centra
3eeb303dcb
Includes all pending changes needed for nixos-anywhere: - fiberlb: L7 policy, rule, certificate types - deployer: New service for cluster management - nix-nos: Generic network modules - Various service updates and fixes 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
65 lines
2.1 KiB
Nix
65 lines
2.1 KiB
Nix
# Standalone cluster-config.json generator
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# Usage: nix-build cluster-config-generator.nix --argstr hostname node01 --argstr clusterName plasmacloud
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{ pkgs ? import <nixpkgs> {}
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, hostname ? "node01"
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, clusterName ? "plasmacloud"
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, topologyFile ? ./example-topology.nix
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}:
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let
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# Import topology module
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lib = pkgs.lib;
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# Evaluate the topology file
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topologyEval = import topologyFile { inherit lib; };
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# Get the cluster configuration
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cluster = topologyEval.nix-nos.clusters.${clusterName} or (throw "Cluster ${clusterName} not found");
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node = cluster.nodes.${hostname} or (throw "Node ${hostname} not found in cluster ${clusterName}");
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# Determine bootstrap node
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controlPlaneNodes = lib.filter (n: cluster.nodes.${n}.role == "control-plane") (lib.attrNames cluster.nodes);
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bootstrapNodeName =
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if cluster.bootstrapNode != null
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then cluster.bootstrapNode
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else lib.head controlPlaneNodes;
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isBootstrap = hostname == bootstrapNodeName;
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# Leader URL (bootstrap node's API endpoint)
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bootstrapNode = cluster.nodes.${bootstrapNodeName};
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leaderUrl = "https://${bootstrapNode.ip}:${toString bootstrapNode.apiPort}";
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# Initial peers for Raft cluster
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initialPeers = map (nodeName: {
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id = nodeName;
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addr = "${cluster.nodes.${nodeName}.ip}:${toString cluster.nodes.${nodeName}.raftPort}";
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}) controlPlaneNodes;
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# FlareDB peers (all control-plane nodes)
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flaredbPeers = map (nodeName:
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"${cluster.nodes.${nodeName}.ip}:${toString (cluster.nodes.${nodeName}.apiPort + 100)}"
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) controlPlaneNodes;
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# Generate cluster config
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clusterConfig = {
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node_id = hostname;
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node_role = node.role;
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bootstrap = isBootstrap;
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cluster_name = cluster.name;
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leader_url = leaderUrl;
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raft_addr = "${node.ip}:${toString node.raftPort}";
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initial_peers = initialPeers;
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flaredb_peers = flaredbPeers;
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services = node.services;
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metadata = node.metadata;
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};
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# Convert to JSON
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configJson = builtins.toJSON clusterConfig;
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in pkgs.writeTextFile {
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name = "cluster-config-${hostname}.json";
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text = configJson;
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destination = "/cluster-config.json";
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}
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