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Configurar recursos e réplicas de contêineres
Esta página descreve como configurar recursos de contêineres e réplicas para
controladores no Config Connector.
Configurar a alocação de recursos para um contêiner de controlador do Config Connector
No Config Connector versão 1.106 e mais recentes, é possível configurar os recursos de CPU e
memória (RAM) alocados para um contêiner em um pod de controlador do Config Connector. É possível configurar os seguintes controladores:
cnrm-webhook-manager
cnrm-controller-manager
cnrm-deletiondefender
cnrm-resource-stats-recorder
cnrm-unmanaged-detector (Config Connector versão 1.108 e mais recentes)
Por exemplo, é possível configurar a solicitação de memória e o limite do contêiner webhook
do controlador cnrm-webhook-manager criando e aplicando
o exemplo de arquivo YAML abaixo.
Crie um arquivo chamado configure-webhook-manager.yaml e copie o
YAML a seguir nele:
Use kubectl apply
para aplicar a configuração do recurso de contêiner ao cluster:
kubectl apply -f configure-webhook-manager.yaml
Para verificar se a configuração foi concluída, execute o seguinte comando:
kubectl get controllerresource cnrm-webhook-manager -o jsonpath='{.status.healthy}'
O campo status.healthy precisa ser definido como true.
Verifique se a nova configuração de recurso personalizado foi aplicada ao
contêiner webhook.
kubectl get deployment cnrm-webhook-manager -n cnrm-system -o jsonpath='{.spec.template.spec.containers[?(@.name=="webhook")].resources}'
A criação e a recriação dos pods pode levar alguns minutos.
Se o Config Connector estiver configurado para ser executado no
modo com namespace, use o recurso personalizado NamespacedControllerResource para configurar os recursos de contêiner para o controlador cnrm-controller-manager no namespace designado. A configuração de recursos de contêiner para um controlador com namespace
é ativada no Config Connector versão 1.108 e mais recentes. O arquivo YAML a seguir
mostra um exemplo de configuração:
apiVersion:customize.core.cnrm.cloud.google.com/v1beta1kind:NamespacedControllerResourcemetadata:name:cnrm-controller-manager# name should not contain the namespace ID suffixnamespace:NAMESPACEspec:containers:-name:managerresources:limits:cpu:200mmemory:512Mirequests:cpu:100mmemory:256Mi
Substitua NAMESPACE pelo nome do namespace.
Configurar réplicas para um pod de controlador do Config Connector
No Config Connector versão 1.107 e mais recentes, é possível configurar o número de
réplicas para um controlador do Config Connector. Só é possível configurar o
cnrm-webhook-manager.
Por exemplo, as etapas a seguir mostram como configurar o número de réplicas
do controlador cnrm-webhook-manager para 3.
Crie um arquivo chamado configure-webhook-manager.yaml e copie o YAML a seguir nele:
Use kubectl apply
para aplicar a configuração modificada ao cluster:
kubectl apply -f configure-webhook-manager.yaml
Para verificar se a configuração foi bem-sucedida, execute o comando a seguir.
kubectl get controllerresource cnrm-webhook-manager -o jsonpath='{.status.healthy}'
O campo status.healthy precisa ser definido como true.
Verifique a presença de três pods de webhook no cluster.
kubectl get pods -n cnrm-system -l cnrm.cloud.google.com/component=cnrm-webhook-manager
A criação e a recriação dos pods pode levar alguns minutos.
Reverter mudanças de configuração em recursos e réplicas de contêineres
Use kubectl
delete
para excluir os recursos personalizados ControllerResource que você configurou. Após
a exclusão, o operador do Config Connector recria os controladores com os
recursos e as réplicas de contêiner padrão.
[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Informações incorretas ou exemplo de código","incorrectInformationOrSampleCode","thumb-down"],["Não contém as informações/amostras de que eu preciso","missingTheInformationSamplesINeed","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Outro","otherDown","thumb-down"]],["Última atualização 2025-09-02 UTC."],[[["\u003cp\u003eConfig Connector allows the configuration of CPU and memory resources for containers within its controller Pods, including \u003ccode\u003ecnrm-webhook-manager\u003c/code\u003e, \u003ccode\u003ecnrm-controller-manager\u003c/code\u003e, \u003ccode\u003ecnrm-deletiondefender\u003c/code\u003e, \u003ccode\u003ecnrm-resource-stats-recorder\u003c/code\u003e, and \u003ccode\u003ecnrm-unmanaged-detector\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eContainer resources can be configured using \u003ccode\u003eControllerResource\u003c/code\u003e custom resources by defining resource \u003ccode\u003elimits\u003c/code\u003e and \u003ccode\u003erequests\u003c/code\u003e in a YAML file, which can be applied via \u003ccode\u003ekubectl apply\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eIn namespaced mode, the \u003ccode\u003eNamespacedControllerResource\u003c/code\u003e custom resource must be used to configure container resources for the \u003ccode\u003ecnrm-controller-manager\u003c/code\u003e within the specified namespace, with this functionality available from Config Connector version 1.108.\u003c/p\u003e\n"],["\u003cp\u003eConfig Connector enables adjusting the number of replicas for the \u003ccode\u003ecnrm-webhook-manager\u003c/code\u003e controller by setting the \u003ccode\u003ereplicas\u003c/code\u003e field in the \u003ccode\u003eControllerResource\u003c/code\u003e YAML file, which the operator will then enforce by managing the associated \u003ccode\u003eHorizontalPodAutoscaler\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eYou can revert to the default container resources and replicas by deleting the \u003ccode\u003eControllerResource\u003c/code\u003e configuration using \u003ccode\u003ekubectl delete\u003c/code\u003e, which will trigger the Config Connector operator to recreate the controllers.\u003c/p\u003e\n"]]],[],null,["# Configure container resources and replicas\n==========================================\n\n*** ** * ** ***\n\nThis pages describes how to configure container resources and replicas for\ncontrollers in Config Connector.\n\nConfigure resource allocation for a Config Connector controller container\n-------------------------------------------------------------------------\n\nIn Config Connector version 1.106 and later, you can configure the CPU and\nmemory (RAM) resources allocated to a container in a Config Connector controller\nPod. You can configure the following controllers:\n\n- `cnrm-webhook-manager`\n- `cnrm-controller-manager`\n- `cnrm-deletiondefender`\n- `cnrm-resource-stats-recorder`\n- `cnrm-unmanaged-detector` (Config Connector version 1.108 and later)\n\nFor example, you can configure the memory request and limit of the `webhook`\ncontainer of the `cnrm-webhook-manager` controller by creating and applying\nthe following example YAML file.\n\n1. Create a file named `configure-webhook-manager.yaml` and copy the\n following YAML into it:\n\n apiVersion: customize.core.cnrm.cloud.google.com/v1beta1\n kind: ControllerResource\n metadata:\n name: cnrm-webhook-manager\n spec:\n containers:\n - name: webhook\n resources:\n limits:\n memory: 512Mi\n requests:\n memory: 256Mi\n\n2. Use [`kubectl apply`](https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#apply)\n to apply the container resource configuration to your cluster:\n\n ```\n kubectl apply -f configure-webhook-manager.yaml\n ```\n3. Verify the successful configuration by running the following command:\n\n ```\n kubectl get controllerresource cnrm-webhook-manager -o jsonpath='{.status.healthy}'\n ```\n\n It should display `status.healthy` field set to `true`.\n4. Verify that the new custom resource configuration has been applied to the\n `webhook` container.\n\n ```\n kubectl get deployment cnrm-webhook-manager -n cnrm-system -o jsonpath='{.spec.template.spec.containers[?(@.name==\"webhook\")].resources}'\n ```\n\n Creating and recreating the Pods could take a few minutes.\n\n| **Note:** Some containers have a default value set for the container environment variable `GOMEMLIMIT`. If you configure the memory request value for these containers, the Config Connector operator automatically adjusts the `GOMEMLIMIT` value to 85% of the specified memory request.\n\nIf Config Connector is configured to run in\n[namespaced mode](/config-connector/docs/how-to/install-namespaced), you must\nuse the `NamespacedControllerResource` custom resource to configure container\nresources for the `cnrm-controller-manager` controller within your designated\nnamespace. The configuration of container resources for a namespaced controller\nis enabled in Config Connector version 1.108 and later. The following YAML file\nshows an example configuration: \n\n apiVersion: customize.core.cnrm.cloud.google.com/v1beta1\n kind: NamespacedControllerResource\n metadata:\n name: cnrm-controller-manager # name should not contain the namespace ID suffix\n namespace: \u003cvar translate=\"no\"\u003e\u003cspan class=\"devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain\"\u003eNAMESPACE\u003c/span\u003e\u003c/var\u003e\n spec:\n containers:\n - name: manager\n resources:\n limits:\n cpu: 200m\n memory: 512Mi\n requests:\n cpu: 100m\n memory: 256Mi\n\nReplace \u003cvar translate=\"no\"\u003eNAMESPACE\u003c/var\u003e with the name of your namespace.\n\nConfigure replicas for a Config Connector controller Pod\n--------------------------------------------------------\n\nIn Config Connector version 1.107 and later, you can configure the number of\nreplicas for a Config Connector controller. You can only configure the\n`cnrm-webhook-manager`.\n\nFor example, the following steps show how to configure the number of replicas\nfor the `cnrm-webhook-manager` controller to `3`.\n\n1. Create a file named `configure-webhook-manager.yaml` and copy the following\n YAML into it:\n\n apiVersion: customize.core.cnrm.cloud.google.com/v1beta1\n kind: ControllerResource\n metadata:\n name: cnrm-webhook-manager\n spec:\n replicas: 3\n containers:\n - name: webhook\n resources:\n limits:\n memory: 512Mi\n requests:\n memory: 256Mi\n\n2. Use [`kubectl apply`](https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#apply)\n to apply the modified configuration to your cluster:\n\n ```\n kubectl apply -f configure-webhook-manager.yaml\n ```\n3. Verify the successful configuration by running the following command.\n\n ```\n kubectl get controllerresource cnrm-webhook-manager -o jsonpath='{.status.healthy}'\n ```\n\n It should display `status.healthy` field set to `true`.\n4. Verify the presence of 3 webhook Pods within your cluster.\n\n ```\n kubectl get pods -n cnrm-system -l cnrm.cloud.google.com/component=cnrm-webhook-manager\n ```\n\n Creating and recreating the Pods could take a few minutes.\n\n| **Note:** Config Connector includes a [`HorizontalPodAutoscaler`](/kubernetes-engine/docs/concepts/horizontalpodautoscaler) that periodically adjusts the appropriate replicas for the `cnrm-webhook-manager` controller. If you manually configure the replicas using the configuration YAML, the Config Connector operator automatically adjusts the `minReplicas` and `maxReplicas` of the `HorizontalPodAutoscaler` to ensure the cluster maintains at least the specified number of replicas in the configuration YAML.\n\nRevert configuration changes in container resources and replicas\n----------------------------------------------------------------\n\nUse [`kubectl\ndelete`](https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#delete)\nto delete the `ControllerResource` custom resources that you configured. After\ndeletion, the Config Connector operator recreates the controllers with the\ndefault container resources and replicas. \n\n```\nkubectl delete -f configure-webhook-manager.yaml\n```"]]
