[init]: save the initial switch mac to config db (#1125)

* [init]: save the initial switch mac to config db

Save the initial switch mac to config db DEVICE_METADATA|localhost entry.

* update sonic-swss submodule

files/build_templates/swss.service.j2

@@ -18,6 +18,7 @@ ExecStartPre=/usr/bin/docker exec database redis-cli -n 0 FLUSHDB
 ExecStartPre=/usr/bin/docker exec database redis-cli -n 1 FLUSHDB
 ExecStartPre=/usr/bin/docker exec database redis-cli -n 2 FLUSHDB
 ExecStartPre=/usr/bin/docker exec database redis-cli -n 5 FLUSHDB
+ExecStartPre=/usr/bin/docker exec database redis-cli -n 6 FLUSHDB
 
 {% if sonic_asic_platform == 'mellanox' %}
 TimeoutStartSec=3min

files/image_config/interfaces/interfaces-config.sh

@@ -1,19 +1,6 @@
 #!/bin/bash
 
-SONIC_ASIC_TYPE=$(sonic-cfggen -y /etc/sonic/sonic_version.yml -v asic_type)
-SYSTEM_MAC_ADDRESS=$(ip link show eth0 | grep ether | awk '{print $2}')
-
-# Align last byte of MAC if necessary
-if [ "$SONIC_ASIC_TYPE" == "mellanox" -o "$SONIC_ASIC_TYPE" == "centec" ]; then
-    last_byte=$(python -c "print '$SYSTEM_MAC_ADDRESS'[-2:]")
-    aligned_last_byte=$(python -c "print format(int(int('$last_byte', 16) & 0b11000000), '02x')")  # put mask and take away the 0x prefix
-    SYSTEM_MAC_ADDRESS=$(python -c "print '$SYSTEM_MAC_ADDRESS'[:-2] + '$aligned_last_byte'")      # put aligned byte into the end of MAC
-fi
-
-sonic-cfggen -d -a '{"hwaddr":"'$SYSTEM_MAC_ADDRESS'"}' -t /usr/share/sonic/templates/interfaces.j2 > /etc/network/interfaces
-
-# Also store the system mac to configDB switch table. User configured switch_mac is not supported for now.
-/usr/bin/docker exec database redis-cli -n 4 hset SWITCH\|SWITCH_ATTR switch_mac $SYSTEM_MAC_ADDRESS
+sonic-cfggen -d -t /usr/share/sonic/templates/interfaces.j2 > /etc/network/interfaces
 
 [ -f /var/run/dhclient.eth0.pid ] && kill `cat /var/run/dhclient.eth0.pid` && rm -f /var/run/dhclient.eth0.pid
 

files/image_config/platform/rc.local

@@ -43,6 +43,15 @@ firsttime_exit()
     exit 0
 }
 
+test_config()
+{
+    if [ -d /host/old_config ] && ( [ -f /host/old_config/minigraph.xml ] || [ -f /host/old_config/config_db.json ] ); then
+        return 0
+    fi
+
+    return 1
+}
+
 # Given a string of tuples of the form field=value, extract the value for a field
 # In : $string, $field
 # Out: $value
@@ -70,26 +79,39 @@ if [ -f /host/image-$sonic_version/platform/firsttime ]; then
         firsttime_exit
     fi
 
+    # setup initial switch mac
+    SONIC_ASIC_TYPE=$(sonic-cfggen -y /etc/sonic/sonic_version.yml -v asic_type)
+    SYSTEM_MAC_ADDRESS=$(ip link show eth0 | grep ether | awk '{print $2}')
+
+    # Align last byte of MAC if necessary
+    if [ "$SONIC_ASIC_TYPE" == "mellanox" -o "$SONIC_ASIC_TYPE" == "centec" ]; then
+        last_byte=$(python -c "print '$SYSTEM_MAC_ADDRESS'[-2:]")
+        aligned_last_byte=$(python -c "print format(int(int('$last_byte', 16) & 0b11000000), '02x')")  # put mask and take away the 0x prefix
+        SYSTEM_MAC_ADDRESS=$(python -c "print '$SYSTEM_MAC_ADDRESS'[:-2] + '$aligned_last_byte'")      # put aligned byte into the end of MAC
+    fi
+
+    if [ -f /etc/sonic/init_cfg.json ]; then
+        sonic-cfggen -j /etc/sonic/init_cfg.json -a '{"DEVICE_METADATA":{"localhost": {"mac": "'$SYSTEM_MAC_ADDRESS'"}}}' --print-data > /etc/sonic/init_cfg.json
+    else
+        sonic-cfggen -a '{"DEVICE_METADATA":{"localhost": {"mac": "'$SYSTEM_MAC_ADDRESS'"}}}' --print-data > /etc/sonic/init_cfg.json
+    fi
+
     # Try to take old configuration saved during installation
-    if [ -d /host/old_config ]; then
+    if test_config; then
         rm -f /host/old_config/sonic_version.yml
         mv -f /host/old_config/* /etc/sonic/
+        if [ ! -f /etc/sonic/config_db.json ]; then
+            sonic-cfggen -m -j /etc/sonic/init_cfg.json --print-data > /etc/sonic/config_db.json
+        fi
     elif [ -f /host/minigraph.xml ]; then
         mv /host/minigraph.xml /etc/sonic/
         # Combine information in minigraph and init_cfg.json to form initiate config DB dump file.
         # TODO: After moving all information from minigraph to DB, sample config DB dump should be provide
-        if [ -f /etc/sonic/init_cfg.json ]; then
-            sonic-cfggen -m -j /etc/sonic/init_cfg.json --print-data > /etc/sonic/config_db.json
-        else
-            sonic-cfggen -m --print-data > /etc/sonic/config_db.json
-        fi
+        sonic-cfggen -m -j /etc/sonic/init_cfg.json --print-data > /etc/sonic/config_db.json
     else
+        # Use default minigraph.xml
         cp /usr/share/sonic/device/$platform/minigraph.xml /etc/sonic/
-        if [ -f /etc/sonic/init_cfg.json ]; then
-            sonic-cfggen -m -j /etc/sonic/init_cfg.json --print-data > /etc/sonic/config_db.json
-        else
-            sonic-cfggen -m --print-data > /etc/sonic/config_db.json
-        fi
+        sonic-cfggen -m -j /etc/sonic/init_cfg.json --print-data > /etc/sonic/config_db.json
     fi
 
     if [ -d /host/image-$sonic_version/platform/$platform ]; then