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RHIDP: 5515 document default pvc and secret config #1066

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RHIDP-5604 Configuring entity tab titles and entity detail tab layout…
themr0c Apr 3, 2025
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Configuring default configuration
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9 changes: 9 additions & 0 deletions assemblies/assembly-configuring-default-secret-pvc-mounts.adoc
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:_mod-docs-content-type: ASSEMBLY
[id="assembly-configuring-default-secret-pvc-mounts_{context}"]
= Configuring default mounts for Secrets and PVCs

Check warning on line 3 in assemblies/assembly-configuring-default-secret-pvc-mounts.adoc

View workflow job for this annotation

GitHub Actions / Linting with Vale 

[vale] reported by reviewdog 🐶
[RedHat.Spelling] Verify the word 'PVCs'. It is not in the American English spelling dictionary used by Vale.

Raw Output:
{"message": "[RedHat.Spelling] Verify the word 'PVCs'. It is not in the American English spelling dictionary used by Vale.", "location": {"path": "assemblies/assembly-configuring-default-secret-pvc-mounts.adoc", "range": {"start": {"line": 3, "column": 46}}}, "severity": "WARNING"}

You can configure where Persistent Volume Claims (PVCs) and Secrets mount in your {product} deployment. Use annotations to define the custom mount paths and specify the containers to mount them to.

Check warning on line 5 in assemblies/assembly-configuring-default-secret-pvc-mounts.adoc

View workflow job for this annotation

GitHub Actions / Linting with Vale 

[vale] reported by reviewdog 🐶
[RedHat.Spelling] Verify the word 'PVCs'. It is not in the American English spelling dictionary used by Vale.

Raw Output:
{"message": "[RedHat.Spelling] Verify the word 'PVCs'. It is not in the American English spelling dictionary used by Vale.", "location": {"path": "assemblies/assembly-configuring-default-secret-pvc-mounts.adoc", "range": {"start": {"line": 5, "column": 51}}}, "severity": "WARNING"}

include::modules/configuring-external-databases/proc-configuring-mount-paths.adoc[leveloffset=+1]

include::modules/configuring-external-databases/proc-mounting-to-specific-containers.adoc[leveloffset=+1]
42 changes: 42 additions & 0 deletions modules/configuring-external-databases/proc-configuring-mount-paths.adoc
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:_mod-docs-content-type: PROCEDURE
[id="proc-configure-mount-path-secrets-pvcs_{context}"]
= Configuring mount paths for Secrets and PVCs

By default, the mount path is the {product-short} container's working directory. If you do not define the mount path, it defaults to `/opt/app-root/src`.

You can add the `rhdh.redhat.com/mount-path` annotation to specify a custom path.

.Procedure

. To specify a PVC mount path, add the `rhdh.redhat.com/mount-path` annotation to your configuration file as shown in the following example:
+
.Example specifying where the PVC mounts
[source,yaml,subs="+attributes,+quotes"]
----
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: _<my_claim>_
annotations:
rhdh.redhat.com/mount-path: /mount/path/from/annotation
----
where:

`rhdh.redhat.com/mount-path`:: Specifies which mount path the PVC mounts to (in this case, `/mount/path/from/annotation` directory).
<my_claim>:: Specifies the PVC to mount.

. To specify a Secret mount path, add the `rhdh.redhat.com/mount-path` annotation to your configuration file as shown in the following example:
+
.Example specifying where the Secret mounts
[source,yaml,subs="+attributes,+quotes"]
----
apiVersion: v1
kind: Secret
metadata:
name: _<my_secret>_
annotations:
rhdh.redhat.com/mount-path: /mount/path/from/annotation
----
where:

<my_secret>:: Specifies the Secret name.
43 changes: 43 additions & 0 deletions modules/configuring-external-databases/proc-mounting-to-specific-containers.adoc
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:_mod-docs-content-type: PROCEDURE
[id="proc-mount-secrets-pvcs-specific-containers_{context}"]
= Mounting Secrets and PVCs to specific containers

By default, Secrets and PVCs mount only to the {product} `backstage-backend` container. You can add the `rhdh.redhat.com/containers` annotation to your configuration file to specify the containers to mount to.

.Procedure

. To mount Secrets to *all* containers, set the `rhdh.redhat.com/containers` annotation to `*`:
+
.Example mounting to all containers
[source,yaml,subs="+attributes,+quotes"]
----
apiVersion: v1
kind: Secret
metadata:
name: _<my_secret>_
annotations:
rhdh.redhat.com/containers: `*`
----
+
[IMPORTANT]
====
Set `rhdh.redhat.com/containers` to `*` to mount it to all containers in the deployment.
====

. To mount to specific containers, separate the names with commas:
+
.Example separating the list of containers
[source,yaml,subs="+attributes,+quotes"]
----
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: myclaim
annotations:
rhdh.redhat.com/containers: "init-dynamic-plugins,backstage-backend"
----
+
[NOTE]
====
This configuration mounts the `myclaim` PVC to the `init-dynamic-plugins` and `backstage-backend` containers.
====
3 changes: 3 additions & 0 deletions titles/configuring/master.adoc
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Expand Up @@ -33,5 +33,8 @@ include::modules/installation/proc-configuring-an-rhdh-instance-with-tls-in-kube
include::modules/dynamic-plugins/con-dynamic-plugins-cache.adoc[ leveloffset=+1]


include::assemblies/assembly-configuring-default-secret-pvc-mounts.adoc[leveloffset=+1]


include::modules/dynamic-plugins/proc-installing-and-configuring-redis-cache.adoc[leveloffset=+1]