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Not enough space on /opt/dynatrace/oneagent during oneagent installation on Kuberenetes (Minikube)



I'm trying to install one agent on Kubernates platform according to the documentation:

Deamonset created, pod is created and status is running

but Kubernetes couln't install agent on node due to problem with space on filesystem:

dynatrace@pc-1572:~$ kubectl logs -f dynatrace-oneagent-cfppz  --namespace=kube-system
13:25:43 Starting installer...
13:25:43 Checking root privileges...
13:25:43 OK
13:26:15 Installation started, version, build date: 06.12.2017, PID 13207.
13:26:15 Detected platform: LINUX arch: X86
13:26:16 Detected bitness: 64
13:26:18 /opt/dynatrace/oneagent is on /
13:26:18 Error: Free space on filesystem with /opt/dynatrace/oneagent: 0 KiB
13:26:18 Error: Not enough space on /opt/dynatrace/oneagent. Required free space: 868026 KiB

I have more than 20GB left on filesystem so it's not a reason. One agent installation without Kubernetes works fine, agent can connect to the Dynatrace server without any problem and it doesn't report any problem with space in the same location:

dynatrace@pc-1572:~$ sudo  /bin/sh  APP_LOG_CONTENT_ACCESS=1
05:21:41 Checking root privileges...
05:21:41 OK
05:21:44 Installation started, version, build date: 06.12.2017, PID 20511.
05:21:44 Detected platform: LINUX arch: X86
05:21:44 Detected bitness: 64
05:21:44 /opt/dynatrace/oneagent is on /
05:21:44 Extracting...
05:21:46 Unpacking. This may take a few minutes
05:23:29 Unpacking complete.
05:23:29 Moving new binaries into lib folders...
05:23:30 User dtuser already exists. No need to create it
05:23:30 Applying settings to file /opt/dynatrace/oneagent/agent/conf/ruxitagent.conf : Server =
05:23:30 Applying settings to file /opt/dynatrace/oneagent/agent/conf/ruxitagent.conf : Tenant = XXX
05:23:30 Applying settings to file /opt/dynatrace/oneagent/agent/conf/ruxitagent.conf : TenantToken
05:23:33 Verifying system compatibility...
05:23:33 OK
05:23:52 Starting agents...
05:23:52 oneagent service started
05:23:52 Checking if agent is connected to the server...
05:23:56 DynatraceOneAgent has successfully connected to Dynatrace Cluster Node .

I'm using minikube version v0.24.1 on Ubuntu 17.10.

Maybe someone have any idea what could go wrong during preparation on installation process?

Thanks in advance,



Dynatrace Champion
Dynatrace Champion

Hi Tomasz,

this is a known limitation of our installer and expected behavior.

We currently do not support Minikube because of incompatibility with the operating system installed within Minikube's VM. Minikube is a solution designated primarily for development purposes, not actual production deployments but if you feel that we should support it, please consider creating a RFE.



Hi Tomasz,

Thank you for explanation. It's not a production env so it is not necessary to support it right now, but good to know it is known limitation.

Thanks once again.


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