config

type AlertingConfig struct {
	AlertRelabelConfigs []*relabel.Config   `yaml:"alert_relabel_configs,omitempty"`
	AlertmanagerConfigs AlertmanagerConfigs `yaml:"alertmanagers,omitempty"`
}

type AlertmanagerAPIVersion string

type AlertmanagerConfig struct {
	ServiceDiscoveryConfigs discovery.Configs       `yaml:"-"`
	HTTPClientConfig        config.HTTPClientConfig `yaml:",inline"`
	SigV4Config             *sigv4.SigV4Config      `yaml:"sigv4,omitempty"`

	// The URL scheme to use when talking to Alertmanagers.
	Scheme string `yaml:"scheme,omitempty"`
	// Path prefix to add in front of the push endpoint path.
	PathPrefix string `yaml:"path_prefix,omitempty"`
	// The timeout used when sending alerts.
	Timeout model.Duration `yaml:"timeout,omitempty"`

	// The api version of Alertmanager.
	APIVersion AlertmanagerAPIVersion `yaml:"api_version"`

	// List of Alertmanager relabel configurations.
	RelabelConfigs []*relabel.Config `yaml:"relabel_configs,omitempty"`
}

type AlertmanagerConfigs []*AlertmanagerConfig

type Config struct {
	GlobalConfig      GlobalConfig    `yaml:"global"`
	AlertingConfig    AlertingConfig  `yaml:"alerting,omitempty"`
	RuleFiles         []string        `yaml:"rule_files,omitempty"`
	ScrapeConfigFiles []string        `yaml:"scrape_config_files,omitempty"`
	ScrapeConfigs     []*ScrapeConfig `yaml:"scrape_configs,omitempty"`
	StorageConfig     StorageConfig   `yaml:"storage,omitempty"`
	TracingConfig     TracingConfig   `yaml:"tracing,omitempty"`

	RemoteWriteConfigs []*RemoteWriteConfig `yaml:"remote_write,omitempty"`
	RemoteReadConfigs  []*RemoteReadConfig  `yaml:"remote_read,omitempty"`
}

type ExemplarsConfig struct {
	// MaxExemplars sets the size, in # of exemplars stored, of the single circular buffer used to store exemplars in memory.
	// Use a value of 0 or less than 0 to disable the storage without having to restart Prometheus.
	MaxExemplars int64 `yaml:"max_exemplars,omitempty"`
}

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"`
	// File to which PromQL queries are logged.
	QueryLogFile string `yaml:"query_log_file,omitempty"`
	// The labels to add to any timeseries that this Prometheus instance scrapes.
	ExternalLabels labels.Labels `yaml:"external_labels,omitempty"`
	// An uncompressed response body larger than this many bytes will cause the
	// scrape to fail. 0 means no limit.
	BodySizeLimit units.Base2Bytes `yaml:"body_size_limit,omitempty"`
	// More than this many samples post metric-relabeling will cause the scrape to
	// fail. 0 means no limit.
	SampleLimit uint `yaml:"sample_limit,omitempty"`
	// More than this many targets after the target relabeling will cause the
	// scrapes to fail. 0 means no limit.
	TargetLimit uint `yaml:"target_limit,omitempty"`
	// More than this many labels post metric-relabeling will cause the scrape to
	// fail. 0 means no limit.
	LabelLimit uint `yaml:"label_limit,omitempty"`
	// More than this label name length post metric-relabeling will cause the
	// scrape to fail. 0 means no limit.
	LabelNameLengthLimit uint `yaml:"label_name_length_limit,omitempty"`
	// More than this label value length post metric-relabeling will cause the
	// scrape to fail. 0 means no limit.
	LabelValueLengthLimit uint `yaml:"label_value_length_limit,omitempty"`
	// Keep no more than this many dropped targets per job.
	// 0 means no limit.
	KeepDroppedTargets uint `yaml:"keep_dropped_targets,omitempty"`
}

type MetadataConfig struct {
	// Send controls whether we send metric metadata to remote storage.
	Send bool `yaml:"send"`
	// SendInterval controls how frequently we send metric metadata.
	SendInterval model.Duration `yaml:"send_interval"`
	// Maximum number of samples per send.
	MaxSamplesPerSend int `yaml:"max_samples_per_send,omitempty"`
}

type QueueConfig struct {
	// Number of samples to buffer per shard before we block. Defaults to
	// MaxSamplesPerSend.
	Capacity int `yaml:"capacity,omitempty"`

	// Max number of shards, i.e. amount of concurrency.
	MaxShards int `yaml:"max_shards,omitempty"`

	// Min number of shards, i.e. amount of concurrency.
	MinShards int `yaml:"min_shards,omitempty"`

	// Maximum number of samples per send.
	MaxSamplesPerSend int `yaml:"max_samples_per_send,omitempty"`

	// Maximum time sample will wait in buffer.
	BatchSendDeadline model.Duration `yaml:"batch_send_deadline,omitempty"`

	// On recoverable errors, backoff exponentially.
	MinBackoff       model.Duration `yaml:"min_backoff,omitempty"`
	MaxBackoff       model.Duration `yaml:"max_backoff,omitempty"`
	RetryOnRateLimit bool           `yaml:"retry_on_http_429,omitempty"`
}

type RemoteReadConfig struct {
	URL           *config.URL       `yaml:"url"`
	RemoteTimeout model.Duration    `yaml:"remote_timeout,omitempty"`
	Headers       map[string]string `yaml:"headers,omitempty"`
	ReadRecent    bool              `yaml:"read_recent,omitempty"`
	Name          string            `yaml:"name,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.
	HTTPClientConfig config.HTTPClientConfig `yaml:",inline"`

	// RequiredMatchers is an optional list of equality matchers which have to
	// be present in a selector to query the remote read endpoint.
	RequiredMatchers model.LabelSet `yaml:"required_matchers,omitempty"`

	// Whether to use the external labels as selectors for the remote read endpoint.
	FilterExternalLabels bool `yaml:"filter_external_labels,omitempty"`
}

type RemoteWriteConfig struct {
	URL                  *config.URL       `yaml:"url"`
	RemoteTimeout        model.Duration    `yaml:"remote_timeout,omitempty"`
	Headers              map[string]string `yaml:"headers,omitempty"`
	WriteRelabelConfigs  []*relabel.Config `yaml:"write_relabel_configs,omitempty"`
	Name                 string            `yaml:"name,omitempty"`
	SendExemplars        bool              `yaml:"send_exemplars,omitempty"`
	SendNativeHistograms bool              `yaml:"send_native_histograms,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.
	HTTPClientConfig config.HTTPClientConfig `yaml:",inline"`
	QueueConfig      QueueConfig             `yaml:"queue_config,omitempty"`
	MetadataConfig   MetadataConfig          `yaml:"metadata_config,omitempty"`
	SigV4Config      *sigv4.SigV4Config      `yaml:"sigv4,omitempty"`
	AzureADConfig    *azuread.AzureADConfig  `yaml:"azuread,omitempty"`
}

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"`
	// Indicator whether the scraped timestamps should be respected.
	HonorTimestamps bool `yaml:"honor_timestamps"`
	// Indicator whether to track the staleness of the scraped timestamps.
	TrackTimestampsStaleness bool `yaml:"track_timestamps_staleness"`
	// 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"`
	// Whether to scrape a classic histogram that is also exposed as a native histogram.
	ScrapeClassicHistograms bool `yaml:"scrape_classic_histograms,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"`
	// An uncompressed response body larger than this many bytes will cause the
	// scrape to fail. 0 means no limit.
	BodySizeLimit units.Base2Bytes `yaml:"body_size_limit,omitempty"`
	// More than this many samples post metric-relabeling will cause the scrape to
	// fail. 0 means no limit.
	SampleLimit uint `yaml:"sample_limit,omitempty"`
	// More than this many targets after the target relabeling will cause the
	// scrapes to fail. 0 means no limit.
	TargetLimit uint `yaml:"target_limit,omitempty"`
	// More than this many labels post metric-relabeling will cause the scrape to
	// fail. 0 means no limit.
	LabelLimit uint `yaml:"label_limit,omitempty"`
	// More than this label name length post metric-relabeling will cause the
	// scrape to fail. 0 means no limit.
	LabelNameLengthLimit uint `yaml:"label_name_length_limit,omitempty"`
	// More than this label value length post metric-relabeling will cause the
	// scrape to fail. 0 means no limit.
	LabelValueLengthLimit uint `yaml:"label_value_length_limit,omitempty"`
	// More than this many buckets in a native histogram will cause the scrape to
	// fail.
	NativeHistogramBucketLimit uint `yaml:"native_histogram_bucket_limit,omitempty"`
	// Keep no more than this many dropped targets per job.
	// 0 means no limit.
	KeepDroppedTargets uint `yaml:"keep_dropped_targets,omitempty"`

	ServiceDiscoveryConfigs discovery.Configs       `yaml:"-"`
	HTTPClientConfig        config.HTTPClientConfig `yaml:",inline"`

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

type ScrapeConfigs struct {
	ScrapeConfigs []*ScrapeConfig `yaml:"scrape_configs,omitempty"`
}

type StorageConfig struct {
	TSDBConfig      *TSDBConfig      `yaml:"tsdb,omitempty"`
	ExemplarsConfig *ExemplarsConfig `yaml:"exemplars,omitempty"`
}

type TSDBConfig struct {
	// OutOfOrderTimeWindow sets how long back in time an out-of-order sample can be inserted
	// into the TSDB. This flag is typically set while unmarshaling the configuration file and translating
	// OutOfOrderTimeWindowFlag's duration. The unit of this flag is expected to be the same as any
	// other timestamp in the TSDB.
	OutOfOrderTimeWindow int64

	// OutOfOrderTimeWindowFlag holds the parsed duration from the config file.
	// During unmarshall, this is converted into milliseconds and stored in OutOfOrderTimeWindow.
	// This should not be used directly and must be converted into OutOfOrderTimeWindow.
	OutOfOrderTimeWindowFlag model.Duration `yaml:"out_of_order_time_window,omitempty"`
}

type TracingClientType string

type TracingConfig struct {
	ClientType       TracingClientType `yaml:"client_type,omitempty"`
	Endpoint         string            `yaml:"endpoint,omitempty"`
	SamplingFraction float64           `yaml:"sampling_fraction,omitempty"`
	Insecure         bool              `yaml:"insecure,omitempty"`
	TLSConfig        config.TLSConfig  `yaml:"tls_config,omitempty"`
	Headers          map[string]string `yaml:"headers,omitempty"`
	Compression      string            `yaml:"compression,omitempty"`
	Timeout          model.Duration    `yaml:"timeout,omitempty"`
}