tweak httpd service script for f27 - ${!http_port} issues "bad substitution" in some...
[myplc.git] / plc.d / httpd
index f218403..ae0d4ed 100755 (executable)
@@ -57,7 +57,7 @@ case "$1" in
        sed -i -e "s@[;]*include_path = \"\.:.*\"@include_path = \"$include_path\"@" $php_ini
 
        # Set open_basedir so as to avoid leaks
-       open_basedir="$DocumentRoot:/etc/planetlab/php:/usr/share/plc_api/php:/var/log/myslice:/var/tmp/bootmedium:/tmp"
+       open_basedir="$DocumentRoot:/etc/planetlab/php:/usr/share/plc_api/php:/var/log/myslice:/var/tmp/bootmedium:/var/log/bm:/tmp"
        sed -i -e "s@[;]*open_basedir =.*@open_basedir = \"$open_basedir\"@" $php_ini
        
        # for php-5.3 under fedora12, otherwise issues tons of warning messages
@@ -91,8 +91,6 @@ case "$1" in
                http_port=
            fi
 
-           echo "# DBG server=$server hostname=${!hostname} http_port=${!http_port} https_port=${!https_port}"
-
            # Check if we are already listening on these ports
            skip_http=0
            skip_https=0
@@ -107,16 +105,24 @@ case "$1" in
                previous_http_port=PLC_${previous_server}_PORT
                previous_https_port=PLC_${previous_server}_SSL_PORT
 
-               if [ "${!http_port}" = "${!previous_http_port}" ] ; then
+               if [ -z "${http_port}" ]; then
+                    skip_http=1;
+                elif [ -z "${!http_port}" ]; then
+                    skip_http=1;                    
+                elif [ "${!http_port}" = "${!previous_http_port}" ] ; then
                    skip_http=1
                fi
-               if [ "${!https_port}" = "${!previous_https_port}" ] ; then
+               if [ -z "${https_port}" ]; then
+                    skip_https=1
+               elif [ -z "${!https_port}" ]; then
+                    skip_https=1
+                elif [ "${!https_port}" = "${!previous_https_port}" ] ; then
                    skip_https=1
                fi
            done
 
            # HTTP configuration
-           if [ $skip_http -eq 0 -a -n "${!http_port}" ] ; then
+           if [ $skip_http -eq 0 ] ; then
                cat <<EOF
 Listen ${!http_port}
 <VirtualHost *:${!http_port}>
@@ -132,7 +138,7 @@ EOF
            fi
 
            # HTTPS configuration
-           if [ $skip_https -eq 0 -a -n "${!https_port}" ] ; then
+           if [ $skip_https -eq 0 ] ; then
                # XXX Cannot support NameVirtualHost over SSL. If
                # the API, boot, and web servers are all running
                # on the same machine, the web server certificate
@@ -141,14 +147,41 @@ EOF
                    -e "s/^Listen .*/Listen ${!https_port}/" \
                    -e "s/<VirtualHost _default_:.*>/<VirtualHost _default_:${!https_port}>/" \
                    $ssl_conf
-           # this is used to locate the right certificates
-           server_lower=$(echo $server | tr 'A-Z' 'a-z')
-           cat <<EOF
+               # this is used to locate the right certificates
+               server_lower=$(echo $server | tr 'A-Z' 'a-z')
+
+               # which one is used is currently configured in myplc.spec,
+               # with mod_python preferred
+               if rpm -q mod_python >& /dev/null ; then
+                   configure_for_mod_python=true
+               elif rpm -q mod_wsgi >& /dev/null ; then
+                   configure_for_mod_wsgi=true
+               else
+                   echo "Requires mod_python or mod_wsgi.... exiting"
+                   exit 1
+               fi
+
+               # It would be tempting to use <IfModule> here 
+               # but early tests showed this could be tricky/fragile
+               # So let's hard-wire it for one module
+               # A lot of trial-and -error was involved in getting this that way...
+
+               if [ -n "$configure_for_mod_python" ] ; then
+#################### for mod_python
+                   cat <<EOF
+# mod_python location
+<Location /PLCAPI/>
+    SetHandler mod_python
+    PythonPath "sys.path + ['/usr/share/plc_api']"
+    PythonHandler apache.ModPython
+</Location>
+EOF
 
+               elif [ -n "$configure_for_mod_wsgi" ] ; then
+#################### for mod_wsgi
+                   cat <<EOF
 # create wsgi socket where we have the permission
-<IfModule !mod_python.c>
 WSGISocketPrefix run/wsgi
-</IfModule>
 
 <VirtualHost *:${!https_port}>
 
@@ -158,17 +191,6 @@ WSGISocketPrefix run/wsgi
    SSLCertificateKeyFile /etc/planetlab/${server_lower}_ssl.key
    SSLCertificateChainFile /etc/planetlab/${server_lower}_ca_ssl.crt
 
-# we prefer mod_python if available, as first attempts at using mod_wsgi
-# turned out less reliable
-<IfModule mod_python.c>
-   <Location /$plc_api_path_noslash>
-      SetHandler mod_python
-      PythonPath "sys.path + ['/usr/share/plc_api']"
-      PythonHandler apache.ModPython
-   </Location>
-</IfModule>
-
-<IfModule !mod_python.c>
    WSGIScriptAlias /$plc_api_path_noslash /usr/share/plc_api/apache/plc.wsgi
 # xxx would be cool to be able to tweak this through config
    WSGIDaemonProcess plcapi-wsgi-ssl user=apache group=apache processes=1 threads=25
@@ -178,12 +200,10 @@ WSGISocketPrefix run/wsgi
       Options +ExecCGI
       $(apache_allow)
    </Directory>
-</IfModule>
 
 </VirtualHost>
-
 EOF
-
+               fi
            fi
        done >$plc_conf
 
@@ -272,6 +292,10 @@ EOF
          chmod 666 /var/log/php.log
        fi
 
+       ## make room for logs
+       touch /var/log/plcapi.log
+       chmod 666 /var/log/plcapi.log
+
        plc_daemon httpd
        check