Merge branch 'master' into 'master'
authorRaphaël Hertzog <hertzog@debian.org>
Fri, 6 Sep 2019 06:41:36 +0000 (06:41 +0000)
committerRaphaël Hertzog <hertzog@debian.org>
Fri, 6 Sep 2019 06:41:36 +0000 (06:41 +0000)
Fix DNS search entry in /etc/resolv.conf and copy /etc/hostname and /etc/hosts into target

See merge request live-team/live-boot!19

components/9990-main.sh
components/9990-networking.sh

index 530cd3b..4a22909 100755 (executable)
@@ -37,7 +37,7 @@ Live ()
        then
                if do_netmount
                then
-                       livefs_root="${mountpoint}"
+                       livefs_root="${mountpoint?}"
                else
                        panic "Unable to find a live file system on the network"
                fi
@@ -52,16 +52,14 @@ Live ()
                else
                        if [ -x /usr/bin/memdiskfind ]
                        then
-                               MEMDISK=$(/usr/bin/memdiskfind)
-
-                               if [ $? -eq 0 ]
+                               if ! MEMDISK=$(/usr/bin/memdiskfind)
                                then
                                        # We found a memdisk, set up phram
                                        # Sometimes "modprobe phram" can not successfully create /dev/mtd0.
                                        # Have to try several times.
                                        max_try=20
-                                       while [ ! -c /dev/mtd0 -a "$max_try" -gt 0 ]; do
-                                         modprobe phram phram=memdisk,${MEMDISK}
+                                       while [ ! -c /dev/mtd0 ] && [ "$max_try" -gt 0 ]; do
+                                         modprobe phram "phram=memdisk,${MEMDISK}"
                                          sleep 0.2
                                          if [ -c /dev/mtd0 ]; then
                                                break
@@ -88,7 +86,7 @@ Live ()
                                fi
 
                                sleep 1
-                               i="$(($i + 1))"
+                               i=$((i + 1))
                        done
                fi
        fi
@@ -132,10 +130,10 @@ Live ()
 
        if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
        then
-               setup_unionfs "${livefs_root}" "${rootmnt}"
+               setup_unionfs "${livefs_root}" "${rootmnt?}"
        else
                mac="$(get_mac)"
-               mac="$(echo ${mac} | sed 's/-//g')"
+               mac="$(echo "${mac}" | sed 's/-//g')"
                mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
        fi
 
@@ -167,16 +165,30 @@ Live ()
                fi
        fi
 
+       if [ -f /etc/hostname ] && ! grep -E -q -v '^[[:space:]]*(#|$)' "${rootmnt}/etc/hostname"
+       then
+               log_begin_msg "Copying /etc/hostname to ${rootmnt}/etc/hostname"
+               cp -v /etc/hostname "${rootmnt}/etc/hostname"
+               log_end_msg
+       fi
+
+       if [ -f /etc/hosts ] && ! grep -E -q -v '^[[:space:]]*(#|$|(127.0.0.1|::1|ff02::[12])[[:space:]])' "${rootmnt}/etc/hosts"
+       then
+               log_begin_msg "Copying /etc/hosts to ${rootmnt}/etc/hosts"
+               cp -v /etc/hosts "${rootmnt}/etc/hosts"
+               log_end_msg
+       fi
+
        if [ -L /root/etc/resolv.conf ] ; then
                # assume we have resolvconf
                DNSFILE="${rootmnt}/etc/resolvconf/resolv.conf.d/base"
        else
                DNSFILE="${rootmnt}/etc/resolv.conf"
        fi
-       if [ -f /etc/resolv.conf ] && ! grep -E -q -v '^[[:space:]]*#|^[[:space:]]*$' ${DNSFILE}
+       if [ -f /etc/resolv.conf ] && ! grep -E -q -v '^[[:space:]]*(#|$)' "${DNSFILE}"
        then
                log_begin_msg "Copying /etc/resolv.conf to ${DNSFILE}"
-               cp -v /etc/resolv.conf ${DNSFILE}
+               cp -v /etc/resolv.conf "${DNSFILE}"
                log_end_msg
        fi
 
@@ -189,8 +201,8 @@ Live ()
        # this includes code that checks what is mounted on /lib/live/mount/*
        # (eg: grep /lib/live /proc/mount)
        # XXX: to be removed before the bullseye release
-       mkdir -p ${rootmnt}/lib/live/mount
-       mount --rbind /run/live ${rootmnt}/lib/live/mount
+       mkdir -p "${rootmnt}/lib/live/mount"
+       mount --rbind /run/live "${rootmnt}/lib/live/mount"
 
        Fstab
        Netbase
index 9cc3674..92c66ee 100755 (executable)
@@ -128,9 +128,17 @@ do_netsetup ()
 
                if [ -n "${interface}" ]
                then
+                       # HWADDR used by do_iscsi from 9990-mount-iscsi.sh
+                       # shellcheck disable=SC2034
                        HWADDR="$(cat "/sys/class/net/${interface}/address")"
                fi
 
+               if [ ! -e "/etc/hostname" ] && [ -n "${HOSTNAME}" ]
+               then
+                       echo "Creating /etc/hostname"
+                       echo "${HOSTNAME}" > /etc/hostname
+               fi
+
                # Only create /etc/hosts if FQDN is known (to let 'hostname -f' query
                # this file). Otherwise DNS will be queried to determine the FQDN.
                if [ ! -e "/etc/hosts" ] && [ -n "${DNSDOMAIN}" ]
@@ -154,7 +162,6 @@ EOF
                        if [ -n "${DNSDOMAIN}" ]
                        then
                                echo "domain ${DNSDOMAIN}" > /etc/resolv.conf
-                               echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
                        fi
 
                        for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1} ${DNSSERVERS}
@@ -164,6 +171,14 @@ EOF
                                        echo "nameserver $i" >> /etc/resolv.conf
                                fi
                        done
+
+                       if [ -n "${DOMAINSEARCH}" ]
+                       then
+                               echo "search ${DOMAINSEARCH}" >> /etc/resolv.conf
+                       elif [ -n "${DNSDOMAIN}" ]
+                       then
+                               echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
+                       fi
                fi
 
                # Check if we have a network device at all