forked from bellycard/procd
/
heka.go
198 lines (178 loc) · 6.43 KB
/
heka.go
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// Copyright 2013, Belly, 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 main
import (
"code.google.com/p/go-uuid/uuid"
"encoding/json"
"github.com/bellycard/procd/resources"
"github.com/mozilla-services/heka/client"
"github.com/mozilla-services/heka/message"
"os"
)
type HekaClient struct {
client client.Client
encoder client.Encoder // I.e. protobufs
sender client.Sender // I.e. tcp
pid int32
hostname string
}
// NewHekaClient returns a new HekaClient with process ID, hostname, encoder and sender.
func NewHekaClient(h, hn string) (self *HekaClient, err error) {
self = &HekaClient{}
self.pid = int32(os.Getpid())
if hn == "" {
self.hostname, _ = os.Hostname()
} else {
self.hostname = hn
}
self.encoder = client.NewProtobufEncoder(nil)
self.sender, err = client.NewNetworkSender("tcp", h)
if err == nil {
return self, nil
}
return
}
func (self HekaClient) SendCPUResources(pl *resources.Collection, ipl bool) (err error) {
var stream []byte
msg := &message.Message{}
msg.SetTimestamp(pl.Timestamp.UnixNano())
msg.SetUuid(uuid.NewRandom())
msg.SetType("procd.resources.cpu")
msg.SetLogger("procd")
msg.SetPid(self.pid)
msg.SetSeverity(int32(6))
msg.SetHostname(self.hostname)
if ipl == true {
marshalledPayload, _ := json.MarshalIndent(pl, "", " ")
msg.SetPayload(string(marshalledPayload))
}
// Super awful way to do this, should use reflection but need to test quickly
f, _ := message.NewField("CpuUser", pl.CPU.User, "")
msg.AddField(f)
f, _ = message.NewField("CpuNice", pl.CPU.Nice, "")
msg.AddField(f)
f, _ = message.NewField("CpuIdle", pl.CPU.Idle, "")
msg.AddField(f)
f, _ = message.NewField("CpuIowait", pl.CPU.IOWait, "")
msg.AddField(f)
f, _ = message.NewField("CpuIrq", pl.CPU.IRQ, "")
msg.AddField(f)
f, _ = message.NewField("CpuSoftirq", pl.CPU.SoftIRQ, "")
msg.AddField(f)
f, _ = message.NewField("CpuSteal", pl.CPU.Steal, "")
msg.AddField(f)
f, _ = message.NewField("CpuGuest", pl.CPU.Guest, "")
msg.AddField(f)
f, _ = message.NewField("CpuGuestnice", pl.CPU.GuestNice, "")
msg.AddField(f)
err = self.encoder.EncodeMessageStream(msg, &stream)
verifyErrorResponse(err, "output[heka] encode message error")
err = self.sender.SendMessage(stream)
verifyErrorResponse(err, "output[heka] send message error")
return nil
}
func (self HekaClient) SendMemoryResources(pl *resources.Collection, ipl bool) (err error) {
var stream []byte
msg := &message.Message{}
msg.SetTimestamp(pl.Timestamp.UnixNano())
msg.SetUuid(uuid.NewRandom())
msg.SetType("procd.resources.memory")
msg.SetLogger("procd")
msg.SetPid(self.pid)
msg.SetSeverity(int32(6))
msg.SetHostname(self.hostname)
if ipl == true {
marshalledPayload, _ := json.MarshalIndent(pl, "", " ")
msg.SetPayload(string(marshalledPayload))
}
// Super awful way to do this, should use reflection but need to test quickly
f, _ := message.NewField("MemoryTotal", pl.Memory.Total, "")
msg.AddField(f)
f, _ = message.NewField("MemoryFree", pl.Memory.Free, "")
msg.AddField(f)
f, _ = message.NewField("MemorySwapTotal", pl.Memory.SwapTotal, "")
msg.AddField(f)
f, _ = message.NewField("MemorySwapFree", pl.Memory.SwapFree, "")
msg.AddField(f)
f, _ = message.NewField("MemoryBuffers", pl.Memory.Buffers, "")
msg.AddField(f)
f, _ = message.NewField("MemoryCached", pl.Memory.Cached, "")
msg.AddField(f)
err = self.encoder.EncodeMessageStream(msg, &stream)
verifyErrorResponse(err, "output[heka] encode message error")
err = self.sender.SendMessage(stream)
verifyErrorResponse(err, "output[heka] send message error")
return nil
}
func (self HekaClient) SendDiskResources(pl *resources.Collection, ipl bool) (err error) {
// Super awful way to do this, should use reflection but need to test quickly
for _, v := range pl.Disk {
var stream []byte
msg := &message.Message{}
msg.SetTimestamp(pl.Timestamp.UnixNano())
msg.SetUuid(uuid.NewRandom())
msg.SetType("procd.resources.disk")
msg.SetLogger("procd")
msg.SetPid(self.pid)
msg.SetSeverity(int32(6))
msg.SetHostname(self.hostname)
if ipl == true {
marshalledPayload, _ := json.MarshalIndent(pl, "", " ")
msg.SetPayload(string(marshalledPayload))
}
f, _ := message.NewField("DiskMajorNumber", v.MajorNumber, "")
msg.AddField(f)
f, _ = message.NewField("DiskMinorNumber", v.MinorNumber, "")
msg.AddField(f)
f, _ = message.NewField("DiskDeviceName", v.DeviceName, "")
msg.AddField(f)
f, _ = message.NewField("DiskReadsComplete", v.ReadsComplete, "")
msg.AddField(f)
f, _ = message.NewField("DiskReadsMerged", v.ReadsMerged, "")
msg.AddField(f)
f, _ = message.NewField("DiskSectorsRead", v.SectorsRead, "")
msg.AddField(f)
f, _ = message.NewField("DiskTimeSpentReading", v.TimeSpentReading, "")
msg.AddField(f)
f, _ = message.NewField("DiskWritesComplete", v.WritesComplete, "")
msg.AddField(f)
f, _ = message.NewField("DiskWritesMerged", v.WritesMerged, "")
msg.AddField(f)
f, _ = message.NewField("DiskSectorsWritten", v.SectorsWritten, "")
msg.AddField(f)
f, _ = message.NewField("DiskTimeSpentWriting", v.TimeSpentWriting, "")
msg.AddField(f)
f, _ = message.NewField("DiskIoCurrent", v.CurrentIO, "")
msg.AddField(f)
f, _ = message.NewField("DiskIoTime", v.IOTime, "")
msg.AddField(f)
f, _ = message.NewField("DiskIoTimeWeighted", v.WeightedIOTime, "")
msg.AddField(f)
f, _ = message.NewField("DiskFilesystemType", v.FilesystemType, "")
msg.AddField(f)
f, _ = message.NewField("DiskFilesystemBlocks", v.Blocks, "")
msg.AddField(f)
f, _ = message.NewField("DiskFilesystemBlocksUsed", v.BlocksUsed, "")
msg.AddField(f)
f, _ = message.NewField("DiskFilesystemBlocksFree", v.BlocksFree, "")
msg.AddField(f)
f, _ = message.NewField("DiskFilesystemMountpoint", v.MountPoint, "")
msg.AddField(f)
err = self.encoder.EncodeMessageStream(msg, &stream)
verifyErrorResponse(err, "output[heka] encode message error")
err = self.sender.SendMessage(stream)
verifyErrorResponse(err, "output[heka] send message error")
}
return nil
}