First pass at scaling to one node.

Taskfile.yaml

@@ -87,7 +87,7 @@ tasks:
             "containers": [
               {
                 "name": "debug",
-                "image": "ghcr.io/onedr0p/alpine:rolling",
+                "image": "docker.io/library/alpine:3.19.1",
                 "command": ["/bin/bash"],
                 "stdin": true,
                 "stdinOnce": true,

kubernetes/apps/database/crunchy-postgres-operator/cluster/postgrescluster.yaml

@@ -39,7 +39,7 @@ spec:
       metadata:
         labels:
           app.kubernetes.io/name: crunchy-postgres
-      replicas: &replica 3
+      replicas: &replica 1
       dataVolumeClaimSpec:
         storageClassName: openebs-hostpath
         accessModes:

kubernetes/apps/database/dragonfly/app/dragonfly.yaml

@@ -7,7 +7,7 @@ metadata:
     app.kubernetes.io/name: dragonfly
   name: dragonfly
 spec:
-  replicas: 2
+  replicas: 1
   resources:
     requests:
       cpu: 500m

kubernetes/apps/kube-system/descheduler/app/helmrelease.yaml

@@ -24,7 +24,7 @@ spec:
   uninstall:
     keepHistory: false
   values:
-    replicas: 2
+    replicas: 1
     kind: Deployment
     deschedulerPolicyAPIVersion: descheduler/v1alpha2
     deschedulerPolicy:

kubernetes/apps/kyverno/kyverno/app/helmrelease.yaml

@@ -56,7 +56,7 @@ spec:
       serviceMonitor:
         enabled: true
     admissionController:
-      replicas: 3
+      replicas: 1
       serviceMonitor:
         enabled: true
       rbac:

kubernetes/apps/media/immich/app/postgresCluster.yaml

@@ -42,7 +42,7 @@ spec:
       metadata:
         labels:
           app.kubernetes.io/name: pgo-${APP}
-      replicas: 2
+      replicas: 1
       dataVolumeClaimSpec:
         storageClassName: openebs-hostpath
         accessModes:

kubernetes/apps/network/cloudflared/app/helmrelease.yaml

@@ -28,7 +28,7 @@ spec:
   values:
     controllers:
       cloudflared:
-        replicas: 2
+        replicas: 1
         strategy: RollingUpdate
         annotations:
           reloader.stakater.com/auto: "true"

kubernetes/apps/network/ingress-nginx/external/helmrelease.yaml

@@ -22,7 +22,7 @@ spec:
       valuesKey: MAXMIND_LICENSE_KEY
   values:
     controller:
-      replicaCount: 2
+      replicaCount: 1
       updateStrategy:
         type: RollingUpdate
       allowSnippetAnnotations: true

kubernetes/apps/network/ingress-nginx/internal/helmrelease.yaml

@@ -20,7 +20,7 @@ spec:
     fullnameOverride: nginx-internal
 
     controller:
-      replicaCount: 3
+      replicaCount: 1
 
       updateStrategy:
         type: RollingUpdate

kubernetes/apps/observability/grafana/app/helmrelease.yaml

@@ -29,7 +29,7 @@ spec:
     - name: loki
       namespace: observability
   values:
-    replicas: 2
+    replicas: 1
     envFromSecret: grafana-secret
     dashboardProviders:
       dashboardproviders.yaml:

kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml

@@ -45,7 +45,7 @@ spec:
           - hosts:
               - *host
       alertmanagerSpec:
-        replicas: 2
+        replicas: 1
         useExistingSecret: true
         configSecret: alertmanager-secret
         storage:
@@ -117,7 +117,7 @@ spec:
         podMetadata:
           annotations:
             secret.reloader.stakater.com/reload: &secret thanos-objstore-config
-        replicas: 2
+        replicas: 1
         replicaExternalLabelName: __replica__
         scrapeInterval: 1m # Must match interval in Grafana Helm chart
         ruleSelectorNilUsesHelmValues: false

kubernetes/apps/observability/loki/app/helmrelease.yaml

@@ -111,12 +111,12 @@ spec:
         analytics:
           reporting_enabled: false
     backend:
-      replicas: 2
+      replicas: 1
       persistence:
         size: 20Gi
         storageClass: openebs-hostpath
     gateway:
-      replicas: 2
+      replicas: 1
       image:
         registry: ghcr.io
       ingress:
@@ -130,9 +130,9 @@ spec:
         tls:
           - hosts: [*host]
     read:
-      replicas: 2
+      replicas: 1
     write:
-      replicas: 2
+      replicas: 1
       persistence:
         size: 20Gi
         storageClass: openebs-hostpath

kubernetes/apps/observability/thanos/app/helmrelease.yaml

@@ -75,11 +75,11 @@ spec:
         storageClass: openebs-hostpath
         size: 10Gi
     query:
-      replicas: 2
+      replicas: 1
       extraArgs: ["--alert.query-url=https://thanos.jahanson.tech"]
     queryFrontend:
       enabled: true
-      replicas: 2
+      replicas: 1
       extraEnv: &extraEnv
         - name: THANOS_CACHE_CONFIG
           valueFrom:
@@ -98,7 +98,7 @@ spec:
         configmap.reloader.stakater.com/reload: *configMap
     rule:
       enabled: true
-      replicas: 2
+      replicas: 1
       extraArgs: ["--web.prefix-header=X-Forwarded-Prefix"]
       alertmanagersConfig:
         value: |-
@@ -120,7 +120,7 @@ spec:
                     severity: critical
       persistence: *persistence
     storeGateway:
-      replicas: 2
+      replicas: 1
       extraEnv: *extraEnv
       extraArgs: ["--index-cache.config=$(THANOS_CACHE_CONFIG)"]
       persistence: *persistence

kubernetes/apps/observability/vector/app/aggregator/helmrelease.yaml

@@ -26,7 +26,7 @@ spec:
   values:
     controllers:
       vector-aggregator:
-        replicas: 2
+        replicas: 1
         strategy: RollingUpdate
         annotations:
           reloader.stakater.com/auto: "true"

kubernetes/apps/rook-ceph/rook-ceph/cluster/helmrelease.yaml

@@ -49,6 +49,7 @@ spec:
       bdev_enable_discard = true
       bdev_async_discard = true
       osd_class_update_on_start = false
+      osd_pool_default_size = 1
     cephClusterSpec:
       network:
         provider: host
@@ -63,20 +64,7 @@ spec:
       storage:
         useAllNodes: true
         useAllDevices: false
-        deviceFilter: "xvdb|nvme1n1|nvme0n1"
+        deviceFilter: "nvme2n1"
-      placement:
-        mgr: &placement
-          nodeAffinity:
-            requiredDuringSchedulingIgnoredDuringExecution:
-              nodeSelectorTerms:
-                - matchExpressions:
-                    - key: node-role.kubernetes.io/control-plane
-                      operator: Exists
-          tolerations: # allow mgr to run on control plane nodes
-            - key: node-role.kubernetes.io/control-plane
-              operator: Exists
-              effect: NoSchedule
-        mon: *placement
       resources:
         mgr:
           requests:
@@ -103,8 +91,6 @@ spec:
       - name: ceph-blockpool
         spec:
           failureDomain: host
-          replicated:
-            size: 3
         storageClass:
           enabled: true
           name: ceph-block
@@ -130,12 +116,8 @@ spec:
       - name: ceph-filesystem
         spec:
           metadataPool:
-            replicated:
-              size: 3
           dataPools:
             - failureDomain: host
-              replicated:
-                size: 3
               name: data0
           metadataServer:
             activeCount: 1
@@ -171,13 +153,8 @@ spec:
         spec:
           metadataPool:
             failureDomain: host
-            replicated:
-              size: 3
           dataPool:
             failureDomain: host
-            erasureCoded:
-              dataChunks: 2
-              codingChunks: 1
           preservePoolsOnDelete: true
           gateway:
             port: 80

kubernetes/apps/security/external-secrets/app/helmrelease.yaml

@@ -18,7 +18,7 @@ spec:
         namespace: flux-system
   values:
     installCRDs: true
-    replicaCount: 3
+    replicaCount: 1
     leaderElect: true
     serviceMonitor:
       enabled: true

kubernetes/templates/postgres-database/postgresCluster.yaml

@@ -34,7 +34,7 @@ spec:
       metadata:
         labels:
           app.kubernetes.io/name: pgo-${APP}
-      replicas: 2
+      replicas: 1
       dataVolumeClaimSpec:
         storageClassName: openebs-hostpath
         accessModes:

kubernetes/tools/wipeone.yaml

@@ -3,19 +3,19 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: disk-wipe-one
-  namespace: rook-ceph
+  namespace: kube-system
 spec:
   restartPolicy: Never
-  nodeName: talos-ltk-p4a
+  nodeName: shadowfax
   containers:
     - name: disk-wipe
-      image: ghcr.io/onedr0p/alpine:3.19.1@sha256:3fbc581cb0fe29830376161ae026e2a765dcc11e1747477fe9ebf155720b8638
+      image: docker.io/library/alpine:3.19.1
       securityContext:
         privileged: true
       resources: {}
       env:
         - name: CEPH_DISK
-          value: "/dev/xvdb"
+          value: "/dev/nvme2n1"
       command:
         [
           "/bin/sh",
@@ -34,4 +34,3 @@ spec:
     - name: host-var
       hostPath:
         path: /var
-

kubernetes/tools/wiperook.yaml

@@ -9,7 +9,7 @@ spec:
   nodeName: talos-fki-fmf
   containers:
     - name: disk-wipe
-      image: ghcr.io/onedr0p/alpine:3.19.1@sha256:3fbc581cb0fe29830376161ae026e2a765dcc11e1747477fe9ebf155720b8638
+      image: docker.io/library/alpine:3.19.1
       securityContext:
         privileged: true
       resources: {}
@@ -46,7 +46,7 @@ spec:
   nodeName: talos-xuc-f2e
   containers:
     - name: disk-wipe
-      image: ghcr.io/onedr0p/alpine:3.19.1@sha256:3fbc581cb0fe29830376161ae026e2a765dcc11e1747477fe9ebf155720b8638
+      image: docker.io/library/alpine:3.19.1
       securityContext:
         privileged: true
       resources: {}
@@ -83,7 +83,7 @@ spec:
   nodeName: talos-opy-6ij
   containers:
     - name: disk-wipe
-      image: ghcr.io/onedr0p/alpine:3.19.1@sha256:3fbc581cb0fe29830376161ae026e2a765dcc11e1747477fe9ebf155720b8638
+      image: docker.io/library/alpine:3.19.1
       securityContext:
         privileged: true
       resources: {}