Attempt to wait for network via netcat

1 files changed, 12 insertions, 1 deletions

diff --git a/host/Rory-ovh/services/containers/spacebar/root.nix b/host/Rory-ovh/services/containers/spacebar/root.nix

index e790b4b..75825d6 100644
--- a/host/Rory-ovh/services/containers/spacebar/root.nix
+++ b/host/Rory-ovh/services/containers/spacebar/root.nix
@@ -1,4 +1,4 @@
-{ ... }:
+{ pkgs, ... }:
 
 {
   networking.useHostResolvConf = true;
@@ -18,4 +18,15 @@
       3003
     ];
   };
+
+  # check that we can reach the database server before starting the service
+  systemd.services."spacebar-apply-migrations" =
+    let
+      address = "192.168.100.1";
+    in
+    {
+      serviceConfig = {
+        ExecStartPre = "${pkgs.coreutils}/bin/sh -c 'until ${pkgs.netcat}/bin/nc -z ${address} 5432; do echo \"Waiting for database server...\"; sleep 0.2; done'";
+      };
+    };
 }