change enum EnvValueSource

extensions/v1alpha1/wasm.proto

@@ -102,7 +102,6 @@ import "type/v1beta1/selector.proto";
 //	   - name: POD_NAME
 //       valueFrom: HOST
 //     - name: TRUST_DOMAIN
-//       valueFrom: GIVEN
 //       value: "cluster.local"
 // ```
 //
@@ -332,22 +331,22 @@ message EnvVar {
   EnvValueSource value_from = 3;
 
   // Variable references $(VAR_NAME) are expanded
-	// using the previously defined environment variables in the container and
-	// any service environment variables. If a variable cannot be resolved,
-	// the reference in the input string will be unchanged. Double $$ are reduced
-	// to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e.
-	// "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)".
-	// Escaped references will never be expanded, regardless of whether the variable
-	// exists or not.
-	// Defaults to "".
-	// +optional
+  // using the previously defined environment variables in the container and
+  // any service environment variables. If a variable cannot be resolved,
+  // the reference in the input string will be unchanged. Double $$ are reduced
+  // to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e.
+  // "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)".
+  // Escaped references will never be expanded, regardless of whether the variable
+  // exists or not.
+  // Defaults to "".
+  // +optional
   optional string value = 2;
 }
 
 enum EnvValueSource {
-  // *Istio-proxy's* environment variables exposed to this VM.
-  HOST = 0;
-
   // Explicitly given key-value pairs to be injected to this VM
-  GIVEN = 1;
+  INLINE = 0;
+
+  // *Istio-proxy's* environment variables exposed to this VM.
+  HOST = 1;
 }