Initial commit

meta-openpower/recipes-phosphor/network/first-boot-set-hostname/first-boot-set-hostname.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Init BMC Hostname
+ConditionPathExists=!/var/lib/first-boot-set-hostname
+Wants=op-vpd-parser.service
+After=op-vpd-parser.service
+
+[Service]
+ExecStart=/usr/bin/first-boot-set-hostname.sh
+Type=oneshot
+RemainAfterExit=Yes
+
+[Install]
+WantedBy=multi-user.target
+

meta-openpower/recipes-phosphor/network/first-boot-set-hostname/first-boot-set-hostname.sh

@@ -0,0 +1,85 @@
+#!/bin/sh -eu
+
+show_error() {
+    if [ -n "${JOURNAL_STREAM-}" ]; then
+        echo "$@" | systemd-cat -t first-boot-set-hostname -p emerg
+    else
+        echo "$@" >&2
+    fi
+}
+
+sync_hostname() {
+    MAPPER_IFACE='xyz.openbmc_project.ObjectMapper'
+    MAPPER_PATH='/xyz/openbmc_project/object_mapper'
+    INVENTORY_PATH='/xyz/openbmc_project/inventory'
+
+    BMC_ITEM_IFACE='xyz.openbmc_project.Inventory.Item.Bmc'
+    INV_ASSET_IFACE='xyz.openbmc_project.Inventory.Decorator.Asset'
+    BMC_SN=''
+    BMC_ITEM_PATH=$(busctl --no-pager --verbose call \
+                            ${MAPPER_IFACE} \
+                            ${MAPPER_PATH} \
+                            ${MAPPER_IFACE} \
+                            GetSubTree sias \
+                            ${INVENTORY_PATH} 0 1 ${BMC_ITEM_IFACE} \
+                        2>/dev/null | grep ${INVENTORY_PATH} || true)
+
+    # '     STRING "/xyz/openbmc_project/inventory/system/chassis/bmc";'
+    BMC_ITEM_PATH=${BMC_ITEM_PATH#*\"}
+    BMC_ITEM_PATH=${BMC_ITEM_PATH%\"*}
+
+    BMC_ITEM_SERVICE=$(mapper get-service \
+                                "${BMC_ITEM_PATH}" 2>/dev/null || true)
+
+    if [ -n "${BMC_ITEM_SERVICE}" ]; then
+        BMC_SN=$(busctl get-property "${BMC_ITEM_SERVICE}" \
+                            "${BMC_ITEM_PATH}" \
+                            ${INV_ASSET_IFACE} SerialNumber)
+        # 's "002B0DH1000"'
+        BMC_SN=${BMC_SN#*\"}
+        BMC_SN=${BMC_SN%\"*}
+    else
+        show_error "No BMC item found in the Inventory. Is VPD EEPROM empty?"
+    fi
+
+    if [ -z "${BMC_SN}" ] ; then
+        show_error "BMC Serial Number empty! Setting Hostname as 'hostname + mac address' "
+
+        NETWORK_ITEM_IFACE='xyz.openbmc_project.Inventory.Item.NetworkInterface'
+        NETWORK_ITEM_PATH=$(busctl --no-pager --verbose call \
+                           ${MAPPER_IFACE} \
+                           ${MAPPER_PATH} \
+                           ${MAPPER_IFACE} \
+                           GetSubTree sias \
+                                ${INVENTORY_PATH} 0 1 ${NETWORK_ITEM_IFACE} \
+                    2>/dev/null | grep ${INVENTORY_PATH} || true)
+
+        NETWORK_ITEM_PATH=${NETWORK_ITEM_PATH#*\"}
+        NETWORK_ITEM_PATH=${NETWORK_ITEM_PATH%\"*}
+
+        NETWORK_ITEM_OBJ=$(mapper get-service "${NETWORK_ITEM_PATH}" 2>/dev/null || true)
+
+        if [ -z "${NETWORK_ITEM_OBJ}" ]; then
+            show_error 'No Ethernet interface found in the Inventory. Unique hostname not set!'
+            exit 1
+        fi
+
+        MAC_ADDR=$(busctl get-property "${NETWORK_ITEM_OBJ}" \
+                               "${NETWORK_ITEM_PATH}" \
+                               "${NETWORK_ITEM_IFACE}" MACAddress)
+
+        # 's "54:52:01:02:03:04"'
+        MAC_ADDR=${MAC_ADDR#*\"}
+        MAC_ADDR=${MAC_ADDR%\"*}
+
+        hostnamectl set-hostname "$(hostname)-${MAC_ADDR}"
+    else
+        hostnamectl set-hostname "$(hostname)-${BMC_SN}"
+    fi
+
+}
+
+sync_hostname
+
+# Prevent start at next boot time
+touch "/var/lib/first-boot-set-hostname"