alertmanager/config/config.go

70 lines
2.2 KiB
Go

// Copyright 2013 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package config
import (
"fmt"
"time"
"code.google.com/p/goprotobuf/proto"
pb "github.com/prometheus/alert_manager/config/generated"
"github.com/prometheus/alert_manager/manager"
)
// Config encapsulates the configuration of an Alert Manager instance. It wraps
// the raw configuration protocol buffer to be able to add custom methods to
// it.
type Config struct {
// The protobuf containing the actual configuration values.
pb.AlertManagerConfig
}
// String returns an ASCII serialization of the loaded configuration protobuf.
func (c Config) String() string {
return proto.MarshalTextString(&c.AlertManagerConfig)
}
// Validate checks an entire parsed Config for the validity of its fields.
func (c Config) Validate() error {
for _, a := range c.AggregationRule {
for _, f := range a.Filter {
if f.NameRe == nil {
return fmt.Errorf("Missing name pattern (name_re) in filter definition: %s", proto.MarshalTextString(f))
}
if f.ValueRe == nil {
return fmt.Errorf("Missing value pattern (value_re) in filter definition: %s", proto.MarshalTextString(f))
}
}
}
return nil
}
// Rules returns all the AggregationRules in a Config object.
func (c Config) AggregationRules() manager.AggregationRules {
rules := make(manager.AggregationRules, 0, len(c.AggregationRule))
for _, r := range c.AggregationRule {
filters := make(manager.Filters, 0, len(r.Filter))
for _, filter := range r.Filter {
filters = append(filters, manager.NewFilter(filter.GetNameRe(), filter.GetValueRe()))
}
rules = append(rules, &manager.AggregationRule{
Filters: filters,
RepeatRate: time.Duration(r.GetRepeatRateSeconds()) * time.Second,
})
}
return rules
}