Merge pull request #23 from mgerb/development

added docker support

.dockerignore

@@ -0,0 +1,2 @@
+/vendor
+/dist

Dockerfile

@@ -0,0 +1,17 @@
+FROM golang:1.11.1-alpine
+
+WORKDIR /go/src/github.com/mgerb/ServerStatus
+ADD . .
+RUN apk add --no-cache git alpine-sdk
+RUN go get -u github.com/golang/dep/cmd/dep
+RUN dep ensure
+RUN make linux
+
+
+FROM alpine:3.8
+
+RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*
+WORKDIR /server-status
+COPY --from=0 /go/src/github.com/mgerb/ServerStatus/dist/ServerStatus-linux .
+ENTRYPOINT ./ServerStatus-linux
+

config.template.json

@@ -3,6 +3,7 @@
     "RoomIDList":["room id list goes here"],
     "RolesToNotify": ["<@&roleid>", "<@userid>"],
     "GameStatus": "current playing game",
+    "PollingInterval": 10,
     "Servers": [
         {
             "Name": "Your awesome server",

config/config.go

@@ -6,17 +6,19 @@ import (
 	"io/ioutil"
 	"log"
 	"os"
+	"time"
 )
 
 // Variables used for command line parameters
 var Config configStruct
 
 type configStruct struct {
-	Token         string   `json:"Token"`
-	RoomIDList    []string `json:"RoomIDList"`
-	RolesToNotify []string `json:"RolesToNotify"`
-	Servers       []server `json:"Servers"`
-	GameStatus    string   `json:"GameStatus"`
+	Token           string        `json:"Token"`
+	RoomIDList      []string      `json:"RoomIDList"`
+	RolesToNotify   []string      `json:"RolesToNotify"`
+	Servers         []server      `json:"Servers"`
+	GameStatus      string        `json:"GameStatus"`
+	PollingInterval time.Duration `json:"PollingInterval"`
 }
 
 type server struct {
@@ -43,4 +45,8 @@ func Configure() {
 		log.Println(err)
 	}
 
+	if Config.PollingInterval == 0 {
+		log.Fatal("Please set your PollingInterval > 0 in your config file.")
+	}
+
 }

docker-build.sh

@@ -0,0 +1,5 @@
+version=$(git describe --tags)
+
+docker build -t mgerb/server-status:latest .
+docker tag mgerb/server-status:latest mgerb/server-status:$version
+

docker-compose.yml

@@ -0,0 +1,7 @@
+version: "2"
+
+services:
+  server-status:
+    image: mgerb/server-status:latest
+    volumes:
+    - ./config.json:/server-status/config.json

docker-push.sh

@@ -0,0 +1,5 @@
+version=$(git describe --tags)
+
+docker push mgerb/server-status:latest;
+docker push mgerb/server-status:$version;
+

readme.md

@@ -5,7 +5,7 @@ This bot will send a chat notification when the status of a server changes (goes
 I originally made this bot to check if private World of Warcraft servers were up or not.
 It's actually much more useful than that and can be used for most servers.
 
-NOTE: This bot currently does not work for UDP servers.
+NOTE: This bot currently does not have any UDP support.
 
 ## Configuration
 - Download the latest release [here](https://github.com/mgerb/ServerStatus/releases)
@@ -17,6 +17,32 @@ NOTE: This bot currently does not work for UDP servers.
 - for user `<@userid>`
 - for role `<@&roleid>`
 
+### Polling Interval
+The polling interval is how often the bot will try to ping the servers.
+A good interval is 10 seconds, but this may need some adjustment if
+it happens to be spamming notifications.
+
+- time in seconds
+- configurable in `config.json`
+
+## With Docker
+
+```
+docker run -it -v /path/to/your/config.json:/server-status/config.json:ro mgerb/server-status
+```
+
+### Docker Compose
+
+```
+version: "2"
+
+services:
+  server-status:
+    image: mgerb/server-status:latest
+    volumes:
+    - /path/to/your/config.json:/server-status/config.json
+```
+
 ## Usage
 To get the current status of your servers simply type `!ServerStatus` in chat.
 

serverstatus/serverstatus.go

@@ -61,7 +61,7 @@ func scanServers() {
 			config.Config.Servers[index].Online = serverUp
 		}
 
-		time.Sleep(time.Second * 5)
+		time.Sleep(time.Second * config.Config.PollingInterval)
 	}
 }