Cherry-pick #20400 to 7.x: New agent structure (symlinks) #20960

Merged

michalpristas merged 5 commits intoelastic:7.xfrom michalpristas:backport_20400_7.x

Sep 22, 2020

+1,286-119

Commits on Sep 3, 2020

[Ingest Manager] New agent structure (symlinks) (elastic#20400 )
michalpristas
committed

Commits on Sep 5, 2020

Commits on Sep 22, 2020

[Ingest Manager] Support for UPGRADE_ACTION (elastic#21002 )
michalpristas
committed
Merge branch '7.x' of github.com:elastic/beats into backport_20400_7.x
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