remote

package
v1.27.2 Latest Latest
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 Go to latest Published: May 17, 2023 License: Apache-2.0 Imports: 32 Imported by: 30

Documentation

Overview

Package remote contains implementations of the TestSuite interface, which specify how to run various node test suites remotely.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AddHostnameIP added in v1.18.0 

func AddHostnameIP(hostname, ip string)

AddHostnameIP adds <hostname,ip> pair into hostnameIPOverrides map.

func AddSSHKey added in v1.27.0 

func AddSSHKey(hostname, keyFilePath string)

AddSSHKey adds a <hosrtname,path to SSH private key> pair into the sshKeyOverrides map

func CreateTestArchive 

func CreateTestArchive(suite TestSuite, systemSpecName, kubeletConfigFile string) (string, error)

CreateTestArchive creates the archive package for the node e2e test.

func GetHostnameOrIP added in v1.18.0 

func GetHostnameOrIP(hostname string) string

GetHostnameOrIP converts hostname into ip and apply user if necessary.

func GetSSHUser added in v1.27.0 

func GetSSHUser() string

GetSSHUser returns the ssh-user CLI flag, the KUBE_SSH_USER environment variable, or the default ssh user for the ssh environment in that order

func GetTestSuiteKeys added in v1.27.0 

func GetTestSuiteKeys() []string

func GetTimestampFromWorkspaceDir added in v1.11.0 

func GetTimestampFromWorkspaceDir(dir string) string

GetTimestampFromWorkspaceDir parses the workspace directory name and gets the timestamp part of it. This can later be used to name other artifacts (such as the kubelet-${instance}.service systemd transient service used to launch Kubelet) so that they can be matched to each other.

func RegisterTestSuite added in v1.27.0 

func RegisterTestSuite(name string, suite TestSuite)

func RunRemote 

func RunRemote(cfg RunRemoteConfig) (string, bool, error)

func RunRemoteTestSuite added in v1.27.0 

func RunRemoteTestSuite(testSuite TestSuite)

func SSH added in v1.5.0 

func SSH(host string, cmd ...string) (string, error)

SSH executes ssh command with runSSHCommand as root. The `sudo` makes sure that all commands are executed by root, so that there won't be permission mismatch between different commands.

func SSHNoSudo added in v1.5.0 

func SSHNoSudo(host string, cmd ...string) (string, error)

SSHNoSudo executes ssh command with runSSHCommand as normal user. Sometimes we need this, for example creating a directory that we'll copy files there with scp.

func WriteLog added in v1.6.0 

func WriteLog(host, filename, content string) error

WriteLog is a temporary function to make it possible to write log in the runner. This is used to collect serial console log. TODO(random-liu): Use the log-dump script in cluster e2e.

Types

type Accelerator added in v1.27.0 

type Accelerator struct {
	Type  string `json:"type,omitempty"`
	Count int64  `json:"count,omitempty"`
}

Accelerator contains type and count about resource.

type Archive added in v1.27.0 

type Archive struct {
	sync.Once
	// contains filtered or unexported fields
}

Archive contains path info in the archive.

type CAdvisorE2ERemote added in v1.10.0 

type CAdvisorE2ERemote struct{}

CAdvisorE2ERemote contains the specific functions in the cadvisor e2e test suite.

func (*CAdvisorE2ERemote) RunTest added in v1.10.0 

func (n *CAdvisorE2ERemote) RunTest(host, workspace, _, _, _, _, _, _, _, _ string, timeout time.Duration) (string, error)

RunTest implements TestSuite.RunTest

func (*CAdvisorE2ERemote) SetupTestPackage added in v1.10.0 

func (n *CAdvisorE2ERemote) SetupTestPackage(tardir, systemSpecName string) error

SetupTestPackage implements TestSuite.SetupTestPackage

type Config added in v1.27.0 

type Config struct {
	InstanceNamePrefix string
	ImageConfigFile    string
	Images             []string
	ImageConfigDir     string
	GinkgoFlags        string
	DeleteInstances    bool
	Cleanup            bool
	TestArgs           string
	ExtraEnvs          string
	RuntimeConfig      string
	SystemSpecName     string
	Hosts              []string
}

type ConformanceRemote added in v1.6.0 

type ConformanceRemote struct{}

ConformanceRemote contains the specific functions in the node conformance test suite.

func (*ConformanceRemote) RunTest added in v1.6.0 

func (c *ConformanceRemote) RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, _, systemSpecName, extraEnvs, _ string, timeout time.Duration) (string, error)

RunTest runs test on the node.

func (*ConformanceRemote) SetupTestPackage added in v1.6.0 

func (c *ConformanceRemote) SetupTestPackage(tardir, systemSpecName string) error

SetupTestPackage sets up the test package with binaries k8s required for node conformance test

type GCEImage added in v1.27.0 

type GCEImage struct {
	Image      string `json:"image,omitempty"`
	ImageRegex string `json:"image_regex,omitempty"`
	// ImageFamily is the image family to use. The latest image from the image family will be used, e.g cos-81-lts.
	ImageFamily     string    `json:"image_family,omitempty"`
	ImageDesc       string    `json:"image_description,omitempty"`
	KernelArguments []string  `json:"kernel_arguments,omitempty"`
	Project         string    `json:"project"`
	Metadata        string    `json:"metadata"`
	Machine         string    `json:"machine,omitempty"`
	Resources       Resources `json:"resources,omitempty"`
}

GCEImage contains some information about GCE Image.

type GCEImageConfig added in v1.27.0 

type GCEImageConfig struct {
	Images map[string]GCEImage `json:"images"`
}

GCEImageConfig specifies what images should be run and how for these tests. It can be created via the `--images` and `--image-project` flags, or by specifying the `--image-config-file` flag, pointing to a json or yaml file of the form: 

images:
  short-name:
    image: gce-image-name
    project: gce-image-project
    machine: for benchmark only, the machine type (GCE instance) to run test
    tests: for benchmark only, a list of ginkgo focus strings to match tests

TODO(coufon): replace 'image' with 'node' in configurations and we plan to support testing custom machines other than GCE by specifying Host

type GCERunner added in v1.27.0 

type GCERunner struct {
	// contains filtered or unexported fields
}

func NewGCERunner added in v1.27.0 

func NewGCERunner(cfg Config) *GCERunner

func (*GCERunner) StartTests added in v1.27.0 

func (g *GCERunner) StartTests(suite TestSuite, archivePath string, results chan *TestResult) (numTests int)

func (*GCERunner) Validate added in v1.27.0 

func (g *GCERunner) Validate() error

type NodeE2ERemote added in v1.6.0 

type NodeE2ERemote struct{}

NodeE2ERemote contains the specific functions in the node e2e test suite.

func (*NodeE2ERemote) RunTest added in v1.6.0 

func (n *NodeE2ERemote) RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs, runtimeConfig string, timeout time.Duration) (string, error)

RunTest runs test on the node.

func (*NodeE2ERemote) SetupTestPackage added in v1.6.0 

func (n *NodeE2ERemote) SetupTestPackage(tardir, systemSpecName string) error

SetupTestPackage sets up the test package with binaries k8s required for node e2e tests

type Resources added in v1.27.0 

type Resources struct {
	Accelerators []Accelerator `json:"accelerators,omitempty"`
}

Resources contains accelerators array.

type RunRemoteConfig added in v1.27.0 

type RunRemoteConfig struct {
	// contains filtered or unexported fields
}

RunRemote returns the command Output, whether the exit was ok, and any errors

type Runner added in v1.27.0 

type Runner interface {
	Validate() error
	StartTests(suite TestSuite, archivePath string, results chan *TestResult) (numTests int)
}

func NewSSHRunner added in v1.27.0 

func NewSSHRunner(cfg Config) Runner

type SSHRunner added in v1.27.0 

type SSHRunner struct {
	// contains filtered or unexported fields
}

func (*SSHRunner) StartTests added in v1.27.0 

func (s *SSHRunner) StartTests(suite TestSuite, archivePath string, results chan *TestResult) (numTests int)

func (*SSHRunner) Validate added in v1.27.0 

func (s *SSHRunner) Validate() error

type TestResult added in v1.27.0 

type TestResult struct {
	Output string
	Err    error
	Host   string
	ExitOK bool
}

TestResult contains some information about the test results.

type TestSuite added in v1.6.0 

type TestSuite interface {
	// SetupTestPackage setup the test package in the given directory. TestSuite
	// should put all necessary binaries and dependencies into the path. The caller
	// will:
	// * create a tarball with the directory.
	// * deploy the tarball to the testing host.
	// * untar the tarball to the testing workspace on the testing host.
	SetupTestPackage(path, systemSpecName string) error
	// RunTest runs test on the node in the given workspace and returns test output
	// and test error if there is any.
	// * host is the target node to run the test.
	// * workspace is the directory on the testing host the test is running in. Note
	//   that the test package is unpacked in the workspace before running the test.
	// * results is the directory the test should write result into. All logs should be
	//   saved as *.log, all junit file should start with junit*.
	// * imageDesc is the description of the image the test is running on.
	//   It will be used for logging purpose only.
	// * junitFilePrefix is the prefix of output junit file.
	// * testArgs is the arguments passed to test.
	// * ginkgoArgs is the arguments passed to ginkgo.
	// * systemSpecName is the name of the system spec used for validating the
	//   image on which the test runs.
	// * extraEnvs is the extra environment variables needed for node e2e tests.
	// * runtimeConfig is the API runtime configuration used for node e2e tests.
	// * timeout is the test timeout.
	RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs, runtimeConfig string, timeout time.Duration) (string, error)
}

TestSuite is the interface of a test suite, such as node e2e, node conformance, node soaking, cri validation etc.

func GetTestSuite added in v1.27.0 

func GetTestSuite(name string) (TestSuite, error)

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