Merge branch 'refactor-start-using-config-instead-of-hardcoded-values' into 'master'

Load server config and use config values instead of hardcoded values

See merge request saburly/kiviscrapbalancer!1

.gitignore

@@ -1,3 +1,4 @@
 *.log
 *.pid
 
+.env

README.md

@@ -1,3 +1,7 @@
 # kiviscrapbalancer
 
-Kivi scraping load balancer
+Kivi scraping load balancer
+
+## Setup
+
+Copy `example.env` to the `.env` and set desired values

example.env

@@ -0,0 +1,9 @@
+# Check default values in kiviscraplib/config/config.go
+
+WEB_SERVER_ADDRESS = Address in form of IP:PORT (127.0.0.1:1337) on which web server will listen for scrap requests
+WEB_SERVER_API_KEY = API key that needs to be present in scrap request
+WEB_SERVER_TIMEOUT = Number of seconds to wait for worker client before timeout-ing scrap requests
+
+WORKER_SERVER_ADDRESS                   = Address in form of IP:PORT (127.0.0.1:1338) on which worker server will listen for worker clients
+WORKER_SERVER_WORKERS_COUNT             = Number of possible worker clients
+WORKER_SERVER_REQUEST_MESSAGE_PREFIX    = Prefix to prepend on the request message when sending to the worker client. Use double quotes if prefix has a space (eg. "URL ")

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"github.com/sevlyar/go-daemon"
+	"gitlab.com/saburly/kiviscraplib/config"
 	"gitlab.com/saburly/kiviscraplib/structures"
 	"gitlab.com/saburly/kiviscraplib/webserver"
 	"gitlab.com/saburly/kiviscraplib/workerserver"
@@ -14,6 +15,8 @@ var end chan string
 // To terminate the daemon use:
 //  kill `cat sample.pid`
 func main() {
+	config.InitServerConfig()
+
 	cntxt := &daemon.Context{
 		PidFileName: "sample.pid",
 		PidFilePerm: 0644,