Logs

Logs location

Compute nova

/var/log/nova

Image Service glance

/var/log/glance

Block Storage cinder

/var/log/cinder

Identity service keystone

/var/log/keystone

Networking neutron

/var/log/neutron

Dashboard horizon

/var/log/apache2
or
/var/log/httpd

Orchestration service heat

/var/log/heat

Telemetry service ceilometer

/var/log/ceilometer

All nodes misc (swift, dnsmasq)

/var/log/syslog

Compute nodes libvirt

/var/log/libvirt/libvirtd.log

Compute nodes Console (boot upmessages) for VM instances

/var/lib/nova/instances/instance-/console.log

Block Storage nodes cinder-volume

/var/log/cinder/cinder-volume.log

Configure logs

/etc/nova/nova.conf
/etc/keystone/keystone.conf
/etc/glance/glance-api.conf
/etc/glance/glance-registry.conf
/etc/cinder/cinder.conf

debug = False
use_syslog = True
syslog_log_facility = LOG_LOCAL0