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Revision 1.1 Revision 1.44
1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2006 Gentoo Foundation
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 1.1 2003/10/07 21:54:46 stuart Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/webapp.eclass,v 1.44 2006/07/11 02:36:23 rl03 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# Renat Lumpau <rl03@gentoo.org>
12# Gunnar Wrobel <wrobel@gentoo.org>
11# 13#
12# ------------------------------------------------------------------------ 14# ------------------------------------------------------------------------
13# 15#
14# Please do not make modifications to this file without checking with a 16# The master copy of this eclass is held in our subversion repository.
15# member of the web-apps herd first! 17# http://svn.gnqs.org/projects/vhost-tools/browser/
16# 18#
17# ------------------------------------------------------------------------ 19# If you make changes to this file and don't tell us, chances are that
20# your changes will be overwritten the next time we release a new version
21# of webapp-config.
18# 22#
19# THIS IS A BETA RELEASE ONLY. ALL DETAILS ARE SUBJECT TO CHANGE BEFORE
20# WE ARE READY TO START PORTING EVERYTHING TO THIS ECLASS
21#
22# ------------------------------------------------------------------------ 23# ------------------------------------------------------------------------
23 24
24ECLASS=webapp
25INHERITED="$INHERITED $ECLASS"
26#DEPEND="${DEPEND} net-www/apache"
27SLOT="${PVR}" 25SLOT="${PVR}"
28IUSE="$IUSE vhosts" 26IUSE="vhosts"
27DEPEND="app-admin/webapp-config"
28RDEPEND="${DEPEND}"
29 29
30if [ -f /usr/share/webapp-config/settings.sh ] ; then 30EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm
31 . /usr/share/webapp-config/settings.sh 31
32INSTALL_DIR="/${PN}"
33IS_UPGRADE=0
34IS_REPLACE=0
35
36INSTALL_CHECK_FILE="installed_by_webapp_eclass"
37
38ETC_CONFIG="${ROOT}/etc/vhosts/webapp-config"
39WEBAPP_CONFIG="${ROOT}/usr/sbin/webapp-config"
40
41# ------------------------------------------------------------------------
42# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
43#
44# Load the config file /etc/vhosts/webapp-config
45#
46# Supports both the old bash version, and the new python version
47#
48# ------------------------------------------------------------------------
49
50function webapp_read_config ()
51{
52 if has_version '>=app-admin/webapp-config-1.50'; then
53 ENVVAR=$(${WEBAPP_CONFIG} --query ${PN} ${PVR}) || die "Could not read settings from webapp-config!"
54 eval ${ENVVAR}
55 else
56 . ${ETC_CONFIG} || die "Unable to read ${ETC_CONFIG}"
32fi 57 fi
33 58}
34EXPORT_FUNCTIONS pkg_setup src_install
35 59
36# ------------------------------------------------------------------------ 60# ------------------------------------------------------------------------
37# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY 61# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
38# 62#
39# Check whether a specified file exists within the image/ directory 63# Check whether a specified file exists within the image/ directory
40# or not. 64# or not.
41# 65#
42# @param $1 - file to look for 66# @param $1 - file to look for
67# @param $2 - prefix directory to use
43# @return 0 on success, never returns on an error 68# @return 0 on success, never returns on an error
44# ------------------------------------------------------------------------ 69# ------------------------------------------------------------------------
45 70
46function webapp_checkfileexists () 71function webapp_checkfileexists ()
47{ 72{
73 local my_prefix
74
75 [ -n "${2}" ] && my_prefix="${2}/" || my_prefix=
76
48 if [ ! -e ${D}/$1 ]; then 77 if [ ! -e "${my_prefix}${1}" ]; then
49 msg="ebuild fault: file $1 not found in ${D}" 78 msg="ebuild fault: file '${1}' not found"
50 eerror "$msg" 79 eerror "$msg"
51 eerror "Please report this as a bug at http://bugs.gentoo.org/" 80 eerror "Please report this as a bug at http://bugs.gentoo.org/"
52 die "$msg" 81 die "$msg"
53 fi 82 fi
54} 83}
55 84
56# ------------------------------------------------------------------------ 85# ------------------------------------------------------------------------
86# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
87# ------------------------------------------------------------------------
88
89function webapp_check_installedat
90{
91 local my_output
92
93 ${WEBAPP_CONFIG} --show-installed -h localhost -d "${INSTALL_DIR}" 2> /dev/null
94}
95
96# ------------------------------------------------------------------------
97# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
98#
99# ------------------------------------------------------------------------
100
101function webapp_strip_appdir ()
102{
103 local my_stripped="${1}"
104 echo "${1}" | sed -e "s|${MY_APPDIR}/||g;"
105}
106
107function webapp_strip_d ()
108{
109 echo "${1}" | sed -e "s|${D}||g;"
110}
111
112function webapp_strip_cwd ()
113{
114 local my_stripped="${1}"
115 echo "${1}" | sed -e 's|/./|/|g;'
116}
117
118# ------------------------------------------------------------------------
119# EXPORTED FUNCTION - FOR USE IN EBUILDS
120#
121# Identify a config file for a web-based application.
122#
123# @param $1 - config file
124# ------------------------------------------------------------------------
125
126function webapp_configfile ()
127{
128 local m=""
129 for m in "$@" ; do
130 webapp_checkfileexists "${m}" "${D}"
131
132 local MY_FILE="$(webapp_strip_appdir "${m}")"
133 MY_FILE="$(webapp_strip_cwd "${MY_FILE}")"
134
135 elog "(config) ${MY_FILE}"
136 echo "${MY_FILE}" >> ${D}/${WA_CONFIGLIST}
137 done
138}
139
140# ------------------------------------------------------------------------
141# EXPORTED FUNCTION - FOR USE IN EBUILDS
142#
143# Install a script that will run after a virtual copy is created, and
144# before a virtual copy has been removed
145#
146# @param $1 - the script to run
147# ------------------------------------------------------------------------
148
149function webapp_hook_script ()
150{
151 webapp_checkfileexists "${1}"
152
153 elog "(hook) ${1}"
154 cp "${1}" "${D}/${MY_HOOKSCRIPTSDIR}/$(basename "${1}")" || die "Unable to install ${1} into ${D}/${MY_HOOKSCRIPTSDIR}/"
155 chmod 555 "${D}/${MY_HOOKSCRIPTSDIR}/$(basename "${1}")"
156}
157
158# ------------------------------------------------------------------------
159# EXPORTED FUNCTION - FOR USE IN EBUILDS
160#
161# Install a text file containing post-installation instructions.
162#
163# @param $1 - language code (use 'en' for now)
164# @param $2 - the file to install
165# ------------------------------------------------------------------------
166
167function webapp_postinst_txt ()
168{
169 webapp_checkfileexists "${2}"
170
171 elog "(info) ${2} (lang: ${1})"
172 cp "${2}" "${D}/${MY_APPDIR}/postinst-${1}.txt"
173}
174
175# ------------------------------------------------------------------------
176# EXPORTED FUNCTION - FOR USE IN EBUILDS
177#
178# Install a text file containing post-upgrade instructions.
179#
180# @param $1 - language code (use 'en' for now)
181# @param $2 - the file to install
182# ------------------------------------------------------------------------
183
184function webapp_postupgrade_txt ()
185{
186 webapp_checkfileexists "${2}"
187
188 elog "(info) ${2} (lang: ${1})"
189 cp "${2}" "${D}/${MY_APPDIR}/postupgrade-${1}.txt"
190}
191
192# ------------------------------------------------------------------------
57# EXPORTED FUNCTION - FOR USE IN EBUILDS 193# EXPORTED FUNCTION - FOR USE IN EBUILDS
58# 194#
59# Identify a file which must be owned by the webserver's user:group 195# Identify a file which must be owned by the webserver's user:group
60# settings. 196# settings.
61# 197#
62# The ownership of the file is NOT set until the application is installed 198# The ownership of the file is NOT set until the application is installed
63# using the webapp-config tool. 199# using the webapp-config tool.
64# 200#
65# @param $1 - file to be owned by the webserver user:group combo 201# @param $1 - file to be owned by the webserver user:group combo
66# 202#
67# ------------------------------------------------------------------------ 203# ------------------------------------------------------------------------
68 204
69function webapp_serverowned () 205function webapp_serverowned ()
70{ 206{
207 local a=""
208 local m=""
209 if [ "${1}" = "-R" ]; then
210 shift
211 for m in "$@" ; do
212 for a in $(find ${D}/${m}); do
213 a=${a/${D}\/\///}
214 webapp_checkfileexists "${a}" "$D"
215 local MY_FILE="$(webapp_strip_appdir "${a}")"
216 MY_FILE="$(webapp_strip_cwd "${MY_FILE}")"
217
218 elog "(server owned) ${MY_FILE}"
219 echo "${MY_FILE}" >> "${D}/${WA_SOLIST}"
220 done
221 done
222 else
223 for m in "$@" ; do
71 webapp_checkfileexists $1 224 webapp_checkfileexists "${m}" "$D"
72 echo "$1" >> $WA_SOLIST 225 local MY_FILE="$(webapp_strip_appdir "${m}")"
73} 226 MY_FILE="$(webapp_strip_cwd "${MY_FILE}")"
74 227
75# ------------------------------------------------------------------------ 228 elog "(server owned) ${MY_FILE}"
76# EXPORTED FUNCTION - FOR USE IN EBUILDS 229 echo "${MY_FILE}" >> "${D}/${WA_SOLIST}"
77# 230 done
78# Identify a config file for a web-based application. 231 fi
79# 232}
80# @param $1 - config file
81# ------------------------------------------------------------------------
82 233
234# ------------------------------------------------------------------------
235# EXPORTED FUNCTION - FOR USE IN EBUILDS
236#
237# @param $1 - the webserver to install the config file for
238# (one of apache1, apache2, cherokee)
239# @param $2 - the config file to install
240# @param $3 - new name for the config file (default is `basename $2`)
241# this is an optional parameter
242#
243# NOTE:
244# this function will automagically prepend $1 to the front of your
245# config file's name
246# ------------------------------------------------------------------------
247
83function webapp_configfile () 248function webapp_server_configfile ()
84{ 249{
85 webapp_checkfileexists $1
86 echo "$1" >> $WA_CONFIGLIST
87}
88
89# ------------------------------------------------------------------------
90# EXPORTED FUNCTION - FOR USE IN EBUILDS
91#
92# Identify a script file (usually, but not always PHP or Perl) which is
93#
94# Files in this list may be modified to #! the required CGI engine when
95# installed by webapp-config tool in the future.
96#
97# @param $1 - the cgi engine to use
98# @param $2 - the script file that could run under a cgi-bin
99#
100# ------------------------------------------------------------------------
101
102function webapp_runbycgibin ()
103{
104 webapp_checkfileexists $2 250 webapp_checkfileexists "${2}"
105 echo "$1 $2" >> $WA_RUNBYCGIBINLIST 251
252 # sort out what the name will be of the config file
253
254 local my_file
255
256 if [ -z "${3}" ]; then
257 my_file="${1}-$(basename "${2}")"
258 else
259 my_file="${1}-${3}"
260 fi
261
262 # warning:
263 #
264 # do NOT change the naming convention used here without changing all
265 # the other scripts that also rely upon these names
266
267 elog "(${1}) config file '${my_file}'"
268 cp "${2}" "${D}/${MY_SERVERCONFIGDIR}/${my_file}"
269}
270
271# ------------------------------------------------------------------------
272# EXPORTED FUNCTION - FOR USE IN EBUILDS
273#
274# @param $1 - the db engine that the script is for
275# (one of: mysql|postgres)
276# @param $2 - the sql script to be installed
277# @param $3 - the older version of the app that this db script
278# will upgrade from
279# (do not pass this option if your SQL script only creates
280# a new db from scratch)
281# ------------------------------------------------------------------------
282
283function webapp_sqlscript ()
284{
285 webapp_checkfileexists "${2}"
286
287 # create the directory where this script will go
288 #
289 # scripts for specific database engines go into their own subdirectory
290 # just to keep things readable on the filesystem
291
292 if [ ! -d "${D}/${MY_SQLSCRIPTSDIR}/${1}" ]; then
293 mkdir -p "${D}/${MY_SQLSCRIPTSDIR}/${1}" || die "unable to create directory ${D}/${MY_SQLSCRIPTSDIR}/${1}"
294 fi
295
296 # warning:
297 #
298 # do NOT change the naming convention used here without changing all
299 # the other scripts that also rely upon these names
300
301 # are we dealing with an 'upgrade'-type script?
302 if [ -n "${3}" ]; then
303 # yes we are
304 elog "(${1}) upgrade script from ${PN}-${PVR} to ${3}"
305 cp "${2}" "${D}${MY_SQLSCRIPTSDIR}/${1}/${3}_to_${PVR}.sql"
306 chmod 600 "${D}${MY_SQLSCRIPTSDIR}/${1}/${3}_to_${PVR}.sql"
307 else
308 # no, we are not
309 elog "(${1}) create script for ${PN}-${PVR}"
310 cp "${2}" "${D}/${MY_SQLSCRIPTSDIR}/${1}/${PVR}_create.sql"
311 chmod 600 "${D}/${MY_SQLSCRIPTSDIR}/${1}/${PVR}_create.sql"
312 fi
106} 313}
107 314
108# ------------------------------------------------------------------------ 315# ------------------------------------------------------------------------
109# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER 316# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER
110# everything else has run 317# everything else has run
111# 318#
112# For now, we just make sure that root owns everything, and that there 319# For now, we just make sure that root owns everything, and that there
113# are no setuid files. I'm sure this will change significantly before 320# are no setuid files.
114# the final version!
115# ------------------------------------------------------------------------ 321# ------------------------------------------------------------------------
116 322
117function webapp_src_install () 323function webapp_src_install ()
118{ 324{
119 chown -R root:root ${D}/ 325 chown -R "${VHOST_DEFAULT_UID}:${VHOST_DEFAULT_GID}" "${D}/"
120 chmod -R u-s ${D}/ 326 chmod -R u-s "${D}/"
121 chmod -R g-s ${D}/ 327 chmod -R g-s "${D}/"
122}
123 328
329 keepdir "${MY_PERSISTDIR}"
330 fowners "root:0" "${MY_PERSISTDIR}"
331 fperms 755 "${MY_PERSISTDIR}"
332
333 # to test whether or not the ebuild has correctly called this function
334 # we add an empty file to the filesystem
335 #
336 # we used to just set a variable in the shell script, but we can
337 # no longer rely on Portage calling both webapp_src_install() and
338 # webapp_pkg_postinst() within the same shell process
339
340 touch "${D}/${MY_APPDIR}/${INSTALL_CHECK_FILE}"
341}
342
124# ------------------------------------------------------------------------ 343# ------------------------------------------------------------------------
125# EXPORTED FUNCTION - call from inside your ebuild's pkg_setup AFTER 344# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER
126# everything else has run 345# everything else has run
127# 346#
128# If 'vhosts' USE flag is not set, auto-install this app 347# If 'vhosts' USE flag is not set, auto-install this app
129# 348#
130# ------------------------------------------------------------------------ 349# ------------------------------------------------------------------------
131 350
132function webapp_pkg_setup () 351function webapp_pkg_setup ()
133{ 352{
134 use vhosts || webapp-config -u root -d /var/www/localhost/htdocs/${PN}/ ${PN} 353 # add sanity checks here
354
355 # special case - some ebuilds *do* need to overwride the SLOT
356 if [[ "${SLOT}+" != "${PVR}+" && "${WEBAPP_MANUAL_SLOT}" != "yes" ]]; then
357 die "Set WEBAPP_MANUAL_SLOT=\"yes\" if you need to SLOT manually"
358 fi
359
360 # pull in the shared configuration file
361
362 G_HOSTNAME="localhost"
363 webapp_read_config
364
365 # are we installing a webapp-config solution over the top of a
366 # non-webapp-config solution?
367
368 if ! use vhosts ; then
369 local my_dir="${ROOT}${VHOST_ROOT}/${MY_HTDOCSBASE}/${PN}"
370 local my_output
371
372 if [ -d "${my_dir}" ] ; then
373 my_output="$(webapp_check_installedat)"
374
375 if [ "$?" != "0" ]; then
376 # okay, whatever is there, it isn't webapp-config-compatible
377 ewarn "You already have something installed in ${my_dir}"
378 ewarn
379 ewarn "Whatever is in ${my_dir}, it's not"
380 ewarn "compatible with webapp-config."
381 ewarn
382 ewarn "This ebuild may be overwriting important files."
383 ewarn
384 elif [ "$(echo ${my_output} | awk '{ print $1 }')" != "${PN}" ]; then
385 eerror "${my_dir} contains ${my_output}"
386 eerror "I cannot upgrade that"
387 die "Cannot upgrade contents of ${my_dir}"
388 fi
389 fi
390 fi
391}
392
393function webapp_getinstalltype ()
394{
395 # or are we upgrading?
396
397 if ! use vhosts ; then
398 # we only run webapp-config if vhosts USE flag is not set
399
400 local my_output
401
402 my_output="$(webapp_check_installedat)"
403
404 if [ "${?}" = "0" ] ; then
405 # something is already installed there
406 #
407 # make sure it isn't the same version
408
409 local my_pn="$(echo ${my_output} | awk '{ print $1 }')"
410 local my_pvr="$(echo ${my_output} | awk '{ print $2 }')"
411
412 REMOVE_PKG="${my_pn}-${my_pvr}"
413
414 if [ "${my_pn}" == "${PN}" ]; then
415 if [ "${my_pvr}" != "${PVR}" ]; then
416 elog "This is an upgrade"
417 IS_UPGRADE=1
418 else
419 elog "This is a re-installation"
420 IS_REPLACE=1
421 fi
422 else
423 elog "${my_output} is installed there"
424 fi
425 else
426 elog "This is an installation"
427 fi
428 fi
429}
430
431function webapp_src_preinst ()
432{
433 # create the directories that we need
434
435 dodir "${MY_HTDOCSDIR}"
436 dodir "${MY_HOSTROOTDIR}"
437 dodir "${MY_CGIBINDIR}"
438 dodir "${MY_ICONSDIR}"
439 dodir "${MY_ERRORSDIR}"
440 dodir "${MY_SQLSCRIPTSDIR}"
441 dodir "${MY_HOOKSCRIPTSDIR}"
442 dodir "${MY_SERVERCONFIGDIR}"
443}
444
445function webapp_pkg_postinst ()
446{
447 webapp_read_config
448
449 # sanity checks, to catch bugs in the ebuild
450
451 if [ ! -f "${ROOT}${MY_APPDIR}/${INSTALL_CHECK_FILE}" ]; then
452 eerror
453 eerror "This ebuild did not call webapp_src_install() at the end"
454 eerror "of the src_install() function"
455 eerror
456 eerror "Please log a bug on http://bugs.gentoo.org"
457 eerror
458 eerror "You should use emerge -C to remove this package, as the"
459 eerror "installation is incomplete"
460 eerror
461 die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org"
462 fi
463
464 # if 'vhosts' is not set in your USE flags, we install a copy of
465 # this application in ${ROOT}/var/www/localhost/htdocs/${PN}/ for you
466
467 if ! use vhosts ; then
468 echo
469 elog "vhosts USE flag not set - auto-installing using webapp-config"
470
471 webapp_getinstalltype
472
473 G_HOSTNAME="localhost"
474 local my_mode=-I
475 webapp_read_config
476
477 if [ "${IS_REPLACE}" = "1" ]; then
478 elog "${PN}-${PVR} is already installed - replacing"
479 my_mode=-I
480 elif [ "${IS_UPGRADE}" = "1" ]; then
481 elog "${REMOVE_PKG} is already installed - upgrading"
482 my_mode=-U
483 else
484 elog "${PN}-${PVR} is not installed - using install mode"
485 fi
486
487 my_cmd="${WEBAPP_CONFIG} ${my_mode} -h localhost -u root -d ${INSTALL_DIR} ${PN} ${PVR}"
488 elog "Running ${my_cmd}"
489 ${my_cmd}
490
491 # remove the old version
492 #
493 # why do we do this? well ...
494 #
495 # normally, emerge -u installs a new version and then removes the
496 # old version. however, if the new version goes into a different
497 # slot to the old version, then the old version gets left behind
498 #
499 # if USE=-vhosts, then we want to remove the old version, because
500 # the user is relying on portage to do the magical thing for it
501
502 if [ "${IS_UPGRADE}" = "1" ] ; then
503 elog "Removing old version ${REMOVE_PKG}"
504
505 emerge -C "${REMOVE_PKG}"
506 fi
507 else
508 # vhosts flag is on
509 #
510 # let's tell the administrator what to do next
511
512 elog
513 elog "The 'vhosts' USE flag is switched ON"
514 elog "This means that Portage will not automatically run webapp-config to"
515 elog "complete the installation."
516 elog
517 elog "To install ${PN}-${PVR} into a virtual host, run the following command:"
518 elog
519 elog " webapp-config -I -h <host> -d ${PN} ${PN} ${PVR}"
520 elog
521 elog "For more details, see the webapp-config(8) man page"
522 fi
523
524 return 0
525}
526
527function webapp_pkg_prerm ()
528{
529 # remove any virtual installs that there are
530
531 local my_output
532 local x
533
534 my_output="$(${WEBAPP_CONFIG} --list-installs ${PN} ${PVR})"
535
536 if [ "${?}" != "0" ]; then
537 return
538 fi
539
540 for x in ${my_output} ; do
541 [ -f ${x}/.webapp ] && . ${x}/.webapp || ewarn "Cannot find file ${x}/.webapp"
542
543 if [ -z "${WEB_HOSTNAME}" -o -z "${WEB_INSTALLDIR}" ]; then
544 ewarn "Don't forget to use webapp-config to remove the copy of"
545 ewarn "${PN}-${PVR} installed in"
546 ewarn
547 ewarn " ${x}"
548 ewarn
549 else
550 # we have enough information to remove the virtual copy ourself
551
552 ${WEBAPP_CONFIG} -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR}
553
554 # if the removal fails - we carry on anyway!
555 fi
556 done
557}

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