* added debian/config script.
[php5-cn.git] / debian / postinst
index f15b8a6..f17140b 100755 (executable)
@@ -20,6 +20,9 @@ case "$1" in
 esac
 
 
+# Load debconf
+. /usr/share/debconf/confmodule
+
 # Include CARNet functions
 . /usr/share/carnet-tools/functions.sh
 
@@ -32,6 +35,23 @@ PHP5CONFD="/etc/php5/conf.d"
 need_restart=0
 
 
+# phpmemlimit ()
+#
+#   Calculate memory size for PHP memory_limit option.
+#
+phpmemlimit () {
+
+    local memtotal memlimit
+    memtotal=`awk 'tolower($1) == "memtotal:" { printf("%i", $2/1024); }' /proc/meminfo`
+
+    if [ $memtotal -lt 512 ]; then memlimit=16; fi
+    if [ $memtotal -ge 512 ]; then memlimit=32; fi
+    if [ $memtotal -gt 1024 ]; then memlimit=64; fi
+
+    echo $memlimit
+}
+
+
 # Disable PHP4 module and enable Apache2 PHP5 module.
 #
 if [ -e /etc/apache2/apache2.conf ]; then
@@ -48,37 +68,67 @@ if [ -e /etc/apache2/apache2.conf ]; then
 fi
 
 
+# Check for PHP5 SAPI directories and configuration files.
+#
+for SAPI in apache2 cli; do
+
+        if [ ! -d "$PHP5DIR/$SAPI" ]; then
+                cp_echo "CN: Creating configuration directory $PHP5DIR/$SAPI/"
+                mkdir -p $PHP5DIR/$SAPI/
+        fi
+
+        ini_file="$PHP5DIR/$SAPI/php.ini"
+
+        if [ ! -f "$ini_file" ]; then
+
+                cp_echo "CN: Generating configuration file $ini_file"
+
+                ini_file_tmp=`mktemp $ini_file.tmp.XXXXXX`
+                if [ "$SAPI" = "cli" ]; then
+                    if [ -f "/usr/share/php5/php.ini-dist.cli" ]; then
+                        cat /usr/share/php5/php.ini-dist.cli > $ini_file_tmp
+                    fi
+                else
+                    if [ -f "/usr/share/php5/php.ini-dist" ]; then
+                        cat /usr/share/php5/php.ini-dist > $ini_file_tmp
+                    fi
+                fi
+                cp_mv $ini_file_tmp $ini_file
+                need_restart=1
+        fi
+done
+
+
+# Check for /etc/php5/conf.d/ directory.
+#
+if [ ! -d "$PHP5CONFD" ]; then
+        cp_echo "CN: Creating configuration directory $PHP5CONFD"
+        mkdir -p $PHP5CONFD/
+fi
+
+
 # Check if PHP5 extensions are enabled.
 #
 for php5ext in $EXTENSIONS; do
 
         php5ext_re="^[[:space:]]*extension[[:space:]]*=[[:space:]]*$php5ext\.so"
 
-       # Remove extension entry from /etc/php5/(apache|apache2|cgi|cli).ini
+       # Remove extension entry from /etc/php5/(apache2|cli).ini
        # configuration files.
-        for SAPI in apache apache2 cgi cli; do
+        for SAPI in apache2 cli; do
 
-               if [ -d "$PHP5DIR/$SAPI" ]; then
-               
-                   ini_file="$PHP5DIR/$SAPI/php.ini"
+               ini_file="$PHP5DIR/$SAPI/php.ini"
 
-                   if [ -f "$ini_file" ]; then
+               if [ -f "$ini_file" ]; then
 
                        cp_echo "CN: Removing $php5ext extension from file $ini_file"
 
                        cp_check_and_sed "$php5ext_re" \
                                "/$php5ext_re/d" \
                                "$ini_file" && need_restart=1 || true
-                   fi
-               fi
+               fi
         done
 
-       # Check $PHP5CONFD directory.
-       if [ ! -d "$PHP5CONFD" ]; then
-               cp_echo "CN: Creating configuration directory $PHP5CONFD"
-               mkdir $PHP5CONFD
-       fi
-
        # Check extension configuration in /etc/php5/conf.d/ directory.
        if [ ! -f "$PHP5CONFD/$php5ext.ini" ]; then
 
@@ -113,61 +163,69 @@ done
 # Enable some PHP5 tweaks for Apache2 web server (/etc/php5/apache2/php.ini).
 #
 #   * upload_max_filesize = 256M
-#   * post_max_size = 256M
-#   * memory_limit = 256M
+#   * post_max_size, memory_limit = depends on system memory, we are using
+#     phpmemlimit() function.
 #
-for SAPI in apache apache2 cgi cli; do
+for SAPI in apache2 cli; do
 
        if [ ! -d "$PHP5DIR/$SAPI" ]; then
                continue
        fi
+       
+       db_get php5-cn/${SAPI} || true
+       if [ "$RET" = "true" ]; then
 
-       ini_file="$PHP5DIR/$SAPI/php.ini"
+           ini_file="$PHP5DIR/$SAPI/php.ini"
 
-       cp_echo "CN: Checking and enabling some CARNet specific parameters in file $ini_file"
+           cp_echo "CN: Checking and enabling some specific parameters in file $ini_file"
+           
+           phplimit="$(phpmemlimit)M"
        
-        if [ -f "$ini_file" ]; then
+           if [ -f "$ini_file" ]; then
 
-               cp_check_and_sed "^[[:space:]]*upload_max_filesize[[:space:]]*=[[:space:]]*2M" \
+               cp_check_and_sed "^[[:space:]]*upload_max_filesize[[:space:]]*=" \
                        's/^[[:space:]]*upload_max_filesize[[:space:]]*=.*/upload_max_filesize = 256M/' \
                        "$ini_file" && need_restart=1 || true
 
-               cp_check_and_sed "^[[:space:]]*post_max_size[[:space:]]*=[[:space:]]*8M" \
-                       's/^[[:space:]]*post_max_size[[:space:]]*=.*/post_max_size = 256M/' \
+               cp_check_and_sed "^[[:space:]]*post_max_size[[:space:]]*=" \
+                       "s/^[[:space:]]*post_max_size[[:space:]]*=.*/post_max_size = ${phplimit}/" \
                        "$ini_file" && need_restart=1 || true
 
-               cp_check_and_sed "^[[:space:]]*memory_limit[[:space:]]*=[[:space:]]*16M" \
-                       's/^[[:space:]]*memory_limit[[:space:]]*=.*/memory_limit = 256M/' \
+               cp_check_and_sed "^[[:space:]]*memory_limit[[:space:]]*=" \
+                       "s/^[[:space:]]*memory_limit[[:space:]]*=.*/memory_limit = ${phplimit}/" \
                        "$ini_file" && need_restart=1 || true
-        fi
+           fi
                
-       ini_file_tmp=`mktemp $ini_file.tmp.XXXXXX`
-       if [ -f "$ini_file" ]; then
+           ini_file_tmp=`mktemp $ini_file.tmp.XXXXXX`
+           if [ -f "$ini_file" ]; then
                cat $ini_file > $ini_file_tmp
-       fi
-
-       if ! egrep -q "^[[:space:]]*(upload_max_filesize|post_max_size|memory_limit)[[:space:]]*=" $ini_file_tmp; then
+           fi
 
-               if ! egrep -q "^[[:space:]]*upload_max_filesize[[:space:]]*=" $ini_file_tmp; then
-                       echo "upload_max_filesize = 256M" >> "$ini_file_tmp"
-               fi
-               if ! egrep -q "^[[:space:]]*post_max_size[[:space:]]*=" $ini_file_tmp; then
-                       echo "post_max_size = 256MB" >> "$ini_file_tmp"
-               fi
-               if ! egrep -q "^[[:space:]]*memory_limit[[:space:]]*=" $ini_file_tmp; then
-                       echo "memory_limit = 256M" >> "$ini_file_tmp"
-               fi
-               cp_mv "$ini_file_tmp" "$ini_file"
-       
+           if ! egrep -q "^[[:space:]]*upload_max_filesize[[:space:]]*=" $ini_file_tmp; then
+               echo "upload_max_filesize = 256M" >> "$ini_file_tmp"
                need_restart=1
-       fi
+           fi
+           if ! egrep -q "^[[:space:]]*post_max_size[[:space:]]*=" $ini_file_tmp; then
+               echo "post_max_size = ${phplimit}" >> "$ini_file_tmp"
+               need_restart=1
+           fi
+           if ! egrep -q "^[[:space:]]*memory_limit[[:space:]]*=" $ini_file_tmp; then
+               echo "memory_limit = ${phplimit}" >> "$ini_file_tmp"
+               need_restart=1
+           fi
+           cp_mv "$ini_file_tmp" "$ini_file"
+       
        
-       if [ -e "$ini_file_tmp" ]; then
+           if [ -e "$ini_file_tmp" ]; then
                rm -f "$ini_file_tmp"
+           fi
        fi
 done
 
 
+db_stop || true
+
+
 # Restart Apache2 web server if needed.
 #
 if [ $need_restart -eq 1 ]; then