Changelog:
c60a7ad infra: support log rotation for tcmu-runner
fbc3753 container: add optional http(s) proxy option
13fb83f ceph-prometheus: update pool stat counter
05d4e76 switch2container: chown symlink for devices
dac0415 switch2container: remove deb systemd units
fd0b949 ansible: bump to ansible 2.9
a88f911 purge: remove potential socket leftover
f31258d tests: do not run node_exporter test on clients
5cbbc90 node-exporter: exclude client nodes