d0b39f1987
- Add RBAC module (modules/kubernetes/rbac/) with admin, power-user, and namespace-owner roles, API server OIDC flags, and audit logging - Add self-service portal (modules/kubernetes/k8s-portal/) SvelteKit app with kubeconfig download and setup instructions - Configure Alloy to collect audit logs from kube-apiserver - Add Grafana dashboard for Kubernetes audit log visualization - Configure Authentik OIDC provider with groups scope mapping - Wire up k8s_users and ssh_private_key variables through module chain
55 lines
1.8 KiB
HCL
55 lines
1.8 KiB
HCL
# Configure kube-apiserver for OIDC authentication
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# This SSHs to k8s-master and adds OIDC flags to the static pod manifest.
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# Kubelet auto-restarts the API server when the manifest changes.
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variable "k8s_master_host" {
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type = string
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default = "10.0.20.100"
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}
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variable "ssh_private_key" {
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type = string
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sensitive = true
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}
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variable "oidc_issuer_url" {
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type = string
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default = "https://authentik.viktorbarzin.me/application/o/kubernetes/"
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}
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variable "oidc_client_id" {
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type = string
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default = "kubernetes"
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}
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resource "null_resource" "apiserver_oidc_config" {
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connection {
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type = "ssh"
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user = "wizard"
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host = var.k8s_master_host
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private_key = var.ssh_private_key
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}
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provisioner "remote-exec" {
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inline = [
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# Check if OIDC flags already present
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"if grep -q 'oidc-issuer-url' /etc/kubernetes/manifests/kube-apiserver.yaml; then echo 'OIDC flags already configured'; exit 0; fi",
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# Backup the manifest
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"sudo cp /etc/kubernetes/manifests/kube-apiserver.yaml /etc/kubernetes/manifests/kube-apiserver.yaml.bak",
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# Add OIDC flags after the last --tls-private-key-file flag (safe insertion point)
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"sudo sed -i '/- --tls-private-key-file/a\\ - --oidc-issuer-url=${var.oidc_issuer_url}\\n - --oidc-client-id=${var.oidc_client_id}\\n - --oidc-username-claim=email\\n - --oidc-groups-claim=groups' /etc/kubernetes/manifests/kube-apiserver.yaml",
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# Wait for API server to restart (kubelet watches the manifest)
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"echo 'Waiting for API server to restart...'",
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"sleep 30",
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"sudo kubectl --kubeconfig=/etc/kubernetes/admin.conf get nodes || echo 'API server still restarting, check manually'",
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]
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}
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triggers = {
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oidc_issuer_url = var.oidc_issuer_url
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oidc_client_id = var.oidc_client_id
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}
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}
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