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-rw-r--r--roles/openshift_prometheus/README.md27
1 files changed, 25 insertions, 2 deletions
diff --git a/roles/openshift_prometheus/README.md b/roles/openshift_prometheus/README.md
index c5a44bffb..ce72930ed 100644
--- a/roles/openshift_prometheus/README.md
+++ b/roles/openshift_prometheus/README.md
@@ -23,8 +23,8 @@ For default values, see [`defaults/main.yaml`](defaults/main.yaml).
- `openshift_prometheus_image_<COMPONENT>`: specify image for the component
-## Storage related variables
-Each prometheus component (prometheus, alertmanager, alert-buffer, oauth-proxy) can set pv claim by setting corresponding role variable:
+## PVC related variables
+Each prometheus component (prometheus, alertmanager, alertbuffer) can set pv claim by setting corresponding role variable:
```
openshift_prometheus_<COMPONENT>_storage_type: <VALUE>
openshift_prometheus_<COMPONENT>_pvc_(name|size|access_modes|pv_selector): <VALUE>
@@ -37,6 +37,29 @@ openshift_prometheus_alertbuffer_pvc_size: 10G
openshift_prometheus_pvc_access_modes: [ReadWriteOnce]
```
+## NFS PV Storage variables
+Each prometheus component (prometheus, alertmanager, alertbuffer) can set nfs pv by setting corresponding variable:
+```
+openshift_prometheus_<COMPONENT>_storage_kind=<VALUE>
+openshift_prometheus_<COMPONENT>_storage_(access_modes|host|labels)=<VALUE>
+openshift_prometheus_<COMPONENT>_storage_volume_(name|size)=<VALUE>
+openshift_prometheus_<COMPONENT>_storage_nfs_(directory|options)=<VALUE>
+```
+e.g
+```
+openshift_prometheus_storage_kind=nfs
+openshift_prometheus_storage_access_modes=['ReadWriteOnce']
+openshift_prometheus_storage_host=nfs.example.com #for external host
+openshift_prometheus_storage_nfs_directory=/exports
+openshift_prometheus_storage_alertmanager_nfs_options='*(rw,root_squash)'
+openshift_prometheus_storage_volume_name=prometheus
+openshift_prometheus_storage_alertbuffer_volume_size=10Gi
+openshift_prometheus_storage_labels={'storage': 'prometheus'}
+```
+
+NOTE: Setting `openshift_prometheus_<COMPONENT>_storage_labels` overrides `openshift_prometheus_<COMPONENT>_pvc_pv_selector`
+
+
## Additional Alert Rules file variable
An external file with alert rules can be added by setting path to additional rules variable:
```