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[bitnami/solr] Updated Solr README (#6612)

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* T39960 Updated Solr README

* T39960 Updated Chart.yaml

Co-authored-by: Vikram Vaswani <vvaswani@vmware.com>
This commit is contained in:
vikram-bitnami
2021-06-09 15:03:38 +02:00
committed by GitHub
co-authored by Vikram Vaswani
parent 1f103bbc16
commit c2525f4e5c
2 changed files with 10 additions and 30 deletions
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bitnami/solr/Chart.yaml
+1 -1
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@@ -27,4 +27,4 @@ name: solr
sources:
- https://github.com/bitnami/bitnami-docker-solr
- https://lucene.apache.org/solr/
version: 0.3.3
version: 0.3.4
bitnami/solr/README.md
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@@ -289,7 +289,7 @@ $ helm install my-release -f values.yaml bitnami/solr
## Configuration and installation details
### [Rolling VS Immutable tags](https://docs.bitnami.com/containers/how-to/understand-rolling-tags-containers/)
### [Rolling vs Immutable tags](https://docs.bitnami.com/containers/how-to/understand-rolling-tags-containers/)
It is strongly recommended to use immutable tags in a production environment. This ensures your deployment does not change automatically if the same tag is updated with a different image.
@@ -299,7 +299,7 @@ Bitnami will release a new chart updating its containers if a new version of the
To modify the Solr version used in this chart you can specify a [valid image tag](https://hub.docker.com/r/bitnami/solr/tags/) using the `image.tag` parameter. For example, `image.tag=X.Y.Z`. This approach is also applicable to other images like exporters.
### Adding extra environment variables
### Add extra environment variables
In case you want to add extra environment variables (useful for advanced operations like custom init scripts), you can use the `extraEnvVars` property.
@@ -311,37 +311,17 @@ extraEnvVars:
Alternatively, you can use a ConfigMap or a Secret with the environment variables. To do so, use the `extraEnvVarsCM` or the `extraEnvVarsSecret` values.
### Sidecars and Init Containers
### Use Sidecars and Init Containers
If you have a need for additional containers to run within the same pod as Solr (e.g. an additional metrics or logging exporter), you can do so via the `sidecars` config parameter. Simply define your container according to the Kubernetes container spec.
If additional containers are needed in the same pod (such as additional metrics or logging exporters), they can be defined using the `sidecars` config parameter. Similarly, extra init containers can be added using the `initContainers` parameter.
```yaml
sidecars:
- name: your-image-name
image: your-image
imagePullPolicy: Always
ports:
- name: portname
containerPort: 1234
```
Refer to the chart documentation for more information on, and examples of, configuring and using [sidecars and init containers](https://docs.bitnami.com/kubernetes/infrastructure/solr/configuration/configure-sidecar-init-containers/).
Similarly, you can add extra init containers using the `initContainers` parameter.
### Set Pod affinity
```yaml
initContainers:
- name: your-image-name
image: your-image
imagePullPolicy: Always
ports:
- name: portname
containerPort: 1234
```
This chart allows you to set your custom affinity using the `XXX.affinity` parameter(s). Find more information about Pod affinity in the [Kubernetes documentation](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity).
### Setting Pod's affinity
This chart allows you to set your custom affinity using the `affinity` parameter. Find more information about Pod's affinity in the [kubernetes documentation](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity).
As an alternative, you can use of the preset configurations for pod affinity, pod anti-affinity, and node affinity available at the [bitnami/common](https://github.com/bitnami/charts/tree/master/bitnami/common#affinities) chart. To do so, set the `podAffinityPreset`, `podAntiAffinityPreset`, or `nodeAffinityPreset` parameters.
As an alternative, you can use the preset configurations for pod affinity, pod anti-affinity, and node affinity available at the [bitnami/common](https://github.com/bitnami/charts/tree/master/bitnami/common#affinities) chart. To do so, set the `XXX.podAffinityPreset`, `XXX.podAntiAffinityPreset`, or `XXX.nodeAffinityPreset` parameters.
## Persistence
@@ -349,7 +329,7 @@ The [Bitnami Solr](https://github.com/bitnami/bitnami-docker-solr) image can per
The chart mounts a [Persistent Volume](http://kubernetes.io/docs/user-guide/persistent-volumes/) at this location. The volume is created using dynamic volume provisioning.
### Adding extra volumes
### Add extra volumes
The Bitnami Solr chart supports mounting extra volumes (either PVCs, secrets or configmaps) by using the `extraVolumes` and `extraVolumeMounts` property. This can be combined with advanced operations like adding extra init containers and sidecars.