config

package
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 Go to latest Published: Dec 16, 2021 License: Apache-2.0 Imports: 25 Imported by: 0

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Constants

This section is empty.

Variables

View Source 
var DefaultHTTPClientConfig = HTTPClientConfig{
	FollowRedirects: true,
}

DefaultHTTPClientConfig is the default HTTP client configuration.

Functions

func CheckTargetAddress 

func CheckTargetAddress(address string) error

func JoinDir 

func JoinDir(dir, path string) string

JoinDir joins dir and path if path is relative. If path is empty or absolute, it is returned unchanged.

func NewAuthorizationCredentialsFileRoundTripper 

func NewAuthorizationCredentialsFileRoundTripper(authType, authCredentialsFile string, rt http.RoundTripper) http.RoundTripper

NewAuthorizationCredentialsFileRoundTripper adds the authorization credentials read from the provided file to a request unless the authorization header has already been set. This file is read for every request.

func NewAuthorizationCredentialsRoundTripper 

func NewAuthorizationCredentialsRoundTripper(authType string, authCredentials Secret, rt http.RoundTripper) http.RoundTripper

NewAuthorizationCredentialsRoundTripper adds the provided credentials to a request unless the authorization header has already been set.

func NewBasicAuthRoundTripper 

func NewBasicAuthRoundTripper(username string, password Secret, passwordFile string, rt http.RoundTripper) http.RoundTripper

NewBasicAuthRoundTripper will apply a BASIC auth authorization header to a request unless it has already been set.

func NewClientFromConfig 

func NewClientFromConfig(cfg HTTPClientConfig, name string, optFuncs ...HTTPClientOption) (*http.Client, error)

NewClientFromConfig returns a new HTTP client configured for the given config.HTTPClientConfig and config.HTTPClientOption. The name is used as go-conntrack metric label.

func NewOAuth2RoundTripper 

func NewOAuth2RoundTripper(config *OAuth2, next http.RoundTripper) http.RoundTripper

func NewRoundTripperFromConfig 

func NewRoundTripperFromConfig(cfg HTTPClientConfig, name string, optFuncs ...HTTPClientOption) (http.RoundTripper, error)

NewRoundTripperFromConfig returns a new HTTP RoundTripper configured for the given config.HTTPClientConfig and config.HTTPClientOption. The name is used as go-conntrack metric label.

func NewTLSConfig 

func NewTLSConfig(cfg *TLSConfig) (*tls.Config, error)

NewTLSConfig creates a new tls.Config from the given TLSConfig.

func NewTLSRoundTripper 

func NewTLSRoundTripper(
	cfg *tls.Config,
	caFile string,
	newRT func(*tls.Config) (http.RoundTripper, error),
) (http.RoundTripper, error)

Types

type Authorization 

type Authorization struct {
	Type            string `yaml:"type,omitempty" json:"type,omitempty"`
	Credentials     Secret `yaml:"credentials,omitempty" json:"credentials,omitempty"`
	CredentialsFile string `yaml:"credentials-file,omitempty" json:"credentials-file,omitempty"`
}

Authorization contains HTTP authorization credentials.

func (*Authorization) SetDirectory 

func (a *Authorization) SetDirectory(dir string)

SetDirectory joins any relative file paths with dir.

type BasicAuth 

type BasicAuth struct {
	Username     string `yaml:"username" json:"username"`
	Password     Secret `yaml:"password,omitempty" json:"password,omitempty"`
	PasswordFile string `yaml:"password-file,omitempty" json:"password-file,omitempty"`
}

BasicAuth contains basic HTTP authentication credentials.

func (*BasicAuth) SetDirectory 

func (a *BasicAuth) SetDirectory(dir string)

SetDirectory joins any relative file paths with dir.

func (*BasicAuth) UnmarshalYAML 

func (a *BasicAuth) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface.

type Config 

type Config struct {
	// The job name to which the job label is set by default.
	JobName string `yaml:"job-name"`
	// How frequently to scrape the targets of this scrape config.
	ScrapeInterval time.Duration `yaml:"scrape-interval,omitempty"`
	// The timeout for scraping targets of this config.
	ScrapeTimeout time.Duration `yaml:"scrape-timeout,omitempty"`

	// The URL scheme with which to fetch metrics from targets.
	Scheme string `yaml:"scheme,omitempty"`
	// An uncompressed response body larger than this many bytes will cause the
	// scrape to fail. 0 means no limit.
	BodySizeLimit bytesize.ByteSize `yaml:"body-size-limit,omitempty"`

	// We cannot do proper Go type embedding below as the parser will then parse
	// values arbitrarily into the overflow maps of further-down types.
	ServiceDiscoveryConfigs discovery.Configs `yaml:"-"`
	HTTPClientConfig        HTTPClientConfig  `yaml:",inline"`

	// List of target relabel configurations.
	RelabelConfigs []*relabel.Config `yaml:"relabel-configs,omitempty"`

	// List of profiles to be scraped.
	EnabledProfiles []string `yaml:"enabled-profiles,omitempty"`
	// Profiles parameters.
	Profiles map[string]*Profile `yaml:"profiles,omitempty"`
}

func DefaultConfig 

func DefaultConfig() *Config

DefaultConfig returns the default scrape configuration.

func (*Config) IsProfileEnabled 

func (c *Config) IsProfileEnabled(p string) bool

IsProfileEnabled reports whether the given profile is enabled.

func (*Config) MarshalYAML 

func (c *Config) MarshalYAML() (interface{}, error)

MarshalYAML implements the yaml.Marshaler interface.

func (*Config) SetDirectory 

func (c *Config) SetDirectory(dir string)

SetDirectory joins any relative file paths with dir.

func (*Config) UnmarshalYAML 

func (c *Config) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface.

type DialContextFunc 

type DialContextFunc func(context.Context, string, string) (net.Conn, error)

DialContextFunc defines the signature of the DialContext() function implemented by net.Dialer.

type DirectorySetter 

type DirectorySetter interface {
	// SetDirectory joins any relative file paths with dir.
	// Any paths that are empty or absolute remain unchanged.
	SetDirectory(dir string)
}

DirectorySetter is a config type that contains file paths that may be relative to the file containing the config.

type HTTPClientConfig 

type HTTPClientConfig struct {
	// The HTTP basic authentication credentials for the targets.
	BasicAuth *BasicAuth `yaml:"basic-auth,omitempty" json:"basic-auth,omitempty"`
	// The HTTP authorization credentials for the targets.
	Authorization *Authorization `yaml:"authorization,omitempty" json:"authorization,omitempty"`
	// The OAuth2 client credentials used to fetch a token for the targets.
	OAuth2 *OAuth2 `yaml:"oauth2,omitempty" json:"oauth2,omitempty"`
	// The bearer token for the targets. Deprecated in favour of
	// Authorization.Credentials.
	BearerToken Secret `yaml:"bearer-token,omitempty" json:"bearer-token,omitempty"`
	// The bearer token file for the targets. Deprecated in favour of
	// Authorization.CredentialsFile.
	BearerTokenFile string `yaml:"bearer-token-file,omitempty" json:"bearer-token-file,omitempty"`
	// HTTP proxy server to use to connect to the targets.
	ProxyURL URL `yaml:"proxy-url,omitempty" json:"proxy-url,omitempty"`
	// TLSConfig to use to connect to the targets.
	TLSConfig TLSConfig `yaml:"tls-config,omitempty" json:"tls-config,omitempty"`
	// FollowRedirects specifies whether the client should follow HTTP 3xx redirects.
	// The omitempty flag is not set, because it would be hidden from the
	// marshalled configuration when set to false.
	FollowRedirects bool `yaml:"follow-redirects" json:"follow-redirects"`
}

HTTPClientConfig configures an HTTP client.

func (*HTTPClientConfig) SetDirectory 

func (c *HTTPClientConfig) SetDirectory(dir string)

SetDirectory joins any relative file paths with dir.

func (HTTPClientConfig) String 

func (c HTTPClientConfig) String() string

func (*HTTPClientConfig) UnmarshalJSON 

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

UnmarshalJSON implements the json.Marshaler interface for URL.

func (*HTTPClientConfig) UnmarshalYAML 

func (c *HTTPClientConfig) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface

func (*HTTPClientConfig) Validate 

func (c *HTTPClientConfig) Validate() error

Validate validates the HTTPClientConfig to check only one of BearerToken, BasicAuth and BearerTokenFile is configured.

type HTTPClientOption 

type HTTPClientOption func(options *httpClientOptions)

HTTPClientOption defines an option that can be applied to the HTTP client.

func WithDialContextFunc 

func WithDialContextFunc(fn DialContextFunc) HTTPClientOption

WithDialContextFunc allows you to override func gets used for the actual dialing. The default is `net.Dialer.DialContext`.

func WithHTTP2Disabled 

func WithHTTP2Disabled() HTTPClientOption

WithHTTP2Disabled allows to disable HTTP2.

func WithIdleConnTimeout 

func WithIdleConnTimeout(timeout time.Duration) HTTPClientOption

WithIdleConnTimeout allows setting the idle connection timeout.

func WithKeepAlivesDisabled 

func WithKeepAlivesDisabled() HTTPClientOption

WithKeepAlivesDisabled allows to disable HTTP keepalive.

type OAuth2 

type OAuth2 struct {
	ClientID         string            `yaml:"client-id" json:"client-id"`
	ClientSecret     Secret            `yaml:"client-secret" json:"client-secret"`
	ClientSecretFile string            `yaml:"client-secret-file" json:"client-secret-file"`
	Scopes           []string          `yaml:"scopes,omitempty" json:"scopes,omitempty"`
	TokenURL         string            `yaml:"token-url" json:"token-url"`
	EndpointParams   map[string]string `yaml:"endpoint-params,omitempty" json:"endpoint-params,omitempty"`

	// TLSConfig is used to connect to the token URL.
	TLSConfig TLSConfig `yaml:"tls-config,omitempty"`
}

OAuth2 is the oauth2 client configuration.

func (*OAuth2) SetDirectory 

func (a *OAuth2) SetDirectory(dir string)

SetDirectory joins any relative file paths with dir.

type Profile 

type Profile struct {
	Path string `yaml:"path,omitempty"`
	// A set of query parameters with which the target is scraped.
	Params url.Values `yaml:"params,omitempty"`
	// SampleTypes contains overrides for pprof sample types.
	SampleTypes map[string]*SampleTypeConfig `yaml:"sample-types,omitempty"`
	// AllSampleTypes specifies whether to parse samples of
	// types not listed in SampleTypes member.
	AllSampleTypes bool `yaml:"all-sample-types,omitempty"`
}

type SampleTypeConfig 

type SampleTypeConfig struct {
	Units       string `yaml:"units,omitempty"`
	DisplayName string `yaml:"display-name,omitempty"`

	// TODO(kolesnikovae): Introduce Kind?
	//  In Go, we have at least the following combinations:
	//  instant:    Aggregation:avg && !Cumulative && !Sampled
	//  cumulative: Aggregation:sum && Cumulative  && !Sampled
	//  delta:      Aggregation:sum && !Cumulative && Sampled
	Aggregation string `yaml:"aggregation,omitempty"`
	Cumulative  bool   `yaml:"cumulative,omitempty"`
	Sampled     bool   `yaml:"sampled,omitempty"`
}

type Secret 

type Secret string

Secret special type for storing secrets.

func (Secret) MarshalJSON 

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

MarshalJSON implements the json.Marshaler interface for Secret.

func (Secret) MarshalYAML 

func (s Secret) MarshalYAML() (interface{}, error)

MarshalYAML implements the yaml.Marshaler interface for Secrets.

func (*Secret) UnmarshalYAML 

func (s *Secret) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface for Secrets.

type TLSConfig 

type TLSConfig struct {
	// The CA cert to use for the targets.
	CAFile string `yaml:"ca-file,omitempty" json:"ca-file,omitempty"`
	// The client cert file for the targets.
	CertFile string `yaml:"cert-file,omitempty" json:"cert-file,omitempty"`
	// The client key file for the targets.
	KeyFile string `yaml:"key-file,omitempty" json:"key-file,omitempty"`
	// Used to verify the hostname for the targets.
	ServerName string `yaml:"server-name,omitempty" json:"server-name,omitempty"`
	// Disable target certificate validation.
	InsecureSkipVerify bool `yaml:"insecure-skip-verify" json:"insecure-skip-verify"`
}

TLSConfig configures the options for TLS connections.

func (*TLSConfig) SetDirectory 

func (c *TLSConfig) SetDirectory(dir string)

SetDirectory joins any relative file paths with dir.

func (*TLSConfig) UnmarshalYAML 

func (c *TLSConfig) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface.

type URL 

type URL struct {
	*url.URL
}

URL is a custom URL type that allows validation at configuration load time.

func (URL) MarshalJSON 

func (u URL) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface for URL.

func (URL) MarshalYAML 

func (u URL) MarshalYAML() (interface{}, error)

MarshalYAML implements the yaml.Marshaler interface for URLs.

func (URL) Redacted 

func (u URL) Redacted() string

Redacted returns the URL but replaces any password with "xxxxx".

func (*URL) UnmarshalJSON 

func (u *URL) UnmarshalJSON(data []byte) error

UnmarshalJSON implements the json.Marshaler interface for URL.

func (*URL) UnmarshalYAML 

func (u *URL) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface for URLs.

Source Files

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