VishalandGitHub
3c4fdb0659
A utility for running individual or all tests on a Mac dev machine without changing the test script.
103 lines
3.6 KiB
Bash
Executable File
103 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# has 2 tests to verify the canary deployments - success scenario and a failure scenario
|
|
|
|
set -euo pipefail
|
|
|
|
id=""
|
|
ROOT=$(dirname $0)/../..
|
|
|
|
cleanup() {
|
|
fission env delete --name nodejs || true
|
|
fission fn delete --name fn-v1 || true
|
|
fission fn delete --name fn-v2 || true
|
|
fission fn delete --name fn-v3 || true
|
|
fission ht delete --name route-success || true
|
|
fission ht delete --name route-fail || true
|
|
fission canary-config delete --name canary-1 || true
|
|
fission canary-config delete --name canary-2 || true
|
|
}
|
|
|
|
trap cleanup EXIT
|
|
|
|
success_scenario() {
|
|
log "Creating nodejs env"
|
|
fission env create --name nodejs --image fission/node-env --graceperiod 1
|
|
|
|
log "Creating function version-1"
|
|
fission fn create --name fn-v1 --env nodejs --code $ROOT/examples/nodejs/hello.js
|
|
|
|
log "Creating function version-1"
|
|
fission fn create --name fn-v2 --env nodejs --code $ROOT/examples/nodejs/hello.js
|
|
|
|
log "Create a route for the version-1 of the function with weight 100% and version-2 with weight 0%"
|
|
fission route create --name route-success --method GET --url /success --function fn-v1 --weight 100 --function fn-v2 --weight 0
|
|
|
|
log "Create a canary config to gradually increment the weight of version-2 by a step of 50 every 1m"
|
|
fission canary-config create --name canary-1 --newfunction fn-v2 --oldfunction fn-v1 --httptrigger route-success --increment-step 50 --increment-interval 1m --failure-threshold 10
|
|
|
|
sleep 60
|
|
|
|
log "Fire requests to the route"
|
|
ab -n 300 -c 1 http://$FISSION_ROUTER/success
|
|
|
|
sleep 60
|
|
|
|
log "verify that version-2 of the function is receiving 100% traffic"
|
|
weight=`kubectl get httptrigger route-success -o jsonpath='{.spec.functionref.functionweights.fn-v2}'`
|
|
|
|
if [ "$weight" != "100" ]; then
|
|
log "weight of fn-v2 at the end of the test is $weight"
|
|
cleanup
|
|
exit 1
|
|
else
|
|
log "canary success scenario test passed"
|
|
fi
|
|
}
|
|
|
|
failure_scenario() {
|
|
cp $ROOT/examples/nodejs/hello.js hello_400.js
|
|
sed -i 's/200/400/' hello_400.js
|
|
|
|
log "Creating function version-3"
|
|
fission fn create --name fn-v3 --env nodejs --code hello_400.js
|
|
|
|
log "Create a route for the version-1 of the function with weight 100% and version-3 with weight 0%"
|
|
fission route create --name route-fail --method GET --url /fail --function fn-v1 --weight 100 --function fn-v3 --weight 0
|
|
sleep 5
|
|
|
|
log "Create a canary config to gradually increment the weight of version-2 by a step of 50 every 1m"
|
|
fission canary-config create --name canary-2 --newfunction fn-v3 --oldfunction fn-v1 --httptrigger route-fail --increment-step 50 --increment-interval 1m --failure-threshold 10
|
|
|
|
sleep 60
|
|
|
|
log "Fire requests to the route"
|
|
ab -n 300 -c 1 http://$FISSION_ROUTER/fail
|
|
|
|
sleep 60
|
|
|
|
log "verify that version-3 of the function is receiving 0% traffic because of rollback"
|
|
weight=`kubectl get httptrigger route-fail -o jsonpath='{.spec.functionref.functionweights.fn-v3}'`
|
|
|
|
if [ "$weight" != "0" ]; then
|
|
log "weight of fn-v3 at the end of the test is $weight"
|
|
cleanup
|
|
exit 1
|
|
else
|
|
log "canary failure scenario test passed"
|
|
fi
|
|
}
|
|
|
|
main() {
|
|
# v2 of a function starts with receiving 0% of the traffic with a gradual increase all the way up to 100% of the traffic
|
|
success_scenario
|
|
|
|
# v3 of a function starts with receiving 0% of the traffic, but because of failure rates crossing the threshold,
|
|
# this test rollbacks the canary deployment to ensure v1 receives 100% of the traffic.
|
|
failure_scenario
|
|
|
|
cleanup
|
|
}
|
|
|
|
main
|