202 lines
7.7 KiB
Python
202 lines
7.7 KiB
Python
import os
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import textwrap
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from django.template import Template, Context
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from django.utils.translation import ugettext_lazy as _
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from orchestra.contrib.orchestration import ServiceController, replace
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from . import WebAppServiceMixin
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from .. import settings
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class PHPBackend(WebAppServiceMixin, ServiceController):
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verbose_name = _("PHP FPM/FCGID")
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default_route_match = "webapp.type.endswith('php')"
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MERGE = settings.WEBAPPS_MERGE_PHP_WEBAPPS
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def save(self, webapp):
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context = self.get_context(webapp)
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if webapp.type_instance.is_fpm:
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self.save_fpm(webapp, context)
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self.delete_fcgid(webapp, context)
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elif webapp.type_instance.is_fcgid:
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self.save_fcgid(webapp, context)
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self.delete_fpm(webapp, context)
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def save_fpm(self, webapp, context):
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self.create_webapp_dir(context)
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self.set_under_construction(context)
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self.append(textwrap.dedent("""\
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fpm_config='%(fpm_config)s'
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{
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echo -e "${fpm_config}" | diff -N -I'^\s*;;' %(fpm_path)s -
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} || {
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echo -e "${fpm_config}" > %(fpm_path)s
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UPDATEDFPM=1
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}
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""") % context
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)
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def save_fcgid(self, webapp, context):
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self.create_webapp_dir(context)
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self.set_under_construction(context)
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self.append("mkdir -p %(wrapper_dir)s" % context)
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self.append(textwrap.dedent("""\
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wrapper='%(wrapper)s'
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{
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echo -e "${wrapper}" | diff -N -I'^\s*#' %(wrapper_path)s -
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} || {
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echo -e "${wrapper}" > %(wrapper_path)s
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[[ ${UPDATED_APACHE} -eq 0 ]] && UPDATED_APACHE=%(is_mounted)i
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}
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""") % context
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)
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self.append("chmod 550 %(wrapper_dir)s" % context)
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self.append("chmod 550 %(wrapper_path)s" % context)
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self.append("chown -R %(user)s:%(group)s %(wrapper_dir)s" % context)
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if context['cmd_options']:
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self.append(textwrap.dedent("""
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cmd_options='%(cmd_options)s'
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{
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echo -e "${cmd_options}" | diff -N -I'^\s*#' %(cmd_options_path)s -
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} || {
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echo -e "${cmd_options}" > %(cmd_options_path)s
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[[ ${UPDATED_APACHE} -eq 0 ]] && UPDATED_APACHE=%(is_mounted)i
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}
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""" ) % context
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)
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else:
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self.append("rm -f %(cmd_options_path)s" % context)
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def delete(self, webapp):
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context = self.get_context(webapp)
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if webapp.type_instance.is_fpm:
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self.delete_fpm(webapp, context)
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elif webapp.type_instance.is_fcgid:
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self.delete_fcgid(webapp, context)
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self.delete_webapp_dir(context)
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def delete_fpm(self, webapp, context):
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self.append("rm -f %(fpm_path)s" % context)
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def delete_fcgid(self, webapp, context):
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self.append("rm -f %(wrapper_path)s" % context)
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self.append("rm -f %(cmd_options_path)s" % context)
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def commit(self):
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if self.content:
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self.append(textwrap.dedent("""
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if [[ $UPDATEDFPM == 1 ]]; then
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service php5-fpm reload
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service php5-fpm start
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fi
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""")
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)
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self.append(textwrap.dedent("""\
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if [[ $UPDATED_APACHE == 1 ]]; then
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service apache2 reload
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fi
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""")
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)
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def get_fpm_config(self, webapp, context):
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merge = settings.WEBAPPS_MERGE_PHP_WEBAPPS
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context.update({
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'init_vars': webapp.type_instance.get_php_init_vars(merge=self.MERGE),
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'max_children': webapp.get_options().get('processes', False),
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'request_terminate_timeout': webapp.get_options().get('timeout', False),
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})
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context['fpm_listen'] = webapp.type_instance.FPM_LISTEN % context
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fpm_config = Template(textwrap.dedent("""\
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;; {{ banner }}
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[{{ user }}]
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user = {{ user }}
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group = {{ group }}
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listen = {{ fpm_listen | safe }}
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listen.owner = {{ user }}
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listen.group = {{ group }}
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pm = ondemand
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pm.max_requests = {{ max_requests }}
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{% if max_children %}pm.max_children = {{ max_children }}{% endif %}
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{% if request_terminate_timeout %}request_terminate_timeout = {{ request_terminate_timeout }}{% endif %}
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{% for name, value in init_vars.iteritems %}
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php_admin_value[{{ name | safe }}] = {{ value | safe }}{% endfor %}
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"""
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))
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return fpm_config.render(Context(context))
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def get_fcgid_wrapper(self, webapp, context):
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opt = webapp.type_instance
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# Format PHP init vars
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init_vars = opt.get_php_init_vars(merge=self.MERGE)
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if init_vars:
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init_vars = [ "-d %s='%s'" % (k, v.replace("'", '"')) for k,v in init_vars.items() ]
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init_vars = ', '.join(init_vars)
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context.update({
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'php_binary': os.path.normpath(settings.WEBAPPS_PHP_CGI_BINARY_PATH % context),
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'php_rc': os.path.normpath(settings.WEBAPPS_PHP_CGI_RC_DIR % context),
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'php_ini_scan': os.path.normpath(settings.WEBAPPS_PHP_CGI_INI_SCAN_DIR % context),
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'php_init_vars': init_vars,
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})
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return textwrap.dedent("""\
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#!/bin/sh
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# %(banner)s
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export PHPRC=%(php_rc)s
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export PHP_INI_SCAN_DIR=%(php_ini_scan)s
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export PHP_FCGI_MAX_REQUESTS=%(max_requests)s
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exec %(php_binary)s %(php_init_vars)s""") % context
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def get_fcgid_cmd_options(self, webapp, context):
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maps = {
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'MaxProcesses': webapp.get_options().get('processes', None),
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'IOTimeout': webapp.get_options().get('timeout', None),
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}
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cmd_options = []
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for directive, value in maps.items():
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if value:
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cmd_options.append(
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"%s %s" % (directive, value.replace("'", '"'))
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)
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if cmd_options:
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head = (
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'# %(banner)s\n'
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'FcgidCmdOptions %(wrapper_path)s'
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) % context
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cmd_options.insert(0, head)
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return ' \\\n '.join(cmd_options)
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def update_fcgid_context(self, webapp, context):
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wrapper_path = webapp.type_instance.FCGID_WRAPPER_PATH % context
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context.update({
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'wrapper': self.get_fcgid_wrapper(webapp, context),
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'wrapper_path': wrapper_path,
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'wrapper_dir': os.path.dirname(wrapper_path),
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})
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replace(context, "'", '"')
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context.update({
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'cmd_options': self.get_fcgid_cmd_options(webapp, context),
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'cmd_options_path': settings.WEBAPPS_FCGID_CMD_OPTIONS_PATH % context,
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})
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def update_fpm_context(self, webapp, context):
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context.update({
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'fpm_config': self.get_fpm_config(webapp, context),
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'fpm_path': settings.WEBAPPS_PHPFPM_POOL_PATH % context,
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})
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return context
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def get_context(self, webapp):
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context = super(PHPBackend, self).get_context(webapp)
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context.update({
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'php_version': webapp.type_instance.get_php_version(),
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'php_version_number': webapp.type_instance.get_php_version_number(),
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'max_requests': settings.WEBAPPS_PHP_MAX_REQUESTS,
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})
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self.update_fpm_context(webapp, context)
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# Fcgid context do contain special charactes
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replace(context, "'", '"')
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self.update_fcgid_context(webapp, context)
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return context
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