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b61171c21c
Author | SHA1 | Date | |
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b61171c21c | |||
ad310ae8d3 | |||
0c87d7c7ab | |||
52772ce8d1 | |||
e2765325fc | |||
9074dab74e | |||
4cc23e7acb | |||
e39863275f | |||
4ebc0b1069 | |||
0688846033 | |||
1ead67d10b | |||
451a992d8d |
@ -1,3 +1,11 @@
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## Setup
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Because minecraft is quite sensitive to io performance, we want the data to be stored on a local disk. But hostpath is not well supported in talos (and is not persistent), so we use an ephemeral volume instead. In order to do this, we create an emptyDir volume and mount it to the pod.
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We use an initContaier that copies the data to the local storage. Afterwards, copying from the local storage back to the persistent storage is handled by a preStop lifecycle event.
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This way, we can have the best of both worlds: fast local storage and persistent storage.
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## Sending a command
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```
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kubectl exec -it -n minecraft deploy/minecraft-server -- /bin/bash
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@ -9,6 +9,16 @@ spec:
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app: minecraft-server
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spec:
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restartPolicy: OnFailure
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initContainers:
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- name: copy-data-to-local
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image: alpine
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command: ["/bin/sh"]
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args: ["-c", "cp -r /data/* /local-data/"]
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volumeMounts:
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- name: local-data
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mountPath: /local-data
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- name: minecraft-data
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mountPath: /data
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containers:
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- name: minecraft-server
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image: minecraft
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@ -32,7 +42,7 @@ spec:
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name: curseforge-api
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key: key
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- name: CF_PAGE_URL
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value: "https://www.curseforge.com/minecraft/modpacks/vault-hunters-1-18-2/files/5925838"
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value: "https://www.curseforge.com/minecraft/modpacks/vault-hunters-1-18-2/files/6470811"
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- name: VERSION
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value: "1.18.2"
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- name: INIT_MEMORY
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@ -49,12 +59,34 @@ spec:
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value: "false"
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- name: ENABLE_AUTOSTOP
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value: "true"
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- name: AUTOSTOP_TIMEOUT_EST
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value: "1800" # stop 30 min after last disconnect
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volumeMounts:
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- name: minecraft-data
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- name: local-data
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mountPath: /data
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- name: copy-data-to-persistent
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image: rsync
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command: ["/bin/sh"]
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# args: ["-c", "sleep infinity"]
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args: ["/run-rsync.sh"]
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volumeMounts:
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- name: local-data
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mountPath: /local-data
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- name: minecraft-data
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mountPath: /persistent-data
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- name: rsync-config
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mountPath: /run-rsync.sh
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subPath: run-rsync.sh
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volumes:
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- name: minecraft-data
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persistentVolumeClaim:
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claimName: minecraft-data
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- name: local-data
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emptyDir: {}
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- name: rsync-config
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configMap:
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name: rsync-config
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defaultMode: 0777
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@ -8,6 +8,7 @@ resources:
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- pvc.yaml
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- job.yaml
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- service.yaml
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- rsync.configmap.yaml
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- curseforge.sealedsecret.yaml
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@ -15,3 +16,9 @@ images:
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- name: minecraft
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newName: itzg/minecraft-server
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newTag: java21
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- name: alpine
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newName: alpine
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newTag: "3.21"
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- name: rsync
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newName: eeacms/rsync
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newTag: "2.6"
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42
apps/minecraft/rsync.configmap.yaml
Normal file
42
apps/minecraft/rsync.configmap.yaml
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@ -0,0 +1,42 @@
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: rsync-config
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data:
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run-rsync.sh: |-
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#!/bin/sh
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set -eu
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echo "Starting rsync..."
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no_change_count=0
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while [ "$no_change_count" -lt 3 ]; do
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# use the i flag to get per line output of each change
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rsync_output=$(rsync -avzi --delete /local-data/ /persistent-data/)
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# echo "$rsync_output"
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# in this format rsync outputs at least 4 lines:
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# ---
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# sending incremental file list
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#
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# sent 145,483 bytes received 717 bytes 26,581.82 bytes/sec
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# total size is 708,682,765 speedup is 4,847.35
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# ---
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# even though a non-zero number of bytes is sent, no changes were made
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line_count=$(echo "$rsync_output" | wc -l)
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if [ "$line_count" -eq 4 ]; then
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echo "Rsync output was: $rsync_output"
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no_change_count=$((no_change_count + 1))
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echo "No changes detected. Incrementing no_change_count to $no_change_count."
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else
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no_change_count=0
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echo "Changes detected. Resetting no_change_count to 0."
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fi
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echo "Rsync completed. Sleeping for 10 minutes..."
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sleep 600
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done
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echo "No changes detected for 3 consecutive runs. Exiting."
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@ -21,7 +21,7 @@ helmCharts:
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- name: redis
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releaseName: redis
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repo: https://charts.bitnami.com/bitnami
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version: 20.13.0
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version: 20.13.2
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valuesInline:
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auth:
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enabled: false
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48
apps/stump/deployment.yaml
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48
apps/stump/deployment.yaml
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@ -0,0 +1,48 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: stump
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: stump
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template:
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metadata:
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labels:
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app: stump
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spec:
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containers:
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- name: stump
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image: stump
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resources:
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requests:
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memory: "64Mi"
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cpu: "250m"
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limits:
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memory: "128Mi"
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cpu: "500m"
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ports:
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- containerPort: 10801
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envFrom:
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- configMapRef:
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name: stump-config
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volumeMounts:
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- name: stump-data
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mountPath: /data
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- name: stump-config
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mountPath: /config
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volumes:
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- name: stump-config
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persistentVolumeClaim:
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claimName: stump-config
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- name: stump-data
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persistentVolumeClaim:
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claimName: stump-data
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17
apps/stump/ingress.yaml
Normal file
17
apps/stump/ingress.yaml
Normal file
@ -0,0 +1,17 @@
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apiVersion: traefik.io/v1alpha1
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kind: IngressRoute
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metadata:
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name: stump-ingressroute
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spec:
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entryPoints:
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- websecure
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routes:
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- match: Host(`stump.kluster.moll.re`)
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kind: Rule
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services:
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- name: stump-web
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port: 10801
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tls:
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certResolver: default-tls
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17
apps/stump/kustomization.yaml
Normal file
17
apps/stump/kustomization.yaml
Normal file
@ -0,0 +1,17 @@
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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resources:
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- namespace.yaml
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- pvc.yaml
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- stump-config.configmap.yaml
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- deployment.yaml
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- service.yaml
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- ingress.yaml
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namespace: stump
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images:
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- name: stump
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newName: aaronleopold/stump
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newTag: "0.0.10"
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4
apps/stump/namespace.yaml
Normal file
4
apps/stump/namespace.yaml
Normal file
@ -0,0 +1,4 @@
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apiVersion: v1
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kind: Namespace
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metadata:
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name: placeholder
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23
apps/stump/pvc.yaml
Normal file
23
apps/stump/pvc.yaml
Normal file
@ -0,0 +1,23 @@
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kind: PersistentVolumeClaim
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apiVersion: v1
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metadata:
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name: stump-data
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spec:
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storageClassName: "nfs-client"
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 10Gi
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---
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kind: PersistentVolumeClaim
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apiVersion: v1
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metadata:
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name: stump-config
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spec:
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storageClassName: "nfs-client"
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 10Gi
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10
apps/stump/service.yaml
Normal file
10
apps/stump/service.yaml
Normal file
@ -0,0 +1,10 @@
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apiVersion: v1
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kind: Service
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metadata:
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name: stump-web
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spec:
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selector:
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app: stump
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ports:
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- port: 10801
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targetPort: 10801
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8
apps/stump/stump-config.configmap.yaml
Normal file
8
apps/stump/stump-config.configmap.yaml
Normal file
@ -0,0 +1,8 @@
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: stump-config
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data:
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STUMP_ENABLE_UPLOAD: "true"
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STUMP_CONFIG_DIR: /config
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ENABLE_KOREADER_SYNC: "true"
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@ -29,5 +29,5 @@ helmCharts:
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- name: prometheus-node-exporter
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releaseName: prometheus-node-exporter
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repo: https://prometheus-community.github.io/helm-charts
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version: 4.45.2
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version: 4.45.3
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valuesFile: prometheus-node-exporter.values.yaml
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@ -13,6 +13,6 @@ namespace: traefik-system
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helmCharts:
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- name: traefik
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releaseName: traefik
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version: 35.0.1
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version: 35.2.0
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valuesFile: values.yaml
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repo: https://traefik.github.io/charts
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@ -41,5 +41,6 @@ resources:
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- paperless/
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- recipes/
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- rss/
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- stump/
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- todos/
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- whoami/
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18
kluster-deployments/stump/application.yaml
Normal file
18
kluster-deployments/stump/application.yaml
Normal file
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apiVersion: argoproj.io/v1alpha1
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kind: Application
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metadata:
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name: stump-application
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spec:
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project: apps
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destination:
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server: https://kubernetes.default.svc
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namespace: stump
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syncPolicy:
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automated:
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prune: true
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selfHeal: true
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sources:
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- repoURL: ssh://git@git.kluster.moll.re:2222/remoll/k3s-infra.git
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targetRevision: main
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path: apps/stump
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4
kluster-deployments/stump/kustomization.yaml
Normal file
4
kluster-deployments/stump/kustomization.yaml
Normal file
@ -0,0 +1,4 @@
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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resources:
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- application.yaml
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