added a 'report missing' feature

[wardellc]

Added a "report.missing" command line option. When enabled this will report processes which are not running when process-exporter is first ran as having a num_procs of zero. E.g. if firefox isn't running when process-exporter is started and "firefox" is in a "comm" section, the following metric will be reported:

namedprocess_namegroup_num_procs{groupname="firefox"} 0

It uses the "name" field from the process-exporter config file and if the "name" field does not exist it uses all of the process names from the "comm" or "exe" arrays.

This provides a solution to this issue: #59

[rhamon]

Would like to use this feature, merge please!

[tiagokrebs]

Would be quite nice to have this feature

[shdxiang]

Expecting this feature

[rafernandez]

it'll be great with this feature, merge please ! in advance thanks

[jinnzy]

I modified it on this basis and changed it to report missing if there is report_missing in the configuration file, because some of my services need report missing, and some don’t
https://github.com/jinnzy/process-exporter

process_names:
  - name: auditd
    report_missing: true
    comm:
    - auditd
  - name: NetworkManager
    report_missing: true
    comm:
    - NetworkManager
  - name: puppet
    report_missing: true
    comm:
    - puppet
  - name: "zookeeper"
    comm:
      - "java"
    cmdline:
      - ".*zookeeper/bin.*"

[abhishekgupta-ontic]

@ncabatoff Any updates on this?

[Lemon-le]

@ncabatoff Any updates on this?

now ？

[chjohnst]

Very useful feature for us, we track about a half a dozen system level processes and if they fail to start on boot then we never whether they started or not. Can we get this merged @ncabatoff ?

[mdschmitt]

@wardellc , it looks like there are merge conflicts now. Mind fixing those and maybe @ncabatoff can merge this? I got caught by this after a reboot just like everyone else.. 😞

[silabeer]

Very expected feature =(

[kelleranu]

Would love this feature!