func main() {
masterPool = simpleredis.NewConnectionPoolHost("redis-master:6379")
defer masterPool.Close()
slavePool = simpleredis.NewConnectionPoolHost("redis-slave:6379")
defer slavePool.Close()
r := mux.NewRouter()
r.Path("/lrange/{key}").Methods("GET").HandlerFunc(ListRangeHandler)
r.Path("/rpush/{key}/{value}").Methods("GET").HandlerFunc(ListPushHandler)
r.Path("/info").Methods("GET").HandlerFunc(InfoHandler)
r.Path("/env").Methods("GET").HandlerFunc(EnvHandler)
n := negroni.Classic()
n.UseHandler(r)
n.Run(":3000")
}
// Create a new *UserState that can be used for managing users.
// dbindex is the Redis database index (0 is a good default value).
// If randomseed is true, the random number generator will be seeded after generating the cookie secret (true is a good default value).
// redisHostPort is host:port for the desired Redis server (can be blank for localhost)
// Also creates a new ConnectionPool.
func NewUserState(dbindex int, randomseed bool, redisHostPort string) *UserState {
var pool *simpleredis.ConnectionPool
// Connnect to the default redis server if redisHostPort is empty
if redisHostPort == "" {
redisHostPort = defaultRedisServer
}
// Test connection
if err := simpleredis.TestConnectionHost(redisHostPort); err != nil {
log.Fatalln(err.Error())
}
// Aquire connection pool
pool = simpleredis.NewConnectionPoolHost(redisHostPort)
state := new(UserState)
state.users = simpleredis.NewHashMap(pool, "users")
state.users.SelectDatabase(dbindex)
state.usernames = simpleredis.NewSet(pool, "usernames")
state.usernames.SelectDatabase(dbindex)
state.unconfirmed = simpleredis.NewSet(pool, "unconfirmed")
state.unconfirmed.SelectDatabase(dbindex)
state.pool = pool
state.dbindex = dbindex
// For the secure cookies
// This must happen before the random seeding, or
// else people will have to log in again after every server restart
state.cookieSecret = cookie.RandomCookieFriendlyString(30)
// Seed the random number generator
if randomseed {
rand.Seed(time.Now().UnixNano())
}
// Cookies lasts for 24 hours by default. Specified in seconds.
state.cookieTime = cookie.DefaultCookieTime
// Default password hashing algorithm is "bcrypt+", which is the same as
// "bcrypt", but with backwards compatibility for checking sha256 hashes.
state.passwordAlgorithm = "bcrypt+" // "bcrypt+", "bcrypt" or "sha256"
if pool.Ping() != nil {
defer pool.Close()
log.Fatalf("Error, wrong hostname, port or password. (%s does not reply to PING)\n", redisHostPort)
}
return state
}
func main() {
pool = simpleredis.NewConnectionPoolHost(os.Getenv("REDIS_MASTER_SERVICE_HOST") + ":" + os.Getenv("REDIS_MASTER_SERVICE_PORT"))
defer pool.Close()
r := mux.NewRouter()
r.Path("/lrange/{key}").Methods("GET").HandlerFunc(ListRangeHandler)
r.Path("/rpush/{key}/{value}").Methods("GET").HandlerFunc(ListPushHandler)
r.Path("/info").Methods("GET").HandlerFunc(InfoHandler)
r.Path("/env").Methods("GET").HandlerFunc(EnvHandler)
n := negroni.Classic()
n.UseHandler(r)
n.Run(":3000")
}
func main() {
var connection = os.Getenv("REDISMASTER_SERVICE_HOST") + ":" + os.Getenv("REDISMASTER_SERVICE_PORT")
if connection == ":" {
print("WARNING ::: If in kube, this is a failure: Missing env variable REDISMASTER_SERVICE_HOST")
print("WARNING ::: Attempting to connect redis localhost.")
connection = "127.0.0.1:6379"
} else {
print("Found redis master host " + os.Getenv("REDISMASTER_SERVICE_PORT"))
connection = os.Getenv("REDISMASTER_SERVICE_HOST") + ":" + os.Getenv("REDISMASTER_SERVICE_PORT")
}
println("Now connecting to : " + connection)
/**
* Create a connection pool. ?The pool pointer will otherwise
* not be of any use.?https://gist.github.com/jayunit100/1d00e6d343056401ef00
*/
pool = simpleredis.NewConnectionPoolHost(connection)
println("Connection pool established : " + connection)
defer pool.Close()
r := mux.NewRouter()
println("Router created ")
/**
* Define a REST path.
* - The parameters (key) can be accessed via mux.Vars.
* - The Methods (GET) will be bound to a handler function.
*/
r.Path("/info").Methods("GET").HandlerFunc(InfoHandler)
r.Path("/lrange/{key}").Methods("GET").HandlerFunc(ListRangeHandler)
r.Path("/rpush/{key}/{value}").Methods("GET").HandlerFunc(ListPushHandler)
r.Path("/llen").Methods("GET").HandlerFunc(LLENHandler)
//for dev environment, the site is one level up...
r.PathPrefix("/").Handler(http.FileServer(http.Dir(pathToStaticContents())))
r.Path("/env").Methods("GET").HandlerFunc(EnvHandler)
list := simpleredis.NewList(pool, "k8petstore")
HandleError(nil, list.Add("jayunit100"))
HandleError(nil, list.Add("tstclaire"))
HandleError(nil, list.Add("rsquared"))
// Verify that this is 3 on startup.
infoL := HandleError(pool.Get(0).Do("LLEN", "k8petstore")).(int64)
fmt.Printf("\n=========== Starting DB has %d elements \n", infoL)
if infoL < 3 {
print("Not enough entries in DB. something is wrong w/ redis querying")
print(infoL)
panic("Failed ... ")
}
println("=========== Now launching negroni...this might take a second...")
n := negroni.Classic()
n.UseHandler(r)
n.Run(":3000")
println("Done ! Web app is now running.")
}