Documentation
¶
Overview ¶
This is a utility for prometheus pushing functionality.
Index ¶
- Constants
- Variables
- func BadEvents(events []*api.Event) int
- func CheckCadvisorHealthOnAllNodes(c *client.Client, timeout time.Duration)
- func ClusterLevelLoggingWithElasticsearch(f *Framework)
- func ClusterLevelLoggingWithKibana(f *Framework)
- func CoreDump(dir string)
- func DeleteRC(c *client.Client, ns, name string) error
- func FailedContainers(pod *api.Pod) map[string]ContainerFailures
- func Failf(format string, a ...interface{})
- func GetKubeletPods(c *client.Client, node string) (*api.PodList, error)
- func HighLatencyRequests(c *client.Client, threshold time.Duration) (int, error)
- func LaunchNetTestPodPerNode(f *Framework, nodes *api.NodeList, name, version string) []string
- func Logf(format string, a ...interface{})
- func NewRestartConfig(nodeName, daemonName string, healthzPort int, ...) *restartDaemonConfig
- func NodeSSHHosts(c *client.Client) ([]string, error)
- func OpenWebSocketForURL(url *url.URL, config *client.Config, protocols []string) (*websocket.Conn, error)
- func ReserveCpu(f *Framework, id string, millicores int)
- func ReserveMemory(f *Framework, id string, gigabytes int)
- func RunRC(config RCConfig) error
- func SSH(cmd, host, provider string) (string, string, int, error)
- func SSHVerbose(cmd, host, provider string) (string, string, int, error)
- func ScaleRC(c *client.Client, ns, name string, size uint, wait bool) error
- func ServeImageOrFail(f *Framework, test string, image string)
- func SetTestContext(t TestContextType)
- func SkipIfProviderIs(unsupportedProviders ...string)
- func SkipUnlessNodeCountIsAtLeast(minNodeCount int)
- func SkipUnlessProviderIs(supportedProviders ...string)
- func Skipf(format string, args ...interface{})
- func StopConsuming(f *Framework, id string)
- func VerifyPodStartupLatency(latency PodStartupLatency, podStartupThreshold time.Duration) error
- type APICall
- type APIResponsiveness
- type CloudConfig
- type ContainerFailures
- type Framework
- func (f *Framework) ReadFileViaContainer(podName, containerName string, path string) (string, error)
- func (f *Framework) TestContainerOutput(scenarioName string, pod *api.Pod, containerIndex int, expectedOutput []string)
- func (f *Framework) WaitForAnEndpoint(serviceName string) error
- func (f *Framework) WaitForPodRunning(podName string) error
- func (f *Framework) WaitForPodRunningSlow(podName string) error
- func (f *Framework) WriteFileViaContainer(podName, containerName string, path string, contents string) error
- type KubeProxyTestConfig
- type KubeletManagedHostConfig
- type KubeletMetric
- type KubeletMetricByLatency
- type LBCTester
- type LatencyMetric
- type PodDiff
- type PodStartupLatency
- type PortsByPodName
- type PortsByPodUID
- type PrivilegedPodTestConfig
- type RCConfig
- type ResourceConsumer
- type State
- type TestContextType
- type VolumeTestConfig
- type WebserverTest
- func (t *WebserverTest) BuildServiceSpec() *api.Service
- func (t *WebserverTest) Cleanup() []error
- func (t *WebserverTest) CreateService(service *api.Service) (*api.Service, error)
- func (t *WebserverTest) CreateWebserverRC(replicas int) *api.ReplicationController
- func (t *WebserverTest) DeleteService(serviceName string) error
Constants ¶
const NodeStartupThreshold = 4 * time.Second
NodeStartupThreshold is a rough estimate of the time allocated for a pod to start on a node.
Variables ¶
var MaxContainerFailures = 0
Maximum container failures this test tolerates before failing.
var ServiceNodePortRange = util.PortRange{Base: 30000, Size: 2768}
This should match whatever the default/configured range is
Functions ¶
func BadEvents ¶ added in v0.16.0
func BadEvents(events []*api.Event) int
Prints the histogram of the events and returns the number of bad events.
func CheckCadvisorHealthOnAllNodes ¶ added in v0.11.0
func CheckCadvisorHealthOnAllNodes(c *client.Client, timeout time.Duration)
func ClusterLevelLoggingWithElasticsearch ¶ added in v0.14.0
func ClusterLevelLoggingWithElasticsearch(f *Framework)
ClusterLevelLoggingWithElasticsearch is an end to end test for cluster level logging.
func ClusterLevelLoggingWithKibana ¶ added in v1.0.0
func ClusterLevelLoggingWithKibana(f *Framework)
ClusterLevelLoggingWithKibana is an end to end test that checks to see if Kibana is alive.
func DeleteRC ¶ added in v0.13.0
func DeleteRC(c *client.Client, ns, name string) error
Delete a Replication Controller and all pods it spawned
func FailedContainers ¶ added in v0.18.0
func FailedContainers(pod *api.Pod) map[string]ContainerFailures
FailedContainers inspects all containers in a pod and returns failure information for containers that have failed or been restarted. A map is returned where the key is the containerID and the value is a struct containing the restart and failure information
func GetKubeletPods ¶ added in v0.21.0
func GetKubeletPods(c *client.Client, node string) (*api.PodList, error)
GetKubeletPods retrieves the list of running pods on the kubelet. The pods includes necessary information (e.g., UID, name, namespace for pods/containers), but do not contain the full spec.
func HighLatencyRequests ¶ added in v0.17.0
func HighLatencyRequests(c *client.Client, threshold time.Duration) (int, error)
Prints summary metrics for request types with latency above threshold and returns number of such request types.
func LaunchNetTestPodPerNode ¶ added in v0.15.0
func LaunchNetTestPodPerNode(f *Framework, nodes *api.NodeList, name, version string) []string
func NewRestartConfig ¶ added in v1.1.0
func NewRestartConfig(nodeName, daemonName string, healthzPort int, pollInterval, pollTimeout time.Duration) *restartDaemonConfig
NewRestartConfig creates a restartDaemonConfig for the given node and daemon.
func NodeSSHHosts ¶ added in v0.18.0
func NodeSSHHosts(c *client.Client) ([]string, error)
NodeSSHHosts returns SSH-able host names for all nodes. It returns an error if it can't find an external IP for every node, though it still returns all hosts that it found in that case.
func OpenWebSocketForURL ¶ added in v1.1.1
func OpenWebSocketForURL(url *url.URL, config *client.Config, protocols []string) (*websocket.Conn, error)
OpenWebSocketForURL constructs a websocket connection to the provided URL, using the client config, with the specified protocols.
func ReserveCpu ¶ added in v1.1.0
func ReserveCpu(f *Framework, id string, millicores int)
func ReserveMemory ¶ added in v1.1.0
func ReserveMemory(f *Framework, id string, gigabytes int)
func RunRC ¶ added in v0.13.0
func RunRC(config RCConfig) error
RunRC Launches (and verifies correctness) of a Replication Controller and will wait for all pods it spawns to become "Running". It's the caller's responsibility to clean up externally (i.e. use the namespace lifecycle for handling cleanup).
func SSH ¶ added in v0.17.0
func SSH(cmd, host, provider string) (string, string, int, error)
SSH synchronously SSHs to a node running on provider and runs cmd. If there is no error performing the SSH, the stdout, stderr, and exit code are returned.
func SSHVerbose ¶ added in v1.1.0
func SSHVerbose(cmd, host, provider string) (string, string, int, error)
SSHVerbose is just like SSH, but it logs the command, user, host, stdout, stderr, exit code, and error.
func ScaleRC ¶ added in v0.18.0
func ScaleRC(c *client.Client, ns, name string, size uint, wait bool) error
func ServeImageOrFail ¶ added in v0.11.0
func ServeImageOrFail(f *Framework, test string, image string)
A basic test to check the deployment of an image using a replication controller. The image serves its hostname which is checked for each replica.
func SetTestContext ¶ added in v1.1.0
func SetTestContext(t TestContextType)
func SkipIfProviderIs ¶ added in v0.21.0
func SkipIfProviderIs(unsupportedProviders ...string)
func SkipUnlessNodeCountIsAtLeast ¶ added in v0.21.0
func SkipUnlessNodeCountIsAtLeast(minNodeCount int)
func SkipUnlessProviderIs ¶ added in v0.21.0
func SkipUnlessProviderIs(supportedProviders ...string)
func StopConsuming ¶ added in v1.1.0
func StopConsuming(f *Framework, id string)
func VerifyPodStartupLatency ¶ added in v1.1.1
func VerifyPodStartupLatency(latency PodStartupLatency, podStartupThreshold time.Duration) error
Verifies whether 50, 90 and 99th percentiles of PodStartupLatency are smaller than the given threshold (returns error in the oposite case).
Types ¶
type APICall ¶ added in v1.1.1
type APICall struct {
Resource string `json:"resource"`
Verb string `json:"verb"`
Latency LatencyMetric `json:"latency"`
}
type APIResponsiveness ¶ added in v1.1.1
type APIResponsiveness struct {
APICalls []APICall `json:"apicalls"`
}
type CloudConfig ¶ added in v0.15.0
type CloudConfig struct {
ProjectID string
Zone string
Cluster string
MasterName string
NodeInstanceGroup string
NumNodes int
ClusterTag string
Provider cloudprovider.Interface
}
type ContainerFailures ¶ added in v0.18.0
type ContainerFailures struct {
// contains filtered or unexported fields
}
type Framework ¶ added in v0.18.0
type Framework struct {
BaseName string
Namespace *api.Namespace
Client *client.Client
NamespaceDeletionTimeout time.Duration
}
Framework supports common operations used by e2e tests; it will keep a client & a namespace for you. Eventual goal is to merge this with integration test framework.
func NewFramework ¶ added in v0.18.0
func NewFramework(baseName string) *Framework
NewFramework makes a new framework and sets up a BeforeEach/AfterEach for you (you can write additional before/after each functions).
func (*Framework) ReadFileViaContainer ¶ added in v1.0.2
func (f *Framework) ReadFileViaContainer(podName, containerName string, path string) (string, error)
Read a file using kubectl exec cat <path>
func (*Framework) TestContainerOutput ¶ added in v0.18.0
func (f *Framework) TestContainerOutput(scenarioName string, pod *api.Pod, containerIndex int, expectedOutput []string)
Runs the given pod and verifies that the output of exact container matches the desired output.
func (*Framework) WaitForAnEndpoint ¶ added in v0.20.0
func (f *Framework) WaitForAnEndpoint(serviceName string) error
WaitForAnEndpoint waits for at least one endpoint to become available in the service's corresponding endpoints object.
func (*Framework) WaitForPodRunning ¶ added in v0.18.0
func (f *Framework) WaitForPodRunning(podName string) error
WaitForPodRunning waits for the pod to run in the namespace.
func (*Framework) WaitForPodRunningSlow ¶ added in v1.1.1
func (f *Framework) WaitForPodRunningSlow(podName string) error
WaitForPodRunningSlow waits for the pod to run in the namespace. It has a longer timeout then WaitForPodRunning (util.slowPodStartTimeout).
func (*Framework) WriteFileViaContainer ¶ added in v1.0.2
func (f *Framework) WriteFileViaContainer(podName, containerName string, path string, contents string) error
Write a file using kubectl exec echo <contents> > <path> via specified container Because of the primitive technique we're using here, we only allow ASCII alphanumeric characters
type KubeProxyTestConfig ¶ added in v1.1.0
type KubeProxyTestConfig struct {
// contains filtered or unexported fields
}
type KubeletManagedHostConfig ¶ added in v1.1.1
type KubeletManagedHostConfig struct {
// contains filtered or unexported fields
}
type KubeletMetric ¶ added in v0.20.0
type KubeletMetric struct {
// eg: list, info, create
Operation string
// eg: sync_pods, pod_worker
Method string
// 0 <= quantile <=1, e.g. 0.95 is 95%tile, 0.5 is median.
Quantile float64
Latency time.Duration
}
KubeletMetric stores metrics scraped from the kubelet server's /metric endpoint. TODO: Get some more structure around the metrics and this type
func HighLatencyKubeletOperations ¶ added in v0.20.0
func HighLatencyKubeletOperations(c *client.Client, threshold time.Duration, nodeName string) ([]KubeletMetric, error)
HighLatencyKubeletOperations logs and counts the high latency metrics exported by the kubelet server via /metrics.
func ParseKubeletMetrics ¶ added in v0.21.0
func ParseKubeletMetrics(metricsBlob string) ([]KubeletMetric, error)
ParseKubeletMetrics reads metrics from the kubelet server running on the given node
type KubeletMetricByLatency ¶ added in v0.20.0
type KubeletMetricByLatency []KubeletMetric
KubeletMetricByLatency implements sort.Interface for []KubeletMetric based on the latency field.
type LBCTester ¶ added in v1.1.1
type LBCTester interface {
// contains filtered or unexported methods
}
LBCTester is an interface used to test loadbalancer controllers.
type LatencyMetric ¶ added in v0.17.0
type LatencyMetric struct {
Perc50 time.Duration `json:"Perc50"`
Perc90 time.Duration `json:"Perc90"`
Perc99 time.Duration `json:"Perc99"`
}
Dashboard metrics
type PodDiff ¶ added in v0.18.0
type PodDiff map[string]*podInfo
PodDiff is a map of pod name to podInfos
type PodStartupLatency ¶ added in v1.1.1
type PodStartupLatency struct {
Latency LatencyMetric `json:"latency"`
}
type PortsByPodName ¶ added in v1.1.0
type PortsByPodName map[string][]int
type PortsByPodUID ¶ added in v1.1.0
type PortsByPodUID map[types.UID][]int
type PrivilegedPodTestConfig ¶ added in v1.1.0
type PrivilegedPodTestConfig struct {
// contains filtered or unexported fields
}
type RCConfig ¶ added in v0.19.0
type RCConfig struct {
Client *client.Client
Image string
Command []string
Name string
Namespace string
PollInterval time.Duration
Timeout time.Duration
PodStatusFile *os.File
Replicas int
CpuRequest int64 // millicores
CpuLimit int64 // millicores
MemRequest int64 // bytes
MemLimit int64 // bytes
// Env vars, set the same for every pod.
Env map[string]string
// Extra labels added to every pod.
Labels map[string]string
// Ports to declare in the container (map of name to containerPort).
Ports map[string]int
// Pointer to a list of pods; if non-nil, will be set to a list of pods
// created by this RC by RunRC.
CreatedPods *[]*api.Pod
// Maximum allowable container failures. If exceeded, RunRC returns an error.
// Defaults to replicas*0.1 if unspecified.
MaxContainerFailures *int
}
type ResourceConsumer ¶ added in v1.1.0
type ResourceConsumer struct {
// contains filtered or unexported fields
}
ResourceConsumer is a tool for testing. It helps create specified usage of CPU or memory (Warnig: memory not supported) typical use case: rc.ConsumeCPU(600) // ... check your assumption here rc.ConsumeCPU(300) // ... check your assumption here
func NewDynamicResourceConsumer ¶ added in v1.1.0
func NewDynamicResourceConsumer(name string, replicas, initCPU, initMemory int, cpuLimit, memLimit int64, framework *Framework) *ResourceConsumer
func NewStaticResourceConsumer ¶ added in v1.1.0
func NewStaticResourceConsumer(name string, replicas, initCPU, initMemory int, cpuLimit, memLimit int64, framework *Framework) *ResourceConsumer
func (*ResourceConsumer) ConsumeCPU ¶ added in v1.1.0
func (rc *ResourceConsumer) ConsumeCPU(millicores int)
ConsumeCPU consumes given number of CPU
func (*ResourceConsumer) ConsumeMem ¶ added in v1.1.0
func (rc *ResourceConsumer) ConsumeMem(megabytes int)
ConsumeMem consumes given number of Mem
func (*ResourceConsumer) GetReplicas ¶ added in v1.1.0
func (rc *ResourceConsumer) GetReplicas() int
func (*ResourceConsumer) WaitForReplicas ¶ added in v1.1.0
func (rc *ResourceConsumer) WaitForReplicas(desiredReplicas int)
type State ¶ added in v0.18.0
type State struct {
Received map[string]int
}
partially cloned from webserver.go
type TestContextType ¶ added in v0.15.0
type TestContextType struct {
KubeConfig string
KubeContext string
CertDir string
Host string
RepoRoot string
Provider string
CloudConfig CloudConfig
KubectlPath string
OutputDir string
MinStartupPods int
UpgradeTarget string
PrometheusPushGateway string
VerifyServiceAccount bool
CleanStart bool
// contains filtered or unexported fields
}
type VolumeTestConfig ¶ added in v0.18.0
type VolumeTestConfig struct {
// contains filtered or unexported fields
}
Configuration of one tests. The test consist of: - server pod - runs serverImage, exports ports[] - client pod - does not need any special configuration
type WebserverTest ¶ added in v0.18.0
type WebserverTest struct {
ServiceName string
Namespace string
Client *client.Client
TestId string
Labels map[string]string
// contains filtered or unexported fields
}
Simple helper class to avoid too much boilerplate in tests
func NewWebserverTest ¶ added in v0.18.0
func NewWebserverTest(client *client.Client, namespace string, serviceName string) *WebserverTest
func (*WebserverTest) BuildServiceSpec ¶ added in v0.18.0
func (t *WebserverTest) BuildServiceSpec() *api.Service
Build default config for a service (which can then be changed)
func (*WebserverTest) CreateService ¶ added in v0.18.0
func (t *WebserverTest) CreateService(service *api.Service) (*api.Service, error)
Create a service, and record it for cleanup
func (*WebserverTest) CreateWebserverRC ¶ added in v0.20.0
func (t *WebserverTest) CreateWebserverRC(replicas int) *api.ReplicationController
CreateWebserverRC creates rc-backed pods with the well-known webserver configuration and records it for cleanup.
func (*WebserverTest) DeleteService ¶ added in v0.18.0
func (t *WebserverTest) DeleteService(serviceName string) error
Delete a service, and remove it from the cleanup list
Source Files
¶
- addon_update.go
- autoscaling.go
- autoscaling_utils.go
- cadvisor.go
- cluster_upgrade.go
- container_probe.go
- core.go
- daemon_restart.go
- daemon_set.go
- density.go
- deployment.go
- dns.go
- docker_containers.go
- downward_api.go
- downwardapi_volume.go
- empty_dir.go
- es_cluster_logging.go
- etcd_failure.go
- events.go
- examples.go
- expansion.go
- framework.go
- garbage_collector.go
- google_compute.go
- horizontal_pod_autoscaling.go
- host_path.go
- ingress.go
- job.go
- kibana_logging.go
- kube-ui.go
- kubectl.go
- kubelet.go
- kubelet_etc_hosts.go
- kubelet_perf.go
- kubelet_stats.go
- kubeproxy.go
- load.go
- metrics_util.go
- monitor_resources.go
- monitoring.go
- namespace.go
- networking.go
- pd.go
- persistent_volumes.go
- pods.go
- portforward.go
- pre_stop.go
- privileged.go
- prompush.go
- proxy.go
- rc.go
- reboot.go
- resize_nodes.go
- restart.go
- scheduler_predicates.go
- secrets.go
- service.go
- service_accounts.go
- service_latency.go
- serviceloadbalancers.go
- ssh.go
- util.go
- volumes.go