From 398180d9c173aa4cbf65287668905a59a88c52a9 Mon Sep 17 00:00:00 2001
From: John Long <xadhatter@pm.me>
Date: Wed, 29 Nov 2023 14:40:25 -0500
Subject: [PATCH] updated broker to use current appDep of release

---
 components/broker/engine/store.go | 12 ++++++++++--
 docs/quickstart.md                | 12 ++++++++----
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/components/broker/engine/store.go b/components/broker/engine/store.go
index def2d6c..befa6e0 100644
--- a/components/broker/engine/store.go
+++ b/components/broker/engine/store.go
@@ -346,13 +346,21 @@ func (str *Store) buildReleaseMatcher(ctx context.Context) (*matcher.EventMatche
 			vars  map[string]*api.Val
 		)
 
-		if appDep, err := str.AppDeployment(rel.Spec.AppDeployment.Name); err != nil {
+		var appDepName string
+		if rel.Status.Current != nil {
+			appDepName = rel.Status.Current.AppDeployment.Name
+		}
+		if appDepName == "" {
+			str.log.Debugf("Release '%s/%s' does not have a current AppDeployment", rel.Namespace, rel.Name)
+			continue
+		}
+
+		if appDep, err := str.AppDeployment(appDepName); err != nil {
 			str.log.Warn(err)
 			continue
 		} else {
 			comps = appDep.Spec.Components
 		}
-
 		if env, err := str.ReleaseEnv(rel.Name); err != nil {
 			str.log.Warn(err)
 			continue
diff --git a/docs/quickstart.md b/docs/quickstart.md
index 4f3d51b..3cc4057 100644
--- a/docs/quickstart.md
+++ b/docs/quickstart.md
@@ -684,14 +684,18 @@ between deployments KubeFox is able to share a single pod. Not only are
 environments injected per request, routing is performed dynamically.
 
 For fun publish the new version, release it to the `qa` environment, then
-promote version `v0.1.0` to the `prod` environment. Check out those blazing fast
-the releases.
+promote version `v0.1.0` to the `prod` environment. Because of the stricter
+release policies set in the `prod` environment a snapshot is required for the
+release. Much like a versioned deployment, an environment snapshot is immutable,
+ensuring a stable release even if the `prod` environment is changed.
+
+Check out those blazing fast the releases.
 
 ```{ .shell .copy }
 git tag v0.1.1 && \
   fox publish --version v0.1.1 --wait 5m && \
   fox release v0.1.1 --virtual-env qa && \
-  fox release v0.1.0 --virtual-env prod
+  fox release v0.1.0 --virtual-env prod --create-snapshot
 ```
 
 ??? example "Output"
@@ -700,7 +704,7 @@ git tag v0.1.1 && \
     $ git tag v0.1.1 && \
         fox publish --version v0.1.1 --wait 5m && \
         fox release v0.1.1 --virtual-env qa && \
-        fox release v0.1.0 --virtual-env prod
+        fox release v0.1.0 --virtual-env prod --create-snapshot
     info    Component image 'localhost/kubefox/hello-world/backend:bb702a1' exists.
     info    Loading component image 'localhost/kubefox/hello-world/backend:bb702a1' into kind cluster 'kind'.