initial commit

.gitignore

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+# ---> Go
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+/dipc

Makefile

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+# dipc Makefile
+
+GOCMD=go
+GOBUILDCMD=${GOCMD} build
+
+RMCMD=rm
+BINNAME=dipc
+
+SRCFILES=cmd/dipc/*.go
+
+all: build
+
+build:
+	${GOBUILDCMD} ${SRCFILES}
+
+clean:
+	${RMCMD} -f ${BINNAME}

README.md

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+# dipc
+
+dipc is a client-side command-line utility that return public ip address, written in golang
+
+## Howto
+
+### Prerequisites
+
+### Build
+
+```bash
+make
+```
+
+### Play
+
+./dipc
+
+## Todo
+
+- Add tests
+
+## License
+
+```text
+Copyright (c) 2020 PaulBSD
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation are those
+of the authors and should not be interpreted as representing official policies,
+either expressed or implied, of the fuelprices project.
+```

cmd/dipc/dipc.go

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+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+func main() {
+	var ip Dipc
+	var client = &http.Client{}
+	var url = "https://ip.paulbsd.com"
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = json.Unmarshal(body, &ip)
+	if err != nil {
+		log.Println(err)
+	}
+
+	fmt.Println(ip.IP)
+}
+
+// Dipc is the main struct
+type Dipc struct {
+	IP       string `json:"ip"`
+	Hostname string `json:"hostname"`
+}