504 lines
20 KiB
Python
504 lines
20 KiB
Python
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import os
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import re
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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 gettext_lazy as _
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from orchestra.contrib.orchestration import ServiceController
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from orchestra.contrib.resources import ServiceMonitor
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from .. import settings
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from ..utils import normurlpath
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class Apache2Controller(ServiceController):
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"""
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Apache ≥2.4 backend with support for the following directives:
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<tt>static</tt>, <tt>location</tt>, <tt>fpm</tt>, <tt>fcgid</tt>, <tt>uwsgi</tt>, \
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<tt>ssl</tt>, <tt>security</tt>, <tt>redirects</tt>, <tt>proxies</tt>, <tt>saas</tt>
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"""
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HTTP_PORT = 80
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HTTPS_PORT = 443
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model = 'websites.Website'
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related_models = (
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('websites.Content', 'website'),
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('websites.WebsiteDirective', 'website'),
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('webapps.WebApp', 'website_set'),
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)
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verbose_name = _("Apache 2")
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doc_settings = (settings, (
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'WEBSITES_VHOST_EXTRA_DIRECTIVES',
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'WEBSITES_DEFAULT_SSL_CERT',
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'WEBSITES_DEFAULT_SSL_KEY',
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'WEBSITES_DEFAULT_SSL_CA',
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'WEBSITES_BASE_APACHE_CONF',
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'WEBSITES_DEFAULT_IPS',
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'WEBSITES_SAAS_DIRECTIVES',
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))
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def get_extra_conf(self, site, context, ssl=False):
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extra_conf = self.get_content_directives(site, context)
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directives = site.get_directives()
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if ssl:
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extra_conf += self.get_ssl(directives)
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extra_conf += self.get_security(directives)
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extra_conf += self.get_redirects(directives)
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extra_conf += self.get_proxies(directives)
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extra_conf += self.get_saas(directives)
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settings_context = site.get_settings_context()
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for location, directive in settings.WEBSITES_VHOST_EXTRA_DIRECTIVES:
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extra_conf.append((location, directive % settings_context))
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# Order extra conf directives based on directives (longer first)
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extra_conf = sorted(extra_conf, key=lambda a: len(a[0]), reverse=True)
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return '\n'.join([conf for location, conf in extra_conf])
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def render_virtual_host(self, site, context, ssl=False):
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context.update({
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'port': self.HTTPS_PORT if ssl else self.HTTP_PORT,
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'vhost_set_fcgid': False,
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'server_alias_lines': ' \\\n '.join(context['server_alias']),
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'suexec_needed': site.target_server == 'web.pangea.lan'
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})
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context['extra_conf'] = self.get_extra_conf(site, context, ssl)
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return Template(textwrap.dedent("""\
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<VirtualHost{% for ip in ips %} {{ ip }}:{{ port }}{% endfor %}>
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IncludeOptional /etc/apache2/site[s]-override/{{ site_unique_name }}.con[f]
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ServerName {{ server_name }}\
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{% if server_alias %}
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ServerAlias {{ server_alias_lines }}{% endif %}\
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{% if access_log %}
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CustomLog {{ access_log }} common{% endif %}\
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{% if error_log %}
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ErrorLog {{ error_log }}{% endif %}
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{% if suexec_needed %}
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SuexecUserGroup {{ user }} {{ group }}{% endif %}\
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{% for line in extra_conf.splitlines %}
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{{ line | safe }}{% endfor %}
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</VirtualHost>
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""")
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).render(Context(context))
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def render_redirect_https(self, context):
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context['port'] = self.HTTP_PORT
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return Template(textwrap.dedent("""
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<VirtualHost{% for ip in ips %} {{ ip }}:{{ port }}{% endfor %}>
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ServerName {{ server_name }}\
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{% if server_alias %}
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ServerAlias {{ server_alias|join:' ' }}{% endif %}\
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{% if access_log %}
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CustomLog {{ access_log }} common{% endif %}\
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{% if error_log %}
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ErrorLog {{ error_log }}{% endif %}
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RewriteEngine On
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RewriteCond %{HTTPS} off
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RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
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</VirtualHost>
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""")
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).render(Context(context))
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def save(self, site):
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context = self.get_context(site)
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if context['server_name']:
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apache_conf = '# %(banner)s\n' % context
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if site.protocol in (site.HTTP, site.HTTP_AND_HTTPS):
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apache_conf += self.render_virtual_host(site, context, ssl=False)
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if site.protocol in (site.HTTP_AND_HTTPS, site.HTTPS_ONLY, site.HTTPS):
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apache_conf += self.render_virtual_host(site, context, ssl=True)
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if site.protocol == site.HTTPS_ONLY:
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apache_conf += self.render_redirect_https(context)
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context['apache_conf'] = apache_conf.strip()
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self.append(textwrap.dedent("""
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# Generate Apache config for site %(site_name)s
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read -r -d '' apache_conf << 'EOF' || true
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%(apache_conf)s
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EOF
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{
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echo -e "${apache_conf}" | diff -N -I'^\s*#' %(sites_available)s -
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} || {
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echo -e "${apache_conf}" > %(sites_available)s
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UPDATED_APACHE=1
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}""") % context
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)
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if context['server_name'] and site.active:
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self.append(textwrap.dedent("""
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# Enable site %(site_name)s
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[[ $(a2ensite %(site_unique_name)s) =~ "already enabled" ]] || UPDATED_APACHE=1\
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""") % context
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)
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else:
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self.append(textwrap.dedent("""
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# Disable site %(site_name)s
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[[ $(a2dissite %(site_unique_name)s) =~ "already disabled" ]] || UPDATED_APACHE=1\
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""") % context
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)
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def delete(self, site):
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context = self.get_context(site)
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self.append(textwrap.dedent("""
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# Remove site configuration for %(site_name)s
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[[ $(a2dissite %(site_unique_name)s) =~ "already disabled" ]] || UPDATED_APACHE=1
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rm -f %(sites_available)s\
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""") % context
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)
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def prepare(self):
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super(Apache2Controller, self).prepare()
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# Coordinate apache restart with php backend in order not to overdo it
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self.append(textwrap.dedent("""
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BACKEND="Apache2Controller"
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echo "$BACKEND" >> /dev/shm/reload.apache2
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function coordinate_apache_reload () {
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# Coordinate Apache reload with other concurrent backends (e.g. PHPController)
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is_last=0
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counter=0
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while ! mv /dev/shm/reload.apache2 /dev/shm/reload.apache2.locked; do
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if [[ $counter -gt 4 ]]; then
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echo "[ERROR]: Apache reload synchronization deadlocked!" >&2
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exit 10
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fi
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counter=$(($counter+1))
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sleep 0.1;
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done
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state="$(grep -v -E "^$BACKEND($|\s)" /dev/shm/reload.apache2.locked)" || is_last=1
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[[ $is_last -eq 0 ]] && {
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echo "$state" | grep -v ' RELOAD$' || is_last=1
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}
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if [[ $is_last -eq 1 ]]; then
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echo "[DEBUG]: Last backend to run, update: $UPDATED_APACHE, state: '$state'"
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if [[ $UPDATED_APACHE -eq 1 || "$state" =~ .*RELOAD$ ]]; then
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if service apache2 status > /dev/null; then
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service apache2 reload
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else
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service apache2 start
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fi
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fi
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rm /dev/shm/reload.apache2.locked
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else
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echo "$state" > /dev/shm/reload.apache2.locked
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if [[ $UPDATED_APACHE -eq 1 ]]; then
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echo -e "[DEBUG]: Apache will be reloaded by another backend:\\n${state}"
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echo "$BACKEND RELOAD" >> /dev/shm/reload.apache2.locked
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fi
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mv /dev/shm/reload.apache2.locked /dev/shm/reload.apache2
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fi
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}""")
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)
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def commit(self):
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""" reload Apache2 if necessary """
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self.append("coordinate_apache_reload")
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super(Apache2Controller, self).commit()
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def get_directives(self, directive, context):
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method, args = directive[0], directive[1:]
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try:
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method = getattr(self, 'get_%s_directives' % method)
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except AttributeError:
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context = (self.__class__.__name__, method)
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raise AttributeError("%s does not has suport for '%s' directive." % context)
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return method(context, *args)
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def get_content_directives(self, site, context):
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directives = []
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for content in site.content_set.all():
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directive = content.webapp.get_directive()
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self.set_content_context(content, context)
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directives += self.get_directives(directive, context)
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return directives
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def get_static_directives(self, context, app_path):
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context['app_path'] = os.path.normpath(app_path % context)
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directive = self.get_location_filesystem_map(context)
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return [
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(context['location'], directive),
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]
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def get_location_filesystem_map(self, context):
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if not context['location']:
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return 'DocumentRoot %(app_path)s' % context
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return 'Alias %(location)s %(app_path)s' % context
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def get_fpm_directives(self, context, socket, app_path):
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if ':' in socket:
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# TCP socket
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target = 'fcgi://%(socket)s%(app_path)s/$1'
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else:
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# UNIX socket
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target = 'unix:%(socket)s|fcgi://127.0.0.1/'
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context.update({
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'app_path': os.path.normpath(app_path),
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'socket': socket,
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})
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directives = textwrap.dedent("""
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<Directory {app_path}>
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<FilesMatch "\.php$">
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SetHandler "proxy:unix:{socket}|fcgi://127.0.0.1"
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</FilesMatch>
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</Directory>
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""").format(socket=socket, app_path=app_path)
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directives += self.get_location_filesystem_map(context)
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return [
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(context['location'], directives),
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]
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def get_fcgid_directives(self, context, app_path, wrapper_path):
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context.update({
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'app_path': os.path.normpath(app_path),
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'wrapper_name': os.path.basename(wrapper_path),
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})
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directives = ''
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# This Action trick is used instead of FcgidWrapper because we don't want to define
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# a new fcgid process class each time an app is mounted (num proc limits enforcement).
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if not context['vhost_set_fcgid']:
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# fcgi-bin only needs to be defined once per vhots
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# We assume that all account wrapper paths will share the same dir
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context['wrapper_dir'] = os.path.dirname(wrapper_path)
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context['vhost_set_fcgid'] = True
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directives = textwrap.dedent("""\
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Alias /fcgi-bin/ %(wrapper_dir)s/
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<Location /fcgi-bin/>
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SetHandler fcgid-script
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Options +ExecCGI
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</Location>
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""") % context
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directives += self.get_location_filesystem_map(context)
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directives += textwrap.dedent("""
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ProxyPass %(location)s/ !
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<Directory %(app_path)s/>
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AddHandler php-fcgi .php
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Action php-fcgi /fcgi-bin/%(wrapper_name)s
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</Directory>""") % context
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return [
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(context['location'], directives),
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]
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def get_uwsgi_directives(self, context, socket):
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# requires apache2 mod_proxy_uwsgi
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context['socket'] = socket
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directives = "ProxyPass / unix:%(socket)s|uwsgi://" % context
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directives += self.get_location_filesystem_map(context)
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return [
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(context['location'], directives),
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]
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def get_ssl(self, directives):
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cert = directives.get('ssl-cert')
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key = directives.get('ssl-key')
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ca = directives.get('ssl-ca')
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if not (cert and key):
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cert = [settings.WEBSITES_DEFAULT_SSL_CERT]
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key = [settings.WEBSITES_DEFAULT_SSL_KEY]
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# Disabled because since the migration to LE, CA is not required here
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#ca = [settings.WEBSITES_DEFAULT_SSL_CA]
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if not (cert and key):
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return []
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ssl_config = [
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"SSLEngine on",
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"SSLCertificateFile %s" % cert[0],
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"SSLCertificateKeyFile %s" % key[0],
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]
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if ca:
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ssl_config.append("SSLCACertificateFile %s" % ca[0])
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return [
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('', '\n'.join(ssl_config)),
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]
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def get_security(self, directives):
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rules = []
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location = '/'
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for values in directives.get('sec-rule-remove', []):
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for rule in values.split():
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rules.append('SecRuleRemoveById %i' % int(rule))
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for location in directives.get('sec-engine', []):
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if location == '/':
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rules.append('SecRuleEngine Off')
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else:
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rules.append(textwrap.dedent("""\
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<Location %s>
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SecRuleEngine Off
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</Location>""") % location
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)
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security = []
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if rules:
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rules = textwrap.dedent("""\
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<IfModule mod_security2.c>
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%s
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</IfModule>""") % '\n '.join(rules)
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security.append((location, rules))
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return security
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def get_redirects(self, directives):
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redirects = []
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for redirect in directives.get('redirect', []):
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location, target = redirect.split()
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if re.match(r'^.*[\^\*\$\?\)]+.*$', redirect):
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redirect = "RedirectMatch %s %s" % (location, target)
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else:
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redirect = "Redirect %s %s" % (location, target)
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redirects.append(
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(location, redirect)
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)
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return redirects
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def get_proxies(self, directives):
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proxies = []
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for proxy in directives.get('proxy', []):
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proxy = proxy.split()
|
||
|
|
location = proxy[0]
|
||
|
|
target = proxy[1]
|
||
|
|
options = ' '.join(proxy[2:])
|
||
|
|
location = normurlpath(location)
|
||
|
|
proxy = textwrap.dedent("""\
|
||
|
|
ProxyPass {location}/ {target} {options}
|
||
|
|
ProxyPassReverse {location}/ {target}""".format(
|
||
|
|
location=location, target=target, options=options)
|
||
|
|
)
|
||
|
|
proxies.append(
|
||
|
|
(location, proxy)
|
||
|
|
)
|
||
|
|
return proxies
|
||
|
|
|
||
|
|
def get_saas(self, directives):
|
||
|
|
saas = []
|
||
|
|
for name, values in directives.items():
|
||
|
|
if name.endswith('-saas'):
|
||
|
|
for value in values:
|
||
|
|
context = {
|
||
|
|
'location': normurlpath(value),
|
||
|
|
}
|
||
|
|
directive = settings.WEBSITES_SAAS_DIRECTIVES[name]
|
||
|
|
saas += self.get_directives(directive, context)
|
||
|
|
return saas
|
||
|
|
|
||
|
|
def get_username(self, site):
|
||
|
|
option = site.get_directives().get('user_group')
|
||
|
|
if option:
|
||
|
|
return option[0]
|
||
|
|
return site.get_username()
|
||
|
|
|
||
|
|
def get_groupname(self, site):
|
||
|
|
option = site.get_directives().get('user_group')
|
||
|
|
if option and ' ' in option:
|
||
|
|
user, group = option.split()
|
||
|
|
return group
|
||
|
|
return site.get_groupname()
|
||
|
|
|
||
|
|
def get_server_names(self, site):
|
||
|
|
server_name = None
|
||
|
|
server_alias = []
|
||
|
|
for domain in site.domains.all().order_by('name'):
|
||
|
|
if not server_name and not domain.name.startswith('*'):
|
||
|
|
server_name = domain.name
|
||
|
|
else:
|
||
|
|
server_alias.append(domain.name)
|
||
|
|
return server_name, server_alias
|
||
|
|
|
||
|
|
def get_context(self, site):
|
||
|
|
base_apache_conf = settings.WEBSITES_BASE_APACHE_CONF
|
||
|
|
sites_available = os.path.join(base_apache_conf, 'sites-available')
|
||
|
|
sites_enabled = os.path.join(base_apache_conf, 'sites-enabled')
|
||
|
|
server_name, server_alias = self.get_server_names(site)
|
||
|
|
context = {
|
||
|
|
'site': site,
|
||
|
|
'site_name': site.name,
|
||
|
|
'ips': settings.WEBSITES_DEFAULT_IPS,
|
||
|
|
'site_unique_name': site.unique_name,
|
||
|
|
'user': self.get_username(site),
|
||
|
|
'group': self.get_groupname(site),
|
||
|
|
'server_name': server_name,
|
||
|
|
'server_alias': server_alias,
|
||
|
|
'sites_enabled': "%s.conf" % os.path.join(sites_enabled, site.unique_name),
|
||
|
|
'sites_available': "%s.conf" % os.path.join(sites_available, site.unique_name),
|
||
|
|
'access_log': site.get_www_access_log_path(),
|
||
|
|
'error_log': site.get_www_error_log_path(),
|
||
|
|
'banner': self.get_banner(),
|
||
|
|
}
|
||
|
|
if not context['ips']:
|
||
|
|
raise ValueError("WEBSITES_DEFAULT_IPS is empty.")
|
||
|
|
return context
|
||
|
|
|
||
|
|
def set_content_context(self, content, context):
|
||
|
|
content_context = {
|
||
|
|
'type': content.webapp.type,
|
||
|
|
'location': normurlpath(content.path),
|
||
|
|
'app_name': content.webapp.name,
|
||
|
|
'app_path': content.webapp.get_path(),
|
||
|
|
}
|
||
|
|
context.update(content_context)
|
||
|
|
|
||
|
|
|
||
|
|
class Apache2Traffic(ServiceMonitor):
|
||
|
|
"""
|
||
|
|
Parses apache logs,
|
||
|
|
looking for the size of each request on the last word of the log line.
|
||
|
|
"""
|
||
|
|
model = 'websites.Website'
|
||
|
|
resource = ServiceMonitor.TRAFFIC
|
||
|
|
verbose_name = _("Apache 2 Traffic")
|
||
|
|
monthly_sum_old_values = True
|
||
|
|
doc_settings = (settings,
|
||
|
|
('WEBSITES_TRAFFIC_IGNORE_HOSTS',)
|
||
|
|
)
|
||
|
|
|
||
|
|
def prepare(self):
|
||
|
|
super(Apache2Traffic, self).prepare()
|
||
|
|
ignore_hosts = '\\|'.join(settings.WEBSITES_TRAFFIC_IGNORE_HOSTS)
|
||
|
|
context = {
|
||
|
|
'current_date': self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z"),
|
||
|
|
'ignore_hosts': '-v "%s"' % ignore_hosts if ignore_hosts else '',
|
||
|
|
}
|
||
|
|
self.append(textwrap.dedent("""\
|
||
|
|
function monitor () {
|
||
|
|
OBJECT_ID=$1
|
||
|
|
INI_DATE=$(date "+%%Y%%m%%d%%H%%M%%S" -d "$2")
|
||
|
|
END_DATE=$(date '+%%Y%%m%%d%%H%%M%%S' -d '%(current_date)s')
|
||
|
|
LOG_FILE="$3"
|
||
|
|
{
|
||
|
|
{ grep %(ignore_hosts)s ${LOG_FILE} || echo -e '\\r'; } \\
|
||
|
|
| awk -v ini="${INI_DATE}" -v end="${END_DATE}" '
|
||
|
|
BEGIN {
|
||
|
|
sum = 0
|
||
|
|
months["Jan"] = "01"
|
||
|
|
months["Feb"] = "02"
|
||
|
|
months["Mar"] = "03"
|
||
|
|
months["Apr"] = "04"
|
||
|
|
months["May"] = "05"
|
||
|
|
months["Jun"] = "06"
|
||
|
|
months["Jul"] = "07"
|
||
|
|
months["Aug"] = "08"
|
||
|
|
months["Sep"] = "09"
|
||
|
|
months["Oct"] = "10"
|
||
|
|
months["Nov"] = "11"
|
||
|
|
months["Dec"] = "12"
|
||
|
|
} {
|
||
|
|
# date = [11/Jul/2014:13:50:41
|
||
|
|
date = substr($4, 2)
|
||
|
|
year = substr(date, 8, 4)
|
||
|
|
month = months[substr(date, 4, 3)];
|
||
|
|
day = substr(date, 1, 2)
|
||
|
|
hour = substr(date, 13, 2)
|
||
|
|
minute = substr(date, 16, 2)
|
||
|
|
second = substr(date, 19, 2)
|
||
|
|
line_date = year month day hour minute second
|
||
|
|
if ( line_date > ini && line_date < end)
|
||
|
|
sum += $NF
|
||
|
|
} END {
|
||
|
|
print sum
|
||
|
|
}' || [[ $? == 1 ]] && true
|
||
|
|
} | xargs echo ${OBJECT_ID}
|
||
|
|
}""") % context)
|
||
|
|
|
||
|
|
def monitor(self, site):
|
||
|
|
context = self.get_context(site)
|
||
|
|
self.append('monitor {object_id} "{last_date}" {log_file}'.format(**context))
|
||
|
|
|
||
|
|
def get_context(self, site):
|
||
|
|
return {
|
||
|
|
'log_file': '%s{,.1}' % site.get_www_access_log_path(),
|
||
|
|
'last_date': self.get_last_date(site.pk).strftime("%Y-%m-%d %H:%M:%S %Z"),
|
||
|
|
'object_id': site.pk,
|
||
|
|
}
|