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) (int, error)
- func LaunchHostExecPod(client *client.Client, ns, name string) *api.Pod
- func LaunchNetTestPodPerNode(f *Framework, nodes *api.NodeList, name, version string) []string
- func LogSSHResult(result SSHResult)
- func Logf(format string, a ...interface{})
- func NewHostExecPodSpec(ns, name string) *api.Pod
- func NewRestartConfig(nodeName, daemonName string, healthzPort int, ...) *restartDaemonConfig
- func NodeAddresses(nodelist *api.NodeList, addrType api.NodeAddressType) []string
- 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, megabytes int)
- func RunDeployment(config DeploymentConfig) error
- func RunHostCmd(ns, name, cmd string) (string, error)
- func RunHostCmdOrDie(ns, name, cmd string) string
- func RunRC(config RCConfig) 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 VerifyPodStartupLatency(latency PodStartupLatency) error
- func VerifySchedulerLatency() error
- type APICall
- type APIResponsiveness
- type CloudConfig
- type ContainerFailures
- type DeploymentConfig
- 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) TestContainerOutputRegexp(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 HPAScaleTest
- type IngressController
- type KubeProxyTestConfig
- type KubeletManagedHostConfig
- type KubeletMetric
- type KubeletMetricByLatency
- type LBCTester
- type LatencyMetric
- type LogSizeGatherer
- type LogsSizeData
- type LogsSizeVerifier
- type PodDiff
- type PodStartupLatency
- type PortsByPodName
- type PortsByPodUID
- type PrivilegedPodTestConfig
- type RCConfig
- type ResourceConsumer
- func (rc *ResourceConsumer) CleanUp()
- func (rc *ResourceConsumer) ConsumeCPU(millicores int)
- func (rc *ResourceConsumer) ConsumeMem(megabytes int)
- func (rc *ResourceConsumer) EnsureDesiredReplicas(desiredReplicas int, timeout time.Duration)
- func (rc *ResourceConsumer) GetReplicas() int
- func (rc *ResourceConsumer) WaitForReplicas(desiredReplicas int)
- type SSHResult
- type SchedulingLatency
- type State
- type TestContextType
- type TimestampedSize
- 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
- type WorkItem
Constants ¶
const ( ADD = "ADD" DEL = "DEL" UPDATE = "UPDATE" )
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 ClusterLevelLoggingWithElasticsearch ¶
func ClusterLevelLoggingWithElasticsearch(f *Framework)
ClusterLevelLoggingWithElasticsearch is an end to end test for cluster level logging.
func ClusterLevelLoggingWithKibana ¶
func ClusterLevelLoggingWithKibana(f *Framework)
ClusterLevelLoggingWithKibana is an end to end test that checks to see if Kibana is alive.
func FailedContainers ¶
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 ¶
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 ¶
Prints top five summary metrics for request types with latency and returns number of such request types above threshold.
func LaunchHostExecPod ¶ added in v1.1.2
LaunchHostExecPod launches a hostexec pod in the given namespace and waits until it's Running
func LaunchNetTestPodPerNode ¶
func LogSSHResult ¶ added in v1.1.2
func LogSSHResult(result SSHResult)
func NewHostExecPodSpec ¶ added in v1.1.2
NewHostExecPodSpec returns the pod spec of hostexec pod
func NewRestartConfig ¶ added in v1.0.7
func NewRestartConfig(nodeName, daemonName string, healthzPort int, pollInterval, pollTimeout time.Duration) *restartDaemonConfig
NewRestartConfig creates a restartDaemonConfig for the given node and daemon.
func NodeAddresses ¶ added in v1.1.2
func NodeAddresses(nodelist *api.NodeList, addrType api.NodeAddressType) []string
NodeAddresses returns the first address of the given type of each node.
func NodeSSHHosts ¶
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 v1.0.7
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 ¶
func ReserveMemory ¶
func RunDeployment ¶ added in v1.1.2
func RunDeployment(config DeploymentConfig) error
RunDeployment Launches (and verifies correctness) of a Deployment 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 RunHostCmd ¶ added in v1.1.2
RunHostCmd runs the given cmd in the context of the given pod using `kubectl exec` inside of a shell.
func RunHostCmdOrDie ¶ added in v1.1.2
RunHostCmdOrDie calls RunHostCmd and dies on error.
func RunRC ¶
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 ServeImageOrFail ¶
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 ¶
func SetTestContext(t TestContextType)
func SkipIfProviderIs ¶
func SkipIfProviderIs(unsupportedProviders ...string)
func SkipUnlessNodeCountIsAtLeast ¶
func SkipUnlessNodeCountIsAtLeast(minNodeCount int)
func SkipUnlessProviderIs ¶
func SkipUnlessProviderIs(supportedProviders ...string)
func VerifyPodStartupLatency ¶ added in v1.0.7
func VerifyPodStartupLatency(latency PodStartupLatency) error
Verifies whether 50, 90 and 99th percentiles of PodStartupLatency are within the threshold.
func VerifySchedulerLatency ¶ added in v1.1.2
func VerifySchedulerLatency() error
Verifies (currently just by logging them) the scheduling latencies.
Types ¶
type APICall ¶ added in v1.0.7
type APICall struct { Resource string `json:"resource"` Verb string `json:"verb"` Latency LatencyMetric `json:"latency"` }
type APIResponsiveness ¶ added in v1.0.7
type APIResponsiveness struct {
APICalls []APICall `json:"apicalls"`
}
func (APIResponsiveness) Len ¶ added in v1.0.7
func (a APIResponsiveness) Len() int
func (APIResponsiveness) Less ¶ added in v1.0.7
func (a APIResponsiveness) Less(i, j int) bool
func (APIResponsiveness) Swap ¶ added in v1.0.7
func (a APIResponsiveness) Swap(i, j int)
type CloudConfig ¶
type ContainerFailures ¶
type ContainerFailures struct {
// contains filtered or unexported fields
}
type DeploymentConfig ¶ added in v1.1.2
type DeploymentConfig struct {
RCConfig
}
type Framework ¶
type Framework struct { BaseName string Namespace *api.Namespace Client *client.Client NamespaceDeletionTimeout time.Duration // contains filtered or unexported fields }
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 InitializeFramework ¶
func InitializeFramework(baseName string, nsCreateFunc func(string, *client.Client) (*api.Namespace, error)) *Framework
InitializeFramework initialize the framework by allowing to pass a custom namespace creation function.
func NewFramework ¶
NewFramework makes a new framework and sets up a BeforeEach/AfterEach for you (you can write additional before/after each functions).
func (*Framework) ReadFileViaContainer ¶
func (f *Framework) ReadFileViaContainer(podName, containerName string, path string) (string, error)
Read a file using kubectl exec cat <path>
func (*Framework) TestContainerOutput ¶
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) TestContainerOutputRegexp ¶ added in v1.0.7
func (f *Framework) TestContainerOutputRegexp(scenarioName string, pod *api.Pod, containerIndex int, expectedOutput []string)
Runs the given pod and verifies that the output of exact container matches the desired regexps.
func (*Framework) WaitForAnEndpoint ¶
WaitForAnEndpoint waits for at least one endpoint to become available in the service's corresponding endpoints object.
func (*Framework) WaitForPodRunning ¶
WaitForPodRunning waits for the pod to run in the namespace.
func (*Framework) WaitForPodRunningSlow ¶ added in v1.1.2
WaitForPodRunningSlow waits for the pod to run in the namespace. It has a longer timeout then WaitForPodRunning (util.slowPodStartTimeout).
func (*Framework) WriteFileViaContainer ¶
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 HPAScaleTest ¶ added in v1.1.2
type HPAScaleTest struct {
// contains filtered or unexported fields
}
HPAScaleTest struct is used by the scale(...) function.
type IngressController ¶ added in v1.1.2
type IngressController struct { UID string Project string // contains filtered or unexported fields }
func (*IngressController) Cleanup ¶ added in v1.1.2
func (cont *IngressController) Cleanup(del bool) error
type KubeProxyTestConfig ¶ added in v1.0.7
type KubeProxyTestConfig struct {
// contains filtered or unexported fields
}
type KubeletManagedHostConfig ¶ added in v1.0.8
type KubeletManagedHostConfig struct {
// contains filtered or unexported fields
}
type KubeletMetric ¶
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 ¶
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 ¶
func ParseKubeletMetrics(metricsBlob string) ([]KubeletMetric, error)
ParseKubeletMetrics reads metrics from the kubelet server running on the given node
type KubeletMetricByLatency ¶
type KubeletMetricByLatency []KubeletMetric
KubeletMetricByLatency implements sort.Interface for []KubeletMetric based on the latency field.
func (KubeletMetricByLatency) Len ¶
func (a KubeletMetricByLatency) Len() int
func (KubeletMetricByLatency) Less ¶
func (a KubeletMetricByLatency) Less(i, j int) bool
func (KubeletMetricByLatency) Swap ¶
func (a KubeletMetricByLatency) Swap(i, j int)
type LBCTester ¶ added in v1.0.7
type LBCTester interface {
// contains filtered or unexported methods
}
LBCTester is an interface used to test loadbalancer controllers.
type LatencyMetric ¶
type LatencyMetric struct { Perc50 time.Duration `json:"Perc50"` Perc90 time.Duration `json:"Perc90"` Perc99 time.Duration `json:"Perc99"` }
Dashboard metrics
type LogSizeGatherer ¶ added in v1.1.2
type LogSizeGatherer struct {
// contains filtered or unexported fields
}
LogSizeGatherer is a worker which grabs a WorkItem from the channel and does assigned work.
func (*LogSizeGatherer) Run ¶ added in v1.1.2
func (g *LogSizeGatherer) Run()
func (*LogSizeGatherer) Work ¶ added in v1.1.2
func (g *LogSizeGatherer) Work() bool
Work does a single unit of work: tries to take out a WorkItem from the queue, ssh-es into a given machine, gathers data, writes it to the shared <data> map, and creates a gorouting which reinserts work item into the queue with a <pollingPeriod> delay.
type LogsSizeData ¶ added in v1.1.2
type LogsSizeData struct {
// contains filtered or unexported fields
}
func (*LogsSizeData) AddNewData ¶ added in v1.1.2
func (d *LogsSizeData) AddNewData(ip, path string, timestamp time.Time, size int)
func (*LogsSizeData) PrintData ¶ added in v1.1.2
func (d *LogsSizeData) PrintData() string
type LogsSizeVerifier ¶ added in v1.1.2
type LogsSizeVerifier struct {
// contains filtered or unexported fields
}
LogsSizeVerifier gathers data about log files sizes from master and node machines. It oversees a <workersNo> workers which do the gathering.
func NewLogsVerifier ¶ added in v1.1.2
func NewLogsVerifier(c *client.Client, stopChannel chan bool) *LogsSizeVerifier
NewLogsVerifier creates a new LogsSizeVerifier which will stop when stopChannel is closed
func (*LogsSizeVerifier) PrintData ¶ added in v1.1.2
func (v *LogsSizeVerifier) PrintData() string
PrintData returns a string with formated results
func (*LogsSizeVerifier) Run ¶ added in v1.1.2
func (v *LogsSizeVerifier) Run()
Run starts log size gathering. It starts a gorouting for every worker and then blocks until stopChannel is closed
type PodDiff ¶
type PodDiff map[string]*podInfo
PodDiff is a map of pod name to podInfos
type PodStartupLatency ¶ added in v1.0.7
type PodStartupLatency struct {
Latency LatencyMetric `json:"latency"`
}
type PortsByPodName ¶
type PortsByPodUID ¶
type PrivilegedPodTestConfig ¶ added in v1.0.7
type PrivilegedPodTestConfig struct {
// contains filtered or unexported fields
}
type RCConfig ¶
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 v1.0.7
type ResourceConsumer struct {
// contains filtered or unexported fields
}
ResourceConsumer is a tool for testing. It helps create specified usage of CPU or memory (Warning: memory not supported) typical use case: rc.ConsumeCPU(600) // ... check your assumption here rc.ConsumeCPU(300) // ... check your assumption here
func NewDynamicResourceConsumer ¶ added in v1.0.7
func NewDynamicResourceConsumer(name, kind string, replicas, initCPUTotal, initMemoryTotal int, cpuLimit, memLimit int64, framework *Framework) *ResourceConsumer
func NewStaticResourceConsumer ¶ added in v1.0.7
func NewStaticResourceConsumer(name string, replicas, initCPUTotal, initMemoryTotal int, cpuLimit, memLimit int64, framework *Framework) *ResourceConsumer
TODO this still defaults to replication controller
func (*ResourceConsumer) CleanUp ¶ added in v1.0.7
func (rc *ResourceConsumer) CleanUp()
func (*ResourceConsumer) ConsumeCPU ¶ added in v1.0.7
func (rc *ResourceConsumer) ConsumeCPU(millicores int)
ConsumeCPU consumes given number of CPU
func (*ResourceConsumer) ConsumeMem ¶ added in v1.0.7
func (rc *ResourceConsumer) ConsumeMem(megabytes int)
ConsumeMem consumes given number of Mem
func (*ResourceConsumer) EnsureDesiredReplicas ¶ added in v1.1.2
func (rc *ResourceConsumer) EnsureDesiredReplicas(desiredReplicas int, timeout time.Duration)
func (*ResourceConsumer) GetReplicas ¶ added in v1.0.7
func (rc *ResourceConsumer) GetReplicas() int
func (*ResourceConsumer) WaitForReplicas ¶ added in v1.0.7
func (rc *ResourceConsumer) WaitForReplicas(desiredReplicas int)
type SchedulingLatency ¶ added in v1.1.2
type SchedulingLatency struct { Scheduling LatencyMetric `json:"scheduling:` Binding LatencyMetric `json:"binding"` Total LatencyMetric `json:"total"` }
type TestContextType ¶
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 DeleteNamespace bool CleanStart bool // If set to true framework will start a goroutine monitoring resource usage of system add-ons. // It will read the data every 30 seconds from all Nodes and print summary during afterEach. GatherKubeSystemResourceUsageData bool GatherLogsSizes bool // contains filtered or unexported fields }
type TimestampedSize ¶ added in v1.1.2
type TimestampedSize struct {
// contains filtered or unexported fields
}
TimestampedSize contains a size together with a time of measurement.
type VolumeTestConfig ¶
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 ¶
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 ¶
func NewWebserverTest(client *client.Client, namespace string, serviceName string) *WebserverTest
func (*WebserverTest) BuildServiceSpec ¶
func (t *WebserverTest) BuildServiceSpec() *api.Service
Build default config for a service (which can then be changed)
func (*WebserverTest) Cleanup ¶
func (t *WebserverTest) Cleanup() []error
func (*WebserverTest) CreateService ¶
Create a service, and record it for cleanup
func (*WebserverTest) CreateWebserverRC ¶
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 ¶
func (t *WebserverTest) DeleteService(serviceName string) error
Delete a service, and remove it from the cleanup list
Source Files ¶
- addon_update.go
- autoscaling_utils.go
- cadvisor.go
- cluster_size_autoscaling.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
- example_cluster_dns.go
- example_k8petstore.go
- examples.go
- expansion.go
- framework.go
- garbage_collector.go
- google_compute.go
- horizontal_pod_autoscaling.go
- host_path.go
- ingress.go
- initial_resources.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
- latency.go
- load.go
- log_size_monitoring.go
- mesos.go
- metrics_util.go
- monitor_resources.go
- monitoring.go
- namespace.go
- networking.go
- nodeoutofdisk.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
- security_context.go
- service.go
- service_accounts.go
- service_latency.go
- serviceloadbalancers.go
- ssh.go
- util.go
- volumes.go