How to install:
brew tap elastic/tap
brew install elastic/tap/elasticsearch-full
From:
https://www.elastic.co/guide/en/elasticsearch/reference/current/brew.html
How to uninstall
#!/usr/bin/env sh
# checks to see if running
launchctl list | grep elasticsearch
launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.elasticsearch.plist
launchctl remove homebrew.mxcl.elasticsearch
pkill -f elasticsearch
rm -f ~/Library/LaunchAgents/homebrew.mxcl.elasticsearch.plist
brew uninstall elasticsearch
# double check existence
ls -al /usr/local/bin/elasticsearch*
ls -al ~/Library/LaunchAgentsFrom: