ci/test/k8sdeployment/configmap_test.go

85 lines
2.2 KiB
Go

package k8sdeployment
import (
"os/exec"
"strings"
"testing"
"github.com/coredns/ci/test/kubernetes"
)
func TestConfigMapTranslation(t *testing.T) {
stubdata := `{"abc.com" : ["1.2.3.4:5300","4.4.4.4"], "my.cluster.local" : ["2.3.4.5:5300"]}`
upstreamdata := `["8.8.8.8", "8.8.4.4"]`
corefileExpected := `.:53 {
errors
health {
lameduck 5s
}
ready
kubernetes cluster.local 10.96.0.0/8 172.17.0.0/16 {
fallthrough in-addr.arpa ip6.arpa
}
prometheus :9153
forward . 8.8.8.8 8.8.4.4 {
max_concurrent 1000
}
cache 30
loop
reload
loadbalance
}
abc.com:53 {
errors
cache 30
loop
forward . 1.2.3.4:5300 {
max_concurrent 1000
}
}
my.cluster.local:53 {
errors
cache 30
loop
forward . 2.3.4.5:5300 {
max_concurrent 1000
}
}
`
err := kubernetes.LoadKubednsConfigmap(stubdata, upstreamdata)
if err != nil {
t.Fatalf("Could not load corefile: %s", err)
}
// Apply Corefile translation via coredns/deployment deployment script
cmd := exec.Command("sh", "-c", " ~/go/src/${CIRCLE_PROJECT_USERNAME}/deployment/kubernetes/deploy.sh -s -i 10.96.0.10 -r 10.96.0.0/8 -r 172.17.0.0/16 | kubectl delete --ignore-not-found=true -f -")
cmdout, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("failed to delete deployment objects: %s\nerr: %s", string(cmdout), err)
}
cmd = exec.Command("sh", "-c", " ~/go/src/${CIRCLE_PROJECT_USERNAME}/deployment/kubernetes/deploy.sh -i 10.96.0.10 -r 10.96.0.0/8 -r 172.17.0.0/16 | kubectl apply --overwrite=true -f -")
cmdout, err = cmd.CombinedOutput()
if err != nil {
t.Fatalf("deployment script failed: %s\nerr: %s", string(cmdout), err)
}
corefileTranslated, err := kubernetes.Kubectl("-n kube-system get configmap coredns -ojsonpath={.data.Corefile}")
if err != nil {
t.Fatalf("error fetching translated corefile: %s", err)
}
if strings.Compare(corefileTranslated, corefileExpected) != 0 {
t.Fatalf("failed test: Translation does not match.\nGOT:\n" + corefileTranslated + "\n\nEXPECTED:\n" + corefileExpected)
}
// Clean-up by removing kube-dns ConfigMap
_, err = kubernetes.Kubectl("-n kube-system delete cm kube-dns")
if err != nil {
t.Fatalf("error deleting kube-dns ConfigMap: %s", err)
}
}