/[gentoo-x86]/eclass/webapp.eclass
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Revision 1.9 Revision 1.21
1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2004 Gentoo Technologies, Inc.
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/webapp.eclass,v 1.9 2004/04/23 22:02:27 stuart Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/webapp.eclass,v 1.21 2004/05/25 10:22:02 stuart Exp $
4# 4#
5# eclass/webapp.eclass 5# eclass/webapp.eclass
6# Eclass for installing applications to run under a web server 6# Eclass for installing applications to run under a web server
7# 7#
8# Part of the implementation of GLEP #11 8# Part of the implementation of GLEP #11
9# 9#
10# Author(s) Stuart Herbert <stuart@gentoo.org> 10# Author(s) Stuart Herbert <stuart@gentoo.org>
11# 11#
12# ------------------------------------------------------------------------ 12# ------------------------------------------------------------------------
13# 13#
14# Please do not make modifications to this file without checking with a 14# The master copy of this eclass is held in Stu's subversion repository.
15# member of the web-apps herd first! 15#
16# If you make changes to this file and don't tell Stu, chances are that
17# your changes will be overwritten the next time Stu releases a new version
18# of webapp-config.
16# 19#
17# ------------------------------------------------------------------------ 20# ------------------------------------------------------------------------
18 21
19ECLASS=webapp 22ECLASS=webapp
20INHERITED="$INHERITED $ECLASS" 23INHERITED="$INHERITED $ECLASS"
21SLOT="${PVR}" 24SLOT="${PVR}"
22IUSE="$IUSE vhosts" 25IUSE="$IUSE vhosts"
23DEPEND="$DEPEND >=net-www/webapp-config-1.4" 26DEPEND="$DEPEND >=net-www/webapp-config-1.7 app-portage/gentoolkit"
24 27
25EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install 28EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm
29
30INSTALL_DIR="/$PN"
31IS_UPGRADE=0
32IS_REPLACE=0
33
34INSTALL_CHECK_FILE="installed_by_webapp_eclass"
35
36ETC_CONFIG="/etc/vhosts/webapp-config"
26 37
27# ------------------------------------------------------------------------ 38# ------------------------------------------------------------------------
28# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 39# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
29# 40#
30# Check whether a specified file exists within the image/ directory 41# Check whether a specified file exists within the image/ directory
51 62
52# ------------------------------------------------------------------------ 63# ------------------------------------------------------------------------
53# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 64# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
54# ------------------------------------------------------------------------ 65# ------------------------------------------------------------------------
55 66
67function webapp_check_installedat
68{
69 local my_output
70
71 /usr/sbin/webapp-config --show-installed -h localhost -d $INSTALL_DIR 2> /dev/null
72}
73
74# ------------------------------------------------------------------------
75# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
76# ------------------------------------------------------------------------
77
56function webapp_import_config () 78function webapp_import_config ()
57{ 79{
58 if [ -z "${MY_HTDOCSDIR}" ]; then 80 if [ -z "${MY_HTDOCSDIR}" ]; then
59 . /etc/conf.d/webapp-config 81 . /etc/conf.d/webapp-config
60 fi 82 fi
69# 91#
70# ------------------------------------------------------------------------ 92# ------------------------------------------------------------------------
71 93
72function webapp_strip_appdir () 94function webapp_strip_appdir ()
73{ 95{
96 local my_stripped="$1"
74 echo "$1" | sed -e "s|${D}${MY_APPDIR}/||g;" 97 echo "$1" | sed -e "s|${MY_APPDIR}/||g;"
75} 98}
76 99
77function webapp_strip_d () 100function webapp_strip_d ()
78{ 101{
79 echo "$1" | sed -e "s|${D}||g;" 102 echo "$1" | sed -e "s|${D}||g;"
80} 103}
81 104
82function webapp_strip_cwd () 105function webapp_strip_cwd ()
83{ 106{
107 local my_stripped="$1"
84 echo "$1" | sed -e 's|/./|/|g;' 108 echo "$1" | sed -e 's|/./|/|g;'
85} 109}
86 110
87# ------------------------------------------------------------------------ 111# ------------------------------------------------------------------------
88# EXPORTED FUNCTION - FOR USE IN EBUILDS 112# EXPORTED FUNCTION - FOR USE IN EBUILDS
93# ------------------------------------------------------------------------ 117# ------------------------------------------------------------------------
94 118
95function webapp_configfile () 119function webapp_configfile ()
96{ 120{
97 webapp_checkfileexists "$1" "$D" 121 webapp_checkfileexists "$1" "$D"
122 echo $1
98 local MY_FILE="`webapp_strip_appdir $1`" 123 local MY_FILE="`webapp_strip_appdir $1`"
124 echo $MY_FILE
99 125
100 einfo "(config) $MY_FILE" 126 einfo "(config) $MY_FILE"
101 echo "$MY_FILE" >> ${D}${WA_CONFIGLIST} 127 echo "$MY_FILE" >> ${D}${WA_CONFIGLIST}
128}
129
130# ------------------------------------------------------------------------
131# EXPORTED FUNCTION - FOR USE IN EBUILDS
132#
133# Install a script that will run after a virtual copy is created, and
134# before a virtual copy has been removed
135#
136# @param $1 - the script to run
137# ------------------------------------------------------------------------
138
139function webapp_hook_script ()
140{
141 webapp_checkfileexists "$2"
142
143 einfo "(hook) $1"
144 cp "$1" "${D}${MY_HOOKSCRIPTSDIR}/`basename $1`" || die "Unable to install $1 into ${D}${MY_HOOKSCRIPTSDIR}/"
145 chmod 555 "${D}${MY_HOOKSCRIPTSDIR}/`basename $1`"
102} 146}
103 147
104# ------------------------------------------------------------------------ 148# ------------------------------------------------------------------------
105# EXPORTED FUNCTION - FOR USE IN EBUILDS 149# EXPORTED FUNCTION - FOR USE IN EBUILDS
106# 150#
164} 208}
165 209
166# ------------------------------------------------------------------------ 210# ------------------------------------------------------------------------
167# EXPORTED FUNCTION - FOR USE IN EBUILDS 211# EXPORTED FUNCTION - FOR USE IN EBUILDS
168# 212#
213# @param $1 - the webserver to install the config file for
214# (one of apache1, apache2, cherokee)
215# @param $2 - the config file to install
216# @param $3 - new name for the config file (default is `basename $2`)
217# this is an optional parameter
218#
219# NOTE:
220# this function will automagically prepend $1 to the front of your
221# config file's name
222# ------------------------------------------------------------------------
223
224function webapp_server_config ()
225{
226 webapp_checkfileexists "$2"
227
228 # sort out what the name will be of the config file
229
230 local my_file
231
232 if [ -z "$3" ]; then
233 $my_file="$1-`basename $2`"
234 else
235 $my_file="$1-$3"
236 fi
237
238 # warning:
239 #
240 # do NOT change the naming convention used here without changing all
241 # the other scripts that also rely upon these names
242
243 einfo "($1) config file '$my_file'"
244 cp "$2" "${D}${MY_SERVERCONFIGDIR}/${my_file}"
245}
246
247# ------------------------------------------------------------------------
248# EXPORTED FUNCTION - FOR USE IN EBUILDS
169# 249#
170# @param $1 - the db engine that the script is for 250# @param $1 - the db engine that the script is for
171# (one of: mysql|postgres) 251# (one of: mysql|postgres)
172# @param $2 - the sql script to be installed 252# @param $2 - the sql script to be installed
173# @param $3 - the older version of the app that this db script 253# @param $3 - the older version of the app that this db script
215# the final version! 295# the final version!
216# ------------------------------------------------------------------------ 296# ------------------------------------------------------------------------
217 297
218function webapp_src_install () 298function webapp_src_install ()
219{ 299{
220 chown -R root:root ${D}/ 300 chown -R ${VHOST_DEFAULT_UID}:${VHOST_DEFAULT_GID} ${D}/
221 chmod -R u-s ${D}/ 301 chmod -R u-s ${D}/
222 chmod -R g-s ${D}/ 302 chmod -R g-s ${D}/
223 303
224 keepdir ${MY_PERSISTDIR} 304 keepdir ${MY_PERSISTDIR}
225 fowners root:root ${MY_PERSISTDIR} 305 fowners root:root ${MY_PERSISTDIR}
226 fperms 755 ${MY_PERSISTDIR} 306 fperms 755 ${MY_PERSISTDIR}
307
308 # to test whether or not the ebuild has correctly called this function
309 # we add an empty file to the filesystem
310 #
311 # we used to just set a variable in the shell script, but we can
312 # no longer rely on Portage calling both webapp_src_install() and
313 # webapp_pkg_postinst() within the same shell process
314
315 touch ${D}/${MY_APPDIR}/${INSTALL_CHECK_FILE}
227} 316}
228 317
229# ------------------------------------------------------------------------ 318# ------------------------------------------------------------------------
230# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER 319# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER
231# everything else has run 320# everything else has run
234# 323#
235# ------------------------------------------------------------------------ 324# ------------------------------------------------------------------------
236 325
237function webapp_pkg_setup () 326function webapp_pkg_setup ()
238{ 327{
328 # add sanity checks here
329
330 if [ "$SLOT+" != "${PVR}+" ]; then
331 die "ebuild sets SLOT, overrides webapp.eclass"
332 fi
333
239 # pull in the shared configuration file 334 # pull in the shared configuration file
240 335
241 . /etc/vhosts/webapp-config || die "Unable to open /etc/vhosts/webapp-config file" 336 G_HOSTNAME="localhost"
337 . ${ETC_CONFIG} || die "Unable to open /etc/vhosts/webapp-config file"
242 338
339 # are we installing a webapp-config solution over the top of a
340 # non-webapp-config solution?
341
342 if ! use vhosts ; then
343 local my_dir="$VHOST_ROOT/$MY_HTDOCSBASE/$PN"
344 local my_output
345
346 if [ -d "$my_dir" ] ; then
347 einfo "You already have something installed in $my_dir"
348 einfo "Are you trying to install over the top of something I cannot upgrade?"
349
350 my_output="`webapp_check_installedat`"
351
352 if [ "$?" != "0" ]; then
353
354 # okay, whatever is there, it isn't webapp-config-compatible
355 ewarn
356 ewarn "Whatever is in $my_dir, it's not"
357 ewarn "compatible with webapp-config."
358 ewarn
359 ewarn "This ebuild may be overwriting important files."
360 ewarn
361 elif [ "`echo $my_output | awk '{ print $1 }'`" != "$PN" ]; then
362 eerror "$my_dir contains $my_output"
363 eerror "I cannot upgrade that"
364 die "Cannot upgrade contents of $my_dir"
365 else
366 einfo
367 einfo "I can upgrade the contents of $my_dir"
368 einfo
369 fi
370 fi
371 fi
372}
373
374function webapp_someunusedfunction ()
375{
243 # are we emerging something that is already installed? 376 # are we emerging something that is already installed?
244 377
245 if [ -d "${D}${MY_APPROOT}/${MY_APPSUFFIX}" ]; then 378 if [ -d "${D}${MY_APPROOT}/${MY_APPSUFFIX}" ]; then
246 # yes we are 379 # yes we are
247 ewarn "Removing existing copy of ${PN}-${PVR}" 380 ewarn "Removing existing copy of ${PN}-${PVR}"
248 rm -rf "${D}${MY_APPROOT}/${MY_APPSUFFIX}" 381 rm -rf "${D}${MY_APPROOT}/${MY_APPSUFFIX}"
382 fi
383}
384
385function webapp_getinstalltype ()
386{
387 # or are we upgrading?
388
389 if ! use vhosts ; then
390 # we only run webapp-config if vhosts USE flag is not set
391
392 local my_output
393
394 my_output="`webapp_check_installedat`"
395
396 if [ "$?" = "0" ] ; then
397 # something is already installed there
398 #
399 # make sure it isn't the same version
400
401 local my_pn="`echo $my_output | awk '{ print $1 }'`"
402 local my_pvr="`echo $my_output | awk '{ print $2 }'`"
403
404 REMOVE_PKG="${my_pn}-${my_pvr}"
405
406 if [ "$my_pn" == "$PN" ]; then
407 if [ "$my_pvr" != "$PVR" ]; then
408 einfo "This is an upgrade"
409 IS_UPGRADE=1
410 else
411 einfo "This is a re-installation"
412 IS_REPLACE=1
413 fi
414 else
415 einfo "$my_ouptut is installed there"
416 fi
417 else
418 einfo "This is an installation"
419 fi
249 fi 420 fi
250} 421}
251 422
252function webapp_src_preinst () 423function webapp_src_preinst ()
253{ 424{
261 dodir ${MY_SQLSCRIPTSDIR} 432 dodir ${MY_SQLSCRIPTSDIR}
262} 433}
263 434
264function webapp_pkg_postinst () 435function webapp_pkg_postinst ()
265{ 436{
437 . ${ETC_CONFIG}
438
439 # sanity checks, to catch bugs in the ebuild
440
441 if [ ! -f ${MY_APPDIR}/${INSTALL_CHECK_FILE} ]; then
442 eerror
443 eerror "This ebuild did not call webapp_src_install() at the end"
444 eerror "of the src_install() function"
445 eerror
446 eerror "Please log a bug on http://bugs.gentoo.org"
447 eerror
448 eerror "You should use emerge -C to remove this package, as the"
449 eerror "installation is incomplete"
450 eerror
451 die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org"
452 fi
453
454 # if 'vhosts' is not set in your USE flags, we install a copy of
455 # this application in /var/www/localhost/htdocs/${PN}/ for you
456
457 if ! use vhosts ; then
458 echo
459 einfo "vhosts USE flag not set - auto-installing using webapp-config"
460
461 webapp_getinstalltype
462
266 G_HOSTNAME="localhost" 463 G_HOSTNAME="localhost"
267 . /etc/vhosts/webapp-config 464 . /etc/vhosts/webapp-config
268 465
269 use vhosts || /usr/sbin/webapp-config -I -u root -h localhost -d "${VHOST_ROOT}/htdocs/${PN}/" ${PN} ${PVR} 466 local my_mode=-I
467
468 if [ "$IS_REPLACE" = "1" ]; then
469 einfo "${PN}-${PVR} is already installed - replacing"
470 /usr/sbin/webapp-config -C -d "$INSTALL_DIR"
471 elif [ "$IS_UPGRADE" = "1" ]; then
472 einfo "$REMOVE_PKG is already installed - upgrading"
473 my_mode=-U
474 else
475 einfo "${PN}-${PVR} is not installed - using install mode"
476 fi
477
478 my_cmd="/usr/sbin/webapp-config $my_mode -h localhost -u root -d $INSTALL_DIR ${PN} ${PVR}"
479 einfo "Running $my_cmd"
480 $my_cmd
481
482 # remove the old version
483 #
484 # why do we do this? well ...
485 #
486 # normally, emerge -u installs a new version and then removes the
487 # old version. however, if the new version goes into a different
488 # slot to the old version, then the old version gets left behind
489 #
490 # if USE=-vhosts, then we want to remove the old version, because
491 # the user is relying on portage to do the magical thing for it
492
493 if [ "$IS_UPGRADE" = "1" ] ; then
494 einfo "Removing old version $REMOVE_PKG"
495
496 emerge -C $CATEGORY/$REMOVE_PKG
497 fi
498 else
499 # vhosts flag is on
500 #
501 # let's tell the administrator what to do next
502
503 einfo
504 einfo "The 'vhosts' USE flag is switched ON"
505 einfo "This means that Portage will not automatically run webapp-config to"
506 einfo "complete the installation."
507 einfo
508 einfo "To install $PN-$PVR into a virtual host, run the following command:"
509 einfo
510 einfo " webapp-config -I -h <host> -d $PN $PN $PVR"
511 einfo
512 einfo "For more details, see the webapp-config(8) man page"
513 fi
514
515 return 0
270} 516}
517
518function webapp_pkg_prerm ()
519{
520 # remove any virtual installs that there are
521
522 local my_output
523 local x
524
525 my_output="`webapp-config --list-installs $PN $PVR`"
526
527 if [ "$?" != "0" ]; then
528 return
529 fi
530
531 # the changes to IFS here are necessary to ensure that we can cope
532 # with directories that contain spaces in the file names
533
534 # OLD_IFS="$IFS"
535 # IFS=" "
536
537 for x in $my_output ; do
538 # IFS="$OLD_IFS"
539
540 [ -f $x/.webapp ] && . $x/.webapp || ewarn "Cannot find file $x/.webapp"
541
542 if [ -z "WEB_HOSTNAME" -o -z "WEB_INSTALLDIR" ]; then
543 ewarn "Don't forget to use webapp-config to remove the copy of"
544 ewarn "${PN}-${PVR} installed in"
545 ewarn
546 ewarn " $x"
547 ewarn
548 else
549 # we have enough information to remove the virtual copy ourself
550
551 webapp-config -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR}
552
553 # if the removal fails - we carry on anyway!
554 fi
555 # IFS=" "
556 done
557
558 # IFS="$OLD_IFS"
559}

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