config

package
v1.0.2 Latest Latest
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 Go to latest Published: Aug 24, 2016 License: Apache-2.0 Imports: 10 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	KubernetesRoleNode      = "node"
	KubernetesRolePod       = "pod"
	KubernetesRoleContainer = "container"
	KubernetesRoleService   = "service"
	KubernetesRoleEndpoint  = "endpoint"
	KubernetesRoleAPIServer = "apiserver"
)

Variables

View Source 
var (
	// DefaultConfig is the default top-level configuration.
	DefaultConfig = Config{
		GlobalConfig: DefaultGlobalConfig,
	}

	// DefaultGlobalConfig is the default global configuration.
	DefaultGlobalConfig = GlobalConfig{
		ScrapeInterval:     model.Duration(1 * time.Minute),
		ScrapeTimeout:      model.Duration(10 * time.Second),
		EvaluationInterval: model.Duration(1 * time.Minute),
	}

	// DefaultScrapeConfig is the default scrape configuration.
	DefaultScrapeConfig = ScrapeConfig{

		MetricsPath: "/metrics",
		Scheme:      "http",
		HonorLabels: false,
	}

	// DefaultRelabelConfig is the default Relabel configuration.
	DefaultRelabelConfig = RelabelConfig{
		Action:      RelabelReplace,
		Separator:   ";",
		Regex:       MustNewRegexp("(.*)"),
		Replacement: "$1",
	}

	// DefaultDNSSDConfig is the default DNS SD configuration.
	DefaultDNSSDConfig = DNSSDConfig{
		RefreshInterval: model.Duration(30 * time.Second),
		Type:            "SRV",
	}

	// DefaultFileSDConfig is the default file SD configuration.
	DefaultFileSDConfig = FileSDConfig{
		RefreshInterval: model.Duration(5 * time.Minute),
	}

	// DefaultConsulSDConfig is the default Consul SD configuration.
	DefaultConsulSDConfig = ConsulSDConfig{
		TagSeparator: ",",
		Scheme:       "http",
	}

	// DefaultServersetSDConfig is the default Serverset SD configuration.
	DefaultServersetSDConfig = ServersetSDConfig{
		Timeout: model.Duration(10 * time.Second),
	}

	// DefaultNerveSDConfig is the default Nerve SD configuration.
	DefaultNerveSDConfig = NerveSDConfig{
		Timeout: model.Duration(10 * time.Second),
	}

	// DefaultMarathonSDConfig is the default Marathon SD configuration.
	DefaultMarathonSDConfig = MarathonSDConfig{
		RefreshInterval: model.Duration(30 * time.Second),
	}

	// DefaultKubernetesSDConfig is the default Kubernetes SD configuration
	DefaultKubernetesSDConfig = KubernetesSDConfig{
		RequestTimeout: model.Duration(10 * time.Second),
		RetryInterval:  model.Duration(1 * time.Second),
	}

	// DefaultEC2SDConfig is the default EC2 SD configuration.
	DefaultEC2SDConfig = EC2SDConfig{
		Port:            80,
		RefreshInterval: model.Duration(60 * time.Second),
	}

	// DefaultAzureSDConfig is the default Azure SD configuration.
	DefaultAzureSDConfig = AzureSDConfig{
		Port:            80,
		RefreshInterval: model.Duration(5 * time.Minute),
	}
)

The defaults applied before parsing the respective config sections.

Functions

func CheckTargetAddress 

func CheckTargetAddress(address model.LabelValue) error

CheckTargetAddress checks if target address is valid.

Types

type AzureSDConfig 

type AzureSDConfig struct {
	Port            int            `yaml:"port"`
	SubscriptionID  string         `yaml:"subscription_id"`
	TenantID        string         `yaml:"tenant_id,omitempty"`
	ClientID        string         `yaml:"client_id,omitempty"`
	ClientSecret    string         `yaml:"client_secret,omitempty"`
	RefreshInterval model.Duration `yaml:"refresh_interval,omitempty"`
	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

AzureSDConfig is the configuration for Azure based service discovery.

func (*AzureSDConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type BasicAuth 

type BasicAuth struct {
	Username string `yaml:"username"`
	Password string `yaml:"password"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

BasicAuth contains basic HTTP authentication credentials.

func (*BasicAuth) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type ClientCert 

type ClientCert struct {
	Cert string `yaml:"cert"`
	Key  string `yaml:"key"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

ClientCert contains client cert credentials.

type Config 

type Config struct {
	GlobalConfig  GlobalConfig    `yaml:"global"`
	RuleFiles     []string        `yaml:"rule_files,omitempty"`
	ScrapeConfigs []*ScrapeConfig `yaml:"scrape_configs,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
	// contains filtered or unexported fields
}

Config is the top-level configuration for Prometheus's config files.

func Load 

func Load(s string) (*Config, error)

Load parses the YAML input s into a Config.

func LoadFile 

func LoadFile(filename string) (*Config, error)

LoadFile parses the given YAML file into a Config.

func (Config) String 

func (c Config) String() string

func (*Config) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type ConsulSDConfig 

type ConsulSDConfig struct {
	Server       string `yaml:"server"`
	Token        string `yaml:"token,omitempty"`
	Datacenter   string `yaml:"datacenter,omitempty"`
	TagSeparator string `yaml:"tag_separator,omitempty"`
	Scheme       string `yaml:"scheme,omitempty"`
	Username     string `yaml:"username,omitempty"`
	Password     string `yaml:"password,omitempty"`
	// The list of services for which targets are discovered.
	// Defaults to all services if empty.
	Services []string `yaml:"services"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

ConsulSDConfig is the configuration for Consul service discovery.

func (*ConsulSDConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type DNSSDConfig 

type DNSSDConfig struct {
	Names           []string       `yaml:"names"`
	RefreshInterval model.Duration `yaml:"refresh_interval,omitempty"`
	Type            string         `yaml:"type"`
	Port            int            `yaml:"port"` // Ignored for SRV records
	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

DNSSDConfig is the configuration for DNS based service discovery.

func (*DNSSDConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type EC2SDConfig 

type EC2SDConfig struct {
	Region          string         `yaml:"region"`
	AccessKey       string         `yaml:"access_key,omitempty"`
	SecretKey       string         `yaml:"secret_key,omitempty"`
	RefreshInterval model.Duration `yaml:"refresh_interval,omitempty"`
	Port            int            `yaml:"port"`
	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

EC2SDConfig is the configuration for EC2 based service discovery.

func (*EC2SDConfig) UnmarshalYAML 

func (c *EC2SDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface.

type FileSDConfig 

type FileSDConfig struct {
	Files           []string       `yaml:"files"`
	RefreshInterval model.Duration `yaml:"refresh_interval,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

FileSDConfig is the configuration for file based discovery.

func (*FileSDConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type GlobalConfig 

type GlobalConfig struct {
	// How frequently to scrape targets by default.
	ScrapeInterval model.Duration `yaml:"scrape_interval,omitempty"`
	// The default timeout when scraping targets.
	ScrapeTimeout model.Duration `yaml:"scrape_timeout,omitempty"`
	// How frequently to evaluate rules by default.
	EvaluationInterval model.Duration `yaml:"evaluation_interval,omitempty"`
	// The labels to add to any timeseries that this Prometheus instance scrapes.
	ExternalLabels model.LabelSet `yaml:"external_labels,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

GlobalConfig configures values that are used across other configuration objects.

func (*GlobalConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type KubernetesRole 

type KubernetesRole string

func (*KubernetesRole) UnmarshalYAML 

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

type KubernetesSDConfig 

type KubernetesSDConfig struct {
	APIServers      []URL          `yaml:"api_servers"`
	Role            KubernetesRole `yaml:"role"`
	InCluster       bool           `yaml:"in_cluster,omitempty"`
	BasicAuth       *BasicAuth     `yaml:"basic_auth,omitempty"`
	BearerToken     string         `yaml:"bearer_token,omitempty"`
	BearerTokenFile string         `yaml:"bearer_token_file,omitempty"`
	RetryInterval   model.Duration `yaml:"retry_interval,omitempty"`
	RequestTimeout  model.Duration `yaml:"request_timeout,omitempty"`
	TLSConfig       TLSConfig      `yaml:"tls_config,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

KubernetesSDConfig is the configuration for Kubernetes service discovery.

func (*KubernetesSDConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type MarathonSDConfig 

type MarathonSDConfig struct {
	Servers         []string       `yaml:"servers,omitempty"`
	RefreshInterval model.Duration `yaml:"refresh_interval,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

MarathonSDConfig is the configuration for services running on Marathon.

func (*MarathonSDConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type NerveSDConfig 

type NerveSDConfig struct {
	Servers []string       `yaml:"servers"`
	Paths   []string       `yaml:"paths"`
	Timeout model.Duration `yaml:"timeout,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

NerveSDConfig is the configuration for AirBnB's Nerve in Zookeeper based discovery.

func (*NerveSDConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type Regexp 

type Regexp struct {
	*regexp.Regexp
	// contains filtered or unexported fields
}

Regexp encapsulates a regexp.Regexp and makes it YAML marshallable.

func MustNewRegexp 

func MustNewRegexp(s string) Regexp

MustNewRegexp works like NewRegexp, but panics if the regular expression does not compile.

func NewRegexp 

func NewRegexp(s string) (Regexp, error)

NewRegexp creates a new anchored Regexp and returns an error if the passed-in regular expression does not compile.

func (Regexp) MarshalYAML 

func (re Regexp) MarshalYAML() (interface{}, error)

MarshalYAML implements the yaml.Marshaler interface.

func (*Regexp) UnmarshalYAML 

func (re *Regexp) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface.

type RelabelAction 

type RelabelAction string

RelabelAction is the action to be performed on relabeling. 

const (
	// RelabelReplace performs a regex replacement.
	RelabelReplace RelabelAction = "replace"
	// RelabelKeep drops targets for which the input does not match the regex.
	RelabelKeep RelabelAction = "keep"
	// RelabelDrop drops targets for which the input does match the regex.
	RelabelDrop RelabelAction = "drop"
	// RelabelHashMod sets a label to the modulus of a hash of labels.
	RelabelHashMod RelabelAction = "hashmod"
	// RelabelLabelMap copies labels to other labelnames based on a regex.
	RelabelLabelMap RelabelAction = "labelmap"
)

func (*RelabelAction) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type RelabelConfig 

type RelabelConfig struct {
	// A list of labels from which values are taken and concatenated
	// with the configured separator in order.
	SourceLabels model.LabelNames `yaml:"source_labels,flow"`
	// Separator is the string between concatenated values from the source labels.
	Separator string `yaml:"separator,omitempty"`
	// Regex against which the concatenation is matched.
	Regex Regexp `yaml:"regex,omitempty"`
	// Modulus to take of the hash of concatenated values from the source labels.
	Modulus uint64 `yaml:"modulus,omitempty"`
	// The label to which the resulting string is written in a replacement.
	TargetLabel model.LabelName `yaml:"target_label,omitempty"`
	// Replacement is the regex replacement pattern to be used.
	Replacement string `yaml:"replacement,omitempty"`
	// Action is the action to be performed for the relabeling.
	Action RelabelAction `yaml:"action,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

RelabelConfig is the configuration for relabeling of target label sets.

func (*RelabelConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type ScrapeConfig 

type ScrapeConfig struct {
	// The job name to which the job label is set by default.
	JobName string `yaml:"job_name"`
	// Indicator whether the scraped metrics should remain unmodified.
	HonorLabels bool `yaml:"honor_labels,omitempty"`
	// A set of query parameters with which the target is scraped.
	Params url.Values `yaml:"params,omitempty"`
	// How frequently to scrape the targets of this scrape config.
	ScrapeInterval model.Duration `yaml:"scrape_interval,omitempty"`
	// The timeout for scraping targets of this config.
	ScrapeTimeout model.Duration `yaml:"scrape_timeout,omitempty"`
	// The HTTP resource path on which to fetch metrics from targets.
	MetricsPath string `yaml:"metrics_path,omitempty"`
	// The URL scheme with which to fetch metrics from targets.
	Scheme string `yaml:"scheme,omitempty"`
	// The HTTP basic authentication credentials for the targets.
	BasicAuth *BasicAuth `yaml:"basic_auth,omitempty"`
	// The bearer token for the targets.
	BearerToken string `yaml:"bearer_token,omitempty"`
	// The bearer token file for the targets.
	BearerTokenFile string `yaml:"bearer_token_file,omitempty"`
	// HTTP proxy server to use to connect to the targets.
	ProxyURL URL `yaml:"proxy_url,omitempty"`
	// TLSConfig to use to connect to the targets.
	TLSConfig TLSConfig `yaml:"tls_config,omitempty"`

	// List of labeled target groups for this job.
	StaticConfigs []*TargetGroup `yaml:"static_configs,omitempty"`
	// List of DNS service discovery configurations.
	DNSSDConfigs []*DNSSDConfig `yaml:"dns_sd_configs,omitempty"`
	// List of file service discovery configurations.
	FileSDConfigs []*FileSDConfig `yaml:"file_sd_configs,omitempty"`
	// List of Consul service discovery configurations.
	ConsulSDConfigs []*ConsulSDConfig `yaml:"consul_sd_configs,omitempty"`
	// List of Serverset service discovery configurations.
	ServersetSDConfigs []*ServersetSDConfig `yaml:"serverset_sd_configs,omitempty"`
	// NerveSDConfigs is a list of Nerve service discovery configurations.
	NerveSDConfigs []*NerveSDConfig `yaml:"nerve_sd_configs,omitempty"`
	// MarathonSDConfigs is a list of Marathon service discovery configurations.
	MarathonSDConfigs []*MarathonSDConfig `yaml:"marathon_sd_configs,omitempty"`
	// List of Kubernetes service discovery configurations.
	KubernetesSDConfigs []*KubernetesSDConfig `yaml:"kubernetes_sd_configs,omitempty"`
	// List of EC2 service discovery configurations.
	EC2SDConfigs []*EC2SDConfig `yaml:"ec2_sd_configs,omitempty"`
	// List of Azure service discovery configurations.
	AzureSDConfigs []*AzureSDConfig `yaml:"azure_sd_configs,omitempty"`

	// List of target relabel configurations.
	RelabelConfigs []*RelabelConfig `yaml:"relabel_configs,omitempty"`
	// List of metric relabel configurations.
	MetricRelabelConfigs []*RelabelConfig `yaml:"metric_relabel_configs,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

ScrapeConfig configures a scraping unit for Prometheus.

func (*ScrapeConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type ServersetSDConfig 

type ServersetSDConfig struct {
	Servers []string       `yaml:"servers"`
	Paths   []string       `yaml:"paths"`
	Timeout model.Duration `yaml:"timeout,omitempty"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

ServersetSDConfig is the configuration for Twitter serversets in Zookeeper based discovery.

func (*ServersetSDConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type TLSConfig 

type TLSConfig struct {
	// The CA cert to use for the targets.
	CAFile string `yaml:"ca_file,omitempty"`
	// The client cert file for the targets.
	CertFile string `yaml:"cert_file,omitempty"`
	// The client key file for the targets.
	KeyFile string `yaml:"key_file,omitempty"`
	// Used to verify the hostname for the targets.
	ServerName string `yaml:"server_name,omitempty"`
	// Disable target certificate validation.
	InsecureSkipVerify bool `yaml:"insecure_skip_verify"`

	// Catches all undefined fields and must be empty after parsing.
	XXX map[string]interface{} `yaml:",inline"`
}

TLSConfig configures the options for TLS connections.

func (*TLSConfig) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface.

type TargetGroup 

type TargetGroup struct {
	// Targets is a list of targets identified by a label set. Each target is
	// uniquely identifiable in the group by its address label.
	Targets []model.LabelSet
	// Labels is a set of labels that is common across all targets in the group.
	Labels model.LabelSet

	// Source is an identifier that describes a group of targets.
	Source string
}

TargetGroup is a set of targets with a common label set.

func (TargetGroup) MarshalYAML 

func (tg TargetGroup) MarshalYAML() (interface{}, error)

MarshalYAML implements the yaml.Marshaler interface.

func (TargetGroup) String 

func (tg TargetGroup) String() string

func (*TargetGroup) UnmarshalJSON 

func (tg *TargetGroup) UnmarshalJSON(b []byte) error

UnmarshalJSON implements the json.Unmarshaler interface.

func (*TargetGroup) UnmarshalYAML 

func (tg *TargetGroup) 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) MarshalYAML 

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

MarshalYAML implements the yaml.Marshaler interface for URLs.

func (*URL) UnmarshalYAML 

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

UnmarshalYAML implements the yaml.Unmarshaler interface for URLs.

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