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‎charts/longhorn/README.md‎

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### How to configure disks for LH
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As of now, we follow the same approach we use for `/docker` folder (via ansible playbook) but we use `/longhorn` folder name
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Manual configuration performed (to be moved to ansible)
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1. Create partition on the disk
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* e.g. via using `fdisk` https://phoenixnap.com/kb/linux-create-partition
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2. Format partition as XFS
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* `sudo mkfs.xfs -f /dev/sda1`
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3. Mount partition `sudo mount -t xfs /dev/sda1 /longhorn`
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4. Persist mount in `/etc/fstab` by adding line
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* `UUID=<partition's uuid> /longhorn xfs pquota 0 0`
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* UUID can be received from `lsblk -f`
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Issue asking LH to clearly document requirements: https://github.com/longhorn/longhorn/issues/11125
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Resource requirements:
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* https://github.com/longhorn/longhorn/issues/1691
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### (Kubernetes) Node maintenance
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https://longhorn.io/docs/1.8.1/maintenance/maintenance/
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Note: you can use Longhorn GUI to perform some operations
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### Zero downtime updating longhorn disks (procedure)
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Notes:
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* Update one node at a time so that other nodes can still serve data
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1. Go to LH GUI and select a Node
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1. Disable scheduling
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2. Request eviction
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1. Remove disk from the node
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* If remove icon is disabled, disable eviction on disk to enable the remove button
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2. Perform disks updates on the node
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3. Make sure LH didn't pick up wrongly configured disk in the meantime and remove the wrong disk if it did so
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4. Wait till LH automatically adds the disk to the Node

‎charts/topolvm/README.md‎

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## topolvm components and architecture
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See diagram https://github.com/topolvm/topolvm/blob/topolvm-chart-v15.5.5/docs/design.md
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## Preqrequisites
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`topolvm` does not automatically creates Volume Groups (specified in device-classes). This needs to be configured additionally (e.g. manually, via ansible, ...)
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Manual example (Ubuntu 22.04):
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1. Create partition to use later (`sudo fdisk /dev/sda`)
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2. Create PV (`sudo pvcreate /dev/sda2`)
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* Prerequisite: `sudo apt install lvm2`
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3. Create Volume group (`sudo vgcreate topovg-sdd /dev/sda2`)
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* Note: Volume group's name must correspond to the setting of `volume-group` inside `lvmd.deviceClasses`
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4. Check volume group (`sudo vgdisplay`)
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Source: https://github.com/topolvm/topolvm/blob/topolvm-chart-v15.5.5/docs/getting-started.md#prerequisites
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## Deleting PV(C)s with `retain` reclaim policy
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1. Delete release (e.g. helm uninstall -n test test)
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2. Find LogicalVolume CR (`kubectl get logicalvolumes.topolvm.io`
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3. Delete LogicalVolume CR (`kubectl delete logicalvolumes.topolvm.io <lv-name>`)
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4. Delete PV (`kubectl delete PV <pv-name>`)
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## Backup / Snapshotting
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1. Only possible while using thin provisioning
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2. We use thick (non-thin provisioned) volumes --> no snapshot support
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Track this feature request for changes https://github.com/topolvm/topolvm/issues/1070
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Note: there might be alternative not documented ways (e.g. via Velero)
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## Resizing PVs
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1. Update storage capacity in configuration
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2. Deploy changes
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Note: storage size can only be increased. Otherwise, one gets `Forbidden: field can not be less than previous value` error
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## Node maintenance
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Read https://github.com/topolvm/topolvm/blob/topolvm-chart-v15.5.5/docs/node-maintenance.md
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## Using topolvm. Notes
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* `topolvm` may not work with pods that define `spec.nodeName` Use node affinity instead
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https://github.com/topolvm/topolvm/blob/main/docs/faq.md#the-pod-does-not-start-when-nodename-is-specified-in-the-pod-spec

‎charts/topolvm/values.yaml.gotmpl‎

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lvmd:
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# set up lvmd service with DaemonSet
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managed: true
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# device classes (VGs) need to be created outside of topolvm (e.g. manually, via ansible, ...)
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deviceClasses:
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- name: ssd
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volume-group: topovg-sdd
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default: true
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spare-gb: 5
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storageClasses:
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- name: {{ .Values.topolvmStorageClassName }}
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storageClass:
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# Want to use non-default device class?
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# See configuration example in
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# https://github.com/topolvm/topolvm/blob/topolvm-chart-v15.5.5/docs/snapshot-and-restore.md#set-up-a-storage-class
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fsType: xfs
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isDefaultClass: false
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# volumeBindingMode can be either WaitForFirstConsumer or Immediate. WaitForFirstConsumer is recommended because TopoLVM cannot schedule pods wisely if volumeBindingMode is Immediate.
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volumeBindingMode: WaitForFirstConsumer
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allowVolumeExpansion: true
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# NOTE: On removal requires manual clean up of PVs, LVMs
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# and Logical Volumes (CR logicalvolumes.topolvm.io).
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# Removal Logical Volume (CR) would clean up the LVM on the node,
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# but PV has still to be removed manually.
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# Read more: https://github.com/topolvm/topolvm/blob/topolvm-chart-v15.5.5/docs/advanced-setup.md#storageclass
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reclaimPolicy: Retain
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resources:
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topolvm_node:
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requests:
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memory: 100Mi
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cpu: 100m
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limits:
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memory: 500Mi
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cpu: 500m
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topolvm_controller:
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requests:
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memory: 50Mi
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cpu: 50m
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limits:
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memory: 200Mi
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cpu: 200m
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lvmd:
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requests:
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memory: 100Mi
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cpu: 100m
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limits:
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memory: 500Mi
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cpu: 500m
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csi_registrar:
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requests:
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cpu: 25m
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memory: 10Mi
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limits:
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cpu: 200m
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memory: 200Mi
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csi_provisioner:
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requests:
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memory: 50Mi
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cpu: 50m
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limits:
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memory: 200Mi
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cpu: 200m
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csi_resizer:
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requests:
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memory: 50Mi
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cpu: 50m
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limits:
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memory: 200Mi
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cpu: 200m
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csi_snapshotter:
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requests:
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memory: 50Mi
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cpu: 50m
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limits:
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memory: 200Mi
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cpu: 200m
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liveness_probe:
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requests:
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cpu: 25m
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memory: 10Mi
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limits:
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cpu: 200m
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memory: 200Mi
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# https://github.com/topolvm/topolvm/blob/topolvm-chart-v15.5.5/docs/topolvm-scheduler.md
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scheduler:
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# start simple
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enabled: false
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cert-manager:
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# start simple
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enabled: false
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snapshot:
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enabled: true

‎charts/victoria-logs/values.ebs-storage.yaml.gotmpl‎

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server:
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persistentVolume:
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enabled: true
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storageClassName: "{{ .Values.ebsStorageClassName }}"
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size: 10Gi

‎charts/victoria-logs/values.topolvm-storage.yaml.gotmpl‎

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server:
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persistentVolume:
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enabled: true
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storageClassName: "{{ .Values.topolvmStorageClassName }}"
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size: 10Gi

‎charts/victoria-logs/values.yaml.gotmpl‎

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- /logs
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pathType: Prefix
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persistentVolume:
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enabled: true
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storageClassName: "{{ .Values.ebsStorageClassName }}"
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size: 10Gi
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nodeSelector:
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ops: "true"
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‎scripts/deployments/start_simcore_locally.bash‎

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# IF GETREPO DOESNT EXIST
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if [ ! -d osparc-simcore ]; then
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export GIT_SIMCORE_REPO_URL="https://github.com/ITISFoundation/osparc-simcore.git"
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git clone "$GIT_SIMCORE_REPO_URL"
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git clone --depth 1 "$GIT_SIMCORE_REPO_URL"
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fi
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# FI
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#

‎services/adminer/docker-compose.yml‎

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deploy:
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labels:
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- traefik.enable=true
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- traefik.docker.network=${PUBLIC_NETWORK}
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- traefik.swarm.network=${PUBLIC_NETWORK}
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- traefik.http.services.adminer_simcore.loadbalancer.server.port=8080
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- traefik.http.routers.adminer_simcore.rule=Host(`${MONITORING_DOMAIN}`) && PathPrefix(`/adminer/simcore`)
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- traefik.http.routers.adminer_simcore.entrypoints=https

‎services/metabase/docker-compose.yml.j2‎

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- prometheus-port=9191
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# TODO: add prometheus metrics
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- traefik.enable=true
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- traefik.docker.network=${PUBLIC_NETWORK}
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- traefik.swarm.network=${PUBLIC_NETWORK}
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# router
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- traefik.http.routers.metabase.rule=Host(`${ADMIN_DOMAIN}`) && PathPrefix(`/metabase`)
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- traefik.http.routers.metabase.entrypoints=https

‎services/monitoring/.gitignore‎

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docker-compose.dalco.yml
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docker-compose.public.yml
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docker-compose.master.yml
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docker-compose.local.yml

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