longhorn/dev/scale-test/sample.sh
Joshua Moody f176517638 Add scale test scripts
scale-test.py is currently a work in progress and needs some additional
implementation for the data processing and analysis part.

Signed-off-by: Joshua Moody <joshua.moody@rancher.com>
2020-07-31 15:09:47 -07:00

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#!/bin/bash
requested=${1:-0}
node_count=${2:-1}
required_scale=$((requested / node_count))
now=$(date)
ready=$(kubectl get pods -o custom-columns=NAMESPACE:metadata.namespace,POD:metadata.name,PodIP:status.podIP,READY:status.containerStatuses[*].ready | grep -c true)
echo "$ready -- $now - start state"
cmd=$(kubectl scale --replicas="$required_scale" statefulset --all)
echo "$cmd"
while [ "$ready" -ne "$requested" ]; do
sleep 60
now=$(date)
ready=$(kubectl get pods -o custom-columns=NAMESPACE:metadata.namespace,POD:metadata.name,PodIP:status.podIP,READY:status.containerStatuses[*].ready | grep -c true)
echo "$ready -- $now - delta:"
done
echo "$requested -- $now - done state"