Fix flag parse issues

Install pidof in docker image

Added -container flag to start the srvadmin-services.sh script

Author: galexrt

Dockerfile

@@ -10,7 +10,7 @@ ENV DSU_VERSION="DSU_17.07.00" \
 
 # Do overall update and install missing packages needed for OpenManage
 RUN yum -y update && \
-    yum -y install gcc wget perl passwd which tar libstdc++.so.6 compat-libstdc++-33.i686 glibc.i686 && \
+    yum -y install sysvinit-tools wget perl passwd gcc which tar libstdc++.so.6 compat-libstdc++-33.i686 glibc.i686 && \
     echo "$USER:$PASS" | chpasswd && \
     wget -q -O - "http://linux.dell.com/repo/hardware/${DSU_VERSION}/bootstrap.cgi" | bash && \
     yum -y install srvadmin-base srvadmin-storageservices && \

cmd/dellhw_exporter/dellhw_exporter.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net/http"
 	"os"
+	"os/exec"
 	"sort"
 	"strings"
 	"sync"
@@ -56,6 +57,7 @@ var (
 type CmdLineOpts struct {
 	version            bool
 	help               bool
+	container          bool
 	showCollectors     bool
 	debugMode          bool
 	metricsAddr        string
@@ -79,6 +81,7 @@ type DellHWCollector struct {
 func init() {
 	dellhwExporterFlags.BoolVar(&opts.help, "help", false, "Show help menu")
 	dellhwExporterFlags.BoolVar(&opts.version, "version", false, "Show version information")
+	dellhwExporterFlags.BoolVar(&opts.container, "container", false, "Start the Dell OpenManage service")
 	dellhwExporterFlags.BoolVar(&opts.showCollectors, "collectors.print", false, "If true, print available collectors and exit.")
 	dellhwExporterFlags.BoolVar(&opts.debugMode, "debug", false, "Enable debug output")
 	dellhwExporterFlags.StringVar(&opts.metricsAddr, "web.listen-address", ":9137", "The address to listen on for HTTP requests")
@@ -162,7 +165,6 @@ func usage() {
 }
 
 func main() {
-	flag.Parse()
 	flagutil.SetFlagsFromEnv(dellhwExporterFlags, "DELLHW_EXPORTER")
 	if opts.version {
 		fmt.Fprintln(os.Stdout, version.Print("srcds_exporter"))
@@ -188,6 +190,22 @@ func main() {
 	log.Infoln("Starting srcds_exporter", version.Info())
 	log.Infoln("Build context", version.BuildContext())
 
+	if opts.container {
+		log.Infoln("Starting srvadmin-services")
+		cmd := exec.Command("/opt/dell/srvadmin/sbin/srvadmin-services.sh", "start")
+		if err := cmd.Start(); err != nil {
+			log.Fatal(err)
+		}
+		timer := time.AfterFunc(30*time.Second, func() {
+			cmd.Process.Kill()
+		})
+		err := cmd.Wait()
+		if err != nil {
+			log.Fatal(err)
+		}
+		timer.Stop()
+	}
+
 	omrOpts := &omreport.Options{
 		OMReportExecutable: opts.omReportExecutable,
 	}