/
config.go
128 lines (109 loc) · 3.49 KB
/
config.go
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// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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.
// Config is put into a different package to prevent cyclic imports in case
// it is needed in several locations
package config
import (
"fmt"
//"os"
"time"
logp "github.com/elastic/beats/libbeat/logp"
//"github.com/elastic/beats/libbeat/common"
)
type Config struct {
Fields map[string]string `config:"fields"`
Inputs []Input `config:"inputs"`
}
type Input struct {
Disabled bool `config:"disabled"`
Name string `config:"name"`
Period time.Duration `config:"period"`
Threshold time.Duration `config:"threshold"`
Paths []string `config:"paths"`
Whitelist []string `config:"whitelist"`
Blacklist []string `config:"blacklist"`
Max_depth int `config:"max_depth"`
Attribute string `config:"attribute"`
Heartbeat bool `config:"heartbeat"`
}
var DefaultConfig Config
func Validate(src []Input) ([]Input, error) {
var err error
dest := make([]Input, 0)
for _, si := range src {
v_input := Input{
Period: 60,
Attribute: "mtime",
Max_depth: 0,
}
// If there is no name that is bad, error
if si.Name == "" {
return dest, fmt.Errorf("import specified without a name.")
} else {
v_input.Name = si.Name
}
// Period can be undefined, if so 60 is default
if si.Period != 0 {
v_input.Period = si.Period
}
// Period can be undefined, if so 60 is the default
if si.Threshold != 0 {
v_input.Threshold = si.Threshold
}
// There is a set of valid attributes and a default.
// if it is set to anything else we're going to error
valid_attributes := []string{"mtime", "ctime", "atime", ""}
if Contains(v_input.Attribute, valid_attributes) {
if si.Attribute != "" {
v_input.Attribute = si.Attribute
} else {
v_input.Attribute = "mtime"
}
} else {
return dest, fmt.Errorf("Invalid attribute: %s", si.Attribute)
}
// Paths must not be empty
if len(si.Paths) == 0 {
logp.Err("No paths specified in input: %s", si.Name)
return dest, err
} else {
for _, path := range si.Paths{
v_input.Paths = append(v_input.Paths, path)
}
}
for _, rx := range si.Blacklist{
v_input.Blacklist = append(v_input.Blacklist, rx)
}
for _, rx := range si.Whitelist{
v_input.Whitelist = append(v_input.Whitelist, rx)
}
if len(v_input.Whitelist) > 0 && len(v_input.Blacklist) > 0 {
return dest, fmt.Errorf("It seems like an input config has both whitelist" +
"and blacklist are specified.")
}
dest = append(dest, v_input)
}
return dest, nil
}
func Contains(str string, list []string) bool {
for _, v := range list {
if v == str {
return true
}
}
return false
}