WIP for creating mac osx bindings

kapitan/dependency_manager/base.py

@@ -237,10 +237,11 @@ def fetch_helm_chart(dep_mapping, save_dir):
 
 def initialise_helm_fetch_binding():
     """returns the dl_opened library (.so file) if exists, otherwise None"""
-    if platform.system() not in ("Linux", "Darwin"):  # TODO: later add binding for Mac
+    if platform.system() not in ("Linux", "Darwin"):
         return None
-    # binding_path is kapitan/dependency_manager/helm/helm_fetch.so
-    binding_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "helm/helm_fetch.so")
+    # binding_path is kapitan/inputs/helm/helm_fetch_<platform.system()>.so
+    binding_path = os.path.join(os.path.dirname(os.path.abspath(__file__)),
+                                    "helm/helm_fetch_{}.so".format(platform.system()))
     if not os.path.exists(binding_path):
         logger.debug("The helm_fetch binding does not exist at {}".format(binding_path))
         return None

kapitan/dependency_manager/helm/build.sh

@@ -5,13 +5,24 @@ set -euo pipefail
 cd $(dirname "$0")
 pwd
 
-so_name="helm_fetch.so"
+# append platform name to the .so file name, corresponding to python's platform.system()
+if [[ "$OSTYPE" == "linux-gnu" ]]; then
+    os_suffix="Linux"
+elif [[ "$OSTYPE" == "darwin"* ]]; then
+    os_suffix="Darwin"
+fi
+
+so_name="helm_fetch_$os_suffix.so"
 
 # Compile the binding if a Go runtime exists
 if [[ -z $(which go) ]]; then
     echo "[WARN] go is not available on this system -- skipping Helm binding build!"
 else
-    go build -buildmode=c-shared -o $so_name helm_fetch.go
+    if [[ "$os_suffix" == "Linux" ]]; then
+        GOOS=linux GOARCH=amd64 go build -buildmode=c-shared -o $so_name helm_fetch.go
+    elif [[ "$os_suffix" == "Darwin" ]]; then
+        GOOS=darwin GOARCH=amd64 go build -buildmode=c-shared -o $so_name helm_fetch.go
+    fi
 fi
 
 # Validate that the compiled binding exists

kapitan/inputs/helm/__init__.py

@@ -24,10 +24,11 @@ def __init__(self, compile_path, search_paths, ref_controller):
 
     def initialise_binding(self):
         """returns the dl_opened library (.so file) if exists, otherwise None"""
-        if platform.system() not in ("Linux", "Darwin"):  # TODO: later add binding for Mac
+        if platform.system() not in ("Linux", "Darwin"):
             return None
-        # binding_path is kapitan/inputs/helm/libtemplate.so
-        binding_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "libtemplate.so")
+        # binding_path is kapitan/inputs/helm/libtemplate_<platform.system()>.so
+        binding_path = os.path.join(os.path.dirname(os.path.abspath(__file__)),
+                                    "libtemplate_{}.so".format(platform.system()))
         if not os.path.exists(binding_path):
             logger.debug("The helm binding does not exist at {}".format(binding_path))
             return None

kapitan/inputs/helm/build.sh

@@ -3,13 +3,24 @@
 cd $(dirname "$0")
 pwd
 
-so_name="libtemplate.so"
+# append platform name to the .so file name, corresponding to python's platform.system()
+if [[ "$OSTYPE" == "linux-gnu" ]]; then
+    os_suffix="Linux"
+elif [[ "$OSTYPE" == "darwin"* ]]; then
+    os_suffix="Darwin"
+fi
+
+so_name="libtemplate_$os_suffix.so"
 
 # Compile the binding if a Go runtime exists
 if [[ -z $(which go) ]]; then
     echo "[WARN] go is not available on this system -- skipping Helm binding build!"
 else
-    go build -buildmode=c-shared -o $so_name template.go
+    if [[ "$os_suffix" == "Linux" ]]; then
+        GOOS=linux GOARCH=amd64 go build -buildmode=c-shared -o $so_name template.go
+    elif [[ "$os_suffix" == "Darwin" ]]; then
+        GOOS=darwin GOARCH=amd64 go build -buildmode=c-shared -o $so_name template.go
+    fi
 fi
 
 # Validate that the compiled binding exists

kapitan/inputs/helm/helm_binding.py

@@ -3,6 +3,6 @@
 
 ffi = _cffi_backend.FFI('helm_binding',
     _version = 0x2601,
-    _types = b'\x00\x00\x01\x0D\x00\x00\x0B\x03\x00\x00\x01\x11\x00\x00\x01\x11\x00\x00\x01\x11\x00\x00\x01\x11\x00\x00\x01\x11\x00\x00\x00\x0F\x00\x00\x0C\x0D\x00\x00\x0C\x03\x00\x00\x00\x0F\x00\x00\x02\x01\x00\x00\x00\x01',
-    _globals = (b'\x00\x00\x08\x23free',0,b'\x00\x00\x00\x23renderChart',0),
+    _types = b'\x00\x00\x01\x0D\x00\x00\x0D\x03\x00\x00\x01\x11\x00\x00\x01\x11\x00\x00\x01\x11\x00\x00\x01\x11\x00\x00\x01\x11\x00\x00\x01\x03\x00\x00\x07\x01\x00\x00\x00\x0F\x00\x00\x0E\x0D\x00\x00\x0E\x03\x00\x00\x00\x0F\x00\x00\x02\x01\x00\x00\x00\x01',
+    _globals = (b'\x00\x00\x0A\x23free',0,b'\x00\x00\x00\x23renderChart',0),
 )

scripts/build-mac-osx-binary.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# install pip dependencies
+
+# pip3 install pyinstaller
+
+# bash scripts/pyinstaller.sh

scripts/pyinstaller.sh

@@ -5,14 +5,22 @@
 
 set -e
 
+if [[ "$OSTYPE" == "linux-gnu" ]]; then
+    os_suffix="Linux"
+elif [[ "$OSTYPE" == "darwin"* ]]; then
+    os_suffix="Darwin"
+fi
+
+lc_os=$(echo $os_suffix | sed 's/./\L&/g')
+
 entry='__main__'
-output_name='kapitan-linux-amd64'
+output_name="kapitan-$lc_os-amd64"
 pyi-makespec kapitan/"$entry".py --onefile \
-    --add-data kapitan/reclass/reclass:reclass \
-    --add-data kapitan/lib:kapitan/lib \
-    --add-data kapitan/inputs/templates:kapitan/inputs/templates \
-    --add-data kapitan/inputs/helm/libtemplate.so:kapitan/inputs/helm \
-    --add-data kapitan/dependency_manager/helm/helm_fetch.so:kapitan/dependency_manager/helm \
+    --add-data "kapitan/reclass/reclass:reclass" \
+    --add-data "kapitan/lib:kapitan/lib" \
+    --add-data "kapitan/inputs/templates:kapitan/inputs/templates" \
+    --add-data "kapitan/inputs/helm/libtemplate_$os_suffix.so:kapitan/inputs/helm" \
+    --add-data "kapitan/dependency_manager/helm/helm_fetch_$os_suffix.so:kapitan/dependency_manager/helm" \
     --hidden-import pyparsing --hidden-import jsonschema \
     --exclude-module doctest --exclude-module pydoc
 pyinstaller "$entry".spec --clean