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[run-vm] handle edgecase for prometheus mmaped file on 9p share

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kalipso
2025-01-20 15:43:34 +01:00
parent 155e78b519
commit c71d7959f2
1 changed files with 7 additions and 4 deletions
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11
outputs.nix
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@@ -15,7 +15,7 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
pkgs-unstable = nixpkgs-unstable.legacyPackages."${system}";
pkgs = nixpkgs.legacyPackages."${system}";
vmMicroVMOverwrites = options: {
vmMicroVMOverwrites = hostname: options: {
microvm = {
mem = pkgs.lib.mkForce 4096;
hypervisor = pkgs.lib.mkForce "qemu";
@@ -43,9 +43,12 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
fileSystems = {
"/".fsType = pkgs.lib.mkForce "tmpfs";
"/var/lib" = pkgs.lib.mkIf (options.varPath != "") {
depends = [ "/var" ];
};
# prometheus uses a memory mapped file which doesnt seem supported by 9p shares
# therefore we mount a tmpfs inside the datadir
"/var/lib/prometheus2/data" = pkgs.lib.mkIf (hostname == "overwatch" && options.varPath != "") (pkgs.lib.mkForce {
fsType = pkgs.lib.mkForce "tmpfs";
});
};
boot.isContainer = pkgs.lib.mkForce false;