prometheus/cadvisor
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Re-enable disk usage integration tests with retries instead of an opaque sleep.

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Signed-off-by: Vishnu kannan <vishnuk@google.com>
This commit is contained in:
Vishnu kannan 2016-02-18 16:46:21 -08:00
parent 262ceb075c
commit 17a09ffbc5
2 changed files with 55 additions and 25 deletions
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10
integration/runner/runner.go
View File

@ -39,13 +39,17 @@ import (
// must be able to ssh into hosts without password
// godep go run ./integration/runner/runner.go --logtostderr --v 2 --ssh-config <.ssh/config file> <list of hosts>
const cadvisorBinary = "cadvisor"
const (
cadvisorBinary = "cadvisor"
testTimeout = 15 * time.Minute
)
var cadvisorTimeout = flag.Duration("cadvisor_timeout", 15*time.Second, "Time to wait for cAdvisor to come up on the remote host")
var port = flag.Int("port", 8080, "Port in which to start cAdvisor in the remote host")
var testRetryCount = flag.Int("test-retry-count", 3, "Number of times to retry failed tests before failing.")
var testRetryWhitelist = flag.String("test-retry-whitelist", "", "Path to newline separated list of regexexp for test failures that should be retried. If empty, no tests are retried.")
var sshOptions = flag.String("ssh-options", "", "Commandline options passed to ssh.")
var testArgs = flag.String("test_args", "", "arguments to be passed to the integrationt tests")
var retryRegex *regexp.Regexp
func getAttributes(ipAddress, portStr string) (*cadvisorApi.Attributes, error) {
@ -158,7 +162,7 @@ func PushAndRunTests(host, testDir string) error {
}
// Run the command
err = RunCommand("godep", "go", "test", "github.com/google/cadvisor/integration/tests/...", "--host", host, "--port", portStr, "--ssh-options", *sshOptions)
err = RunCommand("godep", "go", "test", "--timeout", testTimeout.String(), *testArgs, "github.com/google/cadvisor/integration/tests/...", "--host", host, "--port", portStr, "--ssh-options", *sshOptions)
if err == nil {
// On success, break out of retry loop
break
@ -166,7 +170,7 @@ func PushAndRunTests(host, testDir string) error {
// Only retry on test failures caused by these known flaky failure conditions
if retryRegex == nil || !retryRegex.Match([]byte(err.Error())) {
glog.Warningf("Skipping retry for tests on host %s because error is not whitelisted: %s", host, err.Error())
glog.Warningf("Skipping retry for tests on host %s because error is not whitelisted", host)
break
}
}

56
integration/tests/api/docker_test.go
View File

@ -292,36 +292,62 @@ func TestDockerContainerNetworkStats(t *testing.T) {
}
func TestDockerFilesystemStats(t *testing.T) {
t.Skip("enable this once this test does not cause timeouts.")
fm := framework.New(t)
defer fm.Cleanup()
storageDriver := fm.Docker().StorageDriver()
switch storageDriver {
case framework.Aufs:
case framework.Overlay:
default:
t.Skip("skipping filesystem stats test")
}
const (
ddUsage = uint64(1 << 3) // 1 KB
sleepDuration = 10 * time.Second
)
// Wait for the container to show up.
containerId := fm.Docker().RunBusybox("/bin/sh", "-c", "dd if=/dev/zero of=/file count=1 bs=1M & ping www.google.com")
containerId := fm.Docker().RunBusybox("/bin/sh", "-c", fmt.Sprintf("'dd if=/dev/zero of=/file count=2 bs=%d & sleep 10000'", ddUsage))
waitForContainer(containerId, fm)
time.Sleep(time.Minute)
request := &v2.RequestOptions{
IdType: v2.TypeDocker,
Count: 1,
}
needsBaseUsageCheck := false
storageDriver := fm.Docker().StorageDriver()
switch storageDriver {
case framework.Aufs, framework.Overlay:
needsBaseUsageCheck = true
}
pass := false
// We need to wait for the `dd` operation to complete.
for i := 0; i < 10; i++ {
containerInfo, err := fm.Cadvisor().ClientV2().Stats(containerId, request)
time.Sleep(time.Minute)
require.NoError(t, err)
require.True(t, len(containerInfo) == 1)
require.Equal(t, len(containerInfo), 1)
var info v2.ContainerInfo
// There is only one container in containerInfo. Since it is a map with unknown key,
// use the value blindly.
for _, cInfo := range containerInfo {
info = cInfo
}
sanityCheckV2(containerId, info, t)
require.NotNil(t, info.Stats[0].Filesystem.BaseUsageBytes)
assert.True(t, *info.Stats[0].Filesystem.BaseUsageBytes > (1<<6), "expected base fs usage to be greater than 1MB")
require.NotNil(t, info.Stats[0].Filesystem.TotalUsageBytes)
assert.True(t, *info.Stats[0].Filesystem.TotalUsageBytes > (1<<6), "expected total fs usage to be greater than 1MB")
if *info.Stats[0].Filesystem.TotalUsageBytes >= ddUsage {
if !needsBaseUsageCheck {
pass = true
break
}
require.NotNil(t, info.Stats[0].Filesystem.BaseUsageBytes)
if *info.Stats[0].Filesystem.BaseUsageBytes >= ddUsage {
pass = true
break
}
}
t.Logf("expected total usage %d bytes to be greater than %d bytes", *info.Stats[0].Filesystem.TotalUsageBytes, ddUsage)
if needsBaseUsageCheck {
t.Logf("expected base %d bytes to be greater than %d bytes", *info.Stats[0].Filesystem.BaseUsageBytes, ddUsage)
}
t.Logf("retrying after %s...", sleepDuration.String())
time.Sleep(sleepDuration)
}
if !pass {
t.Fail()
}
}