description Cloud Custodian Overview
Cloud Custodian is a powerful open-source monitoring and alerting platform that provides comprehensive visibility into your Azure infrastructure, regardless of how it was deployed. It excels at automating remediation tasks based on predefined rules, reducing downtime and improving operational efficiency. Its flexible query language allows for granular control over monitored resources.
help Cloud Custodian FAQ
Is Cloud Custodian an Azure Monitor replacement?
No. Cloud Custodian is an open-source policy engine for managing and enforcing rules across cloud resources, including Azure, AWS, and Google Cloud. Azure Monitor is Microsoft’s monitoring service, while Custodian focuses on policy filters and actions.
What can Cloud Custodian do in Azure?
Its Azure provider can query resources, apply filters, and perform actions such as tagging or remediation. Policies are written in YAML and can run through Azure Functions, containers, or scheduled execution modes.
How does Cloud Custodian authenticate to Azure?
The Azure provider can use Azure CLI credentials, a service principal, managed identity, or raw tokens. A common service-principal setup uses AZURE_TENANT_ID, AZURE_SUBSCRIPTION_ID, AZURE_CLIENT_ID, and AZURE_CLIENT_SECRET.
Can Cloud Custodian send metrics to Application Insights?
Yes. Its Azure monitoring configuration can send logs and metrics to Azure Application Insights. Documented metrics include ResourceCount, ResourceTime, and ActionTime, depending on the execution mode.
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