From 6f196481802fbe3a068e5cd3100d8868fa10c5e4 Mon Sep 17 00:00:00 2001
From: Vincent Composieux <vincent@composieux.fr>
Date: Fri, 22 Mar 2019 14:18:49 +0100
Subject: [PATCH] Added a Kubernetes image diff between contexts

---
 .brew      |  1 +
 .functions | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/.brew b/.brew
index c341424..e145505 100755
--- a/.brew
+++ b/.brew
@@ -21,6 +21,7 @@ brew install bash
 brew install bat
 brew install ffmpeg
 brew install fzf
+brew install grc
 brew install rs/tap/jaggr
 brew install rs/tap/jplot
 brew install oath-toolkit
diff --git a/.functions b/.functions
index 4f8bd26..17ca55b 100644
--- a/.functions
+++ b/.functions
@@ -393,6 +393,20 @@ function kforward {
     kubectl port-forward --context=$1 -n $2 $podName $4
 }
 
+function kubernetes_image_diff {
+    k describe pods -n $1 --context $2 | grep Image: | cut -d':' -f2 -f3 | cut -d'/' -f2- | tr -d ' ' > /tmp/$2.diff
+}
+
+# Kubernetes image diff between 2 contexts
+# Usage: kdiff <namespace> <dest env> <src env>
+function kdiff {
+    kubernetes_image_diff $1 $2
+    kubernetes_image_diff $1 $3
+
+    grc diff -d /tmp/$2.diff /tmp/$3.diff
+    rm /tmp/$2.diff /tmp/$3.diff
+}
+
 # Usage: swap <file1> <file2>
 function swap() {
     mv $1 $1.tmp && mv $2 $1 && mv $1.tmp $2;