33cb8ca769
- Write pg derivation path to .nix-postgres-version after init - On start, compare current pg path with stored version - If changed (extensions added/removed/version bumped), destroy and reinitialize the cluster automatically - Also reinit legacy clusters that have no version file - Exclude .nix-postgres-version from release builds
115 lines
2.9 KiB
Nix
115 lines
2.9 KiB
Nix
{
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lib,
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beamPackages,
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towerops-nif,
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net-snmp,
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writeShellScriptBin,
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git,
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cacert,
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}:
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beamPackages.mixRelease {
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pname = "towerops";
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version = "0.1.0";
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# Source files (filtered to exclude build artifacts)
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src = lib.cleanSourceWith {
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src = ../.;
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filter =
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path: type:
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let
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baseName = baseNameOf path;
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in
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# Exclude build artifacts and temp directories
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baseName != "_build"
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&& baseName != "deps"
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&& baseName != ".elixir_ls"
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&& baseName != ".elixir-tools"
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&& baseName != "node_modules"
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&& baseName != "cover"
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&& baseName != ".git"
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&& baseName != ".nix-postgres"
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&& baseName != ".nix-redis"
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&& baseName != ".nix-mix"
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&& baseName != ".nix-hex"
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&& baseName != ".worktrees"
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&& baseName != ".nix-services-started"
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&& baseName != ".nix-postgres-version";
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};
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# Mix environment
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mixEnv = "prod";
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# Environment variables for build
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MIX_OS_DEPS_COMPILE_PARTITION_COUNT = "6";
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# Need git and SSL certificates for fetching git dependencies
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nativeBuildInputs = [
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git
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cacert
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];
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# Override Mix phases to handle vendored deps properly
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configurePhase = ''
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runHook preConfigure
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# Set SSL certificate path for git operations
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export SSL_CERT_FILE="${cacert}/etc/ssl/certs/ca-bundle.crt"
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export GIT_SSL_CAINFO="${cacert}/etc/ssl/certs/ca-bundle.crt"
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# Disable Hex offline mode to allow fetching dependencies
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export HEX_OFFLINE=false
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# Get all deps (including hex deps that vendored packages need)
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mix deps.get --only prod
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runHook postConfigure
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'';
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# Pre-build: Copy pre-built NIF and stub the Makefile to skip rebuild
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preBuild = ''
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# Copy pre-built NIF shared library
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mkdir -p priv
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cp ${towerops-nif}/lib/towerops_nif.so priv/
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# Stub the c_src/Makefile to prevent rebuild
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cat > c_src/Makefile << 'EOF'
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# Stubbed Makefile - NIF pre-built by Nix
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all:
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@echo "Using pre-built NIF from ${towerops-nif}"
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clean:
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@echo "NIF managed by Nix, nothing to clean"
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.PHONY: all clean
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EOF
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'';
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# Custom build phase to compile deps first, then app
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buildPhase = ''
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runHook preBuild
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# Compile dependencies (including custom compilers like phoenix_live_view)
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mix deps.compile
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# Compile application
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mix compile
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runHook postBuild
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'';
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# Build assets after Mix compilation
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postBuild = ''
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# Build production assets (Tailwind + esbuild)
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mix assets.deploy
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'';
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# MIB files and NIF are automatically included by Mix release
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# Mix includes everything in priv/ directory when building the release
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# No postInstall needed - NIF was copied to priv/ in preBuild
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# and MIB files are already in priv/mibs/ from source
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meta = {
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description = "Towerops - Phoenix LiveView SNMP monitoring platform";
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license = lib.licenses.unfree;
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platforms = lib.platforms.unix;
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};
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}
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