feat: add loki docs

Signed-off-by: Kevin Carter <[email protected]>

docs/infrastructure-loki.md

@@ -0,0 +1,44 @@
+# Setting up Loki
+
+## Add the grafana helm repo
+
+``` shell
+helm repo add grafana https://grafana.github.io/helm-charts
+helm repo update
+```
+
+### Install the helm chart
+
+You will need to make changes depending on how you want to configure loki. Example files are included in this directory choose one relevant to your deploy
+
+``` shell
+helm upgrade --install \
+             --values my-loki-helm-overrides.yaml \
+             loki grafana/loki \
+             --create-namespace \
+             --namespace grafana
+```
+
+!!! example
+
+    If you plan on using **Swift** as a backend for log storage see the `loki-helm-swift-overrides-example.yaml` file in the `helm-configs/loki` directory.
+
+    ``` yaml
+    --8<-- "helm-configs/loki/loki-helm-swift-overrides-example.yaml"
+    ```
+
+!!! example
+
+    If you plan on using **S3** as a backend for log storage see the `loki-helm-s3-overrides-example.yaml` file in the `helm-configs/loki` directory.
+
+    ``` yaml
+    --8<-- "helm-configs/loki/loki-helm-s3-overrides-example.yaml"
+    ```
+
+!!! example
+
+    If you plan on using **Minio** as a backend for log storage see the `loki-helm-s3-overrides-example.yaml` file in the `helm-configs/loki` directory.
+
+    ``` yaml
+    --8<-- "helm-configs/loki/loki-helm-minio-overrides-example.yaml"
+    ```

mkdocs.yml

@@ -109,7 +109,8 @@ markdown_extensions:
       line_spans: __span
       pygments_lang_class: true
   - pymdownx.inlinehilite
-  - pymdownx.snippets
+  - pymdownx.snippets:
+      restrict_base_path: false
 
 repo_name: rackerlabs/genestack
 repo_url: https://github.com/rackerlabs/genestack
@@ -164,6 +165,7 @@ nav:
                   - infrastructure-ovn.md
                   - OVN Setup: infrastructure-ovn-setup.md
               - MetalLB: infrastructure-metallb.md
+              - Loki: infrastructure-loki.md
           - OpenStack:
               - openstack-overview.md
               - OpenStack Preparations: openstack-helm-make.md