*TODO: Files with sensitive data; move to Vault* ``` # line 6-8: services/Guacamole/configMap_Guacamole.yml ``` # Kubernetes.K3s.installLog *3 VM's provisioned with Ubuntu Server 18.04* ## K3s cluster On first node: ``` curl -sfL https://get.k3s.io | sh -s - --no-deploy traefik cat /var/lib/rancher/k3s/server/token kubectl config view --raw ``` On subsequent nodes: ``` curl -sfL https://get.k3s.io | K3S_URL=https://:6443 K3S_TOKEN= sh - ``` ### 0) Configure automatic updates Install Rancher's [System Upgrade Controller](https://rancher.com/docs/k3s/latest/en/upgrades/automated/): ``` kubectl apply -f https://github.com/rancher/system-upgrade-controller/releases/download/v0.6.2/system-upgrade-controller.yaml ``` Apply a [server (master node)](https://code.spamasaurus.com/djpbessems/Kubernetes.K3s.installLog/src/branch/master/system/UpgradeController/plan-Server.yml) and [agent (worker node)](https://code.spamasaurus.com/djpbessems/Kubernetes.K3s.installLog/src/branch/master/system/UpgradeController/plan-Agent.yml) plan: ``` kubectl apply -f system/UpgradeController/plan-Server.yml -f system/UpgradeController/plan-Agent.yml ``` ### 1) Persistent storage #### 1.1) `storageClass` for SMB (CIFS): See https://github.com/kubernetes-csi/csi-driver-smb: ``` curl -skSL https://raw.githubusercontent.com/kubernetes-csi/csi-driver-smb/master/deploy/install-driver.sh | bash -s master -- ``` Store credentials in `secret`: ``` kubectl create secret generic smb-credentials --from-literal username=<> --from-literal domain=<> --from-literal password=<> ``` #### 1.2) `flexVolume` for SMB (CIFS): ``` curl -Ls https://github.com/juliohm1978/kubernetes-cifs-volumedriver/blob/master/install.yaml -o storage/flexVolSMB/daemonSet-flexVolSMB.yml ``` Override drivername to something more sensible (see [storage/flexVolSMB/daemonSet-flexVolSMB.yml](https://code.spamasaurus.com/djpbessems/Kubernetes.K3s.installLog/src/branch/master/storage/flexVolSMB/daemonSet-flexVolSMB.yml)) ``` spec: template: spec: containers: - image: juliohm/kubernetes-cifs-volumedriver-installer:2.0 ... env: - name: VENDOR value: mount - name: DRIVER value: smb ... ``` Perform installation: ``` kubectl apply -f storage/flexVolSMB/daemonSet-flexVolSMB.yml ``` Wait for installation to complete (check logs of all installer-pods), then delete `daemonSet`: ``` kubectl delete -f storage/flexVolSMB/daemonSet-flexVolSMB.yml ``` Store credentials in `secret`: ``` kubectl create secret generic --type=mount/smb smb-secret --from-literal=username=<> --from-literal=password=<> ``` #### 1.3) `storageClass` for distributed block storage: See [Longhorn Helm Chart](https://longhorn.io/): ``` kubectl create namespace longhorn-system helm repo add longhorn https://charts.longhorn.io helm install longhorn longhorn/longhorn --namespace longhorn-system --values=storage/Longhorn/chart-values.yml ``` Expose Longhorn's dashboard through `IngressRoute`: ``` kubectl apply -f storage/Longhorn/ingressRoute-Longhorn.yml ``` Add additional `storageClass` with backup schedule: ***After** specifying a NFS backup target (syntax: `nfs://servername:/path/to/share`) through Longhorn's dashboard* ``` kind: StorageClass apiVersion: storage.k8s.io/v1 metadata: name: longhorn-dailybackup provisioner: driver.longhorn.io allowVolumeExpansion: true parameters: numberOfReplicas: "3" staleReplicaTimeout: "2880" fromBackup: "" recurringJobs: '[{"name":"backup", "task":"backup", "cron":"0 0 * * *", "retain":14}]' ``` Then make this the new default `storageClass`: ``` kubectl patch storageclass longhorn-dailybackup -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}' kubectl patch storageclass local-path -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"false"}}}' kubectl delete storageclass longhorn ``` ### 2) Ingress Controller ##### 2.1) Create `configMap`, `secret` and `persistentVolumeClaim` The `configMap` contains Traefik's static and dynamic config: ``` kubectl apply -f ingress/Traefik2.x/configMap-Traefik.yml ``` The `secret` contains credentials for Cloudflare's API: ``` kubectl create secret generic traefik-cloudflare --from-literal=CF_API_EMAIL=<> --from-literal=CF_API_KEY=<> --namespace kube-system ``` The `persistentVolumeClaim` will contain `/data/acme.json` (referenced as `existingClaim`): ``` kubectl apply -f ingress/Traefik2.x/persistentVolumeClaim-Traefik.yml ``` ##### 2.2) Install Helm Chart See [Traefik 2.x Helm Chart](https://github.com/containous/traefik-helm-chart): ``` helm repo add traefik https://containous.github.io/traefik-helm-chart helm repo update helm install traefik traefik/traefik --namespace kube-system --values=ingress/Traefik2.x/chart-values.yml ``` ##### 2.3) Replace `IngressRoute` for Traefik's dashboard: ``` kubectl apply -f ingress/Traefik2.x/ingressRoute-Traefik.yaml kubectl delete ingressroute traefik-dashboard --namespace kube-system ``` ### 3) Secret management *Perform these steps **after** configuring persistent storage **and** ingress* ##### 3.1) Create `persistentVolume` and `ingressRoute` *Requires specifying a `uid` & `gid` in the flexvolSMB-`persistentVolume`* ``` kubectl create namespace vault kubectl apply -f services/Vault/persistentVolume-Vault.yml kubectl apply -f services/Vault/ingressRoute-Vault.yml ``` ##### 3.2) Install Helm Chart See [HashiCorp Vault](https://www.vaultproject.io/docs/platform/k8s/helm/run): ``` helm repo add hashicorp https://helm.releases.hashicorp.com helm repo update helm install vault hashicorp/vault --namespace vault --values=services/Vault/chart-values.yml ``` Configure Vault for use; - Enable Kubernetes authentication (see https://www.vaultproject.io/api-docs/auth/kubernetes) - Store basic access policy template - Enable `kv`-engine ``` # kubectl exec -n vault -it vault-0 -- sh # It might be necessary to first login with an existing token: # vault login vault auth enable kubernetes vault write auth/kubernetes/config \ token_reviewer_jwt="$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" \ kubernetes_host=https://${KUBERNETES_PORT_443_TCP_ADDR}:443 \ kubernetes_ca_cert=@/var/run/secrets/kubernetes.io/serviceaccount/ca.crt cat < /home/vault/app-policy.hcl path "secret*" { capabilities = ["read"] } EOF vault secrets enable -path=secret -version=2 kv ``` ### 4) Services ##### 4.1) [Adminer](https://www.adminer.org/) (SQL management) ``` kubectl apply -f services/Adminer/configMap-Adminer.yml kubectl apply -f services/Adminer/deploy-Adminer.yml ``` Vault configuration: ``` vault kv put secret/adminer \ sqlitepw= vault write auth/kubernetes/role/adminer \ bound_service_account_names=adminer \ bound_service_account_namespaces=default \ policies=adminer \ ttl=1h vault policy write adminer /home/vault/app-policy.hcl ``` ##### 4.2) [Bitwarden_rs](https://github.com/dani-garcia/bitwarden_rs) (password manager) *Requires [mount.cifs](https://linux.die.net/man/8/mount.cifs)' option `nobrl`* ``` kubectl apply -f services/Bitwarden/deploy-Bitwarden.yml ``` Vault configuration: ``` vault kv put secret/bitwarden \ admintoken= \ yubicoclientid= \ yubicosecretkey= vault write auth/kubernetes/role/bitwarden \ bound_service_account_names=bitwarden \ bound_service_account_namespaces=default \ policies=bitwarden \ ttl=1h vault policy write bitwarden /home/vault/app-policy.hcl ``` ##### 4.3) [DroneCI](https://drone.io/) (contineous delivery) ``` kubectl apply -f services/DroneCI/deploy-DroneCI.yml ``` Vault configuration: ``` vault kv put secret/drone \ rpcsecret= \ giteaclientid= \ giteaclientsecret= vault write auth/kubernetes/role/drone \ bound_service_account_names=drone \ bound_service_account_namespaces=default \ policies=drone \ ttl=1h vault policy write drone /home/vault/app-policy.hcl ``` ##### 4.4) [Gitea](https://gitea.io/) (git repository) ``` kubectl apply -f services/Gitea/deploy-Gitea.yml ``` ##### 4.5) [Gotify](https://gotify.net/) (notifications) ``` kubectl apply -f services/Gotify/deploy-Gotify.yml ``` ##### 4.6) [Guacamole](https://guacamole.apache.org/doc/gug/guacamole-docker.html) (remote desktop gateway) *Requires specifying a `uid` & `gid` in both the `securityContext` of the MySQL container and the `persistentVolume`* ``` kubectl apply -f services/Guacamole/configMap-Guacamole.yml kubectl apply -f services/Guacamole/deploy-Guacamole.yml ``` Wait for the included containers to start, then perform the following commands to initialize the database: ``` kubectl exec -i guacamole- --container guacamole -- /opt/guacamole/bin/initdb.sh --mysql > initdb.sql kubectl exec -i guacamole- --container mysql -- mysql -uguacamole -pguacamole guacamole < initdb.sql kubectl rollout restart deployment guacamole ``` ##### 4.7) [Lighttpd](https://www.lighttpd.net/) (webserver) *Serves various semi-containerized websites; respective webcontent is stored on fileshare* ``` kubectl apply -f services/Lighttpd/configMap-Lighttpd.yml kubectl apply -f services/Lighttpd/deploy-Lighttpd.yml kubectl apply -f services/Lighttpd/cronJob-Spotweb.yml ``` ##### 4.8) PVR `namespace` (automated media management) *Containers use shared resources to be able to interact with downloaded files* ``` kubectl create secret generic --type=mount/smb smb-secret --from-literal=username=<> --from-literal=password=<> -n pvr kubectl apply -f services/PVR/persistentVolumeClaim-PVR.yml kubectl apply -f services/PVR/storageClass-PVR.yml ``` ###### 4.8.1) [NZBHydra](https://github.com/theotherp/nzbhydra2) (index aggregator) ``` kubectl apply -f services/PVR/deploy-NZBHydra.yml ``` ###### 4.8.2) [Plex](https://www.plex.tv/) (media library) *Due to usage of symlinks, partially incompatible with SMB-share-backed storage* ``` kubectl apply -f services/PVR/deploy-Plex.yml ``` After deploying, Plex server needs to be *claimed* (=assigned to Plex-account): ``` kubectl get endpoints Plex -n PVR ``` Browse to the respective IP address (http://:32400/web) and follow instructions. ###### 4.8.3) [Radarr](https://radarr.video/) (movie management) ``` kubectl apply -f services/PVR/deploy-Radarr.yml ``` ###### 4.8.4) [Readarr](https://readarr.com/) (book management) ``` kubectl apply -f services/PVR/deploy-Readarr.yml ``` ###### 4.8.5) [SABnzbd](https://sabnzbd.org/) (download client) ``` kubectl apply -f services/PVR/deploy-SABnzbd.yml ``` ###### 4.8.6) [Sonarr](https://sonarr.tv/) (tv management) ``` kubectl apply -f services/PVR/deploy-Sonarr.yml ``` ##### 4.9) [Shaarli](https://github.com/shaarli/Shaarli) (bookmarks/notes) ``` kubectl apply -f services/Shaarli/deploy-Shaarli.yml ``` ##### 4.10) [Theia](https://theia-ide.org/) (web IDE) ``` kubectl apply -f services/Theia/deploy-Theia.yml ``` ##### 4.11) [Traefik-Certs-Dumper](https://github.com/ldez/traefik-certs-dumper) (certificate tooling) ``` kubectl apply -f services/TraefikCertsDumper/deploy-TraefikCertsDumper.yml ``` ### 5) Miscellaneous *Various notes/useful links* * Replacement for [not-yet-deprecated](https://github.com/kubernetes/kubectl/issues/151) `kubectl get all -A`: kubectl get $(kubectl api-resources --verbs=list -o name | paste -sd, -) --ignore-not-found --all-namespaces * `DaemonSet` to configure nodes' **sysctl** `fs.inotify.max-user-watches`: kubectl apply -f system/InotifyMaxWatchers/daemonSet-InotifyMaxWatchers.yml