From 8e2447c67c1a882b94ae77c9b0440ba6940d72dd Mon Sep 17 00:00:00 2001
From: Chris Lovering <chris.lovering.95@gmail.com>
Date: Tue, 19 May 2026 21:32:24 +0100
Subject: [PATCH] Move to using linode object storage for loki

---
 kubernetes/namespaces/loki/loki_values.yml |  20 ++++++++++++++------
 kubernetes/namespaces/loki/secrets.yaml    | Bin 0 -> 266 bytes
 2 files changed, 14 insertions(+), 6 deletions(-)
 create mode 100644 kubernetes/namespaces/loki/secrets.yaml

diff --git a/kubernetes/namespaces/loki/loki_values.yml b/kubernetes/namespaces/loki/loki_values.yml
index 6459c006..60a226b6 100644
--- a/kubernetes/namespaces/loki/loki_values.yml
+++ b/kubernetes/namespaces/loki/loki_values.yml
@@ -20,9 +20,15 @@ loki:
           prefix: index_
           period: 24h
 
-  # Storage type is S3 (Minio)
+  # Storage type is S3 (Linode Object Storage)
   storage:
     type: s3
+    s3:
+      endpoint: eu-central-1.linodeobjects.com
+      region: eu-central-1
+      bucketnames: loki-cache
+      accessKeyId: ${LOKI_S3_ACCESS_KEY_ID}
+      secretAccessKey: ${LOKI_S3_SECRET_ACCESS_KEY}
 
   compactor:
     retention_enabled: true
@@ -74,12 +80,18 @@ sidecar:
 singleBinary:
   # Set replicas to 3 again
   replicas: 3
+  # Inject Linode Object Storage credentials from secret
+  envFrom:
+    - secretRef:
+        name: loki-s3
   # Disable any persistence in Loki, all persistence is in S3
   persistence:
     enabled: false
-  # Enable the pattern ingester (for Grafana Explore Logs)
   extraArgs:
+  # Enable the pattern ingester (for Grafana Explore Logs)
     - "--pattern-ingester.enabled=true"
+  # Enable environment variable expansion in the Loki config (required for ${VAR} credential references)
+    - "--config.expand-env=true"
 
   # Add a tmpfs in /var/loki for temporary data storage
   extraVolumes:
@@ -107,10 +119,6 @@ write:
 backend:
   replicas: 0
 
-# Enable Minio for S3 storage
-minio:
-  enabled: true
-
 # Enable Prometheus scraping of the Loki Canaries
 lokiCanary:
   annotations:
diff --git a/kubernetes/namespaces/loki/secrets.yaml b/kubernetes/namespaces/loki/secrets.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..9b2b655de4a76a276842c107e125ba8c3a4fd621
GIT binary patch
literal 266
zcmV+l0rma>M@dveQdv+`0Mq_t8#%aKrN-ahw!cikZ1NK&O8#JoVC3_>P<QKzh4v0h
z&+ORGqHIQd4R(`#NMdHiw7=lWb*Rfm+?~P}3=l!1lbX-DKN!by8FWHm^JETv<?YG_
z?$5CO&t_nngVoSLY)uLu`!WV=r!(`EW^%^bVu8u4@+=-8YVCkA?=f?QM-U}P{5AXK
z6^v#g*q~we6J7x-jhnQs3d_#LSOTShN%s;7CuWVM;qh<kqAtesiiee!zbpZy=U+kz
zibAiB+WasN#P7}nk!)dkX8l?MEj~o^6Z5ejmOLO&&_K<>uW>x`#hs4Ho0JBuC_ud!
QlL5ky55+1HII*+SZig#{Y5)KL

literal 0
HcmV?d00001