From 916656d8e3d5aeeb8a116477571c07d3f0d1ce94 Mon Sep 17 00:00:00 2001
From: jschaul <jschaul@users.noreply.github.com>
Date: Wed, 25 Jan 2023 18:57:14 +0100
Subject: [PATCH] helm mapkubeapis plugin - also in offline packages

See also https://github.com/wireapp/wire-server/pull/3019 and https://github.com/zinfra/cailleach/pull/1502
---
 nix/overlay.nix               |  7 ++++--
 nix/pkgs/helm-mapkubeapis.nix | 40 +++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100644 nix/pkgs/helm-mapkubeapis.nix

diff --git a/nix/overlay.nix b/nix/overlay.nix
index 15148d207..af9e9f7c0 100644
--- a/nix/overlay.nix
+++ b/nix/overlay.nix
@@ -1,4 +1,7 @@
-self: super: {
+self:
+let helm-mapkubeapis = self.callPackage ./pkgs/helm-mapkubeapis.nix { };
+in
+super: {
   pythonForAnsible = (self.python3.withPackages (_: self.ansible.requiredPythonModules ++ [
     super.python3Packages.boto
     super.python3Packages.boto3
@@ -11,7 +14,7 @@ self: super: {
 
   kubectl = self.callPackage ./pkgs/kubectl.nix { };
   kubernetes-helm = super.wrapHelm super.kubernetes-helm {
-    plugins = with super.kubernetes-helmPlugins; [ helm-s3 helm-secrets helm-diff ];
+    plugins = with super.kubernetes-helmPlugins; [ helm-s3 helm-secrets helm-diff helm-mapkubeapis ];
   };
 
   kubeadm = self.runCommandNoCC "kubeadm" { } "install -Dm0775 ${self.wire-binaries}/kubeadm $out/bin/kubeadm";
diff --git a/nix/pkgs/helm-mapkubeapis.nix b/nix/pkgs/helm-mapkubeapis.nix
new file mode 100644
index 000000000..841ab4e4e
--- /dev/null
+++ b/nix/pkgs/helm-mapkubeapis.nix
@@ -0,0 +1,40 @@
+{ buildGoModule, fetchFromGitHub, lib }:
+
+buildGoModule rec {
+  pname = "helm-mapkubeapis";
+  # in case you change this version, ensure to set sha256 to empty string, as it will
+  # otherwise recompile but not actually update the version. Nix is not intuitive
+  # at all, this sucks! But you've been warned. :)
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "helm";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-OIom+fMjLkbYXbxCsISuihdr3CWjUnkucTnDfoix9B0=";
+  };
+
+  vendorSha256 = "sha256-jqVzBRlGFhDHaiSF9AArJdt4KRCiUqUuo0CnJUTbSfE=";
+
+  # NOTE: Remove the install and upgrade hooks.
+  postPatch = ''
+    sed -i '/^hooks:/,+2 d' plugin.yaml
+  '';
+
+  checkPhase = ''
+  '';
+
+  postInstall = ''
+    install -dm755 $out/${pname}
+    mv $out/bin $out/${pname}/
+    install -m644 -Dt $out/${pname}/config/ config/Map.yaml
+    install -m644 -Dt $out/${pname} plugin.yaml
+  '';
+
+  meta = with lib; {
+    description = "A Helm plugin to map helm release deprecated Kubernetes APIs in-place";
+    homepage = "https://github.com/helm/helm-mapkubeapis";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ];
+  };
+}