From 8cf1b0c3e44f481abd7e07d0e793bd444a81fe52 Mon Sep 17 00:00:00 2001
From: Quentin Dufour <quentin@deuxfleurs.fr>
Date: Fri, 15 Apr 2022 12:36:49 +0200
Subject: [PATCH] Build image via Nix

---
 app/backup/build/backup-psql/.gitignore       |  1 +
 app/backup/build/backup-psql/README.md        |  8 ++++
 .../{do_backup.py => backup-psql.py}          |  0
 app/backup/build/backup-psql/common.nix       |  8 ++++
 app/backup/build/backup-psql/default.nix      | 39 +++++++++++++------
 app/backup/build/backup-psql/docker.nix       | 11 ++++++
 6 files changed, 56 insertions(+), 11 deletions(-)
 create mode 100644 app/backup/build/backup-psql/.gitignore
 create mode 100644 app/backup/build/backup-psql/README.md
 rename app/backup/build/backup-psql/{do_backup.py => backup-psql.py} (100%)
 create mode 100644 app/backup/build/backup-psql/common.nix
 create mode 100644 app/backup/build/backup-psql/docker.nix

diff --git a/app/backup/build/backup-psql/.gitignore b/app/backup/build/backup-psql/.gitignore
new file mode 100644
index 0000000..b2be92b
--- /dev/null
+++ b/app/backup/build/backup-psql/.gitignore
@@ -0,0 +1 @@
+result
diff --git a/app/backup/build/backup-psql/README.md b/app/backup/build/backup-psql/README.md
new file mode 100644
index 0000000..97929db
--- /dev/null
+++ b/app/backup/build/backup-psql/README.md
@@ -0,0 +1,8 @@
+## Build
+
+```bash
+docker load < $(nix-build docker.nix)
+docker push superboum/backup-psql:???
+```
+
+
diff --git a/app/backup/build/backup-psql/do_backup.py b/app/backup/build/backup-psql/backup-psql.py
similarity index 100%
rename from app/backup/build/backup-psql/do_backup.py
rename to app/backup/build/backup-psql/backup-psql.py
diff --git a/app/backup/build/backup-psql/common.nix b/app/backup/build/backup-psql/common.nix
new file mode 100644
index 0000000..639d9a1
--- /dev/null
+++ b/app/backup/build/backup-psql/common.nix
@@ -0,0 +1,8 @@
+{
+  pkgsSrc = fetchTarball {
+    # Latest commit on https://github.com/NixOS/nixpkgs/tree/nixos-21.11
+    # As of 2022-04-15
+    url ="https://github.com/NixOS/nixpkgs/archive/2f06b87f64bc06229e05045853e0876666e1b023.tar.gz";
+    sha256 = "sha256:1d7zg96xw4qsqh7c89pgha9wkq3rbi9as3k3d88jlxy2z0ns0cy2";
+  };
+}
diff --git a/app/backup/build/backup-psql/default.nix b/app/backup/build/backup-psql/default.nix
index 94dd4e1..1ded395 100644
--- a/app/backup/build/backup-psql/default.nix
+++ b/app/backup/build/backup-psql/default.nix
@@ -1,16 +1,33 @@
-{ pkgs ? import <nixpkgs> {} }:
 let
+  common = import ./common.nix;
+  pkgs = import common.pkgsSrc {};
   python-with-my-packages = pkgs.python3.withPackages (p: with p; [
     minio
   ]);
 in
-pkgs.mkShell {
-  buildInputs = [
-    python-with-my-packages
-    pkgs.age
-    pkgs.postgresql_14
-  ];
-  shellHook = ''
-    PYTHONPATH=${python-with-my-packages}/${python-with-my-packages.sitePackages}
-  '';
-}
+  pkgs.stdenv.mkDerivation {
+    name = "backup-psql";
+    src = pkgs.lib.sourceFilesBySuffices ./. [ ".py" ];
+
+    buildInputs = [
+      python-with-my-packages
+      pkgs.age
+      pkgs.postgresql_14
+    ];
+
+    buildPhase = ''
+      cat > backup-psql <<EOF
+        #!${pkgs.bash}/bin/bash
+        export PYTHONPATH=${python-with-my-packages}/${python-with-my-packages.sitePackages}
+        python3 $out/lib/backup-psql.py
+      EOF
+      chmod +x backup-psql
+    '';
+
+    installPhase = ''
+      mkdir -p $out/{bin,lib}
+      cp *.py $out/lib/backup-psql.py
+      cp backup-psql $out/bin/backup-sql
+    '';
+  }
+
diff --git a/app/backup/build/backup-psql/docker.nix b/app/backup/build/backup-psql/docker.nix
new file mode 100644
index 0000000..001cada
--- /dev/null
+++ b/app/backup/build/backup-psql/docker.nix
@@ -0,0 +1,11 @@
+let
+  common = import ./common.nix;
+  app = import ./default.nix;
+  pkgs = import common.pkgsSrc {};
+in
+  pkgs.dockerTools.buildLayeredImage {
+    name = "superboum/backup-psql-docker";
+    config = {
+      Cmd = [ "${app}/bin/backup-psql" ];
+    };
+ }