From e3ad43b47e739fc33cf62acf305f627b2d357b80 Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Sun, 6 Nov 2011 16:01:16 +0000
Subject: Import initial bkp.sh et lst.sh avec leur conf et la clef publique
 ssh

git-svn-id: file:///var/svn/2011-bkp/trunk@3 472aae81-79e5-4f1d-a134-eb2ed09d1a98
---
 scripts/inc/functions.sh | 131 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100755 scripts/inc/functions.sh

(limited to 'scripts/inc/functions.sh')

diff --git a/scripts/inc/functions.sh b/scripts/inc/functions.sh
new file mode 100755
index 0000000..0fdc8a1
--- /dev/null
+++ b/scripts/inc/functions.sh
@@ -0,0 +1,131 @@
+#!/bin/bash
+
+function parse_args() {
+	if [ $# -lt 1 ]
+	then	return 1
+	fi
+
+	arg_source_machine="$1"
+	return 0
+}
+
+function print_usage() {
+	echo "Usage : $0 <source_machine>"
+}
+
+export LOG_NOTICE="notice"
+export LOG_WARN="warning"
+export LOG_ERR="error"
+function log() {
+	{
+		echo -n "$(date --rfc-3339 seconds) $(hostname) $0: $2: <$(eval echo \$$1)> "
+		shift 2
+		echo "$*"
+	} | tee -a ./bkp.log
+}
+
+function run_or_die() {
+	local l_exit_value_on_failure="$1"
+	local l_func_to_call="$2"
+	shift 2
+
+	$l_func_to_call "$@"
+	res=$?
+	if [ $res -ne 0 ]
+	then	log "$log_type" "$l_func_to_call" "$log_message"
+		exit $l_exit_value_on_failure
+	fi
+}
+
+function check_env() {
+	if [ $UID -ne 0 ]
+	then	log LOG_WARN "This script is intended to be ran by root"
+		return 1
+	fi
+	return 0
+}
+
+#INI function from http://ajdiaz.wordpress.com/2008/02/09/bash-ini-parser/
+cfg_parser ()
+{
+    ini="$(<$1)"                # read the file
+    ini="${ini//[/\[}"          # escape [
+    ini="${ini//]/\]}"          # escape ]
+    IFS=$'\n' && ini=( ${ini} ) # convert to line-array
+    ini=( ${ini[*]//;*/} )      # remove comments with ;
+    ini=( ${ini[*]/\	=/=} )  # remove tabs before =
+    ini=( ${ini[*]/=\	/=} )   # remove tabs be =
+    ini=( ${ini[*]/\ =\ /=} )   # remove anything with a space around =
+ini=( ${ini[*]/#/cfg_} ) # lpo : Add cfg prefix for keys
+    ini=( ${ini[*]/#cfg_\\[/\}$'\n'cfg.section.} ) # set section prefix
+    ini=( ${ini[*]/%\\]/ \(} )    # convert text2function (1)
+    ini=( ${ini[*]/=/=\( } )    # convert item to array
+    ini=( ${ini[*]/%/ \)} )     # close array parenthesis
+    ini=( ${ini[*]/%\\ \)/ \\} ) # the multiline trick
+    ini=( ${ini[*]/%\( \)/\(\) \{} ) # convert text2function (2)
+    ini=( ${ini[*]/%\} \)/\}} ) # remove extra parenthesis
+    ini[0]="" # remove first element
+    ini[${#ini[*]} + 1]='}'    # add the last brace
+    eval "$(echo "${ini[*]}")" # eval the result
+}
+
+#function array_key_exists() {
+#	local l_key="$1"
+#	#Special behavior : pass as 2nd arg the keys of array with "${!array[@]}"
+#	shift
+#	
+#	for k in "$@"
+#	do
+#		[ "x$l_key" == "x$k" ] && return 0
+#	done
+#
+#	return 1
+#}
+
+function load_conf() {
+	local l_conffile="$1"
+	local l_source_machine="$2"
+	
+	cfg_parser "$l_conffile"
+	cfg.section.common
+	cfg.section.$l_source_machine
+
+#	source "$l_conffile"
+
+#	if array_key_exists "$l_source_machine" "${!CONF_SOURCE_POSSIBLE_ADDRESSES[@]}"
+#	then	cfg_source_possible_addresses=${CONF_SOURCE_POSSIBLE_ADDRESSES["$l_source_machine"]}
+#	else	log LOG_ERROR load_conf "No definition for CONF_SOURCE_POSSIBLE_ADDRESSES['$l_source_machine']"
+#		return 1
+#	fi
+	
+	#TODO : check loaded values
+}
+
+function find_source_address() {
+	local l_oldifs="$IFS"
+	local l_hostname="$(hostname)"
+	
+	if [ x"$l_hostname" == x"$arg_source_machine" ]
+	then	runtime_source_address="" # Empty string means localhost
+		return 0
+	fi
+
+	runtime_source_address=""
+	IFS=", 	"
+	for a in $*
+	do
+		ping -w 1 -c 1 -q "$a" &>/dev/null
+		if [ $? -eq 0 ]
+		then	runtime_source_address="$a"
+			break
+		fi
+	done
+	IFS="$l_oldifs"
+
+	if [ -z "$runtime_source_address" ]
+	then return 1
+	fi
+
+	return 0
+}
+
-- 
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