Various smaller updates on k8s folder

k8s/README.md

@@ -357,7 +357,7 @@ kubectl apply $(ls octobot-fabi/*.yaml | awk ' { print " -f " $1 } ')
 ```sh
 helm repo add nextcloud https://nextcloud.github.io/helm/
 helm repo update
-helm upgrade --install nextcloud nextcloud/nextcloud -n nextcloud --version 2.14.3 -f nextcloud/nextcloud.secret.yml
+helm upgrade --install nextcloud nextcloud/nextcloud -n nextcloud --version 3.0.0 -f nextcloud/nextcloud.secret.yml
 helm upgrade --install nextcloud-phpmyadmin bitnami/phpmyadmin -n nextcloud -f nextcloud/nextcloud-phpmyadmin.yml
 ```
 
@@ -383,16 +383,29 @@ Unknown why normal url is not working. See https://help.nextcloud.com/t/davx5-co
 
 #TODO with Velero
 
+## influxdb & mosquitto
 
-
-## fuel datalab
+## datalab
 
 ```sh
 helm repo add influxdata https://helm.influxdata.com/
-helm upgrade --install influxdb influxdata/influxdb --namespace datalab --values datalab/influxdb.yml
-helm upgrade --install telegraf influxdata/telegraf --namespace datalab --values datalab/telegraf.yml
+# influx stuff
+helm upgrade --install influxdb2 influxdata/influxdb2 --namespace datalab --values datalab/influxdb2.yml
+helm upgrade --install telegraf-operator influxdata/telegraf-operator --namespace datalab --values datalab/telegraf-operator.yml
+#
 helm repo add bitnami https://charts.bitnami.com/bitnami
 helm install postgres bitnami/postgresql --namespace datalab --values datalab/postgres.yml.secret
+#mqtt
+helm repo add TrueCharts https://charts.truecharts.org
+helm repo update
+helm upgrade --install mosquitto TrueCharts/mosquitto --namespace datalab --values datalab/mosquitto.yml
+```
+
+work with it
+
+```sh
+# retrieve admin password
+echo $(kubectl get secret influxdb2-auth -o "jsonpath={.data['admin-password']}" --namespace datalab | base64 --decode)
 ```
 
 Tear down: