Added an init container for grand central

... that explicitly waits for the associated CrateDB to be started.
crate · Feb 23, 2024 · 717c9bc · 717c9bc
1 parent 0a9de56
commit 717c9bc
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -5,6 +5,13 @@ Changelog
 Unreleased
 ----------
 
+* Added an init container for grand central, that explicitly waits for the associated
+  CrateDB to be started.
+
+* Changed the image pull policy for Grand Central to ``IfNotPresent``, there's no reason
+  to always pull.
+
+
 2.36.0 (2024-02-21)
 -------------------
 
@@ -14,6 +21,7 @@ Unreleased
 
 * Fixed a bug that subhandlers were erroneously considered to be timed out.
 
+
 2.35.0 (2024-02-15)
 -------------------
 

diff --git a/crate/operator/grand_central.py b/crate/operator/grand_central.py
@@ -164,11 +164,20 @@ def get_grand_central_deployment(
                     name=f"{GRAND_CENTRAL_RESOURCE_PREFIX}-{name}",
                 ),
                 spec=V1PodSpec(
+                    init_containers=[
+                        V1Container(
+                            env=env,
+                            image=spec["grandCentral"]["backendImage"],
+                            image_pull_policy="IfNotPresent",
+                            name="wait-for-crate",
+                            command=["./wait-for-cratedb.py"],
+                        )
+                    ],
                     containers=[
                         V1Container(
                             env=env,
                             image=spec["grandCentral"]["backendImage"],
-                            image_pull_policy="Always",
+                            image_pull_policy="IfNotPresent",
                             name=f"{GRAND_CENTRAL_RESOURCE_PREFIX}-api",
                             ports=[
                                 V1ContainerPort(