![]() HIDER 2 VAULT ONLY CREATED ON LOCAK DISK CODEThe demonstration code will deploy a dedicated project (pictured left) to house the Vault cluster in its own GKE Cluster and expose the TLS-protected Vault endpoint URL behind a Regional Load Balancer. These examples demonstrate the most common usage patterns of Vault from pods within another Kubernetes cluster. The walkthrough covers creating and storing secrets in Vault, using Kubernetes authentication from within a pod to login to Vault, and fetching short-lived Google Service Account credentials on-demand from Vault within a pod. The second cluster holds the applications that will fetch and use secrets from the Vault cluster. One cluster is dedicated to running Vault and is built using Seth Vargo's Vault-on-GKE Terraform repository. This demo deploys two private Kubernetes Engine Clusters into separate GCP projects. Seth's repository stands up a separate, highly-availabile GKE cluster running the Vault cluster components with Google Cloud Storage for a highly durable secrets storage backend. Should those secrets ever become compromised, the process of revoking, auditing, and rotating the secrets is simple since they are centrally controlled and managed with Vault.īuilding and running a highly-available Vault cluster on a dedicated GKE cluster is outside the scope of this demo, so this codebase leverages Seth Vargo's Vault-on-GKE repository as a Terraform module. They should be stored in a central secrets management system such as Vault and fetched at runtime only by the application or process that needs them. As a best practice, secrets should not kept alongside the application in the same YAML manifests. The secret data is statically defined, difficult to change, difficult to control access to, and difficult to keep off developer filesystems and CI/CD systems. ![]() However, storing secret data in YAML files checked into source control is not a recommended approach for several security reasons. Many new users to Kubernetes leverage the built-in secrets object to store sensitive data used by their application pods. For example, Vault supports authenticating application pods via the Kubernetes Service Account, audit logging of clients accessing/using secrets, automatic credential expiration, credential rotation, and more. ![]() In addition, Vault offers unique capabilities for centrally managing secrets used by application pods inside a Google Kubernetes Engine cluster. Hashicorp Vault secures, stores, and tightly controls access to tokens, passwords, certificates, API keys, and other secrets. Configure Dynamic GCP Service Account Credentials.Configure an Auto-Init Example Application.Configure Kubernetes Pod Authentication to Vault.Configure Static Key-Value Secrets in Vault. HIDER 2 VAULT ONLY CREATED ON LOCAK DISK FREESignup for a free Google Cloud account Table of Contents ![]()
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