simple daemon to listen to http requests
Signed-off-by: Jeff Carr <jcarr@wit.com>
This commit is contained in:
parent
c32f8585fa
commit
c19043cd52
|
|
@ -2,3 +2,4 @@ server/server
|
|||
client/client
|
||||
example-protobuf/example-protobuf
|
||||
gorilla-server/gorilla-server
|
||||
emaild/emaild
|
||||
|
|
|
|||
|
|
@ -0,0 +1,6 @@
|
|||
build:
|
||||
go build
|
||||
./emaild
|
||||
|
||||
run:
|
||||
go run *.go
|
||||
|
|
@ -0,0 +1,284 @@
|
|||
package main
|
||||
|
||||
import "flag"
|
||||
import "io"
|
||||
import "log"
|
||||
import "net/http"
|
||||
import "encoding/json"
|
||||
import "io/ioutil"
|
||||
|
||||
import "github.com/golang/protobuf/proto"
|
||||
import pb "git.wit.com/wit/witProtobuf"
|
||||
import "github.com/gorilla/websocket"
|
||||
import "github.com/davecgh/go-spew/spew"
|
||||
|
||||
import "github.com/tidwall/gjson"
|
||||
|
||||
const (
|
||||
API = "http://stackapi:4000/"
|
||||
MAX_NETS = 10
|
||||
MAX_VMS = 10
|
||||
)
|
||||
|
||||
type network struct {
|
||||
Subdomain string `json:"subdomain"`
|
||||
}
|
||||
|
||||
func checkLogin(ge *pb.Event) bool {
|
||||
req, err := http.NewRequest("GET", API + "me", nil)
|
||||
if err != nil {
|
||||
log.Println("can't make new req")
|
||||
return false
|
||||
}
|
||||
req.Header.Set("X-Wit-Auth", ge.Token)
|
||||
client := &http.Client{}
|
||||
resp, err := client.Do(req)
|
||||
if err != nil {
|
||||
log.Println("Can't exec the req to list networks: %s", err)
|
||||
return false
|
||||
}
|
||||
body, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
log.Println("can't read resp")
|
||||
return false
|
||||
}
|
||||
log.Printf("RESPONSE =", body)
|
||||
if body == nil {
|
||||
log.Println("RESPONSE is nil")
|
||||
return false
|
||||
} else {
|
||||
len := len(body)
|
||||
log.Println("body = ", string(body))
|
||||
log.Println("body len = ", len)
|
||||
email := gjson.Get(string(body), "email")
|
||||
log.Println("email = ", email.String())
|
||||
log.Println("ge.Username = ", ge.Username)
|
||||
if (email.String() == ge.Username) {
|
||||
log.Println("\tTHIS TOTALLY WORKED MAN")
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func jsonAddEvent(ge *pb.Event) bool {
|
||||
var url string
|
||||
var httpType string
|
||||
httpType = "GET"
|
||||
if ge.Type == pb.Event_LOGIN {
|
||||
url = API + "me"
|
||||
} else if ge.Type == pb.Event_ADD {
|
||||
// stackapi:4000/vms/jcarr.com?count=1&cpu=2&ram=512&disk=25
|
||||
url = API + "vms/jcarr.com?count=1&cpu=2&ram=512&disk=25"
|
||||
httpType = "POST"
|
||||
} else if ge.Type == pb.Event_MIGRATE {
|
||||
url = API + "clusters"
|
||||
} else {
|
||||
// if unknown, just check login
|
||||
url = API + "me"
|
||||
}
|
||||
|
||||
log.Println("jsonAddEvent() ", httpType, url)
|
||||
req, err := http.NewRequest(httpType, url, nil)
|
||||
if err != nil {
|
||||
log.Println("can't make new req")
|
||||
return false
|
||||
}
|
||||
req.Header.Set("X-Wit-Auth", ge.Token)
|
||||
client := &http.Client{}
|
||||
resp, err := client.Do(req)
|
||||
if err != nil {
|
||||
log.Println("Can't exec the req to list networks: %s", err)
|
||||
return false
|
||||
}
|
||||
body, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
log.Println("can't read resp")
|
||||
return false
|
||||
}
|
||||
log.Printf("RESPONSE =", body)
|
||||
if body == nil {
|
||||
log.Println("RESPONSE is nil")
|
||||
return false
|
||||
} else {
|
||||
len := len(body)
|
||||
log.Println("body = ", string(body))
|
||||
log.Println("body len = ", len)
|
||||
email := gjson.Get(string(body), "email")
|
||||
log.Println("email = ", email.String())
|
||||
log.Println("ge.Username = ", ge.Username)
|
||||
if (email.String() == ge.Username) {
|
||||
log.Println("\tTHIS TOTALLY WORKED MAN")
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func fetchNetworks(token string) []network {
|
||||
var networks []network
|
||||
req, err := http.NewRequest("GET", API + "clusters", nil)
|
||||
if err != nil { log.Fatal("can't make new req") }
|
||||
req.Header.Set("X-Wit-Auth", token)
|
||||
client := &http.Client{}
|
||||
resp, err := client.Do(req)
|
||||
if err != nil { log.Printf("Can't exec the req to list networks: %s", err) }
|
||||
body, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil { log.Fatal("can't read resp") }
|
||||
log.Printf("NETWORKS =", body)
|
||||
if body == nil {
|
||||
log.Println("networks is nil")
|
||||
} else {
|
||||
len := len(body)
|
||||
err = json.Unmarshal(body, &networks)
|
||||
if err != nil {
|
||||
log.Println("body = ", body)
|
||||
log.Println("body len = ", len)
|
||||
log.Println("can't unmarshal resp for list networks: %s", err)
|
||||
}
|
||||
}
|
||||
spew.Dump(networks)
|
||||
return networks
|
||||
}
|
||||
|
||||
/*
|
||||
{
|
||||
"name": "vm10",
|
||||
"cpu": 4,
|
||||
"ram": 2048,
|
||||
"created_on": "2019-03-18T19:22:10.755428Z",
|
||||
"scope": "private",
|
||||
"role": "k8s-node",
|
||||
"stage": "Creating...",
|
||||
"seconds_left": 300,
|
||||
"base_image": "debcore_guest_latest",
|
||||
"address_list": [
|
||||
"192.168.0.1/32"
|
||||
]
|
||||
},
|
||||
|
||||
|
||||
*/
|
||||
|
||||
type address struct {
|
||||
Address string
|
||||
}
|
||||
|
||||
type vm struct {
|
||||
Name string `json:"name"`
|
||||
Role string `json:"role"`
|
||||
BaseImage string `json:"base_image"`
|
||||
}
|
||||
|
||||
func fetchVMs(token string, network string) []vm {
|
||||
var vms []vm
|
||||
req, err := http.NewRequest("GET", API + "vms/" + network, nil)
|
||||
if err != nil { log.Fatal("can't make new req") }
|
||||
req.Header.Set("X-Wit-Auth", token)
|
||||
client := &http.Client{}
|
||||
resp, err := client.Do(req)
|
||||
if err != nil { log.Printf("Can't exec the req to fetch vms for %s: %s", network, err) }
|
||||
body, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil { log.Fatal("can't read resp") }
|
||||
err = json.Unmarshal(body, &vms)
|
||||
if err != nil { log.Fatal("can't unmarshal resp for fetch vms: ", err, "\n\n", network, string(body)) }
|
||||
spew.Dump(vms)
|
||||
return vms
|
||||
}
|
||||
|
||||
// Also potentially look at:
|
||||
// https://www.reddit.com/r/golang/comments/boznnz/an_alternative_to_gorilla_sessions_jeff_manage/
|
||||
|
||||
var upgrader = websocket.Upgrader{
|
||||
ReadBufferSize: 4096,
|
||||
WriteBufferSize: 4096,
|
||||
EnableCompression: true,
|
||||
CheckOrigin: func(r *http.Request) bool {
|
||||
return true
|
||||
},
|
||||
}
|
||||
|
||||
/*
|
||||
func sendSampleProtobuf(conn *websocket.Conn) {
|
||||
msg := pb.CreateSampleEvent()
|
||||
msg.Name = "test echo over gorilla websocket"
|
||||
data, _ := proto.Marshal(msg)
|
||||
err := conn.WriteMessage(websocket.BinaryMessage, data)
|
||||
if err != nil {
|
||||
log.Println("sendProtobuf() write:", err)
|
||||
}
|
||||
}
|
||||
|
||||
func sendProtobuf(conn *websocket.Conn, msg *pb.Event) {
|
||||
data, _ := proto.Marshal(msg)
|
||||
err := conn.WriteMessage(websocket.BinaryMessage, data)
|
||||
if err != nil {
|
||||
log.Println("sendProtobuf() write:", err)
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
func eventHandler(w http.ResponseWriter, r *http.Request) {
|
||||
log.Println("echoHandler() START")
|
||||
log.Println("echoHandler() ATTEMPT r.Header.Get", r.Header.Get("User-Agent"))
|
||||
log.Println("echoHandler() ATTEMPT r.Header", r.Header)
|
||||
for key, value := range r.Header {
|
||||
log.Println("echoHandler() HEADER key, value =", key, value)
|
||||
}
|
||||
|
||||
conn, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
log.Println("Upgrade:", err)
|
||||
return
|
||||
}
|
||||
defer conn.Close()
|
||||
|
||||
for {
|
||||
mytype, message, err := conn.ReadMessage()
|
||||
if err != nil {
|
||||
log.Println("read:", err)
|
||||
return
|
||||
}
|
||||
|
||||
if mytype == websocket.TextMessage {
|
||||
log.Println("echoHandler() TextMessage mytype=", mytype)
|
||||
}
|
||||
if mytype == websocket.BinaryMessage {
|
||||
log.Println("echoHandler() BinaryMessage mytype=", mytype)
|
||||
pdata := new(pb.Event)
|
||||
err = proto.Unmarshal(message, pdata)
|
||||
if (err != nil) {
|
||||
log.Printf("readConn() something fucked up happened in Unmarshal")
|
||||
}
|
||||
log.Printf("recv binary: %s", pdata)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func serveHome(w http.ResponseWriter, r *http.Request) {
|
||||
if r.URL.Path != "/" {
|
||||
http.Error(w, "Not found.", http.StatusNotFound)
|
||||
return
|
||||
}
|
||||
if r.Method != "GET" {
|
||||
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
|
||||
return
|
||||
}
|
||||
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
||||
io.WriteString(w, "<html><body>Echo Server</body></html>")
|
||||
}
|
||||
|
||||
var addr = flag.String("addr", ":9000", "http service address")
|
||||
|
||||
func main() {
|
||||
flag.Parse()
|
||||
http.HandleFunc("/", serveHome)
|
||||
http.HandleFunc("/event", eventHandler)
|
||||
http.HandleFunc("/email", eventHandler)
|
||||
|
||||
log.Println("Starting http.ListenAndServe() on port 9000")
|
||||
err := http.ListenAndServe(*addr, nil)
|
||||
if err != nil {
|
||||
log.Fatal("ListenAndServe: ", err)
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue