Add support to shared env vars

Author: joaodaher

flamingo/models/buildpack.py

@@ -11,7 +11,7 @@
 
 import settings
 from models.base import KeyValue
-from models.env_var import EnvVar
+from models.env_var import EnvVar, EnvVarSource
 
 if TYPE_CHECKING:
     from models.app import App
@@ -90,5 +90,10 @@ def get_extra_build_steps(self, app: 'App') -> List[str]:
 
     def get_all_env_vars(self):
         # Here's the opportunity to inject dynamic env vars from the app's BuildPack
-        all_vars = self.env_vars.copy()
+        all_vars = []
+
+        for var in self.env_vars.copy():
+            var.source = EnvVarSource.SHARED.value
+            all_vars.append(var)
+
         return all_vars

flamingo/models/env_var.py

@@ -9,6 +9,7 @@
 
 class EnvVarSource(Enum):
     USER = 'user'
+    SHARED = 'shared'
     FLAMINGO = 'flamingo'
 
 
@@ -25,4 +26,4 @@ def serialize(self) -> Dict:
 
     @property
     def is_implicit(self):
-        return self.source != EnvVarSource.USER
+        return self.source == EnvVarSource.FLAMINGO

flamingo/models/environment.py

@@ -24,7 +24,12 @@ def __post_init__(self):
         self.name = slugify(self.name)
 
     def get_all_env_vars(self) -> List[EnvVar]:
-        all_vars = self.vars.copy()
+        all_vars = []
+
+        for var in self.vars.copy():
+            var.source = EnvVarSource.SHARED.value
+            all_vars.append(var)
+
         all_vars.extend([
             EnvVar(key='ENV', value=self.name, source=EnvVarSource.FLAMINGO)
         ])