Diamond is a python daemon that collects system metrics and publishes them to Graphite (and others). It is capable of collecting cpu, memory, network, i/o, load and disk metrics. Additionally, it features an API for implementing custom collectors for gathering metrics from almost any source.
Coverage remained the same at 24.667% when pulling ad3862d76c583f9ec623758344165da11cef8c62 on bhepple:patch-1 into 56d0cd10110d9000b7a8d6f9b970066f24be11d7 on python-diamond:master.
os.initgroups() is new in python27
see https://github.com/python-diamond/Diamond/issues/638