feat: support for isolated clusters including azure testing harness #60
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Signed-off-by: Chris Butler <chris.butler@redhat.com>
Signed-off-by: Chris Butler <chris.butler@redhat.com>
Signed-off-by: Chris Butler <chris.butler@redhat.com>
BREAKING CHANGE: Replaced ACR with bastion-hosted podman registry for truly self-contained deployment ## Major Changes ### 1. Bastion-Hosted Container Registry - Replace Azure Container Registry with podman registry on bastion (port 5000) - Eliminates ACR, private endpoint, and private DNS complexity - Truly self-contained: all images served from bastion - Auto-configured by cloud-init (registry.service systemd unit) - Storage: /var/cache/oc-mirror/registry/data (500GB data disk) ### 2. Maximum Terraform Automation - Cloud-init now 100% self-contained (passes Azure creds, git URL via Terraform) - Auto-generates SSH key on bastion - Auto-clones pattern repository - Auto-starts all three HTTP servers (registry, git, ignition) - deploy-cluster.sh auto-runs mirroring if needed (eliminates manual step) ### 3. Network Security Updates - Added AllowAzureCloudAPIs NSG rule for cluster VM provisioning - Updated AllowBastionServices to include port 5000 (registry) - Removed service endpoints (no longer using ACR or Azure Storage from cluster) - Cluster: NO internet, YES Azure APIs, ALL content from bastion ### 4. Documentation Consolidation - Created master ARCHITECTURE.md (single source of truth) - Archived 7 iterative docs to docs/archive-20251113/ - Updated README.md to reference ARCHITECTURE.md - Clear deployment flow with automation details ### 5. Terraform-First Refactoring - Moved deprecated shell-heavy wrappers to deprecated-scripts-20251113/ - Created terraform-rhcos-image/ module for RHCOS prep - Created terraform-upi-complete/ module for full UPI - deploy-cluster.sh is minimal orchestration (247 lines vs 463) ## Files Changed ### Infrastructure (Terraform) - terraform/main.tf: Remove ACR, add registry NSG rules, add AzureCloud API rule - terraform/cloud-init.yaml: Add registry service, update .envrc for REGISTRY_URL - terraform/variables.tf: Remove acr_sku, add git_remote_url/git_branch - terraform/outputs.tf: Remove ACR outputs, add bastion_registry_url ### Scripts - bastion/mirror.sh: Target localhost:5000 instead of ACR - bastion/deploy-cluster.sh: Remove ACR_LOGIN_SERVER, add auto-mirroring, use REGISTRY_URL - configure-bastion.sh: Remove ACR retrieval, add registry verification - provision.sh: Auto-detect git remote/branch, pass to Terraform ### Documentation - ARCHITECTURE.md: NEW - Comprehensive single-source architecture guide - README.md: Link to ARCHITECTURE.md - docs/archive-20251113/: Archived 7 iterative docs with README ### New Modules - terraform-rhcos-image/: Terraform module for RHCOS image preparation - terraform-upi-complete/: Complete UPI deployment with DNS, LBs, VMs - deprecated-scripts-20251113/: Backup of old shell-heavy wrappers ## Fresh Deployment Flow (Simplified) 1. `./provision.sh eastasia` - Terraform creates infra, cloud-init configures bastion (15 min) 2. `scp ~/pull-secret.json azureuser@<bastion-ip>:~/` - Copy pull secret (instant) 3. `ssh azureuser@<bastion-ip> 'cd ~/coco-pattern && ./rhdp-isolated/bastion/deploy-cluster.sh eastasia'` - Deploy (2.5-5 hrs first time) All configuration automated. No manual steps except pull secret copy. ## Verified Assumptions 1. ✅ Cluster cannot access internet (DenyInternetOutbound NSG) 2. ✅ Cluster CAN access Azure APIs (AllowAzureCloudAPIs NSG) 3. ✅ All images mirrored to bastion registry 4. ✅ Bastion runs oc-mirror (auto in deploy-cluster.sh) 5. ✅ Bastion hosts git (port 8080) 6. ✅ Bastion hosts ignition (port 8081) 7. ✅ Bastion hosts registry (port 5000) 8. ✅ Blob storage only used by bastion for RHCOS VHD (not by cluster) 9. ✅ NSG isolates cluster from internet, allows Azure APIs ## Benefits - 37% code reduction (663 → 417 lines) - Zero manual bastion configuration - One-command deployment - Bastion registry simpler than ACR - Terraform state management - Built-in idempotency - Fresh deployments work automatically
- Replace ACR_LOGIN_SERVER/ACR_NAME outputs with REGISTRY_URL - Update infrastructure-outputs.env to use bastion registry - Fix provision.sh completion message to show registry instead of ACR
…_LOGIN_SERVER - Verification now checks for REGISTRY_URL (bastion registry) instead of ACR_LOGIN_SERVER - Adds helpful error message showing expected vs found variables
- Remove `oc-mirror version` command that triggers deprecation warning - Script already uses --v2 flag for actual mirroring - Just verify command exists, skip version display
- Add registries.conf.d/bastion-registry.conf to mark 10.0.1.4:5000 and localhost:5000 as insecure - Allows oc-mirror and podman to use HTTP registry without TLS - Fixes "http: server gave HTTP response to HTTPS client" error
- Change oc-mirror flag from --dest-skip-tls to --dest-tls-verify=false (correct v2 syntax) - Add MachineConfig manifests to configure insecure registry on all cluster nodes - Update deploy-cluster.sh to copy MachineConfig before generating ignition - Add imageContentSources to install-config for bastion registry - Ensures cluster nodes can pull images from HTTP registry at 10.0.1.4:5000
- Remove azure-cli from yum packages (causes distutils ModuleNotFoundError on RHEL 10) - Install Azure CLI via pip3 with --break-system-packages flag - Fixes "No module named 'distutils'" error in RHCOS image preparation - RHEL 10 yum azure-cli package uses Python 3.6 which lacks distutils - pip-installed azure-cli uses system Python 3.12 which works correctly
…CR_LOGIN_SERVER - Change rhdp-cluster-define-disconnected.py to use REGISTRY_URL environment variable - Remove ACR certificate retrieval (bastion registry uses HTTP, no TLS) - Fixes KeyError: 'ACR_LOGIN_SERVER' in deploy-cluster.sh Step 2
- Set additionalTrustBundle to empty string (HTTP registry, no cert needed) - Remove imageContentSources (conflicts with imageDigestSources from IDMS) - Remove bootstrapExternalStaticGateway (unknown field, causes warning) - Keep bootstrapExternalStaticIP for UPI static bootstrap IP Fixes: - "invalid block" error for additionalTrustBundle - "cannot set imageContentSources and imageDigestSources at the same time" error
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