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fvigotti/waitFor | bash

Created June 1, 2016 15:25
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waitFor | bash
#credits : https://raw.githubusercontent.com/meteorhacks/kube-init/master/kube-init.sh
waitFor() {
cmd=$1
while [ 1 ]; do
ok=$(eval $cmd)
if [ "$ok" ]; then
break
fi
sleep 1
done
}
# usage sample :
waitFor "wget -qO- http://127.0.0.1:4001/version | grep etcd"
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