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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 1.51 2008/02/22 13:44:41 hollow Exp $
4# 4#
5# eclass/webapp.eclass 5# @ECLASS: webapp.eclass
6# @MAINTAINER:
7# web-apps@gentoo.org
6# Eclass for installing applications to run under a web server 8# @BLURB: functions for installing applications to run under a web server
7# 9# @DESCRIPTION:
10# The webapp eclass contains functions to handle web applications with
8# Part of the implementation of GLEP #11 11# webapp-config. Part of the implementation of GLEP #11
9#
10# Author(s) Stuart Herbert <stuart@gentoo.org>
11#
12# ------------------------------------------------------------------------
13#
14# Please do not make modifications to this file without checking with a
15# member of the web-apps herd first!
16#
17# ------------------------------------------------------------------------
18#
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 12
24ECLASS=webapp
25INHERITED="$INHERITED $ECLASS"
26#DEPEND="${DEPEND} net-www/apache"
27SLOT="${PVR}" 13SLOT="${PVR}"
28IUSE="$IUSE vhosts" 14IUSE="vhosts"
15DEPEND=">=app-admin/webapp-config-1.50.15"
16RDEPEND="${DEPEND}"
29 17
30if [ -f /usr/share/webapp-config/settings.sh ] ; then 18EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm
31 . /usr/share/webapp-config/settings.sh 19
20INSTALL_DIR="/${PN}"
21IS_UPGRADE=0
22IS_REPLACE=0
23
24INSTALL_CHECK_FILE="installed_by_webapp_eclass"
25
26ETC_CONFIG="${ROOT}etc/vhosts/webapp-config"
27WEBAPP_CONFIG="${ROOT}usr/sbin/webapp-config"
28WEBAPP_CLEANER="${ROOT}usr/sbin/webapp-cleaner"
29
30# ==============================================================================
31# INTERNAL FUNCTIONS
32# ==============================================================================
33
34# Load the config file /etc/vhosts/webapp-config
35# Supports both the old bash version, and the new python version
36webapp_read_config() {
37 debug-print-function $FUNCNAME $*
38
39 if has_version '>=app-admin/webapp-config-1.50'; then
40 ENVVAR=$(${WEBAPP_CONFIG} --query ${PN} ${PVR}) || die "Could not read settings from webapp-config!"
41 eval ${ENVVAR}
42 else
43 . ${ETC_CONFIG} || die "Unable to read ${ETC_CONFIG}"
32fi 44 fi
45}
33 46
34EXPORT_FUNCTIONS pkg_setup src_install
35
36# ------------------------------------------------------------------------
37# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
38#
39# Check whether a specified file exists within the image/ directory 47# Check whether a specified file exists in the given directory (`.' by default)
40# or not.
41#
42# @param $1 - file to look for
43# @return 0 on success, never returns on an error
44# ------------------------------------------------------------------------
45
46function webapp_checkfileexists () 48webapp_checkfileexists() {
47{ 49 debug-print-function $FUNCNAME $*
50
51 local my_prefix
52
53 [ -n "${2}" ] && my_prefix="${2}/" || my_prefix=
54
48 if [ ! -e ${D}/$1 ]; then 55 if [ ! -e "${my_prefix}${1}" ]; then
49 msg="ebuild fault: file $1 not found in ${D}" 56 msg="ebuild fault: file '${1}' not found"
50 eerror "$msg" 57 eerror "$msg"
51 eerror "Please report this as a bug at http://bugs.gentoo.org/" 58 eerror "Please report this as a bug at http://bugs.gentoo.org/"
52 die "$msg" 59 die "$msg"
53 fi 60 fi
54} 61}
55 62
56# ------------------------------------------------------------------------ 63webapp_check_installedat() {
57# EXPORTED FUNCTION - FOR USE IN EBUILDS 64 debug-print-function $FUNCNAME $*
65 ${WEBAPP_CONFIG} --show-installed -h localhost -d "${INSTALL_DIR}" 2> /dev/null
66}
67
68webapp_strip_appdir() {
69 debug-print-function $FUNCNAME $*
70 echo "${1}" | sed -e "s|${MY_APPDIR}/||g;"
71}
72
73webapp_strip_d() {
74 debug-print-function $FUNCNAME $*
75 echo "${1}" | sed -e "s|${D}||g;"
76}
77
78webapp_strip_cwd() {
79 debug-print-function $FUNCNAME $*
80 echo "${1}" | sed -e 's|/./|/|g;'
81}
82
83webapp_getinstalltype() {
84 debug-print-function $FUNCNAME $*
85
86 if ! use vhosts ; then
87 local my_output
88
89 my_output="$(webapp_check_installedat)"
90
91 if [ "${?}" = "0" ] ; then
92 # something is already installed there
93 # make sure it isn't the same version
94
95 local my_pn="$(echo ${my_output} | awk '{ print $1 }')"
96 local my_pvr="$(echo ${my_output} | awk '{ print $2 }')"
97
98 REMOVE_PKG="${my_pn}-${my_pvr}"
99
100 if [ "${my_pn}" == "${PN}" ]; then
101 if [ "${my_pvr}" != "${PVR}" ]; then
102 elog "This is an upgrade"
103 IS_UPGRADE=1
104 else
105 elog "This is a re-installation"
106 IS_REPLACE=1
107 fi
108 else
109 elog "${my_output} is installed there"
110 fi
111 else
112 elog "This is an installation"
113 fi
114 fi
115}
116
117# ==============================================================================
118# PUBLIC FUNCTIONS
119# ==============================================================================
120
121# @FUNCTION: webapp_configfile
122# @USAGE: <file> [more files ...]
123# @DESCRIPTION:
124# Mark a file config-protected for a web-based application.
125webapp_configfile() {
126 debug-print-function $FUNCNAME $*
127
128 local m=""
129 for m in "$@" ; 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# @FUNCTION: webapp_hook_script
141# @USAGE: <file>
142# @DESCRIPTION:
143# Install a script that will run after a virtual copy is created, and
144# before a virtual copy has been removed.
145webapp_hook_script() {
146 debug-print-function $FUNCNAME $*
147
148 webapp_checkfileexists "${1}"
149
150 elog "(hook) ${1}"
151 cp "${1}" "${D}/${MY_HOOKSCRIPTSDIR}/$(basename "${1}")" || die "Unable to install ${1} into ${D}/${MY_HOOKSCRIPTSDIR}/"
152 chmod 555 "${D}/${MY_HOOKSCRIPTSDIR}/$(basename "${1}")"
153}
154
155# @FUNCTION: webapp_postinst_txt
156# @USAGE: <lang> <file>
157# @DESCRIPTION:
158# Install a text file containing post-installation instructions.
159webapp_postinst_txt() {
160 debug-print-function $FUNCNAME $*
161
162 webapp_checkfileexists "${2}"
163
164 elog "(info) ${2} (lang: ${1})"
165 cp "${2}" "${D}/${MY_APPDIR}/postinst-${1}.txt"
166}
167
168# @FUNCTION: webapp_postupgrade_txt
169# @USAGE: <lang> <file>
170# @DESCRIPTION:
171# Install a text file containing post-upgrade instructions.
172webapp_postupgrade_txt() {
173 debug-print-function $FUNCNAME $*
174
175 webapp_checkfileexists "${2}"
176
177 elog "(info) ${2} (lang: ${1})"
178 cp "${2}" "${D}/${MY_APPDIR}/postupgrade-${1}.txt"
179}
180
181# @FUNCTION: webapp_serverowned
182# @USAGE: [-R] <file> [more files ...]
183# @DESCRIPTION:
184# Identify a file which must be owned by the webserver's user:group settings.
185# The ownership of the file is NOT set until the application is installed using
186# the webapp-config tool. If -R is given directories are handled recursively.
187webapp_serverowned() {
188 debug-print-function $FUNCNAME $*
189
190 local a=""
191 local m=""
192 if [ "${1}" = "-R" ]; then
193 shift
194 for m in "$@" ; do
195 for a in $(find ${D}/${m}); do
196 a=${a/${D}\/\///}
197 webapp_checkfileexists "${a}" "$D"
198 local MY_FILE="$(webapp_strip_appdir "${a}")"
199 MY_FILE="$(webapp_strip_cwd "${MY_FILE}")"
200
201 elog "(server owned) ${MY_FILE}"
202 echo "${MY_FILE}" >> "${D}/${WA_SOLIST}"
203 done
204 done
205 else
206 for m in "$@" ; do
207 webapp_checkfileexists "${m}" "$D"
208 local MY_FILE="$(webapp_strip_appdir "${m}")"
209 MY_FILE="$(webapp_strip_cwd "${MY_FILE}")"
210
211 elog "(server owned) ${MY_FILE}"
212 echo "${MY_FILE}" >> "${D}/${WA_SOLIST}"
213 done
214 fi
215}
216
217# @FUNCTION: webapp_server_configfile
218# @USAGE: <server> <file> [new name]
219# @DESCRIPTION:
220# Install a configuration file for the webserver. You need to specify a
221# webapp-config supported <server>. if no new name is given `basename $2' is
222# used by default. Note: this function will automagically prepend $1 to the
223# front of your config file's name.
224webapp_server_configfile() {
225 debug-print-function $FUNCNAME $*
226
227 webapp_checkfileexists "${2}"
228
229 # WARNING:
230 #
231 # do NOT change the naming convention used here without changing all
232 # the other scripts that also rely upon these names
233
234 local my_file
235 if [ -z "${3}" ]; then
236 my_file="${1}-$(basename "${2}")"
237 else
238 my_file="${1}-${3}"
239 fi
240
241 elog "(${1}) config file '${my_file}'"
242 cp "${2}" "${D}/${MY_SERVERCONFIGDIR}/${my_file}"
243}
244
245# @FUNCTION: webapp_sqlscript
246# @USAGE: <db> <file> [version]
247# @DESCRIPTION:
248# Install a SQL script that creates/upgrades a database schema for the web
249# application. Currently supported database engines are mysql and postgres.
250# If a version is given the script should upgrade the database schema from
251# the given version to $PVR.
252webapp_sqlscript() {
253 debug-print-function $FUNCNAME $*
254
255 webapp_checkfileexists "${2}"
256
257 if [ ! -d "${D}/${MY_SQLSCRIPTSDIR}/${1}" ]; then
258 mkdir -p "${D}/${MY_SQLSCRIPTSDIR}/${1}" || die "unable to create directory ${D}/${MY_SQLSCRIPTSDIR}/${1}"
259 fi
260
261 # WARNING:
262 #
263 # do NOT change the naming convention used here without changing all
264 # the other scripts that also rely upon these names
265
266 if [ -n "${3}" ]; then
267 elog "(${1}) upgrade script from ${PN}-${PVR} to ${3}"
268 cp "${2}" "${D}${MY_SQLSCRIPTSDIR}/${1}/${3}_to_${PVR}.sql"
269 chmod 600 "${D}${MY_SQLSCRIPTSDIR}/${1}/${3}_to_${PVR}.sql"
270 else
271 elog "(${1}) create script for ${PN}-${PVR}"
272 cp "${2}" "${D}/${MY_SQLSCRIPTSDIR}/${1}/${PVR}_create.sql"
273 chmod 600 "${D}/${MY_SQLSCRIPTSDIR}/${1}/${PVR}_create.sql"
274 fi
275}
276
277# @FUNCTION: webapp_src_preinst
278# @DESCRIPTION:
279# You need to call this function in src_install() BEFORE anything else has run.
280# For now we just create required webapp-config directories.
281webapp_src_preinst() {
282 debug-print-function $FUNCNAME $*
283
284 dodir "${MY_HTDOCSDIR}"
285 dodir "${MY_HOSTROOTDIR}"
286 dodir "${MY_CGIBINDIR}"
287 dodir "${MY_ICONSDIR}"
288 dodir "${MY_ERRORSDIR}"
289 dodir "${MY_SQLSCRIPTSDIR}"
290 dodir "${MY_HOOKSCRIPTSDIR}"
291 dodir "${MY_SERVERCONFIGDIR}"
292}
293
294# ==============================================================================
295# EXPORTED FUNCTIONS
296# ==============================================================================
297
298# @FUNCTION: webapp_src_install
299# @DESCRIPTION:
300# This is the default src_install(). For now, we just make sure that root owns
301# everything, and that there are no setuid files.
58# 302#
59# Identify a file which must be owned by the webserver's user:group 303# You need to call this function AFTER everything else has run in your custom
60# settings. 304# src_install().
305webapp_src_install() {
306 debug-print-function $FUNCNAME $*
307
308 chown -R "${VHOST_DEFAULT_UID}:${VHOST_DEFAULT_GID}" "${D}/"
309 chmod -R u-s "${D}/"
310 chmod -R g-s "${D}/"
311
312 keepdir "${MY_PERSISTDIR}"
313 fowners "root:0" "${MY_PERSISTDIR}"
314 fperms 755 "${MY_PERSISTDIR}"
315
316 # to test whether or not the ebuild has correctly called this function
317 # we add an empty file to the filesystem
318 #
319 # we used to just set a variable in the shell script, but we can
320 # no longer rely on Portage calling both webapp_src_install() and
321 # webapp_pkg_postinst() within the same shell process
322
323 touch "${D}/${MY_APPDIR}/${INSTALL_CHECK_FILE}"
324}
325
326# @FUNCTION: webapp_pkg_setup
327# @DESCRIPTION:
328# The default pkg_setup() for this eclass. This will gather required variables
329# from webapp-config and check if there is an application installed to
330# `${ROOT}/var/www/localhost/htdocs/${PN}/' if USE=vhosts is not set.
61# 331#
62# The ownership of the file is NOT set until the application is installed 332# You need to call this function BEFORE anything else has run in your custom
63# using the webapp-config tool. 333# pkg_setup().
64# 334webapp_pkg_setup() {
65# @param $1 - file to be owned by the webserver user:group combo 335 debug-print-function $FUNCNAME $*
336
337 # special case - some ebuilds *do* need to overwride the SLOT
338 if [[ "${SLOT}+" != "${PVR}+" && "${WEBAPP_MANUAL_SLOT}" != "yes" ]]; then
339 die "Set WEBAPP_MANUAL_SLOT=\"yes\" if you need to SLOT manually"
340 fi
341
342 # pull in the shared configuration file
343 G_HOSTNAME="localhost"
344 webapp_read_config
345
346 # are we installing a webapp-config solution over the top of a
347 # non-webapp-config solution?
348 if ! use vhosts ; then
349 local my_dir="${ROOT}${VHOST_ROOT}/${MY_HTDOCSBASE}/${PN}"
350 local my_output
351
352 if [ -d "${my_dir}" ] ; then
353 my_output="$(webapp_check_installedat)"
354
355 if [ "$?" != "0" ]; then
356 # okay, whatever is there, it isn't webapp-config-compatible
357 ewarn "You already have something installed in ${my_dir}"
358 ewarn
359 ewarn "Whatever is in ${my_dir}, it's not"
360 ewarn "compatible with webapp-config."
361 ewarn
362 ewarn "This ebuild may be overwriting important files."
363 ewarn
364 elif [ "$(echo ${my_output} | awk '{ print $1 }')" != "${PN}" ]; then
365 eerror "${my_dir} contains ${my_output}"
366 eerror "I cannot upgrade that"
367 die "Cannot upgrade contents of ${my_dir}"
368 fi
369 fi
370 fi
371}
372
373# @FUNCTION: webapp_pkg_postinst
374# @DESCRIPTION:
375# The default pkg_postinst() for this eclass. This installs the web application to
376# `${ROOT}/var/www/localhost/htdocs/${PN}/' if USE=vhosts is not set. Otherwise
377# display a short notice how to install this application with webapp-config.
66# 378#
67# ------------------------------------------------------------------------ 379# You need to call this function AFTER everything else has run in your custom
380# pkg_postinst().
381webapp_pkg_postinst() {
382 debug-print-function $FUNCNAME $*
68 383
69function webapp_serverowned () 384 webapp_read_config
70{
71 webapp_checkfileexists $1
72 echo "$1" >> $WA_SOLIST
73}
74 385
75# ------------------------------------------------------------------------ 386 # sanity checks, to catch bugs in the ebuild
76# EXPORTED FUNCTION - FOR USE IN EBUILDS 387 if [ ! -f "${ROOT}${MY_APPDIR}/${INSTALL_CHECK_FILE}" ]; then
77# 388 eerror
78# Identify a config file for a web-based application. 389 eerror "This ebuild did not call webapp_src_install() at the end"
79# 390 eerror "of the src_install() function"
80# @param $1 - config file 391 eerror
81# ------------------------------------------------------------------------ 392 eerror "Please log a bug on http://bugs.gentoo.org"
393 eerror
394 eerror "You should use emerge -C to remove this package, as the"
395 eerror "installation is incomplete"
396 eerror
397 die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org"
398 fi
82 399
83function webapp_configfile () 400 if ! use vhosts ; then
84{ 401 echo
85 webapp_checkfileexists $1 402 elog "vhosts USE flag not set - auto-installing using webapp-config"
86 echo "$1" >> $WA_CONFIGLIST
87}
88 403
89# ------------------------------------------------------------------------ 404 webapp_getinstalltype
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# ------------------------------------------------------------------------
101 405
102function webapp_runbycgibin () 406 G_HOSTNAME="localhost"
103{ 407 local my_mode=-I
104 webapp_checkfileexists $2 408 webapp_read_config
105 echo "$1 $2" >> $WA_RUNBYCGIBINLIST
106}
107 409
108# ------------------------------------------------------------------------ 410 if [ "${IS_REPLACE}" = "1" ]; then
109# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER 411 elog "${PN}-${PVR} is already installed - replacing"
110# everything else has run 412 my_mode=-I
111# 413 elif [ "${IS_UPGRADE}" = "1" ]; then
112# For now, we just make sure that root owns everything, and that there 414 elog "${REMOVE_PKG} is already installed - upgrading"
113# are no setuid files. I'm sure this will change significantly before 415 my_mode=-U
114# the final version! 416 else
115# ------------------------------------------------------------------------ 417 elog "${PN}-${PVR} is not installed - using install mode"
418 fi
116 419
117function webapp_src_install () 420 my_cmd="${WEBAPP_CONFIG} ${my_mode} -h localhost -u root -d ${INSTALL_DIR} ${PN} ${PVR}"
118{ 421 elog "Running ${my_cmd}"
119 chown -R root:root ${D}/ 422 ${my_cmd}
120 chmod -R u-s ${D}/
121 chmod -R g-s ${D}/
122}
123 423
124# ------------------------------------------------------------------------ 424 echo
125# EXPORTED FUNCTION - call from inside your ebuild's pkg_setup AFTER 425 local cleaner="${WEBAPP_CLEANER} -p -C ${PN}"
126# everything else has run 426 einfo "Running ${cleaner}"
127# 427 ${cleaner}
128# If 'vhosts' USE flag is not set, auto-install this app 428 else
129# 429 elog
130# ------------------------------------------------------------------------ 430 elog "The 'vhosts' USE flag is switched ON"
431 elog "This means that Portage will not automatically run webapp-config to"
432 elog "complete the installation."
433 elog
434 elog "To install ${PN}-${PVR} into a virtual host, run the following command:"
435 elog
436 elog " webapp-config -I -h <host> -d ${PN} ${PN} ${PVR}"
437 elog
438 elog "For more details, see the webapp-config(8) man page"
439 fi
131 440
132function webapp_pkg_setup () 441 return 0
133{ 442}
134 use vhosts || webapp-config -u root -d /var/www/localhost/htdocs/${PN}/ ${PN} 443
444# @FUNCTION: webapp_pkg_prerm
445# @DESCRIPTION:
446# This is the default pkg_prerm() for this eclass. If USE=vhosts is not set
447# remove all installed copies of this web application. Otherwise instruct the
448# user to manually remove those copies. See bug #136959.
449webapp_pkg_prerm() {
450 debug-print-function $FUNCNAME $*
451
452 local my_output
453 local x
454
455 my_output="$(${WEBAPP_CONFIG} --list-installs ${PN} ${PVR})"
456
457 if [ "${?}" != "0" ]; then
458 return
459 fi
460
461 if ! use vhosts ; then
462
463 for x in ${my_output} ; do
464 [ -f ${x}/.webapp ] && . ${x}/.webapp || ewarn "Cannot find file ${x}/.webapp"
465 if [ "${WEB_HOSTNAME}" -a "${WEB_INSTALLDIR}" ]; then
466 ${WEBAPP_CONFIG} -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR}
467 fi
468 done
469 else
470
471 ewarn "Don't forget to use webapp-config to remove any copies of"
472 ewarn "${PN}-${PVR} installed in"
473 ewarn
474
475 for x in ${my_output} ; do
476 [ -f ${x}/.webapp ] && . ${x}/.webapp || ewarn "Cannot find file ${x}/.webapp"
477 ewarn " ${x}"
478 done
479 fi
480}

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