func (ps *pubsub) connectRedis() error {
ps.lock.Lock()
defer ps.lock.Unlock()
log.Println("pubsub connect redis")
redisPub, err := goredis.Dial(&goredis.DialConfig{
Address: ps.opts.RedisPubAddress})
if err != nil {
log.Fatal("Unable to connect to redis pub", err)
return err
}
ps.redisPub = redisPub
redisSub, err := goredis.Dial(&goredis.DialConfig{
Address: ps.opts.RedisSubAddress})
if err != nil {
log.Fatal("Unable to connect to redis sub", err)
return err
}
ps.redisSub = redisSub
redisSubscriber, err := redisSub.PubSub()
if err != nil {
log.Fatal("Unable to create redis subscriber", err)
return err
}
ps.redisSubscriber = redisSubscriber
return nil
}
func main() {
ElasticClient, err := elastic.NewClient()
if err != nil {
fmt.Println("ES start error: ", err)
} else {
fmt.Println("Connection to ES server established successfully...")
}
RedisClient, err2 := goredis.Dial(&goredis.DialConfig{Address: "0.0.0.0:6379"})
if err2 != nil {
fmt.Println("Redis start error: ", err)
} else {
fmt.Println("Connection to redis-server established successfully...")
}
file, _ := os.OpenFile("index.txt", os.O_APPEND|os.O_WRONLY, 0666)
messages := make(chan string)
go func() {
for {
FetchFromRedis(messages, RedisClient)
}
}()
for {
select {
case val := <-messages:
file.WriteString(string(val) + '\n')
val = StoreDistance(val)
Store2ES(ElasticClient, file, val)
}
}
}
func supercars_05_delete(m *gogrinder.Meta, s gogrinder.Settings) {
var mm *req.HttpMetric
c := req.NewDefaultClient()
base := s["supercars_url"].(string)
b := gg.NewBracket("05_01_supercars_delete")
redis, err := goredis.Dial(&goredis.DialConfig{Address: s["redis_srv"].(string)})
if err != nil {
// is the redis server running? correct address?
m.Error += err.Error()
return
}
id, err := redis.SPop("supercars")
if err != nil {
// probably run out of data - so it does not make sense to continue
m.Error += err.Error()
return
}
r, err := http.NewRequest("DELETE", base+"/rest/supercars/"+string(id), nil)
if err != nil {
m.Error += err.Error()
mm = &req.HttpMetric{*m, 0, 0, 400}
} else {
_, _, mm = req.DoRaw(c, r, m)
}
b.End(mm)
}
func New(conf *configReader.Config) *redis.Redis {
conn, connErr := redis.Dial(&redis.DialConfig{Address: conf.RedisAddress})
if connErr != nil {
panic(connErr)
}
return conn
}
func supercars_03_create(m *gogrinder.Meta, s gogrinder.Settings) {
var mm *req.HttpMetric
var resp map[string]interface{}
c := req.NewDefaultClient()
base := s["supercars_url"].(string)
newCar := map[string]interface{}{"name": "Ferrari Enzo", "country": "Italy",
"top_speed": "218", "0-60": "3.4", "power": "650", "engine": "5998",
"weight": "1365", "description": "The Enzo Ferrari is a 12 cylinder " +
"mid-engine berlinetta named after the company's founder, Enzo Ferrari.",
"image": "050.png"}
b := gg.NewBracket("03_01_supercars_create")
r, err := req.NewPostJsonRequest(base+"/rest/supercars/", newCar)
if err != nil {
m.Error += err.Error()
mm = &req.HttpMetric{*m, 0, 0, 400}
} else {
resp, _, mm = req.DoJson(c, r, m)
id := resp["_id"].(string)
if i, err := strconv.Atoi(id); err != nil || i <= RECORDS {
m.Error += "Error: something went wrong during new record creation!"
} else {
redis, err := goredis.Dial(
&goredis.DialConfig{Address: s["redis_srv"].(string)})
if err != nil {
// is the redis server running? correct address?
m.Error += err.Error()
} else {
redis.SAdd("supercars", id) // no way this can go wrong!
}
}
}
b.End(mm)
}
func DeadHostWatch(host string, deadOut chan<- Event, deadQuit <-chan bool) {
for {
select {
case <-deadQuit:
fmt.Println("Dead Host Watch Quit Message.......")
close(deadOut)
return
default:
time.Sleep(1000 * time.Millisecond)
fmt.Printf("Dead Host Watch check....%s\n", host)
client, err := goredis.Dial(&goredis.DialConfig{Address: host})
if err != nil {
log.Printf("Error connection to database %s", err.Error())
continue
}
log.Printf("Dead Host Ping check to database %s", host)
if err := client.Ping(); err != nil {
log.Printf("FALSE Ping check to database")
continue
}
e := Event("DeadHostConnectOk")
deadOut <- e
client.ClosePool()
}
}
}
func dial() *goredis.Redis {
dialConfig := goredis.DialConfig{
Address: "avialeta-cache:6379",
}
client, err := goredis.Dial(&dialConfig)
if err != nil {
log.Error.Fatal(err)
}
return client
}
func storeinRadis(message string, addr string) {
client, err := goredis.Dial(&goredis.DialConfig{Address: "127.0.0.1:6379"})
reply, err2 := client.ExecuteCommand("SET", addr, message)
err1 := reply.OKValue()
fmt.Println(err1)
fmt.Println(err)
fmt.Println(err2)
fmt.Println(reply)
}
func main() {
client, _ := goredis.Dial(&goredis.DialConfig{Address: "127.0.0.1:6379"})
for {
reply, _ := client.RPop("myqueue1")
if string(reply) != "" {
storeinDB(string(reply))
fmt.Println(string(reply))
}
}
}
func Connect(masterConfig *goredis.DialConfig, slaveConfig *goredis.DialConfig) (*Redis, error) {
r := &Redis{}
log.Println("server connect redis")
redisMaster, err := goredis.Dial(masterConfig)
if err != nil {
log.Fatal("Unable to connect to redis master", err)
return r, err
}
r.redisMaster = redisMaster
redisSlave, err := goredis.Dial(slaveConfig)
if err != nil {
log.Fatal("Unable to connect to redis sub", err)
return r, err
}
r.redisSlave = redisSlave
return r, err
}
func NewRedis(address string) (*Redis, error) {
var (
err error
)
r := new(Redis)
r.Client, err = goredis.Dial(&goredis.DialConfig{
Address: address,
})
return r, err
}
func redisHeartBeatchecker(host string) (*goredis.Redis, error) {
client, err := goredis.Dial(&goredis.DialConfig{Address: host})
if err != nil {
log.Printf("Error connection to database %s", host)
log.Printf("Error connection to database->> %s", err.Error())
return client, err
}
if err := client.Ping(); err != nil {
log.Printf("FALSE Ping check to database")
return client, err
}
client.ClosePool()
return client, nil
}
func storeinRedis(res Response) {
client, _ := goredis.Dial(&goredis.DialConfig{Address: "127.0.0.1:6379"})
res2B, _ := json.Marshal(res)
fmt.Println("res2B", string(res2B))
reply, _ := client.LPush("Rqueue", string(res2B))
fmt.Println("Reply: ", reply)
/*
fmt.Println("Stored to Redis Hash...")
fmt.Println(err)
fmt.Println(err2)
fmt.Println(reply) */
}
func redisGet(w http.ResponseWriter, r *http.Request) {
cluster := r.FormValue("cluster")
key := r.FormValue("key")
redis, err := goredis.Dial(&goredis.DialConfig{Address: fmt.Sprintf("raftis-%s:%d", cluster, 6379)})
if err != nil {
w.Write([]byte(err.Error()))
return
}
val, err := redis.Get(key)
if err != nil {
w.Write([]byte(err.Error()))
return
}
w.Write([]byte(val))
return
}
func setSlaveOf(host string) error {
client, err := goredis.Dial(&goredis.DialConfig{Address: host})
if err != nil {
log.Printf("Error SlaveOf connection to database : %s", host)
return err
}
redis_host := strings.Split(host, ":")
if ret := client.SlaveOf(redis_host[0], redis_host[1]); ret != nil {
log.Printf("SlaveOf Error %s", host)
return ret
}
log.Printf("OK SlaveOf->> %s", host)
client.ClosePool()
return nil
}
func main() {
db, err := sql.Open("mysql", "root:@/go_db")
client, err2 := goredis.Dial(&goredis.DialConfig{Address: "127.0.0.1:6379"})
if err != nil {
fmt.Println(err)
} else {
fmt.Println("Database Connection established...")
}
if err2 != nil {
fmt.Println(err2)
} else {
fmt.Println("Redis Connection established...")
}
fetchFromRedis(db, client)
defer db.Close()
}
func NewCache(addr, password, db string) (*Cache, error) {
dbid, dbiderr := strconv.Atoi(db)
if dbiderr != nil {
return nil, dbiderr
}
config := &goredis.DialConfig{
Network: "tcp",
Address: addr,
Database: dbid,
Password: password,
Timeout: 10 * time.Second,
MaxIdle: 100,
}
redisClient, err := goredis.Dial(config)
if err != nil {
return nil, err
}
return &Cache{redisClient: redisClient}, nil
}
func watchServer(out chan<- Event, quit <-chan bool, watch chan *etcd.Response) {
for {
select {
case <-quit:
log.Printf(" WatchServer Quit Message..........")
//close(out)
default:
time.Sleep(1000 * time.Millisecond)
resp, _ := etcd_GetMasterData()
_host := strings.Split(resp.Node.Value, "\n")
log.Printf(" >>> WatchServer start >>> %s\n", resp.Node.Value)
client, err := goredis.Dial(&goredis.DialConfig{Address: _host[0]})
if err != nil {
info := config.GetServerInfo()
key := fmt.Sprintf("%s/Dead", info.AppName)
etcd_SetData(key, _host[0])
e := Event("MasterConnectErr")
out <- e
log.Printf("Error connection to database %s", err.Error())
continue
}
if err := client.Ping(); err != nil {
info := config.GetServerInfo()
key := fmt.Sprintf("%s/Dead", info.AppName)
etcd_SetData(key, _host[0])
e := Event("MasterConnectErr")
out <- e
log.Printf("FALSE Ping check to database")
continue
}
client.ClosePool()
}
}
}
func supercars_04_update(m *gogrinder.Meta, s gogrinder.Settings) {
var mm *req.HttpMetric
//var resp map[string]interface{}
c := req.NewDefaultClient()
base := s["supercars_url"].(string)
change := map[string]interface{}{"cylinders": "12", "name": "Ferrari Enzo",
"country": "Italy", "top_speed": "218", "0-60": "3.4", "power": "650",
"engine": "5998", "weight": "1365", "description": "The Enzo Ferrari " +
"is a 12 cylinder mid-engine berlinetta named after the company's " +
"founder, Enzo Ferrari.", "image": "050.png"}
b := gg.NewBracket("04_01_supercars_update")
redis, err := goredis.Dial(&goredis.DialConfig{Address: s["redis_srv"].(string)})
if err != nil {
// is the redis server running? correct address?
m.Error += err.Error()
mm = &req.HttpMetric{*m, 0, 0, 400}
} else {
id, err := redis.SPop("supercars")
if err != nil {
// probably run out of data - so it does not make sense to continue
m.Error += err.Error()
mm = &req.HttpMetric{*m, 0, 0, 400}
} else {
r, err := req.NewPutJsonRequest(base+"/rest/supercars/"+string(id),
change)
if err != nil {
m.Error += err.Error()
mm = &req.HttpMetric{*m, 0, 0, 400}
} else {
_, _, mm = req.DoJson(c, r, m)
//tsUpdate(m, c, base + "/rest/supercars/" + string(id), change)
// add the record back!
redis.SAdd("supercars", string(id)) // no way this can go wrong!
}
}
}
b.End(mm)
}
func main() {
client, err := goredis.Dial(&goredis.DialConfig{Address: "127.0.0.1:6379"})
for {
fmt.Println("\033[H\033[2J")
fmt.Println("Data in Redis Key Value Pair\n============================================================================\n")
keys, err2 := client.ExecuteCommand("KEYS", "*")
length := len(keys.Multi)
for i := 0; i < length; i++ {
key := string(keys.Multi[i].Bulk)
value, err3 := client.Get(key)
fmt.Println("Key:\t", string(key), "Value:\t", string(value))
Printerror(err)
Printerror(err2)
Printerror(err3)
}
time.Sleep(25 * time.Millisecond)
}
}
func storeinRadis(msg string) {
client, _ := goredis.Dial(&goredis.DialConfig{Address: "127.0.0.1:6379"})
reply, _ := client.ExecuteCommand("LPUSH", "myqueue1", msg)
fmt.Println(reply)
}