vault-operations

Dynamic credential rotation with Vault automatically generates short-lived credentials for databases, cloud providers, and services, eliminating long-lived keys. Configure secrets engines (database, AWS, Azure, GCP) and policies to enable automatic credential generation and expiration based on TTL settings.

KV engines store static key-value pairs. Database engines generate dynamic credentials for PostgreSQL, MySQL, MongoDB, and others. Cloud engines (AWS, Azure, GCP) create temporary credentials for cloud resources. Choose based on whether secrets are static or need dynamic rotation.

Define policies using HCL syntax to grant path-level permissions to users and services. Enable audit logging to track all API interactions and policy changes. Combine policies with authentication methods to enforce least-privilege access and compliance requirements.

Yes, Vault integrates with Terraform via the Vault provider to dynamically provision secrets, authenticate services, and manage credentials as infrastructure-as-code. Use Vault Agent sidecars to inject secrets into applications without embedding credentials in Terraform state.

Vault supports AppRole, AWS IAM, Azure MSI, GCP service accounts, Kubernetes, LDAP, and JWT authentication. Multi-cloud deployments can authenticate services using their native cloud identities, eliminating credential distribution and enabling consistent access policies.

Set up Vault clusters with multiple nodes, enable encryption at transit and rest, configure storage backends (Consul, integrated storage), and implement disaster recovery replication. Multi-cloud deployments benefit from geographic redundancy and automated failover.