Merge branch 'master' of https://github.com/didi/nightingale

sql/n9e_mon-patch.sql

@@ -1 +1,7 @@
+set names utf8;
+use n9e_mon;
 
+
+alter table collect_rule change `last_updator` `updater` varchar(64) NOT NULL DEFAULT '' COMMENT 'updater';
+alter table collect_rule add `created_at` bigint NOT NULL DEFAULT 0;
+alter table collect_rule add `updated_at` bigint NOT NULL DEFAULT 0;

sql/n9e_mon.sql

@@ -331,9 +331,10 @@ CREATE TABLE `collect_rule` (
   `data` blob NULL COMMENT 'data',
   `tags` varchar(512) NOT NULL DEFAULT '' COMMENT 'tags',
   `creator` varchar(64) NOT NULL DEFAULT '' COMMENT 'creator',
-  `last_updator` varchar(64) NOT NULL DEFAULT '' COMMENT 'last_updator',
+  `updater` varchar(64) NOT NULL DEFAULT '' COMMENT 'updater',
   `created` datetime NOT NULL  COMMENT 'created',
-  `last_updated` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  `created_at` bigint not null default 0,
+  `updated_at` bigint not null default 0,
   PRIMARY KEY (`id`),
   KEY `idx_nid` (`nid`),
   KEY `idx_collect_type` (`collect_type`)

src/models/mon_aggr.go

@@ -130,7 +130,7 @@ func (a *AggrCalc) Update(cols ...string) error {
 		return err
 	}
 
-	err = saveHist(a.Id, "calc", "update", a.Creator, string(straByte), session)
+	err = saveHistory(a.Id, "calc", "update", a.Creator, string(straByte), session)
 	if err != nil {
 		session.Rollback()
 		return err
@@ -170,7 +170,7 @@ func AggrCalcDel(id int64) error {
 		return err
 	}
 
-	err = saveHist(obj.Id, "calc", "delete", obj.Creator, string(straByte), session)
+	err = saveHistory(obj.Id, "calc", "delete", obj.Creator, string(straByte), session)
 	if err != nil {
 		session.Rollback()
 		return err

src/models/mon_collect.go

@@ -304,7 +304,7 @@ func (p *PortCollect) Update() error {
 		return err
 	}
 
-	if err := saveHist(p.Id, "port", "update", p.Creator, string(portByte), session); err != nil {
+	if err := saveHistory(p.Id, "port", "update", p.Creator, string(portByte), session); err != nil {
 		session.Rollback()
 		return err
 	}
@@ -342,7 +342,7 @@ func (p *ProcCollect) Update() error {
 		return err
 	}
 
-	if err := saveHist(p.Id, "port", "update", p.Creator, string(b), session); err != nil {
+	if err := saveHistory(p.Id, "port", "update", p.Creator, string(b), session); err != nil {
 		session.Rollback()
 		return err
 	}
@@ -380,7 +380,7 @@ func (p *LogCollect) Update() error {
 		return err
 	}
 
-	if err := saveHist(p.Id, "log", "update", p.Creator, string(b), session); err != nil {
+	if err := saveHistory(p.Id, "log", "update", p.Creator, string(b), session); err != nil {
 		session.Rollback()
 		return err
 	}
@@ -438,7 +438,7 @@ func (p *PluginCollect) Update() error {
 		return err
 	}
 
-	if err := saveHist(p.Id, "plugin", "update", p.Creator, string(b), session); err != nil {
+	if err := saveHistory(p.Id, "plugin", "update", p.Creator, string(b), session); err != nil {
 		session.Rollback()
 		return err
 	}
@@ -513,7 +513,7 @@ func (a *ApiCollect) Update() error {
 		return err
 	}
 
-	if err := saveHist(a.Id, "api", "update", a.Creator, string(b), session); err != nil {
+	if err := saveHistory(a.Id, "api", "update", a.Creator, string(b), session); err != nil {
 		session.Rollback()
 		return err
 	}
@@ -545,7 +545,7 @@ func CreateCollect(collectType, creator string, collect interface{}) error {
 		return err
 	}
 
-	if err := saveHist(0, collectType, "create", creator, string(b), session); err != nil {
+	if err := saveHistory(0, collectType, "create", creator, string(b), session); err != nil {
 		session.Rollback()
 		return err
 	}
@@ -564,7 +564,7 @@ func DeleteCollectById(collectType, creator string, cid int64) error {
 		return err
 	}
 
-	if err := saveHist(cid, collectType, "delete", creator, strconv.FormatInt(cid, 10), session); err != nil {
+	if err := saveHistory(cid, collectType, "delete", creator, strconv.FormatInt(cid, 10), session); err != nil {
 		session.Rollback()
 		return err
 	}
@@ -572,7 +572,7 @@ func DeleteCollectById(collectType, creator string, cid int64) error {
 	return session.Commit()
 }
 
-func saveHist(id int64, tp string, action, username, body string, session *xorm.Session) error {
+func saveHistory(id int64, tp string, action, username, body string, session *xorm.Session) error {
 	h := CollectHist{
 		Cid:         id,
 		CollectType: tp,

src/models/mon_collect_rule.go

@@ -3,9 +3,9 @@ package models
 import (
 	"encoding/json"
 	"fmt"
-	"time"
 
 	"github.com/didi/nightingale/src/common/dataobj"
+	"xorm.io/xorm"
 )
 
 const (
@@ -24,9 +24,9 @@ type CollectRule struct {
 	Data        json.RawMessage `json:"data"`
 	Tags        string          `json:"tags" description:"k1=v1,k2=v2,k3=v3,..."`
 	Creator     string          `json:"creator" description:"just for output"`
-	LastUpdator string          `json:"last_updator" description:"just for output"`
-	Created     time.Time       `json:"created" description:"just for output"`
-	LastUpdated time.Time       `json:"last_updated" description:"just for output"`
+	Updater     string          `json:"updater" description:"just for output"`
+	CreatedAt   int64           `json:"created_at" description:"just for output"`
+	UpdatedAt   int64           `json:"updated_at" description:"just for output"`
 }
 
 type validator interface {
@@ -51,25 +51,51 @@ func (p *CollectRule) Validate(v ...interface{}) error {
 	}
 
 	if len(v) > 0 && v[0] != nil {
-		if err := json.Unmarshal(p.Data, v[0]); err != nil {
+		obj := v[0]
+		if err := json.Unmarshal(p.Data, obj); err != nil {
 			return err
 		}
-		if o, ok := v[0].(validator); ok {
+		if o, ok := obj.(validator); ok {
 			if err := o.Validate(); err != nil {
 				return err
 			}
 		}
+		b, err := json.Marshal(obj)
+		if err != nil {
+			return err
+		}
+		p.Data = json.RawMessage(b)
 	}
 
 	return nil
 }
 
-func GetCollectRules() ([]*CollectRule, error) {
+func DumpCollectRules() ([]*CollectRule, error) {
 	rules := []*CollectRule{}
 	err := DB["mon"].Find(&rules)
 	return rules, err
 }
 
+func GetCollectRules(typ string, nid int64, limit, offset int) (total int64, list []*CollectRule, err error) {
+	search := func() *xorm.Session {
+		session := DB["mon"].Where("1=1")
+		if nid != 0 {
+			session = session.And("nid=?", nid)
+		}
+		if typ != "" {
+			return session.And("collect_type=?", typ)
+		}
+		return session
+	}
+
+	if total, err = search().Count(new(CollectRule)); err != nil {
+		return
+	}
+
+	err = search().Desc("created").Limit(limit, offset).Find(&list)
+	return
+}
+
 func (p *CollectRule) Update() error {
 	session := DB["mon"].NewSession()
 	defer session.Close()
@@ -90,7 +116,7 @@ func (p *CollectRule) Update() error {
 		return err
 	}
 
-	if err := saveHist(p.Id, p.CollectType, "update", p.Creator, string(b), session); err != nil {
+	if err := saveHistory(p.Id, p.CollectType, "update", p.Creator, string(b), session); err != nil {
 		session.Rollback()
 		return err
 	}

src/modules/agent/sys/funcs/cpustat.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/cron.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/dfstat.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/diskstat.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/fsstat.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/funcs.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/ifstat.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/loadavg.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/meminfo.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/snmp.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/sockstas.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/funcs/sys.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 funcs
 
 import (

src/modules/agent/sys/plugins/plugin.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 plugins
 
 type Plugin struct {

src/modules/agent/sys/plugins/reader.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 plugins
 
 import (

src/modules/agent/sys/plugins/scheduler.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 plugins
 
 import (

src/modules/job/http/router_task.go

@@ -292,7 +292,12 @@ func taskHostStdout(c *gin.Context) {
 	}
 
 	url := fmt.Sprintf("http://%s:%d/output/%d/stdout.json", host, config.Config.Output.RemotePort, id)
-	resp, err := http.Get(url)
+	client := &http.Client{
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+	resp, err := client.Get(url)
 	dangerous(err)
 
 	defer resp.Body.Close()
@@ -320,7 +325,12 @@ func taskHostStderr(c *gin.Context) {
 	}
 
 	url := fmt.Sprintf("http://%s:%d/output/%d/stderr.json", host, config.Config.Output.RemotePort, id)
-	resp, err := http.Get(url)
+	client := &http.Client{
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+	resp, err := client.Get(url)
 	dangerous(err)
 
 	defer resp.Body.Close()

src/modules/judge/cache/history.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 cache
 
 import (

src/modules/judge/cache/linkedlist.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 cache
 
 import (

src/modules/judge/judge/func.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 judge
 
 import (

src/modules/judge/judge/judge.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 judge
 
 import (

src/modules/judge/rpc/push.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 rpc
 
 import (

src/modules/monapi/collector/basecollector.go

@@ -3,6 +3,7 @@ package collector
 import (
 	"encoding/json"
 	"fmt"
+	"time"
 
 	"github.com/didi/nightingale/src/models"
 	"github.com/influxdata/telegraf"
@@ -91,8 +92,11 @@ func (p BaseCollector) Create(data []byte, username string) error {
 		return fmt.Errorf("permission deny")
 	}
 
+	now := time.Now().Unix()
 	collect.Creator = username
-	collect.LastUpdator = username
+	collect.CreatedAt = now
+	collect.Updater = username
+	collect.UpdatedAt = now
 
 	old, err := p.GetByNameAndNid(collect.Name, collect.Nid)
 	if err != nil {
@@ -135,8 +139,8 @@ func (p BaseCollector) Update(data []byte, username string) error {
 		return fmt.Errorf("采集不存在 type:%s id:%d", p.name, collect.Id)
 	}
 
-	collect.Creator = username
-	collect.LastUpdator = username
+	collect.Updater = username
+	collect.UpdatedAt = time.Now().Unix()
 
 	old, err := p.GetByNameAndNid(collect.Name, collect.Nid)
 	if err != nil {

src/modules/monapi/collector/template.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"reflect"
+	"strconv"
 	"strings"
 	"sync"
 	"unicode"
@@ -12,12 +13,13 @@ import (
 var fieldCache sync.Map // map[reflect.Type]structFields
 
 type Field struct {
-	skip bool `json:"-"`
+	skip bool   `json:"-"`
+	def  string `json:"-"`
 	// definitions map[string][]Field `json:"-"`
 
 	Name        string             `json:"name,omitempty"`
 	Label       string             `json:"label,omitempty"`
-	Default     string             `json:"default,omitempty"`
+	Default     interface{}        `json:"default,omitempty"`
 	Example     string             `json:"example,omitempty"`
 	Description string             `json:"description,omitempty"`
 	Required    bool               `json:"required,omitempty"`
@@ -137,7 +139,7 @@ func getTagOpt(sf reflect.StructField) (opt Field) {
 
 	opt.Name = name
 	opt.Label = _s(sf.Tag.Get("label"))
-	opt.Default = sf.Tag.Get("default")
+	opt.def = sf.Tag.Get("default")
 	opt.Example = sf.Tag.Get("example")
 	opt.Description = _s(sf.Tag.Get("description"))
 
@@ -189,15 +191,29 @@ func fieldType(t reflect.Type, in *Field, definitions map[string][]Field) {
 		t = t.Elem()
 	}
 
+	var def interface{}
+
 	switch t.Kind() {
 	case reflect.Int, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint32, reflect.Uint64:
 		in.Type = "integer"
+		if in.def != "" {
+			def, _ = strconv.ParseInt(in.def, 10, 64)
+		}
 	case reflect.Float32, reflect.Float64:
 		in.Type = "float"
+		if in.def != "" {
+			def, _ = strconv.ParseFloat(in.def, 64)
+		}
 	case reflect.Bool:
 		in.Type = "boolean"
+		if in.def != "" {
+			def = in.def == "true"
+		}
 	case reflect.String:
 		in.Type = "string"
+		if in.def != "" {
+			def = in.def
+		}
 	case reflect.Struct:
 		name := t.String()
 		if _, ok := definitions[name]; !ok {
@@ -222,8 +238,17 @@ func fieldType(t reflect.Type, in *Field, definitions map[string][]Field) {
 		} else {
 			panic(fmt.Sprintf("unspport type %s items %s", t.String(), t2.String()))
 		}
+		if t2.Kind() == reflect.String && in.def != "" {
+			var s []string
+			json.Unmarshal([]byte(in.def), &s)
+			def = s
+		}
 	default:
 		panic(fmt.Sprintf("unspport type %s", t.String()))
 		// in.Type = "string"
 	}
+
+	if def != nil {
+		in.Default = def
+	}
 }

src/modules/monapi/http/router.go

@@ -20,6 +20,11 @@ func Config(r *gin.Engine) {
 		sys.GET("/addr", addr)
 	}
 
+	generic := r.Group("/api/mon").Use(GetCookieUser())
+	{
+		generic.GET("/regions", func(c *gin.Context) { renderData(c, config.Get().Region, nil) })
+	}
+
 	node := r.Group("/api/mon/node").Use(GetCookieUser())
 	{
 		node.GET("/:id/maskconf", maskconfGets)
@@ -104,7 +109,7 @@ func Config(r *gin.Engine) {
 	collectRules := r.Group("/api/mon/collect-rules").Use(GetCookieUser())
 	{
 		collectRules.POST("", collectRulePost)                            // create a collect rule
-		collectRules.GET("/list", collectRulesGet)                        // get collect rules
+		collectRules.GET("/list", collectRulesGetV2)                      // get collect rules
 		collectRules.GET("", collectRuleGet)                              // get collect rule by type & id
 		collectRules.PUT("", collectRulePut)                              // update collect rule by type & id
 		collectRules.DELETE("", collectsRuleDel)                          // delete collect rules by type & ids

src/modules/monapi/http/router_collect.go

@@ -3,9 +3,11 @@ package http
 import (
 	"encoding/json"
 	"fmt"
+	"log"
 	"regexp"
 	"strings"
 
+	"github.com/didi/nightingale/src/models"
 	"github.com/didi/nightingale/src/modules/monapi/collector"
 	"github.com/didi/nightingale/src/modules/monapi/scache"
 
@@ -83,6 +85,20 @@ func collectRulesGet(c *gin.Context) {
 	renderData(c, resp, nil)
 }
 
+func collectRulesGetV2(c *gin.Context) {
+	nid := queryInt64(c, "nid", 0)
+	limit := queryInt(c, "limit", 20)
+	typ := queryStr(c, "type", "")
+
+	log.Printf("typ %s", typ)
+	total, list, err := models.GetCollectRules(typ, nid, limit, offset(c, limit, 0))
+
+	renderData(c, map[string]interface{}{
+		"total": total,
+		"list":  list,
+	}, err)
+}
+
 func collectRulePut(c *gin.Context) {
 	var recv CollectRecv
 	errors.Dangerous(c.ShouldBind(&recv))

src/modules/monapi/plugins/all/all.go

@@ -2,7 +2,7 @@ package all
 
 import (
 	// remote
-	_ "github.com/didi/nightingale/src/modules/monapi/plugins/api"
+	// _ "github.com/didi/nightingale/src/modules/monapi/plugins/api"
 	// telegraf style
 	_ "github.com/didi/nightingale/src/modules/monapi/plugins/mongodb"
 	_ "github.com/didi/nightingale/src/modules/monapi/plugins/mysql"

src/modules/monapi/plugins/mongodb/mongodb.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"github.com/didi/nightingale/src/modules/monapi/collector"
+	"github.com/didi/nightingale/src/modules/monapi/plugins"
 	"github.com/didi/nightingale/src/modules/monapi/plugins/mongodb/mongodb"
 	"github.com/didi/nightingale/src/toolkits/i18n"
 	"github.com/influxdata/telegraf"
@@ -72,5 +73,6 @@ func (p *MongodbRule) TelegrafInput() (telegraf.Input, error) {
 		GatherPerdbStats:    p.GatherPerdbStats,
 		GatherColStats:      p.GatherColStats,
 		ColStatsDbs:         p.ColStatsDbs,
+		Log:                 plugins.GetLogger(),
 	}, nil
 }

src/modules/monapi/plugins/mongodb/mongodb/mongodb.go

@@ -12,7 +12,6 @@ import (
 
 	"github.com/influxdata/telegraf"
 	tlsint "github.com/influxdata/telegraf/plugins/common/tls"
-	"github.com/influxdata/telegraf/plugins/inputs"
 	"gopkg.in/mgo.v2"
 )
 
@@ -186,6 +185,7 @@ func (m *MongoDB) gatherServer(server *Server, acc telegraf.Accumulator) error {
 	return server.gatherData(acc, m.GatherClusterStatus, m.GatherPerdbStats, m.GatherColStats, m.ColStatsDbs)
 }
 
+/*
 func init() {
 	inputs.Add("mongodb", func() telegraf.Input {
 		return &MongoDB{
@@ -197,3 +197,4 @@ func init() {
 		}
 	})
 }
+*/

src/modules/monapi/plugins/mysql/mysql.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"github.com/didi/nightingale/src/modules/monapi/collector"
+	"github.com/didi/nightingale/src/modules/monapi/plugins"
 	"github.com/didi/nightingale/src/toolkits/i18n"
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/plugins/inputs/mysql"
@@ -64,10 +65,10 @@ var (
 )
 
 type MysqlRule struct {
-	Servers                             []string `label:"Servers" json:"servers,required" description:"specify servers via a url matching\n[username[:password]@][protocol[(address)]]/[?tls=[true|false|skip-verify|custom]]\nsee https://github.com/go-sql-driver/mysql#dsn-data-source-name" example:"servers = ['user:passwd@tcp(127.0.0.1:3306)/?tls=false']\nservers = ["user@tcp(127.0.0.1:3306)/?tls=false"]"`
-	PerfEventsStatementsDigestTextLimit int64    `label:"-" json:"-"`
-	PerfEventsStatementsLimit           int64    `label:"-" json:"-"`
-	PerfEventsStatementsTimeLimit       int64    `label:"-" json:"-"`
+	Servers                             []string `label:"Servers" json:"servers,required" description:"specify servers via a url matching\n[username[:password]@][protocol[(address)]]/[?tls=[true|false|skip-verify|custom]]\nsee https://github.com/go-sql-driver/mysql#dsn-data-source-name" example:"user:passwd@tcp(127.0.0.1:3306)/?tls=false"`
+	PerfEventsStatementsDigestTextLimit int64    `label:"Perf Events Statements Digest Text Limit" json:"perf_events_statements_digest_text_limit" default:"120" description:"the limits for metrics form perf_events_statements"`
+	PerfEventsStatementsLimit           int64    `label:"Perf Events Statements Limit" json:"perf_events_statements_limit" default:"250" description:"the limits for metrics form perf_events_statements"`
+	PerfEventsStatementsTimeLimit       int64    `label:"Perf Events Statements Timelimit" json:"perf_events_statements_time_limit" default:"86400" description:"the limits for metrics form perf_events_statements"`
 	TableSchemaDatabases                []string `label:"Databases" json:"table_schema_databases" description:"if the list is empty, then metrics are gathered from all database tables"`
 	GatherProcessList                   bool     `label:"Process List" json:"gather_process_list" description:"gather thread state counts from INFORMATION_SCHEMA.PROCESSLIST"`
 	GatherUserStatistics                bool     `label:"User Statistics" json:"gather_user_statistics" description:"gather user statistics from INFORMATION_SCHEMA.USER_STATISTICS"`
@@ -82,8 +83,8 @@ type MysqlRule struct {
 	GatherTableSchema                   bool     `label:"Tables" json:"gather_table_schema" description:"gather metrics from INFORMATION_SCHEMA.TABLES for databases provided above list"`
 	GatherFileEventsStats               bool     `label:"File Events Stats" json:"gather_file_events_stats" description:"gather metrics from PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME"`
 	GatherPerfEventsStatements          bool     `label:"Perf Events Statements" json:"gather_perf_events_statements" description:"gather metrics from PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_DIGEST"`
-	GatherGlobalVars                    bool     `label:"-" json:"-"`
-	IntervalSlow                        string   `label:"Interval Slow" json:"interval_slow" desc:"Some queries we may want to run less often (such as SHOW GLOBAL VARIABLES)" example:"interval_slow = '30m'" json:"-"`
+	GatherGlobalVars                    bool     `label:"Global Vars" json:"gather_global_variables" description:"gather metrics from PERFORMANCE_SCHEMA.GLOBAL_VARIABLES" default:"true"`
+	IntervalSlow                        string   `label:"Interval Slow" json:"interval_slow" desc:"Some queries we may want to run less often (such as SHOW GLOBAL VARIABLES)" example:"30m"`
 	MetricVersion                       int      `label:"-" json:"-"`
 }
 
@@ -91,6 +92,15 @@ func (p *MysqlRule) Validate() error {
 	if len(p.Servers) == 0 || p.Servers[0] == "" {
 		return fmt.Errorf("mysql.rule.servers must be set")
 	}
+	if p.PerfEventsStatementsDigestTextLimit == 0 {
+		p.PerfEventsStatementsDigestTextLimit = 120
+	}
+	if p.PerfEventsStatementsLimit == 0 {
+		p.PerfEventsStatementsLimit = 250
+	}
+	if p.PerfEventsStatementsTimeLimit == 0 {
+		p.PerfEventsStatementsTimeLimit = 86400
+	}
 	return nil
 }
 
@@ -101,9 +111,9 @@ func (p *MysqlRule) TelegrafInput() (telegraf.Input, error) {
 
 	return &mysql.Mysql{
 		Servers:                             p.Servers,
-		PerfEventsStatementsDigestTextLimit: 120,
-		PerfEventsStatementsLimit:           250,
-		PerfEventsStatementsTimeLimit:       86400,
+		PerfEventsStatementsDigestTextLimit: p.PerfEventsStatementsDigestTextLimit,
+		PerfEventsStatementsLimit:           p.PerfEventsStatementsLimit,
+		PerfEventsStatementsTimeLimit:       p.PerfEventsStatementsTimeLimit,
 		TableSchemaDatabases:                p.TableSchemaDatabases,
 		GatherProcessList:                   p.GatherProcessList,
 		GatherUserStatistics:                p.GatherUserStatistics,
@@ -118,8 +128,9 @@ func (p *MysqlRule) TelegrafInput() (telegraf.Input, error) {
 		GatherTableSchema:                   p.GatherTableSchema,
 		GatherFileEventsStats:               p.GatherFileEventsStats,
 		GatherPerfEventsStatements:          p.GatherPerfEventsStatements,
-		GatherGlobalVars:                    true,
-		IntervalSlow:                        "0m",
+		GatherGlobalVars:                    p.GatherGlobalVars,
+		IntervalSlow:                        "",
 		MetricVersion:                       2,
+		Log:                                 plugins.GetLogger(),
 	}, nil
 }

src/modules/monapi/plugins/redis/redis.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"github.com/didi/nightingale/src/modules/monapi/collector"
+	"github.com/didi/nightingale/src/modules/monapi/plugins"
 	"github.com/didi/nightingale/src/toolkits/i18n"
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/plugins/inputs/redis"
@@ -91,5 +92,6 @@ func (p *RedisRule) TelegrafInput() (telegraf.Input, error) {
 		Servers:  p.Servers,
 		Commands: commands,
 		Password: p.Password,
+		Log:      plugins.GetLogger(),
 	}, nil
 }

src/modules/monapi/plugins/util.go

@@ -0,0 +1,41 @@
+package plugins
+
+import (
+	"fmt"
+
+	"github.com/toolkits/pkg/logger"
+)
+
+var defaultLogger = Logger{}
+
+func GetLogger() *Logger {
+	return &defaultLogger
+}
+
+// telegraf.Logger
+type Logger struct{}
+
+func (l *Logger) Errorf(format string, args ...interface{}) {
+	logger.LogDepth(logger.ERROR, 1, format, args...)
+}
+func (l *Logger) Error(args ...interface{}) {
+	logger.LogDepth(logger.ERROR, 1, fmt.Sprint(args...))
+}
+func (l *Logger) Debugf(format string, args ...interface{}) {
+	logger.LogDepth(logger.DEBUG, 1, format, args...)
+}
+func (l *Logger) Debug(args ...interface{}) {
+	logger.LogDepth(logger.DEBUG, 1, fmt.Sprint(args...))
+}
+func (l *Logger) Warnf(format string, args ...interface{}) {
+	logger.LogDepth(logger.WARNING, 1, format, args...)
+}
+func (l *Logger) Warn(args ...interface{}) {
+	logger.LogDepth(logger.WARNING, 1, fmt.Sprint(args...))
+}
+func (l *Logger) Infof(format string, args ...interface{}) {
+	logger.LogDepth(logger.INFO, 1, format, args...)
+}
+func (l *Logger) Info(args ...interface{}) {
+	logger.LogDepth(logger.INFO, 1, fmt.Sprint(args...))
+}

src/modules/monapi/scache/collectrule.go

@@ -107,7 +107,7 @@ func str(in interface{}) string {
 }
 
 func (p *collectRuleCache) syncCollectRules() {
-	rules, err := models.GetCollectRules()
+	rules, err := models.DumpCollectRules()
 	if err != nil {
 		logger.Warningf("get log collectRules err:%v", err)
 	}

src/modules/prober/manager/collectrule.go

@@ -22,6 +22,7 @@ type collectRule struct {
 	tags      map[string]string
 	precision time.Duration
 	metrics   []*dataobj.MetricValue
+	lastAt    int64
 }
 
 func newCollectRule(rule *models.CollectRule) (*collectRule, error) {
@@ -120,7 +121,7 @@ func (p *collectRule) prepareMetrics() error {
 }
 
 func (p *collectRule) update(rule *models.CollectRule) error {
-	if p.CollectRule.LastUpdated == rule.LastUpdated {
+	if p.CollectRule.UpdatedAt == rule.UpdatedAt {
 		return nil
 	}
 
@@ -257,7 +258,7 @@ func (p *collectRule) AddError(err error) {
 	if err == nil {
 		return
 	}
-	logger.Debugf("Error in plugin: %v", err)
+	logger.Debugf("collectRule %s.%s(%d) Error: %s", p.CollectType, p.Name, p.Id, err)
 }
 
 func (p *collectRule) SetPrecision(precision time.Duration) {

src/modules/prober/manager/heap.go

@@ -1,8 +1,8 @@
 package manager
 
 type ruleSummary struct {
-	id        int64 // collect rule id
-	executeAt int64
+	id       int64 // collect rule id
+	activeAt int64
 }
 
 type ruleSummaryHeap []*ruleSummary
@@ -12,7 +12,7 @@ func (h ruleSummaryHeap) Len() int {
 }
 
 func (h ruleSummaryHeap) Less(i, j int) bool {
-	return h[i].executeAt < h[j].executeAt
+	return h[i].activeAt < h[j].activeAt
 }
 
 func (h ruleSummaryHeap) Swap(i, j int) {
@@ -30,5 +30,5 @@ func (h *ruleSummaryHeap) Pop() interface{} {
 }
 
 func (h *ruleSummaryHeap) Top() *ruleSummary {
-	return (*h)[len(*h)-1]
+	return (*h)[0]
 }

src/modules/prober/manager/manager.go

@@ -82,7 +82,7 @@ func (p *manager) schedule() error {
 		if p.heap.Len() == 0 {
 			return nil
 		}
-		if p.heap.Top().executeAt > now {
+		if p.heap.Top().activeAt > now {
 			return nil
 		}
 
@@ -108,7 +108,12 @@ func (p *manager) schedule() error {
 
 		p.collectRuleCh <- rule
 
-		summary.executeAt = now + int64(ruleConfig.Step)
+		logger.Debugf("%s %s %d lastAt %ds before nextAt %ds later",
+			rule.CollectType, rule.Name, rule.Id,
+			now-rule.lastAt, ruleConfig.Step)
+
+		summary.activeAt = now + int64(ruleConfig.Step)
+		rule.lastAt = now
 		heap.Push(&p.heap, summary)
 
 		continue
@@ -134,8 +139,8 @@ func (p *manager) AddRule(rule *models.CollectRule) error {
 
 	p.index[rule.Id] = ruleEntity
 	heap.Push(&p.heap, &ruleSummary{
-		id:        rule.Id,
-		executeAt: time.Now().Unix() + int64(rule.Step),
+		id:       rule.Id,
+		activeAt: time.Now().Unix() + int64(rule.Step),
 	})
 	return nil
 }

src/modules/prober/prober.go

@@ -73,6 +73,7 @@ func main() {
 		gin.SetMode(gin.ReleaseMode)
 	}
 
+	// for manager -> core.Push()
 	core.InitRpcClients()
 
 	manager.NewManager(cfg, cache.CollectRule).Start(ctx)
@@ -120,6 +121,7 @@ func start() {
 func ending(cancel context.CancelFunc) {
 	c := make(chan os.Signal, 1)
 	signal.Notify(c, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
+
 	select {
 	case <-c:
 		fmt.Printf("stop signal caught, stopping... pid=%d\n", os.Getpid())

src/modules/transfer/backend/judge.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 backend
 
 import (

src/modules/transfer/backend/tsdb/query.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 tsdb
 
 import (

src/modules/transfer/backend/tsdb/ring.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 tsdb
 
 import (

src/modules/transfer/backend/tsdb/tsdb.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 tsdb
 
 import (

src/modules/transfer/rpc/push.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 rpc
 
 import (

src/modules/tsdb/rpc/push.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 rpc
 
 import (

src/modules/tsdb/rpc/query.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 rpc
 
 import (

src/modules/tsdb/rrdtool/rrdtool.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 rrdtool
 
 import (

src/modules/tsdb/rrdtool/sync_disk.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 rrdtool
 
 import (

src/modules/tsdb/utils/utils.go

@@ -1,3 +1,17 @@
+// Copyright 2017 Xiaomi, 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 utils
 
 import (