{
  "id": "infra-stack/eks-cluster-terraform-module",
  "slug": "eks-cluster-terraform-module",
  "title": "Session: eks-cluster-terraform-module — 2026-08-11",
  "type": "source",
  "project": "infra-stack",
  "date": "2026-08-11",
  "started": "2026-08-11T10:00:00+00:00",
  "ended": "2026-08-11T13:12:00+00:00",
  "model": "glm-4.6",
  "cwd": "/home/dev/code/infra-stack",
  "git_branch": "feat/eks",
  "permission_mode": "default",
  "user_messages": 1,
  "tool_calls": 4,
  "tools_used": [
    "Bash",
    "Write"
  ],
  "is_subagent": false,
  "wikilinks_out": [
    "EKS",
    "IRSA",
    "Terraform",
    "infra-stack"
  ],
  "body_text": "Project: infra-stack · Branch: feat/eks · Mode: default · Model: glm-4.6\n\nSummary\n\nWrote a reusable Terraform module for an EKS cluster: private subnets, managed node groups with spot fallback, IRSA, and cluster add-ons pinned by version. terraform plan is clean in the staging workspace.\n\nConversation\n\nTurn 1 — User\n\nWe need an EKS module we can reuse for staging and prod.\n\nTurn 1 — Assistant\n\nModule inputs: VPC id, subnet ids, node group sizes, spot/on-demand mix. IRSA enabled, add-ons (vpc-cni, coredns, kube-proxy) pinned. Outputs the kubeconfig data and OIDC provider ARN.\n\nmodule \"eks\" {\n  source          = \"./modules/eks\"\n  cluster_name    = \"staging\"\n  cluster_version = \"1.33\"\n  subnet_ids      = module.vpc.private_subnets\n\n  node_groups = {\n    general = { instance_types = [\"m7i.large\"], min = 2, max = 6, capacity = \"ON_DEMAND\" }\n    batch   = { instance_types = [\"c7i.xlarge\", \"c6i.xlarge\"], min = 0, max = 10, capacity = \"SPOT\" }\n  }\n}\n\nTools used in this turn:\n\n- Write: modules/eks/main.tf\n- Write: modules/eks/variables.tf\n- Bash: terraform validate — Success\n- Bash: terraform plan -var-file=staging.tfvars — 42 to add\n\nConnections\n\n- infra-stack\n- Terraform\n- EKS\n- IRSA",
  "sha256": "0f4da472f59a2db5",
  "source_url": "sessions/infra-stack/2026-08-11-eks-cluster-terraform-module.html"
}