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Neste documento, descrevemos como conferir a configuração de flexibilidade de instância em um grupo gerenciado de instâncias (MIG) e os tipos de máquina usados por cada VM no grupo.
Depois de adicionar ou fazer mudanças na flexibilidade de instâncias em um MIG, você pode fazer o seguinte:
Confira os tipos de máquina usados por cada VM
para garantir que o tipo de máquina que você quer remover de uma seleção de instâncias
não seja usado por nenhuma VM ou para verificar os diferentes tipos de máquina usados
no MIG.
Antes de começar
Configure a autenticação, caso ainda não tenha feito isso.
A autenticação verifica sua identidade para acesso a serviços e APIs do Google Cloud . Para executar
códigos ou amostras de um ambiente de desenvolvimento local, autentique-se no
Compute Engine selecionando uma das seguintes opções:
Select the tab for how you plan to use the samples on this page:
Console
When you use the Google Cloud console to access Google Cloud services and
APIs, you don't need to set up authentication.
gcloud
Instale a CLI do Google Cloud.
Após a instalação,
inicialize a CLI do Google Cloud executando o seguinte comando:
Na coluna Nome, clique no nome do MIG de que você quer
ver a configuração de flexibilidade da instância.
A página de visão geral do MIG será aberta.
Clique na guia Detalhes.
Na seção Flexibilidade da instância, a tabela Seleções de instância
mostra o nome, a classificação e os tipos de máquina em
uma seleção. Se o MIG não tiver a flexibilidade de instância configurada, a seção Flexibilidade de instância não será mostrada.
gcloud
Para conferir a configuração de flexibilidade de instância, use o
comando instance-groups managed describe.
Inclua a flag --format para filtrar as propriedades instanceFlexibilityPolicy.instanceSelections.
Se um MIG não tiver a flexibilidade de instância configurada, a saída vai retornar
null.
Substitua:
INSTANCE_GROUP_NAME: o nome do MIG de que
você quer ver a configuração de flexibilidade de instância.
REGION: a região em que o MIG está localizado.
REST
Para conferir a configuração de flexibilidade da instância, use o
método regionInstanceGroupManagers.get.
Inclua o parâmetro fields no URL da solicitação para filtrar as propriedades
instanceFlexibilityPolicy.instanceSelections.
GET https://compute.googleapis.com/compute/v1/projects/PROJECT_ID/regions/REGION/instanceGroupManagers/INSTANCE_GROUP_NAME?fields=instanceFlexibilityPolicy.instanceSelections
Na coluna Nome, clique no nome do MIG em que você quer ver
os tipos de máquina usados por cada VM.
A página Visão geral do MIG é aberta, listando todas as VMs no grupo, os tipos de máquina e outros detalhes.
gcloud
Para conferir os tipos de máquinas usados por cada VM em um MIG, liste as VMs usando o
comando instance-groups managed list-instances e inclua a flag --format para filtrar o
campo propertiesFromFlexibilityPolicy.machineType. Você também pode filtrar outros campos conforme necessário.
INSTANCE_GROUP_NAME: o nome do MIG de que
você quer ver a configuração de flexibilidade de instância.
REST
Para conferir os tipos de máquina usados por cada VM em um MIG, liste as VMs usando o
método listManagedInstances
e verifique o campo propertiesFromFlexibilityPolicy.machineType na
resposta.
POST https://compute.googleapis.com/compute/v1/projects/PROJECT_ID/regions/REGION/instanceGroupManagers/INSTANCE_GROUP_NAME/listManagedInstances
Confira a seguir um exemplo de saída. Procure o campo
propertiesFromFlexibilityPolicy em que o campo machineType de
uma VM está definido.
[[["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 2025-09-04 UTC."],[[["\u003cp\u003eThis document provides instructions on how to view the instance flexibility configuration of a managed instance group (MIG).\u003c/p\u003e\n"],["\u003cp\u003eYou can verify if instance flexibility has been applied to a MIG or if it already has it configured.\u003c/p\u003e\n"],["\u003cp\u003eThe content explains how to check the machine types used by each virtual machine (VM) within a MIG, ensuring desired machine types are not in use, or to review all the used ones.\u003c/p\u003e\n"],["\u003cp\u003eInstructions are available for using the Google Cloud Console, gcloud command-line tool, and REST API to access this information.\u003c/p\u003e\n"]]],[],null,["# View instance flexibility\n\n*** ** * ** ***\n\nThis document describes how to view the instance flexibility configuration in a\nmanaged instance group (MIG) and the machine types used by each VM in the group.\n\nAfter you add or make changes to instance flexibility in a MIG, you can do the\nfollowing:\n\n- [View the instance flexibility configuration](#view_the_instance_flexibility_configuration)\n to verify if a configuration has been applied or to check if a MIG already has\n instance flexibility.\n\n- [View the machine types used by each VM](#view_the_machine_types_used_by_each_vm)\n to make sure that the machine type that you want to remove from an instance\n selection is not used by any VM or to check the different machine types used\n in the MIG.\n\nBefore you begin\n----------------\n\n- If you haven't already, set up [authentication](/compute/docs/authentication). Authentication verifies your identity for access to Google Cloud services and APIs. To run code or samples from a local development environment, you can authenticate to Compute Engine by selecting one of the following options:\n\n Select the tab for how you plan to use the samples on this page: \n\n ### Console\n\n\n When you use the Google Cloud console to access Google Cloud services and\n APIs, you don't need to set up authentication.\n\n ### gcloud\n\n 1.\n [Install](/sdk/docs/install) the Google Cloud CLI.\n\n After installation,\n [initialize](/sdk/docs/initializing) the Google Cloud CLI by running the following command:\n\n ```bash\n gcloud init\n ```\n\n\n If you're using an external identity provider (IdP), you must first\n [sign in to the gcloud CLI with your federated identity](/iam/docs/workforce-log-in-gcloud).\n | **Note:** If you installed the gcloud CLI previously, make sure you have the latest version by running `gcloud components update`.\n 2. [Set a default region and zone](/compute/docs/gcloud-compute#set_default_zone_and_region_in_your_local_client).\n\n ### REST\n\n\n To use the REST API samples on this page in a local development environment, you use the\n credentials you provide to the gcloud CLI.\n 1. [Install](/sdk/docs/install) the Google Cloud CLI. After installation, [initialize](/sdk/docs/initializing) the Google Cloud CLI by running the following command: \n\n ```bash\n gcloud init\n ```\n 2. If you're using an external identity provider (IdP), you must first [sign in to the gcloud CLI with your federated identity](/iam/docs/workforce-log-in-gcloud).\n\n\n For more information, see\n [Authenticate for using REST](/docs/authentication/rest)\n in the Google Cloud authentication documentation.\n\nView the instance flexibility configuration\n-------------------------------------------\n\n### Console\n\n1. In the Google Cloud console, go to the **Instance groups** page.\n\n [Go to Instance groups](https://console.cloud.google.com/compute/instanceGroups)\n\n \u003cbr /\u003e\n\n2. In the **Name** column, click the name of the MIG of which you want to\n view the instance flexibility configuration.\n\n The overview page of the MIG opens.\n3. Click the **Details** tab.\n\n In the **Instance flexibility** section, the **Instance selections**\n table shows the instance selection name, rank, and the machine types in\n a selection. If the MIG doesn't have instance flexibility configured, the\n **Instance flexibility** section is not shown.\n\n### gcloud\n\nTo view the instance flexibility configuration, use the\n[`instance-groups managed describe` command](/sdk/gcloud/reference/compute/instance-groups/managed/describe).\nInclude the `--format` flag to filter the\n`instanceFlexibilityPolicy.instanceSelections` properties. \n\n```\n gcloud compute instance-groups managed describe INSTANCE_GROUP_NAME \\\n --region REGION \\\n --format=\"json(instanceFlexibilityPolicy.instanceSelections)\"\n```\n\nThe following is a sample output: \n\n```\n{\n \"instanceFlexibilityPolicy\": {\n \"instanceSelections\": {\n \"instance-selection-1\": {\n \"machineTypes\": [\n \"n1-standard-16\",\n \"n2-standard-16\",\n \"e2-standard-16\"\n ],\n \"rank\": 1\n }\n }\n }\n}\n```\n\nIf a MIG doesn't have instance flexibility configured, the output returns\n`null`.\n\nReplace the following:\n\n- \u003cvar translate=\"no\"\u003eINSTANCE_GROUP_NAME\u003c/var\u003e: the name of the MIG of which you want to view the instance flexibility configuration.\n- \u003cvar translate=\"no\"\u003eREGION\u003c/var\u003e: the region where the MIG is located.\n\n### REST\n\nTo view the instance flexibility configuration, use the\n[`regionInstanceGroupManagers.get` method](/compute/docs/reference/rest/v1/regionInstanceGroupManagers/get).\nInclude the `fields` parameter in the request URL to filter the\n`instanceFlexibilityPolicy.instanceSelections` properties. \n\n```\n GET https://compute.googleapis.com/compute/v1/projects/PROJECT_ID/regions/REGION/instanceGroupManagers/INSTANCE_GROUP_NAME?fields=instanceFlexibilityPolicy.instanceSelections\n```\n\nThe following is a sample output: \n\n```\n{\n \"instanceFlexibilityPolicy\": {\n \"instanceSelections\": {\n \"instance-selection-1\": {\n \"machineTypes\": [\n \"n1-standard-16\",\n \"n2-standard-16\",\n \"e2-standard-16\"\n ],\n \"rank\": 1\n }\n }\n }\n}\n```\n\nIf a MIG doesn't have instance flexibility configured, the output returns\n`null`.\n\nReplace the following:\n\n- \u003cvar translate=\"no\"\u003ePROJECT_ID\u003c/var\u003e: your [project ID](/resource-manager/docs/creating-managing-projects#identifying_projects).\n- \u003cvar translate=\"no\"\u003eREGION\u003c/var\u003e: the region where the MIG is located.\n- \u003cvar translate=\"no\"\u003eINSTANCE_GROUP_NAME\u003c/var\u003e: the name of the MIG of which you want to view the instance flexibility configuration.\n\nView the machine types used by each VM\n--------------------------------------\n\n### Console\n\n1. In the Google Cloud console, go to the **Instance groups** page.\n\n [Go to Instance groups](https://console.cloud.google.com/compute/instanceGroups)\n\n \u003cbr /\u003e\n\n2. In the **Name** column, click the name of the MIG in which you want view\n the machine types used by each VM.\n\n The **Overview** page of the MIG opens, which lists all VMs in the group,\n their machine types, and other details.\n\n### gcloud\n\nTo view the machine types used by each VM in a MIG, list the VMs using the\n[`instance-groups managed list-instances` command](/sdk/gcloud/reference/compute/instance-groups/managed/list-instances) and include the `--format` flag to filter the\n`propertiesFromFlexibilityPolicy.machineType` field. You can also filter\nother fields as needed. \n\n```\n gcloud compute instance-groups managed list-instances INSTANCE_GROUP_NAME \\\n --region REGION \\\n --format='(name,instanceStatus,currentAction,propertiesFromFlexibilityPolicy.machineType,lastAttempt.errors.errors)'\n```\n\nThe following is a sample output: \n\n```\nNAME: example-mig-0md2\nSTATUS: RUNNING\nACTION: NONE\nMACHINE_TYPE: n1-standard-16\nLAST_ERROR:\n\nNAME: example-mig-vbgg\nSTATUS: RUNNING\nACTION: NONE\nMACHINE_TYPE: n1-standard-16\nLAST_ERROR:\n```\n\nReplace the following:\n\n- \u003cvar translate=\"no\"\u003eREGION\u003c/var\u003e: the region where the MIG is located.\n- \u003cvar translate=\"no\"\u003eINSTANCE_GROUP_NAME\u003c/var\u003e: the name of the MIG of which you want to view the instance flexibility configuration.\n\n### REST\n\nTo view the machine types used by each VM in a MIG, list the VMs using the\n[`listManagedInstances` method](/compute/docs/reference/rest/v1/regionInstanceGroupManagers/listManagedInstances)\nand check the `propertiesFromFlexibilityPolicy.machineType` field in the\nresponse. \n\n```\n POST https://compute.googleapis.com/compute/v1/projects/PROJECT_ID/regions/REGION/instanceGroupManagers/INSTANCE_GROUP_NAME/listManagedInstances\n```\n\nThe following is a sample output; look for the\n`propertiesFromFlexibilityPolicy` field in which the `machineType` field of\na VM is set. \n\n```\n{\n \"managedInstances\": [\n {\n \"instance\": \"https://www.googleapis.com/compute/v1/projects/example-project/zones/us-central1-b/instances/example-mig-0md2\",\n \"instanceStatus\": \"RUNNING\",\n \"id\": \"2656095434923471959\",\n \"version\": {\n \"instanceTemplate\": \"https://www.googleapis.com/compute/v1/projects/example-project/global/instanceTemplates/example-instance-template\"\n },\n \"targetStatus\": \"RUNNING\",\n \"name\": \"example-mig-0md2\",\n \"propertiesFromFlexibilityPolicy\": {\n \"machineType\": \"n1-standard-16\"\n }\n },\n {\n \"instance\": \"https://www.googleapis.com/compute/v1/projects/example-project/zones/us-central1-b/instances/example-mig-vbgg\",\n \"instanceStatus\": \"RUNNING\",\n \"currentAction\": \"NONE\",\n \"id\": \"9171259522409694366\",\n \"version\": {\n \"instanceTemplate\": \"https://www.googleapis.com/compute/v1/projects/example-project/global/instanceTemplates/example-instance-template\"\n },\n \"targetStatus\": \"RUNNING\",\n \"name\": \"example-mig-vbgg\",\n \"propertiesFromFlexibilityPolicy\": {\n \"machineType\": \"n1-standard-16\"\n }\n }\n ]\n}\n```\n\nReplace the following:\n\n- \u003cvar translate=\"no\"\u003ePROJECT_ID\u003c/var\u003e: your [project ID](/resource-manager/docs/creating-managing-projects#identifying_projects).\n- \u003cvar translate=\"no\"\u003eREGION\u003c/var\u003e: the region where the MIG is located.\n- \u003cvar translate=\"no\"\u003eINSTANCE_GROUP_NAME\u003c/var\u003e: the name of the MIG of which you want to view the instance flexibility configuration.\n\nWhat's next\n-----------\n\n- [Change or remove instance flexibility configuration](/compute/docs/instance-groups/change-or-remove-instance-flexibility-configuration).\n\n- If your MIG doesn't have instance flexibility, [add instance flexibility](/compute/docs/instance-groups/configure-instance-flexibility)."]]