added jsonrpc2-helper script

src/scripts/jsonrpc2-helper.go

@@ -0,0 +1,85 @@
+package main
+
+import (
+	"flag"
+	"strings"
+	"strconv"
+	"os"
+	"fmt"
+	"os/exec"
+	"io/ioutil"
+	"path/filepath"
+	"github.com/bbernhard/signal-cli-rest-api/utils"
+	log "github.com/sirupsen/logrus"
+)
+
+const supervisorctlConfigTemplate = `
+[program:%s]
+environment=JAVA_HOME=/opt/java/openjdk
+process_name=%s
+command=bash -c "nc -l -p %d <%s | signal-cli --output=json -u %s --config /home/.local/share/signal-cli/ jsonRpc >%s"
+autostart=true
+autorestart=true
+startretries=10
+user=signal-api
+directory=/usr/bin/
+redirect_stderr=true
+stdout_logfile=/var/log/%s/out.log
+stderr_logfile=/var/log/%s/err.log
+stdout_logfile_maxbytes=50MB
+stdout_logfile_backups=10
+numprocs=1
+`
+
+func main() {
+	signalCliConfigDir := flag.String("signal-cli-config-dir", "/home/.local/share/signal-cli/", "Path to signal-cli config directory")
+
+	jsonRpc2ClientConfig := utils.NewJsonRpc2ClientConfig()
+
+	var tcpBasePort int64 = 6000
+	fifoBasePathName := "/tmp/sigsocket"
+	var ctr int64 = 0
+
+	err := filepath.Walk(*signalCliConfigDir, func(path string, info os.FileInfo, err error) error {
+		filename := filepath.Base(path)
+		if strings.HasPrefix(filename, "+") && info.Mode().IsRegular() {
+			fifoPathname := fifoBasePathName + strconv.FormatInt(ctr, 10)
+			tcpPort := tcpBasePort + ctr
+			jsonRpc2ClientConfig.AddEntry(filename, utils.ConfigEntry{TcpPort: tcpPort,  FifoPathname: fifoPathname})
+			ctr += 1
+			_, err = exec.Command("mkfifo", fifoPathname).Output()
+			if err != nil {
+				log.Fatal("Couldn't create fifo with name ", fifoPathname, ": ", err.Error())
+			}
+
+			_, err = exec.Command("chown", "1000:1000", fifoPathname).Output()
+			if err != nil {
+				log.Fatal("Couldn't change permissions of fifo with name ", fifoPathname, ": ", err.Error())
+			}
+
+			supervisorctlProgramName := "signal-cli-json-rpc-" + strconv.FormatInt(ctr, 10)
+			supervisorctlLogFolder := "/var/log/" + supervisorctlProgramName
+			_, err = exec.Command("mkdir", "-p", supervisorctlLogFolder).Output()
+			if err != nil {
+				log.Fatal("Couldn't create log folder ", supervisorctlLogFolder, ": ", err.Error())
+			}
+
+			//write supervisorctl config
+			supervisorctlConfigFilename := "/etc/supervisor/conf.d/"+"signal-cli-json-rpc-" + strconv.FormatInt(ctr, 10) + ".conf"
+			supervisorctlConfig := fmt.Sprintf(supervisorctlConfigTemplate, supervisorctlProgramName, supervisorctlProgramName,
+												tcpPort, fifoPathname, filename, fifoPathname, supervisorctlProgramName, supervisorctlProgramName)
+			log.Info(supervisorctlConfig)
+			err = ioutil.WriteFile(supervisorctlConfigFilename, []byte(supervisorctlConfig), 0644)
+			if err != nil {
+				log.Fatal("Couldn't write ", supervisorctlConfigFilename, ": ", err.Error())
+			}
+		}
+		return nil
+	})
+
+	// write jsonrpc.yml config file
+	err = jsonRpc2ClientConfig.Persist(*signalCliConfigDir + "jsonrpc2.yml")
+	if err != nil {
+		log.Fatal("Couldn't persist jsonrpc2.yaml: ", err.Error())
+	}
+}