From 4ee48e23352c2dd115ea2bab958f089dcb39ee1e Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@zonque.org>
Date: Fri, 29 Mar 2024 10:30:12 +0100
Subject: [PATCH] Only pull images unless they are available locally

Avoid excessive downloads and only pull images if needed. This makes the
rollout faster and also helps to reduce traffic when cronjobs are used.
---
 lib/cuber/templates/deployment.yml.erb | 8 ++++----
 lib/cuber/templates/pod.yml.erb        | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/cuber/templates/deployment.yml.erb b/lib/cuber/templates/deployment.yml.erb
index 1bb213b..fff87a6 100644
--- a/lib/cuber/templates/deployment.yml.erb
+++ b/lib/cuber/templates/deployment.yml.erb
@@ -100,7 +100,7 @@ spec:
       containers:
       - name: migration
         image: <%= @options[:image] %>:<%= @options[:release] %>
-        imagePullPolicy: Always
+        imagePullPolicy: IfNotPresent
         <%- if @options[:buildpacks] -%>
         command: ["launcher"]
         args: <%= @options[:migrate][:cmd].shellsplit %>
@@ -152,7 +152,7 @@ spec:
       containers:
       - name: <%= procname %>-proc
         image: <%= @options[:image] %>:<%= @options[:release] %>
-        imagePullPolicy: Always
+        imagePullPolicy: IfNotPresent
         <%- if @options[:buildpacks] -%>
         command: ["launcher"]
         args: <%= proc[:cmd].shellsplit %>
@@ -202,7 +202,7 @@ spec:
       initContainers:
       - name: migration-check
         image: <%= @options[:image] %>:<%= @options[:release] %>
-        imagePullPolicy: Always
+        imagePullPolicy: IfNotPresent
         <%- if @options[:buildpacks] -%>
         command: ["launcher"]
         args: <%= @options[:migrate][:check].shellsplit %>
@@ -257,7 +257,7 @@ spec:
           containers:
           - name: task
             image: <%= @options[:image] %>:<%= @options[:release] %>
-            imagePullPolicy: Always
+            imagePullPolicy: IfNotPresent
             <%- if @options[:buildpacks] -%>
             command: ["launcher"]
             args: <%= cron[:cmd].shellsplit %>
diff --git a/lib/cuber/templates/pod.yml.erb b/lib/cuber/templates/pod.yml.erb
index efd1d76..6228a0d 100644
--- a/lib/cuber/templates/pod.yml.erb
+++ b/lib/cuber/templates/pod.yml.erb
@@ -11,7 +11,7 @@ spec:
   containers:
   - name: pod-proc
     image: <%= @options[:image] %>:<%= @options[:release] %>
-    imagePullPolicy: Always
+    imagePullPolicy: IfNotPresent
     command: ["sleep", "infinity"]
     envFrom:
     - configMapRef: