respy
A command-line tool to show a percentage distribution
(Created to demonstrate Istio traffic splitting across versions.)
how-to
kubectl apply -f manifests/deployment.yaml
RESPY_POD=$(kubectl get pod | grep respy | awk '{ print $1 }')
kubectl exec -it $RESPY_POD -c respy ./respy
should see:
$ kubectl exec -it $RESPY_POD -c respy ./respy
☎️ 1000 requests to http://numbersapi.com/42...
+--------------------------------+--------------------+
| RESPONSE | % OF 1000 REQUESTS |
+--------------------------------+--------------------+
| 42 is the angle in degrees for | 10.1% |
| which a rainbow appears or the | |
| critical angle. | |
| 42 is the answer to the | 9.7% |
| Ultimate Question of Life, the | |
| Universe, and Everything. | |
| 42 is the number of US gallons | 9.9% |
| in a barrel of oil. | |
| 42 is the number of gallons | 9.8% |
| that one barrel of petroleum | |
| holds. | |
| 42 is the number of kilometers | 10.6% |
| in a marathon. | |
| 42 is the number of laws of | 10.7% |
| cricket. | |
| 42 is the number of museums | 10.0% |
| in Amsterdam (Netherlands has | |
| the highest concentration of | |
| museums in the world). | |
| 42 is the number of spots | 10.6% |
| (or pips, circular patches or | |
| pits) on a pair of standard | |
| six-sided dice. | |
| 42 is the result given by the | 9.5% |
| web search engines Google, | |
| Wolfram Alpha and Bing when | |
| the query "the answer to life | |
| the universe and everything" | |
| is entered as a search. | |
| 42 is the sum of the codes of | 9.1% |
| the letters in the words "BIG | |
| BANG" using the encoding A=1, | |
| B=2, C=3, etc. | |
+--------------------------------+--------------------+
customize
$ respy --help
respy shows the percentage distrubtion for HTTP response text.
Usage:
respy [flags]
Flags:
--c int # concurrent requests (default 100)
-h, --help help for respy
--n int number of total requests (default 1000)
--u string a valid url, HTTP(S) (default "http://numbersapi.com/42")