* Truncate files when writing them (copyup, copydown, etc) (!)

[autopkgtest.git] / xen / readconfig.in

diff --git a/xen/readconfig.in b/xen/readconfig.in
index c63748cf2340f99dc4bfb79767dc8d3dd6e73340..cbd3e85be4a6a6c02a9493e18667a3413dfac9b8 100644 (file)
--- a/xen/readconfig.in
+++ b/xen/readconfig.in
@@ -2,6 +2,7 @@
 # adt_... variables and some other useful ones.
 
 set -e${ADT_SHELLX}
+set -o pipefail
 
 #---------- useful general functions ----------
 
@@ -22,8 +23,8 @@ esac
 adt_nominum=adt
 adt_testbed_ram=256
 adt_freeze_ram=32
-adt_fs_size=1G
-adt_fs_snapsize=100M
+adt_fs_size=3072M
+adt_fs_snapsize=2560M
 adt_fs_cowchunk=8
 adt_playbase=/var/lib/autopkgtest/xenlvm
 adt_fs_type=ext3
@@ -43,6 +44,7 @@ adt_fw_allowglobalports='80'
 
 adt_guest_macaddr=00:16:3e:7c:aa:7f
 adt_net_vifscript=/etc/xen/scripts/vif-route-adt
+adt_normaluser=adtxenu
 
 #---------- arguments and config file ----------
 
@@ -65,7 +67,7 @@ cmdline_args () {
                        *) fail "unknown configuration variable \`$var'" ;;
                        esac
 
-                       eval "$var=\"\$value\""
+                       eval "adt_$var=\"\$value\""
                        shift ;;
 
                --)     shift; break ;;
@@ -101,26 +103,53 @@ case "$adt_lvm_vg" in
        ;;
 esac
 
-case "$adt_kernel" in
-'')
+if [ "$adt_readconfig_needkernel" ]; then
+ case "$adt_kernel" in
+ '')
        printf "searching for kernel ... "
-       for f in /boot/xen*"`uname -r`"; do
+       for f in /boot/*"`uname -r`"*; do
                test -e "$f" || continue
+               printf "(%s:" "$f"
+               output="$(file -- "$f")"
+               case "$output" in
+               *"gzip compressed data"*) ;;
+               *) printf "!gzip) "; continue ;;
+               esac
+               trap 'rm -f -- "$tf"; exit 127' 0
+               tf=`mktemp -t`
+               zcat -- "$f" >"$tf"
+               output="$(file -- "$tf")"
+               case "$output" in
+               *"ELF "*" executable,"*) ;;
+               *) printf "!ELF) "; continue;;
+               esac
+               output="$(objdump -j __xen_guest -s -- "$tf")"
+               rm -f "$tf"; trap '' 0
+               case "$output" in
+               *" __xen_guest:"*) ;;
+               *) printf "!Xen) "; continue
+               esac
+               printf "y) "
                test "x$adt_kernel" = x || \
                        fail 'several kernels, config must specify which'
                adt_kernel="$f"
        done
+       [ "x$adt_kernel" != x ] || \
+               fail 'could not find currently booted Xen kernel'
        echo "using currently booted kernel: $adt_kernel"
        ;;
-esac
+ esac
 
-case "$adt_ramdisk" in
-none)  echo "ramdisk \`none' specified, using static kernel"
+ case "$adt_ramdisk" in
+ none) echo "ramdisk \`none' specified, using static kernel"
        adt_ramdisk='' ;;
-'')    adt_ramdisk="$adt_kernel.initrd.img"
-       echo "using default ramdisk <kernel>.initrd.img: $adt_ramdisk" ;;
-*)     ;;
-esac
+ '')   adt_ramdisk="${adt_kernel/\/vmlinuz-//initrd.img-}"
+       test -e "$adt_ramdisk" || \
+ fail "calculated default ramdisk initrd.img \`$adt_ramdisk' does not exist"
+       echo "using calculated default ramdisk initrd.img: $adt_ramdisk" ;;
+ *)    ;;
+ esac
+fi
 
 case "$adt_modules" in
 '')    adt_modules="/lib/modules/`uname -r`" ;;
@@ -184,34 +213,41 @@ ipaddr_from_hostname () {
 ipaddr_from_hostname guest
 ipaddr_from_hostname host
 
-printf "looking for firewall hook ... "
-case "$adt_fw_hook" in
-'')
-       case "$adt_config" in
-       *_config)
-               adt_fw_hook=${adt_config%_config}_fwhook
-               if test -e "$adt_fw_hook"; then
-                       echo "default exists: $adt_fw_hook"
-               else
-                       echo "default $adt_fw_hook is not a file, so: none"
-                       adt_fw_hook=''
-               fi
-               ;;
-       *)
-               echo "not specified, not computable from config, so: none"
-               adt_fw_hook=''
-               ;;
-       esac
-       ;;
-*)
-       if test -e "$adt_fw_hook"; then
-               echo "exists: $adt_fw_hook"
-       else
-               echo "specified as $adt_fw_hook, but not a file, so: none"
-               adt_fw_hook=''
-       fi
-       ;;
-esac
+search_hook () {
+ eval '
+  printf "looking for '$2' hook ... "
+  case "$adt_'$1'_hook" in
+  "")
+    case "$adt_config" in
+    *_config)
+      adt_'$1'_hook=${adt_config%_config}_'$3'
+      if test -e "$adt_'$1'_hook"; then
+             echo "default exists: $adt_'$1'_hook"
+      else
+             echo "default $adt_'$1'_hook is not a file, so: none"
+             adt_'$1'_hook=""
+      fi
+      ;;
+    *)
+      echo "not specified, not computable from config, so: none"
+      adt_'$1'_hook=""
+      ;;
+    esac
+    ;;
+  *)
+    if test -e "$adt_'$1'_hook"; then
+      echo "exists: $adt_'$1'_hook"
+    else
+      echo "specified as $adt_'$1'_hook, but not a file, so: none"
+      adt_'$1'_hook=""
+    fi
+    ;;
+  esac
+ '
+}
+
+search_hook fw firewall fwhook
+search_hook setup setup setuphook
 
 boolean_config () {
   eval '