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Merge pull request #18858 from edsantiago/parallelize_getrandomip

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e2e: GetRandomIPAddress(): parallelize
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OpenShift Merge Robot
2023-06-13 05:13:13 -04:00
committed by GitHub
parent 8d0fcd48a4 837b472441
commit 38867d3307
1 changed files with 8 additions and 5 deletions
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13
test/e2e/common_test.go
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@ -484,11 +484,14 @@ func GetPortLock(port string) *lockfile.LockFile {
func GetRandomIPAddress() string {
// To avoid IP collisions of initialize random seed for random IP addresses
rng := rand.New(rand.NewSource(time.Now().UnixNano()))
// Add GinkgoParallelProcess() on top of the IP address
// in case of the same random seed
ip3 := strconv.Itoa(rng.Intn(230) + GinkgoParallelProcess())
ip4 := strconv.Itoa(rng.Intn(230) + GinkgoParallelProcess())
return "10.88." + ip3 + "." + ip4
nProcs := GinkgoT().ParallelTotal()
myProc := GinkgoT().ParallelProcess() - 1
// 10.88.255 is unlikely to be used by CNI or netavark.
// Last octet .0 - .254, and will be unique to this ginkgo process.
ip4 := strconv.Itoa(rng.Intn((255-nProcs)/nProcs)*nProcs + myProc)
return "10.88.255." + ip4
}
// RunTopContainer runs a simple container in the background that