-
Notifications
You must be signed in to change notification settings - Fork 12
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Signed-off-by: Mohamed Mahmoud <mmahmoud@redhat.com>
- Loading branch information
1 parent
4c3fa0b
commit 40f93c8
Showing
7 changed files
with
203 additions
and
51 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| //go:build integration_tests | ||
| // +build integration_tests | ||
|
|
||
| package integration | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "io" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/kong/kubernetes-testing-framework/pkg/clusters" | ||
| "github.com/stretchr/testify/require" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| const ( | ||
| appGoCounterKustomize = "https://github.com/bpfman/bpfman/examples/config/default/go-app-counter/?timeout=120&ref=main" | ||
| appGoCounterUserspaceNs = "go-application-counter" | ||
| appGoCounterUserspaceDsName = "go-application-counter-ds" | ||
| ) | ||
|
|
||
| func TestApplicationGoCounter(t *testing.T) { | ||
| t.Log("deploying target required for uprobe counter program if its not already deployed") | ||
| require.NoError(t, clusters.KustomizeDeployForCluster(ctx, env.Cluster(), targetKustomize)) | ||
|
|
||
| t.Log("waiting for go target userspace daemon to be available") | ||
| require.Eventually(t, func() bool { | ||
| daemon, err := env.Cluster().Client().AppsV1().DaemonSets(targetUserspaceNs).Get(ctx, targetUserspaceDsName, metav1.GetOptions{}) | ||
| require.NoError(t, err) | ||
| return daemon.Status.DesiredNumberScheduled == daemon.Status.NumberAvailable | ||
| }, | ||
| // Wait 5 minutes since cosign is slow, https://github.com/bpfman/bpfman/issues/1043 | ||
| 5*time.Minute, 10*time.Second) | ||
|
|
||
| t.Log("deploying application counter program") | ||
| require.NoError(t, clusters.KustomizeDeployForCluster(ctx, env.Cluster(), appGoCounterKustomize)) | ||
| addCleanup(func(context.Context) error { | ||
| cleanupLog("cleaning up application counter program") | ||
| return clusters.KustomizeDeleteForCluster(ctx, env.Cluster(), appGoCounterKustomize) | ||
| }) | ||
|
|
||
| t.Log("waiting for go application counter userspace daemon to be available") | ||
| require.Eventually(t, func() bool { | ||
| daemon, err := env.Cluster().Client().AppsV1().DaemonSets(appGoCounterUserspaceNs).Get(ctx, appGoCounterUserspaceDsName, metav1.GetOptions{}) | ||
| require.NoError(t, err) | ||
| return daemon.Status.DesiredNumberScheduled == daemon.Status.NumberAvailable | ||
| }, | ||
| // Wait 5 minutes since cosign is slow, https://github.com/bpfman/bpfman/issues/1043 | ||
| 5*time.Minute, 10*time.Second) | ||
|
|
||
| pods, err := env.Cluster().Client().CoreV1().Pods(appGoCounterUserspaceNs).List(ctx, metav1.ListOptions{LabelSelector: "name=go-application-counter"}) | ||
| require.NoError(t, err) | ||
| goAppCounterPod := pods.Items[0] | ||
|
|
||
| checkFunctions := []func(t *testing.T, output *bytes.Buffer) bool{ | ||
| doAppKprobeCheck, | ||
| doAppTcCheck, | ||
| doAppTracepointCheck, | ||
| doAppUprobeCheck, | ||
| doAppXdpCheck, | ||
| } | ||
|
|
||
| for idx, f := range checkFunctions { | ||
| req := env.Cluster().Client().CoreV1().Pods(appGoCounterUserspaceNs).GetLogs(goAppCounterPod.Name, &corev1.PodLogOptions{}) | ||
| require.Eventually(t, func() bool { | ||
| logs, err := req.Stream(ctx) | ||
| require.NoError(t, err) | ||
| defer logs.Close() | ||
| output := new(bytes.Buffer) | ||
| _, err = io.Copy(output, logs) | ||
| require.NoError(t, err) | ||
|
|
||
| if f(t, output) { | ||
| return true | ||
| } | ||
| t.Logf("check %d failed retrying, output %s", idx, output.String()) | ||
| return false | ||
| }, 30*time.Second, time.Second) | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| //go:build integration_tests | ||
| // +build integration_tests | ||
|
|
||
| package integration | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "regexp" | ||
| "strconv" | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func doKprobeCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| str := `Kprobe count: ([0-9]+)` | ||
| if ok, count := doProbeCommonCheck(t, output, str); ok { | ||
| t.Logf("counted %d kprobe executions so far, BPF program is functioning", count) | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doAppKprobeCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| str := `Kprobe: count: ([0-9]+)` | ||
| if ok, count := doProbeCommonCheck(t, output, str); ok { | ||
| t.Logf("counted %d kprobe executions so far, BPF program is functioning", count) | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doTcCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| if strings.Contains(output.String(), "packets received") && strings.Contains(output.String(), "bytes received") { | ||
| t.Log("TC BPF program is functioning") | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doAppTcCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| if strings.Contains(output.String(), "TC:") && strings.Contains(output.String(), "packets received") && strings.Contains(output.String(), "bytes received") { | ||
| t.Log("TC BPF program is functioning") | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doTracepointCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| str := `SIGUSR1 signal count: ([0-9]+)` | ||
| if ok, count := doProbeCommonCheck(t, output, str); ok { | ||
| t.Logf("counted %d SIGUSR1 signals so far, BPF program is functioning", count) | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doAppTracepointCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| str := `Tracepoint: SIGUSR1 signal count: ([0-9]+)` | ||
| if ok, count := doProbeCommonCheck(t, output, str); ok { | ||
| t.Logf("counted %d SIGUSR1 signals so far, BPF program is functioning", count) | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doUprobeCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| str := `Uprobe count: ([0-9]+)` | ||
| if ok, count := doProbeCommonCheck(t, output, str); ok { | ||
| t.Logf("counted %d uprobe executions so far, BPF program is functioning", count) | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doAppUprobeCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| str := `Uprobe: count: ([0-9]+)` | ||
| if ok, count := doProbeCommonCheck(t, output, str); ok { | ||
| t.Logf("counted %d uprobe executions so far, BPF program is functioning", count) | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doXdpCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| if strings.Contains(output.String(), "packets received") && strings.Contains(output.String(), "bytes received") { | ||
| t.Log("XDP BPF program is functioning") | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doAppXdpCheck(t *testing.T, output *bytes.Buffer) bool { | ||
| if strings.Contains(output.String(), "XDP:") && strings.Contains(output.String(), "packets received") && strings.Contains(output.String(), "bytes received") { | ||
| t.Log("XDP BPF program is functioning") | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func doProbeCommonCheck(t *testing.T, output *bytes.Buffer, str string) (bool, int) { | ||
| want := regexp.MustCompile(str) | ||
| matches := want.FindAllStringSubmatch(output.String(), -1) | ||
| if len(matches) >= 1 && len(matches[0]) >= 2 { | ||
| count, err := strconv.Atoi(matches[0][1]) | ||
| require.NoError(t, err) | ||
| if count > 0 { | ||
| return true, count | ||
| } | ||
| } | ||
| return false, 0 | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters