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/*
* Copyright 2018 NEC Corporation
*
* 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 (
"context"
"github.com/BurntSushi/toml"
"github.com/distributed-monitoring/agent/pkg/common"
"github.com/go-redis/redis"
libvirt "github.com/libvirt/libvirt-go"
"log"
"sync"
)
var infoPool common.RedisPool
// Config is ...
type Config struct {
Common CommonConfig
InfoFetch InfoFetchConfig
}
// CommonConfig is ...
type CommonConfig struct {
RedisHost string `toml:"redis_host"`
RedisPort string `toml:"redis_port"`
RedisPassword string `toml:"redis_password"`
RedisDB int `toml:"redis_db"`
}
// InfoFetchConfig is ...
type InfoFetchConfig struct {
OSUsername string `toml:"os_username"`
OSUserDomainName string `toml:"os_user_domain_name"`
OSProjectDomainName string `toml:"os_project_domain_name"`
OSProjectName string `toml:"os_project_name"`
OSPassword string `toml:"os_password"`
OSAuthURL string `toml:"os_auth_url"`
}
func main() {
var config Config
_, err := toml.DecodeFile("/etc/barometer-dma/config.toml", &config)
if err != nil {
log.Println("Read error of config file")
}
var waitgroup sync.WaitGroup
libvirt.EventRegisterDefaultImpl()
redisClient := redis.NewClient(&redis.Options{
Addr: config.Common.RedisHost + ":" + config.Common.RedisPort,
Password: config.Common.RedisPassword,
DB: config.Common.RedisDB,
})
infoPool = common.RedisPool{Client: redisClient}
// Initialize redis db...
infoPool.DelAll()
conn, err := libvirt.NewConnect("qemu:///system")
if err != nil {
log.Fatalln("libvirt connect error")
}
defer conn.Close()
vmIfInfoChan := make(chan string)
{
ctx := context.Background()
waitgroup.Add(1)
go func() {
RunNeutronInfoFetch(ctx, &config, vmIfInfoChan)
waitgroup.Done()
}()
}
//Get active VM info
GetActiveDomain(conn, vmIfInfoChan)
{
ctx := context.Background()
waitgroup.Add(1)
go func() {
RunVirshEventLoop(ctx, conn, vmIfInfoChan)
waitgroup.Done()
}()
}
waitgroup.Wait()
}
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