From 976c32ce5b45edbad8f1aaa6d824f3dfe8595511 Mon Sep 17 00:00:00 2001
From: technofab <admin@technofab.de>
Date: Fri, 26 Apr 2024 20:44:44 +0200
Subject: [PATCH] chore(nix-kubernetes): mount tmpfs on /tmp

---
 nix-kubernetes/kubernetes.nix | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/nix-kubernetes/kubernetes.nix b/nix-kubernetes/kubernetes.nix
index 22170a7..79ae7cc 100644
--- a/nix-kubernetes/kubernetes.nix
+++ b/nix-kubernetes/kubernetes.nix
@@ -29,6 +29,21 @@
             };
           };
         };
+        init_container = [
+          {
+            name = "copy-nix-store";
+            image = "registry.gitlab.com/technofab/coder-templates/nix-coder-image:\${data.coder_parameter.image_tag.value}";
+            command = ["cp" "-nR" "/nix/." "/pv_nix"];
+            security_context.run_as_user = "1000";
+            volume_mount = [
+              {
+                mount_path = "/pv_nix";
+                name = "nix-store";
+                read_only = false;
+              }
+            ];
+          }
+        ];
         container = [
           {
             name = "workspace";
@@ -63,6 +78,11 @@
                 name = "nix-store";
                 read_only = false;
               }
+              {
+                mount_path = "/tmp";
+                name = "tmp";
+                read_only = false;
+              }
             ];
           }
         ];
@@ -79,6 +99,14 @@
             name = "nix-store";
             persistent_volume_claim.claim_name = "\${resource.kubernetes_persistent_volume_claim.nix-store.metadata.0.name}";
           }
+          {
+            name = "tmp";
+            empty_dir = {
+              medium = "Memory";
+              # not used for now
+              # sizeLimit = "200Mi";
+            };
+          }
         ];
       };
     };