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696d2a7 Oct 19, 2016
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// Copyright 2016 Netflix, Inc.
//
// 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 tracker provides an entry point for instantiating Trackers
package tracker
import (
"github.com/Netflix/chaosmonkey"
"github.com/Netflix/chaosmonkey/config"
"github.com/Netflix/chaosmonkey/deps"
"github.com/pkg/errors"
)
func init() {
deps.GetTrackers = getTrackers
}
// getTrackers returns a list of trackers specified in the configuration
func getTrackers(cfg *config.Monkey) ([]chaosmonkey.Tracker, error) {
var result []chaosmonkey.Tracker
kinds, err := cfg.Trackers()
if err != nil {
return nil, err
}
for _, kind := range kinds {
tr, err := getTracker(kind, cfg)
if err != nil {
return nil, err
}
result = append(result, tr)
}
return result, nil
}
// getTracker returns a tracker by name
// No trackers have been implemented yet
func getTracker(kind string, cfg *config.Monkey) (chaosmonkey.Tracker, error) {
switch kind {
// As trackers are contributed to the open source project, they should
// be instantiated here
default:
return nil, errors.Errorf("unsupported tracker: %s", kind)
}
}