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tests: Extends agnhost netexec udp buffers

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Currently, the UDP buffer sizes are set to 1024 bytes. Larger requests will not be
read entirely by the UDP handlers, which can lead to tests relying on this to fail.
This commit is contained in:
Claudiu Belu 2019-10-16 04:21:14 -07:00
parent 99d40d3d44
commit 8880a4f74f
4 changed files with 11 additions and 11 deletions
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14
test/images/agnhost/README.md
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@ -40,7 +40,7 @@ For example, let's consider the following `pod.yaml` file:
containers:
- args:
- dns-suffix
image: gcr.io/kubernetes-e2e-test-images/agnhost:2.2
image: gcr.io/kubernetes-e2e-test-images/agnhost:2.7
name: agnhost
dnsConfig:
nameservers:
@ -258,14 +258,14 @@ Examples:
```console
docker run -i \
gcr.io/kubernetes-e2e-test-images/agnhost:2.2 \
gcr.io/kubernetes-e2e-test-images/agnhost:2.7 \
logs-generator --log-lines-total 10 --run-duration 1s
```
```console
kubectl run logs-generator \
--generator=run-pod/v1 \
--image=gcr.io/kubernetes-e2e-test-images/agnhost:2.2 \
--image=gcr.io/kubernetes-e2e-test-images/agnhost:2.7 \
--restart=Never \
-- logs-generator -t 10 -d 1s
```
@ -392,7 +392,7 @@ Usage:
```console
kubectl run test-agnhost \
--generator=run-pod/v1 \
--image=gcr.io/kubernetes-e2e-test-images/agnhost:2.2 \
--image=gcr.io/kubernetes-e2e-test-images/agnhost:2.7 \
--restart=Never \
--env "POD_IP=<POD_IP>" \
--env "NODE_IP=<NODE_IP>" \
@ -447,7 +447,7 @@ Usage:
```console
kubectl run test-agnhost \
--generator=run-pod/v1 \
--image=gcr.io/kubernetes-e2e-test-images/agnhost:2.1 \
--image=gcr.io/kubernetes-e2e-test-images/agnhost:2.7 \
--restart=Never \
--env "BIND_ADDRESS=localhost" \
--env "BIND_PORT=8080" \
@ -534,6 +534,6 @@ The image contains `iperf`.
## Image
The image can be found at `gcr.io/kubernetes-e2e-test-images/agnhost:2.2` for Linux
containers, and `e2eteam/agnhost:2.2` for Windows containers. In the future, the same
The image can be found at `gcr.io/kubernetes-e2e-test-images/agnhost:2.7` for Linux
containers, and `e2eteam/agnhost:2.7` for Windows containers. In the future, the same
repository can be used for both OSes.

2
test/images/agnhost/VERSION
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@ -1 +1 @@
2.6
2.7

2
test/images/agnhost/agnhost.go
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@ -44,7 +44,7 @@ import (
)
func main() {
rootCmd := &cobra.Command{Use: "app", Version: "2.6"}
rootCmd := &cobra.Command{Use: "app", Version: "2.7"}
rootCmd.AddCommand(auditproxy.CmdAuditProxy)
rootCmd.AddCommand(connect.CmdConnect)

4
test/images/agnhost/netexec/netexec.go
View File

@ -288,7 +288,7 @@ func dialUDP(request string, remoteAddress *net.UDPAddr) (string, error) {
if err != nil {
return "", fmt.Errorf("udp connection write failed. err:%v", err)
}
udpResponse := make([]byte, 1024)
udpResponse := make([]byte, 2048)
Conn.SetReadDeadline(time.Now().Add(5 * time.Second))
count, err := Conn.Read(udpResponse)
if err != nil || count == 0 {
@ -393,7 +393,7 @@ func startUDPServer(udpPort int) {
serverConn, err := net.ListenUDP("udp", serverAddress)
assertNoError(err)
defer serverConn.Close()
buf := make([]byte, 1024)
buf := make([]byte, 2048)
log.Printf("Started UDP server")
// Start responding to readiness probes.