QEMU Networking using slirp and vdeplug4

boards/default/distros/fedora/fedora.py

@@ -7,6 +7,8 @@
 serviceTemplate = """[Unit]
 Requires=multi-user.target
 After=multi-user.target
+Requires=network-online.target
+After=network-online.target
 Before=firesim.target
 Wants=firesim.target
 

boards/default/distros/fedora/overlay/etc/systemd/system/firesim.service

@@ -0,0 +1,11 @@
+[Unit]
+Requires=multi-user.target
+After=multi-user.target
+Requires=network-online.target
+After=network-online.target
+Before=firesim.target
+Wants=firesim.target
+
+[Service]
+ExecStart=/etc/firesim/firesim.sh 
+StandardOutput=journal+console

boards/firechip/base-workloads/br-base/overlay/etc/init.d/S40network

@@ -2,37 +2,38 @@
 #
 # Start the network....
 #
-
 # Debian ifupdown needs the /run/network lock directory
 mkdir -p /run/network
 
+resolvconf_file="/etc/resolv.conf"
+rm -f $resolvconf_file
+echo "nameserver 172.16.0.3" > $resolvconf_file
+
+ifname=eth0
+read _ addr _ _ <<< $(/sbin/ip link | /bin/grep -A 1 "$ifname" | /usr/bin/tail -1)
+IFS=: read -r _ _ _ _ machigh maclow <<< $addr
+
 case "$1" in
-  start)
-	printf "Starting network: "
-	/sbin/ifup -a
-	ifname=eth0
-	if test -r "/sys/class/net/${ifname}/address" ; then
-		/sbin/ip link set dev "$ifname" up &&
-		IFS=: read -r _ _ _ _ machigh maclow < "/sys/class/net/${ifname}/address" &&
-		/sbin/ip addr add "172.16.$((16#$machigh)).$((16#$maclow))/16" dev "$ifname"
-	fi
-#	/sbin/ifup eth0
-	[ $? = 0 ] && echo "OK" || echo "FAIL"
-	;;
-  stop)
-	printf "Stopping network: "
-	/sbin/ifdown -a
-#	/sbin/ifdown eth0
-	[ $? = 0 ] && echo "OK" || echo "FAIL"
-	;;
-  restart|reload)
-	"$0" stop
-	"$0" start
-	;;
-  *)
-	echo "Usage: $0 {start|stop|restart}"
-	exit 1
+	start)
+		printf "Starting network: "
+        /bin/sed -i -e "1,/^address/{s/^address.*/address 172.16.$((16#$machigh)).$((16#$maclow))/;}" /etc/network/interfaces
+        sbin/ifup -a
+        [ $? = 0 ] && echo "OK" || echo "FAIL"
+        ;;
+    stop)
+        printf "Stopping network: "
+        /sbin/ifdown -a
+        /bin/sed -i -e "1,/^address/{s/^address.*/address firemarshal_ip_addr_uninitialized/;}" /etc/network/interfaces
+        [ $? = 0 ] && echo "OK" || echo "FAIL"
+        ;;
+    restart|reload)
+        "$0" stop
+        "$0" start
+        ;;
+    *)
+        echo "Usage: $0 {start|stop|restart}"
+        exit 1
+
 esac
 
 exit $?
-

boards/firechip/base-workloads/br-base/overlay/etc/network/interfaces

@@ -2,3 +2,9 @@
 auto lo
 iface lo inet loopback
 
+auto eth0
+iface eth0 inet static
+address firemarshal_ip_addr_uninitialized
+netmask 255.255.0.0
+gateway 172.16.0.2
+dns-nameservers 172.16.0.3

boards/firechip/base-workloads/fedora-base/overlay/etc/firesim/ifcfg-static

@@ -2,3 +2,5 @@ DEVICE=eth0
 BOOTPROTO=static
 ONBOOT=on
 PREFIX=16
+PEERDNS=yes
+DNS1=172.16.0.3

boards/firechip/base-workloads/fedora-base/overlay/etc/firesim/network-static

@@ -0,0 +1,3 @@
+NETWORKING=yes
+NETWORKING_IPV6=no
+GATEWAY=172.16.0.2

boards/firechip/base-workloads/fedora-base/overlay/etc/firesim/start-firesim-network.sh

@@ -12,6 +12,8 @@ case "$macpref" in
                 maclow=$(echo $mac | cut -c 16-17 -)
                 cp /etc/firesim/ifcfg-static /etc/sysconfig/network-scripts/ifcfg-eth0
                 echo IPADDR=172.16.$((16#$machigh)).$((16#$maclow)) >> /etc/sysconfig/network-scripts/ifcfg-eth0
+                echo default via 172.16.0.2 dev eth0 > /etc/sysconfig/network-scripts/route-eth0
+                cp /etc/firesim/network-static /etc/sysconfig/network
                 ;;
         "52:54:00")
                 echo "this looks like not FireSim. exiting"

scripts/fullTest.py

@@ -69,7 +69,10 @@
             'qemu',
             'run',
             'simArgs',
-            'noDrivers'
+            'noDrivers',
+            'internet',
+            'network',
+            'fed-nw-internet'
         ],
 
         # This tests both no-disk and spike. In theory, most (maybe all?) tests

test/fed-nw-internet.yaml

@@ -0,0 +1,27 @@
+{
+  "name" : "fed-nw-internet",
+  "base" : "fedora-base.json",
+  "overlay": "overlay",
+  "testing" : {
+    "refDir" : "refOutput",
+    "strip" : true
+  },
+  "jobs" : [
+    {
+      "name" : "j0",
+      "command" : "timeout 75 /root/test-server.sh"
+    },
+    {
+      "name" : "j1",
+      "command" : "/root/test-client-1.sh"
+    },
+    {
+      "name" : "j2",
+      "command" : "/root/test-client-2.sh"
+    },
+    {
+      "name" : "j3",
+      "command" : 'yum install -y wget && wget fires.im && echo "Success : yum + wget"'
+    }
+  ]
+}

test/fed-nw-internet/overlay/root/test-client-1.sh

@@ -0,0 +1,12 @@
+#/bin/bash
+ip_read=`ip -f inet addr show eth0 | grep -Po 'inet \K[\d.]+'`
+if [ "$ip_read" = "172.16.0.5" ]; then
+	/root/client 172.16.0.4
+       	if [ "$?" -eq "0" ]; then
+		echo 'Success : ip + client'
+	else
+		echo 'Failed : client'
+	fi
+else
+	echo 'Failed : ip'
+fi

test/fed-nw-internet/overlay/root/test-client-2-copy.sh

@@ -0,0 +1,15 @@
+#/bin/bash
+ip_read=`ip -f inet addr show`
+str="read ip"
+echo $str
+echo $ip_read
+if [ "$ip_read" = "172.16.0.6" ]; then
+	/root/client 172.16.0.4
+       	if [ "$?" -eq "0" ]; then
+		echo 'Success : ip + client'
+	else
+		echo 'Failed : client'
+	fi
+else
+	echo 'Failed : ip'
+fi

test/fed-nw-internet/overlay/root/test-client-2.sh

@@ -0,0 +1,12 @@
+#/bin/bash
+ip_read=`ip -f inet addr show eth0 | grep -Po 'inet \K[\d.]+'`
+if [ "$ip_read" = "172.16.0.6" ]; then
+	/root/client 172.16.0.4
+       	if [ "$?" -eq "0" ]; then
+		echo 'Success : ip + client'
+	else
+		echo 'Failed : client'
+	fi
+else
+	echo 'Failed : ip'
+fi

test/fed-nw-internet/overlay/root/test-server.sh

@@ -0,0 +1,12 @@
+#/bin/bash
+ip_read=`ip -f inet addr show eth0 | grep -Po 'inet \K[\d.]+'`
+if [ "$ip_read" = "172.16.0.4" ]; then
+	/root/server 2
+       	if [ "$?" -eq "0" ]; then
+		echo 'Success : ip + server'
+	else
+		echo 'Failed : server'
+	fi
+else
+	echo 'Failed : ip'
+fi

test/fed-nw-internet/refOutput/fed-nw-internet-j0/uartlog

@@ -0,0 +1 @@
+Success : ip + server

test/fed-nw-internet/refOutput/fed-nw-internet-j1/uartlog

@@ -0,0 +1 @@
+Success : ip + client

test/fed-nw-internet/refOutput/fed-nw-internet-j2/uartlog

@@ -0,0 +1 @@
+Success : ip + client

test/fed-nw-internet/refOutput/fed-nw-internet-j3/uartlog

@@ -0,0 +1 @@
+Success : yum + wget

test/internet.yaml

@@ -0,0 +1,9 @@
+{
+  "name" : "internet",
+  "base" : "br-base.json",
+  "command" : 'wget -S fires.im && echo "Success : wget"',
+  "testing" : {
+    "refDir" : "refOutput",
+    "strip" : true
+  }
+}

test/internet/refOutput/internet/uartlog

@@ -0,0 +1 @@
+Success : wget

test/network.yaml

@@ -0,0 +1,23 @@
+{
+  "name" : "network",
+  "base" : "br-base.json",
+  "overlay": "overlay",
+  "testing" : {
+    "refDir" : "refOutput",
+    "strip" : true
+  },
+  "jobs" : [
+    {
+      "name" : "j0",      
+      "command" : "timeout 75 /root/test-server.sh"
+    },
+    {
+      "name" : "j1", 
+      "command" : "/root/test-client-1.sh"
+    },
+    {
+      "name" : "j2",
+      "command" : "/root/test-client-2.sh"
+    }
+  ]
+}

test/network/overlay/root/test-client-1.sh

@@ -0,0 +1,12 @@
+#/bin/bash
+ip_read=`ifconfig eth0 | grep "inet " | awk -F'[: ]+' '{ print $4 }'`
+if [ "$ip_read" = "172.16.0.5" ]; then
+	/root/client 172.16.0.4
+       	if [ "$?" -eq "0" ]; then
+		echo 'Success : ip + client'
+	else
+		echo 'Failed : client'
+	fi
+else
+	echo 'Failed : ip'
+fi

test/network/overlay/root/test-client-2.sh

@@ -0,0 +1,12 @@
+#/bin/bash
+ip_read=`ifconfig eth0 | grep "inet " | awk -F'[: ]+' '{ print $4 }'`
+if [ "$ip_read" = "172.16.0.6" ]; then
+	/root/client 172.16.0.4
+       	if [ "$?" -eq "0" ]; then
+		echo 'Success : ip + client'
+	else
+		echo 'Failed : client'
+	fi
+else
+	echo 'Failed : ip'
+fi

test/network/overlay/root/test-server.sh

@@ -0,0 +1,12 @@
+#/bin/bash
+ip_read=`ifconfig eth0 | grep "inet " | awk -F'[: ]+' '{ print $4 }'`
+if [ "$ip_read" = "172.16.0.4" ]; then
+	/root/server 2
+       	if [ "$?" -eq "0" ]; then
+		echo 'Success : ip + server'
+	else
+		echo 'Failed : server'
+	fi
+else
+	echo 'Failed : ip'
+fi

test/network/refOutput/network-j0/uartlog

@@ -0,0 +1 @@
+Success : ip + server

test/network/refOutput/network-j1/uartlog

@@ -0,0 +1 @@
+Success : ip + client

test/network/refOutput/network-j2/uartlog

@@ -0,0 +1 @@
+Success : ip + client

test/post-bin/create-file.sh

@@ -1,4 +1,3 @@
 #!/bin/bash
 
-echo "From create-file.sh script:" >> ${1}.txt
-echo $@ >> ${1}.txt
+echo "From create-file.sh script: $@" >> ${1}.txt

test/post-bin/refOutputBase/post-bin/uartlog

@@ -1,2 +1 @@
-From create-file.sh script:
-base
+From create-file.sh script: base

test/post-bin/refOutputJobs/post-bin-jobs-j0/uartlog

@@ -1,2 +1 @@
-From create-file.sh script:
-job0
+From create-file.sh script: job0

test/post-bin/refOutputJobs/post-bin-jobs-j1/uartlog

@@ -1,2 +1 @@
-From create-file.sh script:
-job1
+From create-file.sh script: job1

wlutil/build.py

@@ -580,7 +580,7 @@ def makeImage(config):
         init_overlay = config['builder'].generateBootScriptOverlay(
             str(config['guest-init'].path), config['guest-init'].args)
         wlutil.applyOverlay(config['img'], init_overlay)
-        wlutil.run(wllaunch.getQemuCmd(config), shell=True, level=logging.DEBUG)
+        wllaunch.launchWorkload(config, jobs=None, spike=False, silent=True, captureOutput=False)
 
         # Clear the init script
         run_overlay = config['builder'].generateBootScriptOverlay(None, None)