Adds loki helm install examples

Signed-off-by: Chris Blumentritt <[email protected]>

helm-configs/loki/README.md

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+# Setting up Loki
+
+## Add the grafana helm repo
+```bash
+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
+
+```bash
+helm upgrade --install --values my-loki-helm-overrides.yaml loki grafana/loki --create-namespace --namespace grafana 
+```
+
+### Swift notes
+
+If you plan on using swift as a backend for log storage see the [loki-helm-swift-overrides-example.yaml](loki-helm-swift-overrides-example.yaml)
+
+### S3 notes
+
+If you plan on using s3 as a backend for log storage see the [loki-helm-s3-overrides-example.yaml](loki-helm-s3-overrides-example.yaml)
+
+### minio notes
+
+If you plan on using minio as a backend for log storage see the [loki-helm-minio-overrides-example.yaml](loki-helm-minio-overrides-example.yaml)

helm-configs/loki/loki-helm-minio-overrides-example.yaml

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+global:
+  dnsService: "coredns"
+minio:
+  enabled: true
+loki:
+  auth_enabled: false

helm-configs/loki/loki-helm-s3-overrides-example.yaml

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+global:
+  dnsService: "coredns"
+minio:
+  enabled: false
+loki:
+  auth_enabled: false
+  storage:
+    bucketNames:
+      chunks: < CHUNKS BUCKET NAME > # TODO: Update with relevant bucket name for chunks
+      ruler: < RULER BUCKET NAME > # TODO: Update with relevant bucket name for ruler
+      admin: < ADMIN BUCKET NAME >  # TODO: Update with relevant bucket name for admin
+    type: s3
+    s3:
+      endpoint: < ENDPOINT URL > # TODO: Update with valid enpoint URL
+      region: < REGION > # TODO: Update with valid region
+      secretAccessKey: < SECRET ACCESS KEY > # TODO: Update with valid secret access key
+      accessKeyId: < ACCESS KEY ID > # TODO: Update with access key id
+      s3ForcePathStyle: false
+      insecure: [ true | false ] # TODO: True if valid cert or false if not

helm-configs/loki/loki-helm-swift-overrides-example.yaml

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+global:
+  dnsService: "coredns"
+minio:
+  enabled: false
+loki:
+  auth_enabled: false
+  storage:
+    bucketNames:
+      chunks: chunks
+      ruler: ruler
+      admin: admin
+    type: swift
+    swift:
+      auth_url: https://identity.api.rackspacecloud.com/v1.0
+      username: < USERNAME > # TODO: Update with valid username
+      password: < PASSWORD > # TODO: Update with valid password
+      container_name: < CONTAINER > # TODO: Update with valid container
+      region_name: < REGION > # TODO: Update with valid region