Adding a script to deal with "EOLE" based servers.

This script simply creates a eole configuration file called config.eol
with informations provided by contextualisation.

It use the IPs setted by 00-Network and it allows users to fill EOLE variables
using contextualisation variables.

If a variable is prefixed by CR_ the script creates an entry in config.eol
with the given value. If this value match this format : {value0,value1,valueX}
the script will fill the variable with the list in the good format.

This way if you use an EOLE server you can fill the configuration from the ONE context.

base_deb/etc/one-context.d/08-eole

@@ -0,0 +1,143 @@
+#!/bin/bash 
+
+#
+# Conextualisation for EOLE Servers
+# 
+# If the virtual machine is running EOLE,
+# we try to create a "small" defautl EOLE 
+# configuration file
+#
+
+
+CONFIG_EOL="/etc/eole/config.eol"
+
+#
+# Print information message
+# Params: 
+#   $@ : The message
+#
+function info()
+{
+   logger "[Hâpy context][INFO][$@]"
+   echo "$@"
+}
+
+
+#
+# Print warning message
+# Params: 
+#   $@ : The message
+#
+function warn()
+{
+   logger "[Hâpy context][WARN][$@]"
+   echo "WARNING: [$@]"
+}
+
+#
+# If some variables in context.sh
+# are prefixed by "CR_" we manage 
+# to add them to config.eol
+# This way we can fill EOLE configuration
+# directly from ONE contextualisation
+#
+function manage_creole_variables()
+{
+  local configfile=${1}
+  VARS=$(( set -o posix ; set ) | awk -F "\n" '/^CR_/ {sub(/^CR_/,"",$1);print}')
+  OLDIFS=${IFS}
+  IFS=$'\n'
+  for var in $VARS
+  do
+    local varname=${var%=*}
+    local value=${var#*=}
+    if [[ "${value}" == *}\' ]] && [[ "${value}" == \'{* ]]
+    then
+       IFSbck=${IFS}
+       IFS=$','
+       out=""
+       val=${value//\'}
+       val=(${val//[{\}]})
+       for (( i=0; i<=$(( ${#val[*]} -1 )); i++ ))
+       do
+         if [[ ${i} -eq 0 ]]
+         then
+           out="[\"${val[i]}\","
+         elif [[ ${i} -eq $((${#val[*]} -1)) ]]
+         then
+           out="${out} \"${val[i]}\"]"
+         else
+           out="${out} \"${val[i]}\","
+         fi
+       done
+       echo "   \"${varname,,}\": {\"owner\": \"hapy\", \"val\": ${out}}," >> ${configfile}
+       IFS=${IFSbck}
+    else
+       echo "   \"${varname,,}\": {\"owner\": \"hapy\", \"val\": \"${value//\'}\"}," >> ${configfile}
+    fi
+  done
+  IFS=${OLDIFS}
+}
+
+#
+# List all network devices and create eole
+# minimal configuration file
+#
+function create_config_eol()
+{
+  local version=${1}
+  if [[ ! -e ${CONFIG_EOL} ]]
+  then
+    #devices=($(ls /sys/class/net/ | grep -v "lo"))
+    devices=($(/sbin/ifquery --list -a | grep -v "^lo"))
+    total=${#devices[*]}
+    echo "{" >> ${CONFIG_EOL}
+    echo "   \"___version___\": \"${version}\", " >> ${CONFIG_EOL}
+    echo "   \"nombre_interfaces\": {\"owner\": \"hapy\", \"val\": \"${total}\"}," >> ${CONFIG_EOL}
+    manage_creole_variables ${CONFIG_EOL}
+    for (( i=0; i<=$(( $total -1 )); i++ ))
+    do
+      iface=${devices[i]^^}
+      CONF=$(/sbin/ifquery ${iface,,})
+      CONF=${CONF// }
+      IFS=$'\n'
+      for cnf in $CONF
+      do
+        case $cnf in
+          address*) IP=${cnf#*:} ;;
+          netmask*) MASK=${cnf#*:} ;;
+          gateway*) GW=${cnf#*:};;
+          *)continue;;
+        esac
+      done
+
+      echo "   \"adresse_ip_${iface,,}\": {\"owner\": \"hapy\", \"val\": \"${IP}\"}," >> ${CONFIG_EOL}
+      if [[ "${iface}" == "ETH0" ]]
+      then
+        echo "   \"adresse_ip_gw\": {\"owner\": \"hapy\", \"val\": \"${GW}\"}," >> ${CONFIG_EOL}
+      fi 
+      if [[ ${i} == $(( $total -1 )) ]]
+      then
+        echo "   \"adresse_netmask_${iface,,}\": {\"owner\": \"hapy\", \"val\": \"${MASK}\"}" >> ${CONFIG_EOL}
+      else
+        echo "   \"adresse_netmask_${iface,,}\": {\"owner\": \"hapy\", \"val\": \"${MASK}\"}," >> ${CONFIG_EOL}
+      fi
+    done
+    echo "}" >> ${CONFIG_EOL}
+    info "Minimal config.eol file created"
+  else
+    info "config.eol file exists skipping context actions"
+    return 42
+  fi
+  return 0
+}
+
+CRGET=$(which CreoleGet)
+if [[ ${?} -eq 0 ]]
+then
+  EOLE_VERSION=$(python -c "from creole import eoleversion; print(eoleversion.EOLE_RELEASE)")
+  create_config_eol ${EOLE_VERSION}
+  exit ${?}
+else
+  exit 0
+fi