Merge pull request #111 from ernestas-poskus/bump/prometheus_to_2_25_1

bump: prometheus to 2.25.1

Merge pull request #105 from open-craft/shimulch/bb-3847

Add LimitNOFILE in prometheus.service

Merge pull request #102 from ernestas-poskus/features/bump_push_gatew…

…ay_to_1_0_0

Bump push gateway to 1.0.0

Merge pull request #100 from ernestas-poskus/features/bump_prometheus…

…_to_2_13_0

Bump prometheus to 2.13.0

Merge pull request #95 from ernestas-poskus/features/bump_alert_manag…

…er_to_0_18_0

Bump alert manager to 0.18.0

Merge pull request #94 from ernestas-poskus/readme/use_absolute_links…

…_for_docs

Readme/use absolute links for docs

Merge pull request #92 from ernestas-poskus/run_linter

Run ansible-lint and yamllint

Merge pull request #91 from ernestas-poskus/bump/prometheus_to_2_9_2

Bump prometheus to 2.9.2

Merge pull request #89 from ernestas-poskus/bump/snmp_exporter_to_0_15_0

Bump snmp exporter to 0.15.0

Merge pull request #85 from madeinoz67/master

fixes check-mode failing, adds travis test for check-mode