✨ cert-manager integration

[mfreeman451]

Summary by CodeRabbit

• New Features

  • Introduced a new Certificate resource for certificate management.
  • Added a ConfigMap to hold the CA certificate.
  • Created a ClusterIssuer to issue certificates across the cluster.
  • Enhanced the spire-server configuration to use cert-manager as an upstream authority.
  • Added a new volume for certificate management in the spire-server StatefulSet.

• Role and Permissions

  • Defined new roles and role bindings for managing certificates and ConfigMaps.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

This pull request introduces a comprehensive certificate management configuration for the SPIRE server using cert-manager in Kubernetes. The changes include creating a Certificate Authority (CA) certificate, defining a ClusterIssuer, updating RBAC permissions, and configuring the SPIRE server to use cert-manager as its upstream authority. The implementation adds new resources like ConfigMaps, Certificates, Roles, and RoleBindings to enable secure certificate handling across the cluster.

Changes

File	Change Summary
k8s/spire/base/cert-certificate.yaml	Added Certificate, ConfigMap, Role, and RoleBinding for certificate management
k8s/spire/base/cert-configmap.yaml	Created ConfigMap to hold CA certificate
k8s/spire/base/cluster-issuer.yaml	Added ClusterIssuer for cluster-wide certificate issuance
k8s/spire/base/kustomization.yaml	Updated to include new cluster-issuer.yaml
k8s/spire/base/server-cluster-role.yaml	Updated RBAC roles and bindings for cert-manager interactions
k8s/spire/base/server-configmap.yaml	Added UpstreamAuthority plugin configuration for cert-manager
k8s/spire/base/server-statefulset.yaml	Added volume and mount for CA certificate

Possibly related issues

• Server plugin: UpstreamAuthority "cert-manager" #96: This issue directly relates to implementing the Server plugin for UpstreamAuthority "cert-manager", which aligns perfectly with the changes in this PR.

Possibly related PRs

• Updates/use gofr oauth #40: Modifies oathkeeper-rules-data ConfigMap, potentially intersecting with authentication and certificate management
• sync #44: Also updates oathkeeper-rules-data ConfigMap with a new rule, which may be contextually related to the certificate management approach

Poem

🐰 Certificates dance with grace,
In Kubernetes' secure embrace,
SPIRE and cert-manager entwine,
A cryptographic design divine,
Trust flows like a rabbit's leap! 🔐

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📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between f234a6d and f47128d.

📒 Files selected for processing (7)

• k8s/spire/base/cert-certificate.yaml (1 hunks)
• k8s/spire/base/cert-configmap.yaml (1 hunks)
• k8s/spire/base/cluster-issuer.yaml (1 hunks)
• k8s/spire/base/kustomization.yaml (1 hunks)
• k8s/spire/base/server-cluster-role.yaml (2 hunks)
• k8s/spire/base/server-configmap.yaml (1 hunks)
• k8s/spire/base/server-statefulset.yaml (2 hunks)

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