WIP single IP k3s deployments - DO NOT MERGE#1671
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Allow deploying Edge Orchestrator with a single IP address shared across ArgoCD (8443), Traefik (443), and HAProxy (9443) using MetalLB allow-shared-ip annotations. This enables deployment on environments with limited IP addresses such as Coder VMs. Changes: - post-orch-install.sh: accept ORCH_IP in non-interactive mode, add ArgoCD shared-IP annotations - pre-orch-install.sh: increase max-pods to 500, add node registration wait loop - onprem.env: add ORCH_IP variable and proxy documentation - cluster_onprem.tpl: add singleIpMode and haproxyPort values - generate_cluster_yaml.sh: correct Helm value paths for ArgoCD and HAProxy ports, export HAPROXY_PORT for envsubst - infra-onboarding.tpl: conditionally append haproxyPort to tinkerbell provisioning URLs - metallb-config.yaml: switch to upstream orch-utils chart (v26.1.0) with single-IP pool support - SINGLE-IP-POC.md: deployment instructions and documentation Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Description
Standard on-prem deployments require three IP addresses for MetalLB LoadBalancer services. This is impractical for Coder VMs and other constrained environments that only have a single IP. Single-IP mode removes this barrier by assigning each service a unique port on the shared IP.
Fixes # (issue)
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