prHourlyLimit": 10,
  "customManagers": [
    {
      "description": "Track n8n version updates in ArgoCD applications",
      "customType": "regex",
      "fileMatch": ["^argo_clusters/.*/apps/n8n\\.yaml$"],
      "matchStrings": ["tag:\\s*['\"](?<currentValue>[^'\"]*)['\"]"],
      "depNameTemplate": "n8nio/n8n",
      "datasourceTemplate": "docker"
    },
    {
      "description": "ArgoCD version tracker",
      "customType": "regex",
      "fileMatch": ["^argo_clusters/manager/apps/argocd-version-tracker\\.yaml$"],
      "matchStrings": ["version:\\s*(?<currentValue>[0-9]+\\.[0-9]+\\.[0-9]+)"],
      "datasourceTemplate": "helm",
      "depNameTemplate": "argo-cd",
      "registryUrlTemplate": "https://argoproj.github.io/argo-helm",
      "versioningTemplate": "semver"
    }  
  ],
"packageRules": [
  {
    "description": "ArgoCD version tracking configuration",
    "matchFileNames": ["argo_clusters/manager/apps/argocd-version-tracker.yaml"],
    "matchDatasources": ["helm"],
    "matchPackageNames": ["argo-cd"],
    "commitMessageTopic": "ArgoCD chart",
    "commitMessageExtra": "{{currentVersion}} -> {{newVersion}} (⚠️ MANUAL UPGRADE REQUIRED)",
    "addLabels": ["argocd", "manual-upgrade"],
    "prPriority": 1,
    "prConcurrentLimit": 5
  },
    {
      "description": "Victoria Metrics configuration - separate PRs for each environment",
      "matchDatasources": ["helm"],
      "matchPackageNames": ["victoria-metrics-k8s-stack"],
      "matchPaths": [
        "argo_clusters/common/apps/victoria-metrics.yaml",
        "argo_clusters/monitoring/apps/victoria-metrics.yaml",
        "argo_clusters/common/apps/victoria-metrics-prod.yaml",
        "argo_clusters/monitoring/apps/victoria-metrics-prod.yaml"
      ],
      "groupName": null,
      "additionalBranchPrefix": "{{packageFileDir}}-",
      "separateMinorPatch": true,
      "separateMajorMinor": true,
      "addLabels": [
        "{{packageFileDir}}",
        "{{#if (containsString packageFile 'prod')}}prod{{else}}non-prod{{/if}}",
        "{{#if (containsString packageFile 'monitoring')}}monitoring{{else}}common{{/if}}"
      ],
      "prBodyNotes": [
        "🔍 **Environment Path**: `{{packageFileDir}}`",
        "📄 **File**: `{{packageFile}}`"
      ]
    },
    {
      "description": "n8n base configuration - applies to all n8n updates",
      "matchDepNames": ["n8nio/n8n"]
    },
    {
      "description": "n8n patch updates",
      "matchDepNames": ["n8nio/n8n"],
      "matchUpdateTypes": ["patch"],
      "prPriority": 3,
      "groupName": "n8n patch updates",
      "prBodyNotes": ["⚠️ Manual verification required before merging"],
      "prConcurrentLimit": 2
    },
    {
      "description": "n8n minor updates",
      "matchDepNames": ["n8nio/n8n"],
      "matchUpdateTypes": ["minor"],
      "prPriority": 2,
      "groupName": "n8n minor updates",
      "prBodyNotes": ["⚠️ Manual verification required before merging"],
      "prConcurrentLimit": 2
    },
    {
      "description": "n8n major updates",
      "matchDepNames": ["n8nio/n8n"],
      "matchUpdateTypes": ["major"],
      "prPriority": 1,
      "groupName": "n8n major updates",
      "prBodyNotes": ["⚠️ Manual verification required before merging"],
      "prConcurrentLimit": 1,
      "prHourlyLimit": 1
    }
  ]
}

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