[Elastic Agent] Properly stop subprocess when receiving SIGTERM#19567

Merged

blakerouse merged 3 commits intoelastic:masterfrom blakerouse:agent-kill-subprocess

Jul 6, 2020

+113-4

Commits on Jul 1, 2020

Implement proper shutdown so spawned subprocesses are stopped correctly when Elastic Agent is signalled to stop.
blakerouse
committed
Swap shutdown order for fleet mode.
blakerouse
committed
Reorder stop in local_mode. Add to changelog.
blakerouse
committed