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[automated-distro-installer] / fai-wrapper

diff --git a/fai-wrapper b/fai-wrapper
index 8b44a6f4013657c2d08ebafbeac3320c887030cf..e54e2d534b229ebb37f790362f0cfc86f83d5736 100644 (file)
--- a/fai-wrapper
+++ b/fai-wrapper
@@ -1,18 +1,59 @@
 #!/bin/bash
+# Copyright (C) 2016 Ian Kelling
 
-# for using some fai commands outside of fai
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+# For using some fai commands outside of fai.
+# Usually this is sourced from another script. Note this has
+# paths specific to Ian's machine.
+# to set fai classes, export CLASS_CLASSNAME=true
 ifclass() {
-    local var=${1/#/CLASS_}
-    [[ $HOSTNAME == $1 || ${!var} ]]
+  local var=${1/#/CLASS_}
+  [[ $HOSTNAME == $1 || ${!var} ]]
+}
+fai-setclass() {
+  for class in "$@"; do
+    # export class vars with CLASS_ in front to avoid name collisions.
+    classes+=" $class"
+    export CLASS_$class=true
+  done
+  classes="${classes# }"
+  export classes
+}
+eval-fai-classfile() {
+  file=$1
+  if [[ ! -s $file ]]; then
+    echo "$0: probably an error: eval-fai-classfile no such file: $file"
+    return 0
+  fi
+  fai-setclass $(bash -l $file)
 }
 export -f ifclass
-classes=  # used by fcopy
-for x in $(bash /a/bin/fai/config/class/50-host-classes); do
-    # export class vars with CLASS_ in front to avoid name colissions.
-    classes+=" $x"
-    export CLASS_$x=true
-done
-classes="${classes# }"
-export classes
-export FAI_ROOT=/
-export FAI=/a/bin/fai/config
+classes=DEFAULT  # used by fcopy
+export CLASS_DEFAULT=true
+if [[ ! -d $FAI_ROOT ]]; then
+  export FAI_ROOT=/
+fi
+if [[ ! -d $FAI ]]; then
+  if [[ -d /a/bin/fai/fai/config ]]; then
+    export FAI=/a/bin/fai/fai/config
+  else
+    echo "$0: error: could not find directory to set for FAI. currently FAI=$FAI"
+    return 1
+  fi
+fi
+
+eval-fai-classfile $FAI/class/50-host-classes
+eval-fai-classfile $FAI/class/51-multi-boot