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config.go
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/
config.go
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package storage
import (
"time"
"github.com/pkg/errors"
config_util "github.com/prometheus/common/config"
"github.com/prometheus/common/model"
)
var (
// DefaultRemoteReadConfig is the default remote read configuration.
DefaultRemoteReadConfig = RemoteReadConfig{
RemoteTimeout: model.Duration(1 * time.Minute),
}
)
type RemoteReadConfig struct {
URL *config_util.URL `yaml:"url"`
RemoteTimeout model.Duration `yaml:"remote_timeout,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_util.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"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *RemoteReadConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultRemoteReadConfig
type plain RemoteReadConfig
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.URL == nil {
return errors.New("url for remote_read is empty")
}
// The UnmarshalYAML method of HTTPClientConfig is not being called because it's not a pointer.
// We cannot make it a pointer as the parser panics for inlined pointer structs.
// Thus we just do its validation here.
return c.HTTPClientConfig.Validate()
}