lib

package
v0.21.0 Latest Latest
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 Go to latest Published: May 23, 2018 License: AGPL-3.0 Imports: 24 Imported by: 0

Documentation

Overview

Package lib is a kitchen sink of... basically anything that doesn't belong in a specific part of the codebase, ranging from utility functions to universal types to core interfaces.

Some of the things in lib do not actually belong in lib, most notably the Executor and Runner, which arguably belong in core. Other things are in files that are far too long, or that do not actually make sense.

Feel free to move these things.

Index

Constants

View Source 
const GroupSeparator = "::"

Separator for group IDs.

Variables

View Source 
var DefaultSystemTagList = []string{
	"proto", "subproto", "status", "method", "url", "name", "group", "check", "error", "tls_version",
}

DefaultSystemTagList includes all of the system tags emitted with metrics by default. Other tags that are not enabled by default include: iter, vu, ocsp_status, ip

View Source 
var ErrNameContainsGroupSeparator = errors.New("group and check names may not contain '::'")

Error emitted if you attempt to instantiate a Group or Check that contains the separator.

View Source 
var SupportedTLSCipherSuites = map[string]uint16{
	"TLS_RSA_WITH_RC4_128_SHA":                tls.TLS_RSA_WITH_RC4_128_SHA,
	"TLS_RSA_WITH_3DES_EDE_CBC_SHA":           tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
	"TLS_RSA_WITH_AES_128_CBC_SHA":            tls.TLS_RSA_WITH_AES_128_CBC_SHA,
	"TLS_RSA_WITH_AES_256_CBC_SHA":            tls.TLS_RSA_WITH_AES_256_CBC_SHA,
	"TLS_RSA_WITH_AES_128_GCM_SHA256":         tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
	"TLS_RSA_WITH_AES_256_GCM_SHA384":         tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
	"TLS_ECDHE_ECDSA_WITH_RC4_128_SHA":        tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
	"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA":    tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
	"TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA":    tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
	"TLS_ECDHE_RSA_WITH_RC4_128_SHA":          tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
	"TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA":     tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
	"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA":      tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
	"TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA":      tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
	"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256":   tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
	"TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256": tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
	"TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384":   tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
	"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384": tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
}

String-to-constant map of available TLS cipher suites.

View Source 
var SupportedTLSCipherSuitesToString = map[uint16]string{
	tls.TLS_RSA_WITH_RC4_128_SHA:                "TLS_RSA_WITH_RC4_128_SHA",
	tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA:           "TLS_RSA_WITH_3DES_EDE_CBC_SHA",
	tls.TLS_RSA_WITH_AES_128_CBC_SHA:            "TLS_RSA_WITH_AES_128_CBC_SHA",
	tls.TLS_RSA_WITH_AES_256_CBC_SHA:            "TLS_RSA_WITH_AES_256_CBC_SHA",
	tls.TLS_RSA_WITH_AES_128_GCM_SHA256:         "TLS_RSA_WITH_AES_128_GCM_SHA256",
	tls.TLS_RSA_WITH_AES_256_GCM_SHA384:         "TLS_RSA_WITH_AES_256_GCM_SHA384",
	tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA:        "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA",
	tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA:    "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
	tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA:    "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA",
	tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA:          "TLS_ECDHE_RSA_WITH_RC4_128_SHA",
	tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA:     "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA",
	tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:      "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA",
	tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:      "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
	tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:   "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
	tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256: "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
	tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384:   "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384",
	tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384: "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
}

Constant-to-string map of available TLS cipher suites.

View Source 
var SupportedTLSVersions = map[string]TLSVersion{
	"ssl3.0": tls.VersionSSL30,
	"tls1.0": tls.VersionTLS10,
	"tls1.1": tls.VersionTLS11,
	"tls1.2": tls.VersionTLS12,
}

String-to-constant map of available TLS versions.

View Source 
var SupportedTLSVersionsToString = map[TLSVersion]string{
	tls.VersionSSL30: "ssl3.0",
	tls.VersionTLS10: "tls1.0",
	tls.VersionTLS11: "tls1.1",
	tls.VersionTLS12: "tls1.2",
}

Constant-to-string map of available TLS versions.

Functions

func Clampf added in v0.5.0 

func Clampf(val, min, max float64) float64

Clampf returns the given value, "clamped" to the range [min, max].

func Lerp 

func Lerp(x, y int64, t float64) int64

Lerp is a linear interpolation between two values x and y, returning the value at the point t, where t is a fraction in the range [0.0 - 1.0].

func Max added in v0.17.0 

func Max(a, b int64) int64

Returns the maximum value of a and b.

func Min added in v0.17.0 

func Min(a, b int64) int64

Returns the minimum value of a and b.

func NormalizeAndAnonymizePath added in v0.21.0 

func NormalizeAndAnonymizePath(path string) string

Normalizes (to use a / path separator) and anonymizes a file path, by scrubbing usernames from home directories.

func SplitKV added in v0.8.2 

func SplitKV(s string) (key, value string)

Splits a string in the form "key=value".

func SumStages added in v0.18.2 

func SumStages(stages []Stage) (d types.NullDuration)

Returns the total sum of time taken by the given set of stages.

Types

type Archive added in v0.15.0 

type Archive struct {
	// The runner to use, eg. "js".
	Type string `json:"type"`

	// Options to use.
	Options Options `json:"options"`

	// Filename and contents of the main file being executed.
	Filename string `json:"filename"`
	Data     []byte `json:"-"`

	// Working directory for resolving relative paths.
	Pwd string `json:"pwd"`

	// Archived filesystem.
	Scripts map[string][]byte `json:"-"` // included scripts
	Files   map[string][]byte `json:"-"` // non-script resources

	// Environment variables
	Env map[string]string `json:"env"`
}

An Archive is a rollup of all resources and options needed to reproduce a test identically elsewhere.

func ReadArchive added in v0.15.0 

func ReadArchive(in io.Reader) (*Archive, error)

Reads an archive created by Archive.Write from a reader.

func (*Archive) Write added in v0.15.0 

func (arc *Archive) Write(out io.Writer) error

Write serialises the archive to a writer.

The format should be treated as opaque; currently it is simply a TAR rollup, but this may change. If it does change, ReadArchive must be able to handle all previous formats as well as the current one.

type Check 

type Check struct {
	// Arbitrary name of the check.
	Name string `json:"name"`

	// A Check belongs to a Group, which may belong to other groups. The Path describes
	// the hierarchy of these groups, with the segments delimited by '::'.
	// As an example: a check "My Check" within a group "Inner" within a group "Outer"
	// would have a Path of "::Outer::Inner::My Check". The empty first item is the root group,
	// which is always named "".
	Group *Group `json:"-"`
	Path  string `json:"path"`

	// A check's ID is a hash of the Path. It is deterministic between different k6
	// instances of the same version, but should be treated as opaque - the hash function
	// or length may change.
	ID string `json:"id"`

	// Counters for how many times this check has passed and failed respectively.
	Passes int64 `json:"passes"`
	Fails  int64 `json:"fails"`
}

A Check stores a series of successful or failing tests against a value.

For more information, refer to the js/modules/k6.K6.Check() function.

func NewCheck 

func NewCheck(name string, group *Group) (*Check, error)

Creates a new check with the given name and parent group. The group may not be nil.

type Collector added in v0.8.3 

type Collector interface {
	// Init is called between the collector's creation and the call to Run().
	// You should do any lengthy setup here rather than in New.
	Init() error

	// Run is called in a goroutine and starts the collector. Should commit samples to the backend
	// at regular intervals and when the context is terminated.
	Run(ctx context.Context)

	// Collect receives a set of samples. This method is never called concurrently, and only while
	// the context for Run() is valid, but should defer as much work as possible to Run().
	Collect(samples []stats.SampleContainer)

	// Optionally return a link that is shown to the user.
	Link() string

	// Return the required system sample tags for the specific collector
	GetRequiredSystemTags() TagSet
}

A Collector abstracts the process of funneling samples to an external storage backend, such as an InfluxDB instance.

type Executor added in v0.17.0 

type Executor interface {
	// Run the Executor, funneling generated samples through the out channel.
	Run(ctx context.Context, out chan<- []stats.SampleContainer) error
	// Is the executor currently running?
	IsRunning() bool

	// Returns the wrapped runner. May return nil if not applicable, eg. if we're remote
	// controlling a test running on another machine.
	GetRunner() Runner

	// Get and set the logger. This is propagated to the Runner.
	GetLogger() *log.Logger
	SetLogger(l *log.Logger)

	// Get and set the list of stages.
	GetStages() []Stage
	SetStages(s []Stage)

	// Get iterations executed so far, get and set how many to end the test after.
	GetIterations() int64
	GetEndIterations() null.Int
	SetEndIterations(i null.Int)

	// Get time elapsed so far, accounting for pauses, get and set at what point to end the test.
	GetTime() time.Duration
	GetEndTime() types.NullDuration
	SetEndTime(t types.NullDuration)

	// Check whether the test is paused, or pause it. A paused won't start any new iterations (but
	// will allow currently in progress ones to finish), and will not increment the value returned
	// by GetTime().
	IsPaused() bool
	SetPaused(paused bool)

	// Get and set the number of currently active VUs.
	// It is an error to try to set this higher than MaxVUs.
	GetVUs() int64
	SetVUs(vus int64) error

	// Get and set the number of allocated, available VUs.
	// Please note that initialising new VUs is a very expensive operation, and doing it during a
	// running test may skew metrics; if you're not sure how many you will need, it's generally
	// speaking better to preallocate too many than too few.
	GetVUsMax() int64
	SetVUsMax(max int64) error

	// Set whether or not to run setup/teardown phases. Default is to run all of them.
	SetRunSetup(r bool)
	SetRunTeardown(r bool)
}

An Executor is in charge of scheduling VUs created by a wrapped Runner, but decouples how you control a swarm of VUs from the details of how or even where they're scheduled.

The core/local executor schedules VUs on the local machine, but the same interface may be implemented to control a test running on a cluster or in the cloud.

type Group 

type Group struct {
	// Arbitrary name of the group.
	Name string `json:"name"`

	// A group may belong to another group, which may belong to another group, etc. The Path
	// describes the hierarchy leading down to this group, with the segments delimited by '::'.
	// As an example: a group "Inner" inside a group named "Outer" would have a path of
	// "::Outer::Inner". The empty first item is the root group, which is always named "".
	Parent *Group `json:"-"`
	Path   string `json:"path"`

	// A group's ID is a hash of the Path. It is deterministic between different k6
	// instances of the same version, but should be treated as opaque - the hash function
	// or length may change.
	ID string `json:"id"`

	// Groups and checks that are children of this group.
	Groups map[string]*Group `json:"groups"`
	Checks map[string]*Check `json:"checks"`
	// contains filtered or unexported fields
}

A Group is an organisational block, that samples and checks may be tagged with.

For more information, refer to the js/modules/k6.K6.Group() function.

func NewGroup 

func NewGroup(name string, parent *Group) (*Group, error)

Creates a new group with the given name and parent group.

The root group must be created with the name "" and parent set to nil; this is the only case where a nil parent or empty name is allowed.

func (*Group) Check 

func (g *Group) Check(name string) (*Check, error)

Check creates a child check belonging to this group. This is safe to call from multiple goroutines simultaneously.

func (*Group) Group 

func (g *Group) Group(name string) (*Group, error)

Group creates a child group belonging to this group. This is safe to call from multiple goroutines simultaneously.

type MiniRunner added in v0.20.0 

type MiniRunner struct {
	Fn         func(ctx context.Context) ([]stats.SampleContainer, error)
	SetupFn    func(ctx context.Context) (interface{}, error)
	TeardownFn func(ctx context.Context) error

	Group   *Group
	Options Options
	// contains filtered or unexported fields
}

MiniRunner wraps a function in a runner whose VUs will simply call that function.

func (MiniRunner) GetDefaultGroup added in v0.20.0 

func (r MiniRunner) GetDefaultGroup() *Group

func (MiniRunner) GetOptions added in v0.20.0 

func (r MiniRunner) GetOptions() Options

func (MiniRunner) GetSetupData added in v0.21.0 

func (r MiniRunner) GetSetupData() interface{}

GetSetupData returns the setup data if Setup() was executed, nil otherwise

func (MiniRunner) MakeArchive added in v0.20.0 

func (r MiniRunner) MakeArchive() *Archive

func (MiniRunner) NewVU added in v0.20.0 

func (r MiniRunner) NewVU() (VU, error)

func (*MiniRunner) SetOptions added in v0.20.0 

func (r *MiniRunner) SetOptions(opts Options)

func (*MiniRunner) SetSetupData added in v0.21.0 

func (r *MiniRunner) SetSetupData(data interface{})

SetSetupData saves the externally supplied setup data in the runner

func (*MiniRunner) Setup added in v0.20.0 

func (r *MiniRunner) Setup(ctx context.Context) (err error)

func (MiniRunner) Teardown added in v0.20.0 

func (r MiniRunner) Teardown(ctx context.Context) error

func (MiniRunner) VU added in v0.20.0 

func (r MiniRunner) VU() *MiniRunnerVU

type MiniRunnerVU added in v0.20.0 

type MiniRunnerVU struct {
	R  MiniRunner
	ID int64
}

A VU spawned by a MiniRunner.

func (*MiniRunnerVU) Reconfigure added in v0.20.0 

func (vu *MiniRunnerVU) Reconfigure(id int64) error

func (MiniRunnerVU) RunOnce added in v0.20.0 

func (vu MiniRunnerVU) RunOnce(ctx context.Context) ([]stats.SampleContainer, error)

type Options 

type Options struct {
	// Should the test start in a paused state?
	Paused null.Bool `json:"paused" envconfig:"paused"`

	// Initial values for VUs, max VUs, duration cap, iteration cap, and stages.
	// See the Runner or Executor interfaces for more information.
	VUs        null.Int           `json:"vus" envconfig:"vus"`
	VUsMax     null.Int           `json:"vusMax" envconfig:"vus_max"`
	Duration   types.NullDuration `json:"duration" envconfig:"duration"`
	Iterations null.Int           `json:"iterations" envconfig:"iterations"`
	Stages     []Stage            `json:"stages" envconfig:"stages"`

	// Timeouts for the setup() and teardown() functions
	SetupTimeout    types.NullDuration `json:"setupTimeout" envconfig:"setup_timeout"`
	TeardownTimeout types.NullDuration `json:"teardownTimeout" envconfig:"teardown_timeout"`

	// Limit HTTP requests per second.
	RPS null.Int `json:"rps" envconfig:"rps"`

	// How many HTTP redirects do we follow?
	MaxRedirects null.Int `json:"maxRedirects" envconfig:"max_redirects"`

	// Default User Agent string for HTTP requests.
	UserAgent null.String `json:"userAgent" envconfig:"user_agent"`

	// How many batch requests are allowed in parallel, in total and per host?
	Batch        null.Int `json:"batch" envconfig:"batch"`
	BatchPerHost null.Int `json:"batchPerHost" envconfig:"batch_per_host"`

	// Should all HTTP requests and responses be logged (excluding body)?
	HttpDebug null.String `json:"httpDebug" envconfig:"http_debug"`

	// Accept invalid or untrusted TLS certificates.
	InsecureSkipTLSVerify null.Bool `json:"insecureSkipTLSVerify" envconfig:"insecure_skip_tls_verify"`

	// Specify TLS versions and cipher suites, and present client certificates.
	TLSCipherSuites *TLSCipherSuites `json:"tlsCipherSuites" envconfig:"tls_cipher_suites"`
	TLSVersion      *TLSVersions     `json:"tlsVersion" envconfig:"tls_version"`
	TLSAuth         []*TLSAuth       `json:"tlsAuth" envconfig:"tlsauth"`

	// Throw warnings (eg. failed HTTP requests) as errors instead of simply logging them.
	Throw null.Bool `json:"throw" envconfig:"throw"`

	// Define thresholds; these take the form of 'metric=["snippet1", "snippet2"]'.
	// To create a threshold on a derived metric based on tag queries ("submetrics"), create a
	// metric on a nonexistent metric named 'real_metric{tagA:valueA,tagB:valueB}'.
	Thresholds map[string]stats.Thresholds `json:"thresholds" envconfig:"thresholds"`

	// Blacklist IP ranges that tests may not contact. Mainly useful in hosted setups.
	BlacklistIPs []*net.IPNet `json:"blacklistIPs" envconfig:"blacklist_ips"`

	// Hosts overrides dns entries for given hosts
	Hosts map[string]net.IP `json:"hosts" envconfig:"hosts"`

	// Do not reuse connections between VU iterations. This gives more realistic results (depending
	// on what you're looking for), but you need to raise various kernel limits or you'll get
	// errors about running out of file handles or sockets, or being unable to bind addresses.
	NoConnectionReuse null.Bool `json:"noConnectionReuse" envconfig:"no_connection_reuse"`

	// These values are for third party collectors' benefit.
	// Can't be set through env vars.
	External map[string]json.RawMessage `json:"ext" ignored:"true"`

	// Summary trend stats for trend metrics (response times) in CLI output
	SummaryTrendStats []string `json:"summaryTrendStats" envconfig:"summary_trend_stats"`

	// Summary time unit for summary metrics (response times) in CLI output
	SummaryTimeUnit null.String `json:"summaryTimeUnit" envconfig:"summary_time_unit"`

	// Which system tags to include with metrics ("method", "vu" etc.)
	SystemTags TagSet `json:"systemTags" envconfig:"system_tags"`

	// Tags to be applied to all samples for this running
	RunTags *stats.SampleTags `json:"tags" envconfig:"tags"`
}

func (Options) Apply 

func (o Options) Apply(opts Options) Options

Returns the result of overwriting any fields with any that are set on the argument.

Example: 

a := Options{VUs: null.IntFrom(10), VUsMax: null.IntFrom(10)}
b := Options{VUs: null.IntFrom(5)}
a.Apply(b) // Options{VUs: null.IntFrom(5), VUsMax: null.IntFrom(10)}

type Runner 

type Runner interface {
	// Creates an Archive of the runner. There should be a corresponding NewFromArchive() function
	// that will restore the runner from the archive.
	MakeArchive() *Archive

	// Spawns a new VU. It's fine to make this function rather heavy, if it means a performance
	// improvement at runtime. Remember, this is called once per VU and normally only at the start
	// of a test - RunOnce() may be called hundreds of thousands of times, and must be fast.
	NewVU() (VU, error)

	// Runs pre-test setup, if applicable.
	Setup(ctx context.Context) error

	// Returns the setup data if setup() is specified and run, nil otherwise
	GetSetupData() interface{}

	// Saves the externally supplied setup data in the runner
	SetSetupData(interface{})

	// Runs post-test teardown, if applicable.
	Teardown(ctx context.Context) error

	// Returns the default (root) Group.
	GetDefaultGroup() *Group

	// Get and set options. The initial value will be whatever the script specifies (for JS,
	// `export let options = {}`); cmd/run.go will mix this in with CLI-, config- and env-provided
	// values and write it back to the runner.
	GetOptions() Options
	SetOptions(opts Options)
}

A Runner is a factory for VUs. It should precompute as much as possible upon creation (parse ASTs, load files into memory, etc.), so that spawning VUs becomes as fast as possible. The Runner doesn't actually *do* anything in itself, the Executor is responsible for wrapping and scheduling these VUs for execution.

TODO: Rename this to something more obvious? This name made sense a very long time ago.

type RuntimeOptions added in v0.20.0 

type RuntimeOptions struct {
	// Whether to pass the actual system environment variables to the JS runtime
	IncludeSystemEnvVars null.Bool `json:"includeSystemEnvVars" envconfig:"include_system_env_vars"`

	// Environment variables passed onto the runner
	Env map[string]string `json:"env" envconfig:"env"`
}

RuntimeOptions are settings passed onto the goja JS runtime

func (RuntimeOptions) Apply added in v0.20.0 

func (o RuntimeOptions) Apply(opts RuntimeOptions) RuntimeOptions

Apply overwrites the receiver RuntimeOptions' fields with any that are set on the argument struct and returns the receiver

type SourceData added in v0.9.0 

type SourceData struct {
	Data     []byte
	Filename string
}

Wraps a source file; data and filename.

type Stage 

type Stage StageFields

A Stage defines a step in a test's timeline.

func (Stage) MarshalJSON added in v0.18.0 

func (s Stage) MarshalJSON() ([]byte, error)

func (*Stage) UnmarshalJSON added in v0.9.2 

func (s *Stage) UnmarshalJSON(b []byte) error

For some reason, implementing UnmarshalText makes encoding/json treat the type as a string.

func (*Stage) UnmarshalText added in v0.18.0 

func (s *Stage) UnmarshalText(b []byte) error

type StageFields added in v0.18.0 

type StageFields struct {
	// Duration of the stage.
	Duration types.NullDuration `json:"duration"`

	// If Valid, the VU count will be linearly interpolated towards this value.
	Target null.Int `json:"target"`
}

StageFields defines the fields used for a Stage; this is a dumb hack to make the JSON code cleaner. pls fix.

type TLSAuth added in v0.17.2 

type TLSAuth struct {
	TLSAuthFields
	// contains filtered or unexported fields
}

Defines a TLS client certificate to present to certain hosts.

func (*TLSAuth) Certificate added in v0.17.2 

func (c *TLSAuth) Certificate() (*tls.Certificate, error)

func (*TLSAuth) UnmarshalJSON added in v0.17.2 

func (c *TLSAuth) UnmarshalJSON(data []byte) error

type TLSAuthFields added in v0.17.2 

type TLSAuthFields struct {
	// Certificate and key as a PEM-encoded string, including "-----BEGIN CERTIFICATE-----".
	Cert string `json:"cert"`
	Key  string `json:"key"`

	// Domains to present the certificate to. May contain wildcards, eg. "*.example.com".
	Domains []string `json:"domains"`
}

Fields for TLSAuth. Unmarshalling hack.

type TLSCipherSuites added in v0.17.0 

type TLSCipherSuites []uint16

A list of TLS cipher suites. Marshals and unmarshals from a list of names, eg. "TLS_ECDHE_RSA_WITH_RC4_128_SHA". BUG: This currently doesn't marshal back to JSON properly!!

func (*TLSCipherSuites) UnmarshalJSON added in v0.17.0 

func (s *TLSCipherSuites) UnmarshalJSON(data []byte) error

type TLSVersion added in v0.17.0 

type TLSVersion int

Describes a TLS version. Serialised to/from JSON as a string, eg. "tls1.2".

func (TLSVersion) MarshalJSON added in v0.19.0 

func (v TLSVersion) MarshalJSON() ([]byte, error)

func (*TLSVersion) UnmarshalJSON added in v0.17.0 

func (v *TLSVersion) UnmarshalJSON(data []byte) error

type TLSVersions added in v0.19.0 

type TLSVersions TLSVersionsFields

Describes a set (min/max) of TLS versions.

func (*TLSVersions) UnmarshalJSON added in v0.19.0 

func (v *TLSVersions) UnmarshalJSON(data []byte) error

type TLSVersionsFields added in v0.19.0 

type TLSVersionsFields struct {
	Min TLSVersion `json:"min"` // Minimum allowed version, 0 = any.
	Max TLSVersion `json:"max"` // Maximum allowed version, 0 = any.
}

Fields for TLSVersions. Unmarshalling hack.

type TagSet added in v0.20.0 

type TagSet map[string]bool

TagSet is a string to bool map (for lookup efficiency) that is used to keep track which system tags should be included with with metrics.

func GetTagSet added in v0.20.0 

func GetTagSet(tags ...string) TagSet

GetTagSet converts a the passed string tag names into the expected string to bool map.

func (TagSet) MarshalJSON added in v0.20.0 

func (t TagSet) MarshalJSON() ([]byte, error)

MarshalJSON converts the tags map to a list (JS array).

func (*TagSet) UnmarshalJSON added in v0.20.0 

func (t *TagSet) UnmarshalJSON(data []byte) error

UnmarshalJSON converts the tag list back to a the expected set (string to bool map).

type VU 

type VU interface {
	// Runs the VU once. The VU is responsible for handling the Halting Problem, eg. making sure
	// that execution actually stops when the context is cancelled.
	RunOnce(ctx context.Context) ([]stats.SampleContainer, error)

	// Assign the VU a new ID. Called by the Executor upon creation, but may be called multiple
	// times if the VU is recycled because the test was scaled down and then back up.
	Reconfigure(id int64) error
}

A VU is a Virtual User, that can be scheduled by an Executor.

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Package testutils is indended only for use in tests, do not import in production code!
 Package testutils is indended only for use in tests, do not import in production code!

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