/[gentoo-x86]/eclass/webapp.eclass
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Revision 1.9 Revision 1.18
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 1.18 2004/05/17 22:44:35 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="$DEPEND >=net-www/webapp-config-1.9 app-portage/gentoolkit"
24 27
25EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install 28EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm
29
30INSTALL_DIR="/$PN"
31IS_UPGRADE=0
32IS_REPLACE=0
26 33
27# ------------------------------------------------------------------------ 34# ------------------------------------------------------------------------
28# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 35# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
29# 36#
30# Check whether a specified file exists within the image/ directory 37# Check whether a specified file exists within the image/ directory
51 58
52# ------------------------------------------------------------------------ 59# ------------------------------------------------------------------------
53# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 60# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
54# ------------------------------------------------------------------------ 61# ------------------------------------------------------------------------
55 62
63function webapp_check_installedat
64{
65 local my_output
66
67 /usr/sbin/webapp-config --show-installed -h localhost -d $INSTALL_DIR 2> /dev/null
68}
69
70# ------------------------------------------------------------------------
71# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
72# ------------------------------------------------------------------------
73
56function webapp_import_config () 74function webapp_import_config ()
57{ 75{
58 if [ -z "${MY_HTDOCSDIR}" ]; then 76 if [ -z "${MY_HTDOCSDIR}" ]; then
59 . /etc/conf.d/webapp-config 77 . /etc/conf.d/webapp-config
60 fi 78 fi
69# 87#
70# ------------------------------------------------------------------------ 88# ------------------------------------------------------------------------
71 89
72function webapp_strip_appdir () 90function webapp_strip_appdir ()
73{ 91{
92 local my_stripped="$1"
74 echo "$1" | sed -e "s|${D}${MY_APPDIR}/||g;" 93 echo "$1" | sed -e "s|${MY_APPDIR}/||g;"
75} 94}
76 95
77function webapp_strip_d () 96function webapp_strip_d ()
78{ 97{
79 echo "$1" | sed -e "s|${D}||g;" 98 echo "$1" | sed -e "s|${D}||g;"
80} 99}
81 100
82function webapp_strip_cwd () 101function webapp_strip_cwd ()
83{ 102{
103 local my_stripped="$1"
84 echo "$1" | sed -e 's|/./|/|g;' 104 echo "$1" | sed -e 's|/./|/|g;'
85} 105}
86 106
87# ------------------------------------------------------------------------ 107# ------------------------------------------------------------------------
88# EXPORTED FUNCTION - FOR USE IN EBUILDS 108# EXPORTED FUNCTION - FOR USE IN EBUILDS
93# ------------------------------------------------------------------------ 113# ------------------------------------------------------------------------
94 114
95function webapp_configfile () 115function webapp_configfile ()
96{ 116{
97 webapp_checkfileexists "$1" "$D" 117 webapp_checkfileexists "$1" "$D"
118 echo $1
98 local MY_FILE="`webapp_strip_appdir $1`" 119 local MY_FILE="`webapp_strip_appdir $1`"
120 echo $MY_FILE
99 121
100 einfo "(config) $MY_FILE" 122 einfo "(config) $MY_FILE"
101 echo "$MY_FILE" >> ${D}${WA_CONFIGLIST} 123 echo "$MY_FILE" >> ${D}${WA_CONFIGLIST}
124}
125
126# ------------------------------------------------------------------------
127# EXPORTED FUNCTION - FOR USE IN EBUILDS
128#
129# Install a script that will run after a virtual copy is created, and
130# before a virtual copy has been removed
131#
132# @param $1 - the script to run
133# ------------------------------------------------------------------------
134
135function webapp_hook_script ()
136{
137 webapp_checkfileexists "$2"
138
139 einfo "(hook) $1"
140 cp "$1" "${D}${MY_HOOKSCRIPTSDIR}/`basename $1`" || die "Unable to install $1 into ${D}${MY_HOOKSCRIPTSDIR}/"
141 chmod 555 "${D}${MY_HOOKSCRIPTSDIR}/`basename $1`"
102} 142}
103 143
104# ------------------------------------------------------------------------ 144# ------------------------------------------------------------------------
105# EXPORTED FUNCTION - FOR USE IN EBUILDS 145# EXPORTED FUNCTION - FOR USE IN EBUILDS
106# 146#
164} 204}
165 205
166# ------------------------------------------------------------------------ 206# ------------------------------------------------------------------------
167# EXPORTED FUNCTION - FOR USE IN EBUILDS 207# EXPORTED FUNCTION - FOR USE IN EBUILDS
168# 208#
209# @param $1 - the webserver to install the config file for
210# (one of apache1, apache2, cherokee)
211# @param $2 - the config file to install
212# @param $3 - new name for the config file (default is `basename $2`)
213# this is an optional parameter
214#
215# NOTE:
216# this function will automagically prepend $1 to the front of your
217# config file's name
218# ------------------------------------------------------------------------
219
220function webapp_server_config ()
221{
222 webapp_checkfileexists "$2"
223
224 # sort out what the name will be of the config file
225
226 local my_file
227
228 if [ -z "$3" ]; then
229 $my_file="$1-`basename $2`"
230 else
231 $my_file="$1-$3"
232 fi
233
234 # warning:
235 #
236 # do NOT change the naming convention used here without changing all
237 # the other scripts that also rely upon these names
238
239 einfo "($1) config file '$my_file'"
240 cp "$2" "${D}${MY_SERVERCONFIGDIR}/${my_file}"
241}
242
243# ------------------------------------------------------------------------
244# EXPORTED FUNCTION - FOR USE IN EBUILDS
169# 245#
170# @param $1 - the db engine that the script is for 246# @param $1 - the db engine that the script is for
171# (one of: mysql|postgres) 247# (one of: mysql|postgres)
172# @param $2 - the sql script to be installed 248# @param $2 - the sql script to be installed
173# @param $3 - the older version of the app that this db script 249# @param $3 - the older version of the app that this db script
215# the final version! 291# the final version!
216# ------------------------------------------------------------------------ 292# ------------------------------------------------------------------------
217 293
218function webapp_src_install () 294function webapp_src_install ()
219{ 295{
220 chown -R root:root ${D}/ 296 chown -R ${VHOST_DEFAULT_UID}:${VHOST_DEFAULT_GID} ${D}/
221 chmod -R u-s ${D}/ 297 chmod -R u-s ${D}/
222 chmod -R g-s ${D}/ 298 chmod -R g-s ${D}/
223 299
224 keepdir ${MY_PERSISTDIR} 300 keepdir ${MY_PERSISTDIR}
225 fowners root:root ${MY_PERSISTDIR} 301 fowners root:root ${MY_PERSISTDIR}
226 fperms 755 ${MY_PERSISTDIR} 302 fperms 755 ${MY_PERSISTDIR}
303
304 HAS_webapp_src_install=1
227} 305}
228 306
229# ------------------------------------------------------------------------ 307# ------------------------------------------------------------------------
230# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER 308# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER
231# everything else has run 309# everything else has run
234# 312#
235# ------------------------------------------------------------------------ 313# ------------------------------------------------------------------------
236 314
237function webapp_pkg_setup () 315function webapp_pkg_setup ()
238{ 316{
317 # add sanity checks here
318
319 if [ "$SLOT+" != "${PVR}+" ]; then
320 die "ebuild sets SLOT, overrides webapp.eclass"
321 fi
322
239 # pull in the shared configuration file 323 # pull in the shared configuration file
240 324
325 G_HOSTNAME="localhost"
241 . /etc/vhosts/webapp-config || die "Unable to open /etc/vhosts/webapp-config file" 326 . /etc/vhosts/webapp-config || die "Unable to open /etc/vhosts/webapp-config file"
242 327
328 # are we installing a webapp-config solution over the top of a
329 # non-webapp-config solution?
330
331 if ! use vhosts ; then
332 local my_dir="$VHOST_ROOT/$MY_HTDOCSBASE/$PN"
333 local my_output
334
335 if [ -d "$my_dir" ] ; then
336 einfo "You already have something installed in $my_dir"
337 einfo "Are you trying to install over the top of something I cannot upgrade?"
338
339 my_output="`webapp_check_installedat`"
340
341 if [ "$?" != "0" ]; then
342
343 # okay, whatever is there, it isn't webapp-config-compatible
344 ewarn
345 ewarn "Whatever is in $my_dir, it's not"
346 ewarn "compatible with webapp-config."
347 ewarn
348
349 my_output="`qpkg -nc -v -f $my_dir`"
350 if [ -n "$my_output" ]; then
351 eerror "Please remove $my_output and re-emerge."
352 else
353 eerror "Please remove the contents of $my_dir, and then re-emerge."
354 fi
355 die "Cannot upgrade contents of $my_dir"
356 elif [ "`echo $my_output | awk '{ print $1 }'`" != "$PN" ]; then
357 eerror "$my_dir contains $my_output"
358 eerror "I cannot upgrade that"
359 die "Cannot upgrade contents of $my_dir"
360 else
361 einfo
362 einfo "I can upgrade the contents of $my_dir"
363 einfo
364 fi
365 fi
366 fi
367}
368
369function webapp_someunusedfunction ()
370{
243 # are we emerging something that is already installed? 371 # are we emerging something that is already installed?
244 372
245 if [ -d "${D}${MY_APPROOT}/${MY_APPSUFFIX}" ]; then 373 if [ -d "${D}${MY_APPROOT}/${MY_APPSUFFIX}" ]; then
246 # yes we are 374 # yes we are
247 ewarn "Removing existing copy of ${PN}-${PVR}" 375 ewarn "Removing existing copy of ${PN}-${PVR}"
248 rm -rf "${D}${MY_APPROOT}/${MY_APPSUFFIX}" 376 rm -rf "${D}${MY_APPROOT}/${MY_APPSUFFIX}"
377 fi
378}
379
380function webapp_getinstalltype ()
381{
382 # or are we upgrading?
383
384 if ! use vhosts ; then
385 # we only run webapp-config if vhosts USE flag is not set
386
387 local my_output
388
389 my_output="`webapp_check_installedat`"
390
391 if [ "$?" = "0" ] ; then
392 # something is already installed there
393 #
394 # make sure it isn't the same version
395
396 local my_pn="`echo $my_output | awk '{ print $1 }'`"
397 local my_pvr="`echo $my_output | awk '{ print $2 }'`"
398
399 REMOVE_PKG="${my_pn}-${my_pvr}"
400
401 if [ "$my_pn" == "$PN" ]; then
402 if [ "$my_pvr" != "$PVR" ]; then
403 einfo "This is an upgrade"
404 IS_UPGRADE=1
405 else
406 einfo "This is a re-installation"
407 IS_REPLACE=1
408 fi
409 else
410 einfo "$my_ouptut is installed there"
411 fi
412 else
413 einfo "This is an installation"
414 fi
249 fi 415 fi
250} 416}
251 417
252function webapp_src_preinst () 418function webapp_src_preinst ()
253{ 419{
261 dodir ${MY_SQLSCRIPTSDIR} 427 dodir ${MY_SQLSCRIPTSDIR}
262} 428}
263 429
264function webapp_pkg_postinst () 430function webapp_pkg_postinst ()
265{ 431{
432 # sanity checks, to catch bugs in the ebuild
433
434 if [ "$HAS_webapp_src_install+" == "+" ]; then
435 eerror
436 eerror "This ebuild did not call webapp_src_install() at the end"
437 eerror "of the src_install() function"
438 eerror
439 eerror "Please log a bug on http://bugs.gentoo.org"
440 eerror
441 eerror "You should use emerge -C to remove this package, as the"
442 eerror "installation is incomplete"
443 eerror
444 die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org"
445 fi
446
447 # if 'vhosts' is not set in your USE flags, we install a copy of
448 # this application in /var/www/localhost/htdocs/${PN}/ for you
449
450 if ! use vhosts ; then
451 echo
452 einfo "vhosts USE flag not set - auto-installing using webapp-config"
453
454 webapp_getinstalltype
455
266 G_HOSTNAME="localhost" 456 G_HOSTNAME="localhost"
267 . /etc/vhosts/webapp-config 457 . /etc/vhosts/webapp-config
268 458
269 use vhosts || /usr/sbin/webapp-config -I -u root -h localhost -d "${VHOST_ROOT}/htdocs/${PN}/" ${PN} ${PVR} 459 local my_mode=-I
460
461 if [ "$IS_REPLACE" = "1" ]; then
462 einfo "${PN}-${PVR} is already installed - replacing"
463 /usr/sbin/webapp-config -C -d "$INSTALL_DIR"
464 elif [ "$IS_UPGRADE" = "1" ]; then
465 einfo "$REMOVE_PKG is already installed - upgrading"
466 my_mode=-U
467 else
468 einfo "${PN}-${PVR} is not installed - using install mode"
469 fi
470
471 my_cmd="/usr/sbin/webapp-config $my_mode -h localhost -u root -d $INSTALL_DIR ${PN} ${PVR}"
472 einfo "Running $my_cmd"
473 $my_cmd
474
475 # remove the old version
476 #
477 # why do we do this? well ...
478 #
479 # normally, emerge -u installs a new version and then removes the
480 # old version. however, if the new version goes into a different
481 # slot to the old version, then the old version gets left behind
482 #
483 # if USE=-vhosts, then we want to remove the old version, because
484 # the user is relying on portage to do the magical thing for it
485
486 if [ "$IS_UPGRADE" = "1" ] ; then
487 einfo "Removing old version $REMOVE_PKG"
488
489 emerge -C $CATEGORY/$REMOVE_PKG
490 fi
491 else
492 # vhosts flag is on
493 #
494 # let's tell the administrator what to do next
495
496 einfo
497 einfo "The 'vhosts' USE flag is switched ON"
498 einfo "This means that Portage will not automatically run webapp-config to"
499 einfo "complete the installation."
500 einfo
501 einfo "To install $PN-$PVR into a virtual host, run the following command:"
502 einfo
503 einfo " webapp-config -I -h <host> -d $PN $PN $PVR"
504 einfo
505 einfo "For more details, see the webapp-config(8) man page"
506 fi
507
508 return 0
270} 509}
510
511function webapp_pkg_prerm ()
512{
513 # remove any virtual installs that there are
514
515 local my_output
516 local x
517
518 my_output="`webapp-config --list-installs $PN $PVR`"
519
520 if [ "$?" != "0" ]; then
521 return
522 fi
523
524 # the changes to IFS here are necessary to ensure that we can cope
525 # with directories that contain spaces in the file names
526
527 # OLD_IFS="$IFS"
528 # IFS=" "
529
530 for x in $my_output ; do
531 # IFS="$OLD_IFS"
532
533 [ -f $x/.webapp ] && . $x/.webapp || ewarn "Cannot find file $x/.webapp"
534
535 if [ -z "WEB_HOSTNAME" -o -z "WEB_INSTALLDIR" ]; then
536 ewarn "Don't forget to use webapp-config to remove the copy of"
537 ewarn "${PN}-${PVR} installed in"
538 ewarn
539 ewarn " $x"
540 ewarn
541 else
542 # we have enough information to remove the virtual copy ourself
543
544 webapp-config -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR}
545
546 # if the removal fails - we carry on anyway!
547 fi
548 # IFS=" "
549 done
550
551 # IFS="$OLD_IFS"
552}

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