Enable minimal swapping for all systems

Signed-off-by: Benoit Donneaux <benoit@leastauthority.com>

morph/grid/hro-cloud/storage001-hardware.nix

@@ -12,6 +12,7 @@
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
+  boot.kernel.sysctl = { "vm.swappiness" = 1; };
 
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/d0837e6f-72cb-4ffa-85ba-fd57bbbd9a97";

morph/grid/hro-cloud/storage002-hardware.nix

@@ -12,7 +12,7 @@
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
-  boot.kernel.sysctl = { "vm.swappiness" = 0; };
+  boot.kernel.sysctl = { "vm.swappiness" = 1; };
 
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/c8d29070-c5d3-4cfb-9bb2-c14d3727c45b";

morph/grid/hro-cloud/storage003-hardware.nix

@@ -12,6 +12,7 @@
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
+  boot.kernel.sysctl = { "vm.swappiness" = 1; };
 
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/8f88c0f1-3aef-41ec-bfd7-55b4ba6c1341";

morph/grid/testing/testing001-hardware.nix

 {
+  boot.kernel.sysctl = { "vm.swappiness" = 1; };
   boot.supportedFilesystems = [ "zfs" ];
   networking.hostId = "10000000";
 

morph/lib/hardware-vagrant.nix

@@ -20,7 +20,7 @@
     boot.loader.grub.device = "/dev/vda";
 
     boot.initrd.availableKernelModules = [ "ata_piix" "virtio_pci" "virtio_blk" "sd_mod" "sr_mod" ];
-    boot.kernel.sysctl = { "vm.swappiness" = 0; };
+    boot.kernel.sysctl = { "vm.swappiness" = 1; };
     boot.kernelParams = [ "console=tty0" "console=ttyS0,115200" ];
 
     # remove the fsck that runs at startup. It will always fail to run, stopping

morph/lib/issuer-monitoring-ovh.nix

@@ -4,9 +4,9 @@
   boot.loader.grub.device = "/dev/sda";
   boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" ];
   boot.initrd.kernelModules = [ "nvme" ];
-  fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
-  
+  boot.kernel.sysctl = { "vm.swappiness" = 1; };
 
+  fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
 
   swapDevices = [ {
     device = "/var/swapfile";

morph/lib/issuer-payments-ovh.nix

@@ -2,6 +2,8 @@
 
   imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
   boot.loader.grub.device = "/dev/sda";
+  boot.kernel.sysctl = { "vm.swappiness" = 1; };
+
   fileSystems."/" = { device = "/dev/sda3"; fsType = "ext4"; };
   
   swapDevices = [ {