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kyverno/samples/AddNamespaceQuotas.md
Shivkumar Dudhani 3cf9141f4d
593 feature (#594)
* initial commit

* background policy validation

* correct message

* skip non-background policy process for add/update

* add Generate Request CR

* generate Request Generator Initial

* test generate request CR generation

* initial commit gr generator

* generate controller initial framework

* add crd for generate request

* gr cleanup controller initial commit

* cleanup controller initial

* generate mid-commit

* generate rule processing

* create PV on generate error

* embed resource type

* testing phase 1- generate resources with variable substitution

* fix tests

* comment broken test #586

* add printer column for state

* return if existing resource for clone

* set resync time to 2 mins & remove resource version check in update handler for gr

* generate events for reporting

* fix logs

* initial commit

* fix trailing quote in patch

* remove comments

* initial condition (equal & notequal)

* initial support for conditions

* initial support fo conditions in generate

* support precondition checks

* cleanup

* re-evaluate GR on namespace update using dynamic informers

* add status for generated resources

* display loaded variable SA

* support delete cleanup of generate request main resources

* fix log

* remove namespace from SA username

* support multiple variables per statement for scalar values

* fix fail variables

* add check for userInfo

* validation checks for conditions

* update policy

* refactor logs

* code review

* add openapispec for clusterpolicy preconditions

* Update documentation

* CR fixes

* documentation

* CR fixes

* update variable

* fix logs

* update policy

* pre-defined variables (serviceAccountName & serviceAccountNamespace)

* update test
2020-01-07 15:13:57 -08:00

1.4 KiB

Configure namespace limits and quotas

To limit the number of resources like CPU and memory, as well as objects that may be consumed by workloads in a namespace, it is important to configure resource limits and quotas for each namespace. The generated default limitrange sets the default quotas for a container.

Additional Information

Policy YAML

add_ns_quota.yaml

apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: add-ns-quota
spec:
  rules:
  - name: generate-resourcequota
    match:
      resources:
        kinds:
        - Namespace
    generate:
      kind: ResourceQuota
      name: default-resourcequota
      namespace: "{{request.object.metadata.name}}"
      data:
        spec:
          hard:
            requests.cpu: '4'
            requests.memory: '16Gi'
            limits.cpu: '4'
            limits.memory: '16Gi'
  - name: generate-limitrange
    match:
      resources:
        kinds:
        - Namespace
    generate:
      kind: LimitRange
      name: default-limitrange
      namespace: "{{request.object.metadata.name}}"
      data:
        spec:
          limits:
          - default:
              cpu: 500m
              memory: 1Gi
            defaultRequest:
              cpu: 200m
              memory: 256Mi
            type: Container