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troubleshooting.md

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Troubleshooting

This section contains solutions to common problems that may arise during the setup and usage of the plugin.

Debug Logging

Use the docker plugin ls command. $ docker plugin ls ID NAME DESCRIPTION ENABLED 8a4231e33dc8 simplivity:1.0 Docker Volume plugin for HPE SimpliVity true

Note the ID column in the output. Use this to glob the directory to the log of the plugin. less /var/lib/docker/plugins/8a4231e33dc8*/rootfs/var/log/hpe-flexvolume-plugin.log

Sometimes it is useful to get more verbose output from the plugin. To enable logging for REST calls made to SimpliVity Container Provider from Volume Plugin, add below flag

LOG_LEVEL=trace in 'docker plugin set <plugin_alias> SCOPE=<local/global> PLUGIN_TYPE=simplivity PROVIDER_IP=<Simplivity_CP_IP> PROVIDER_USERNAME=admin PROVIDER_PASSWORD=admin LOG_LEVEL=trace INSECURE=true PROVIDER_PORT=<Simplivity_CP_PORT>'

Logs for the plugin

Logs of plugin provides useful information on troubleshooting issue/error further. On Ubuntu, grep for the plugin id in the logs , where the plugin id can be identified by:

$ docker-runc list

Plugin logs will be available in system logs (e.g. /var/log/syslog on Ubuntu).

On RHEL and CentOS, issue journalctl -f -u docker.service to get the plugin logs.

Containerized Plugin

$docker logs -f <container id of Plugin>
Getting container id of plugin: docker ps -a | grep hpe