def write_plugin(self, out):
count = 0 # number of server being monitored
utils.print_step('Begin writing nginx plugin for collectd')
out.write('LoadPlugin "nginx"\n')
out.write('<Plugin "nginx">\n')
self.plugin_usage()
while count == 0: # can only monitor one for this plugin
url = utils.get_input(
'Please enter the url that contains your '
'nginx-status:\n(ex: localhost/nginx-status)\n'
'(This plugin can only monitor one server)')
utils.cprint()
utils.print_step('Checking http response for %s' % url)
res = utils.get_command_output('curl -s -i '+url)
if res is None:
ret = utils.INVALID_URL
else:
ret = utils.check_http_response(res)
if ret == utils.NOT_AUTH:
# skip for this case for now, ask for user/pass
utils.eprint(
'Authorization server status is required, please '
'try again.\n')
elif ret == utils.NOT_FOUND or ret == utils.INVALID_URL:
utils.print_failure()
utils.eprint(
'Invalid url was provided, please try '
'again.\n')
elif ret == utils.HTTP_OK:
utils.print_success()
res = self.check_nginx_status(res)
if not res:
utils.print_warn(
'The url you have provided '
'does not seem to be the correct nginx_status '
'page. Incorrect server-status will not be '
'recorded by collectd.')
res = utils.ask(
'Would you like to record this url anyway?', 'no')
if res:
plugin_instance = (
' URL "{url}"\n').format(url=url)
utils.cprint('Result from:\n{}'.format(plugin_instance))
res = utils.ask(
'Is this the correct url to monitor?')
if res:
count = count + 1
out.write(plugin_instance)
out.write('</Plugin>\n')
return count
def check_dependency(self):
utils.print_step('Checking dependency')
utils.print_step(' Checking http_stub_status_module')
cmd_res = utils.get_command_output(
'nginx -V 2>&1 | grep -o '
'with-http_stub_status_module')
if cmd_res is None:
utils.print_warn(
'http_stub_status_module is not enabled.\n'
'This module is required to enable the '
'nginx-status page.')
self.raise_error('http_stub_status_module')
utils.print_success()
def check_http_response(http_res):
http_status_re = re.match('HTTP/1.1 (\d* [\w ]*)\s', http_res)
if http_status_re is None:
utils.print_warn('Invalid http response header!')
sys.exit(1)
http_code = http_status_re.group(1)
if('401 Unauthorized' in http_code):
return NOT_AUTH
elif('404 Not Found' in http_code):
return NOT_FOUND
elif('200 OK' in http_code):
return HTTP_OK
else:
return INVALID_URL
def check_http_response(http_res):
http_status_re = re.match('HTTP/1.1 (\d* [\w ]*)\s', http_res)
if http_status_re is None:
utils.print_warn('Invalid http response header!')
sys.exit(1)
http_code = http_status_re.group(1)
if ('401 Unauthorized' in http_code):
return NOT_AUTH
elif ('404 Not Found' in http_code):
return NOT_FOUND
elif ('200 OK' in http_code):
return HTTP_OK
else:
return INVALID_URL
def installer_menu(app_list, support_dict):
"""
provide the menu and prompts for the user to interact with the installer
installer flow:
1. show selections
2. installs a plugin
3. updates install state (not yet implemented)
4. menu changes with install state (not yet implemented)
Option Name State Date
(1) mysql Installer Installed (installation date)
(2) apache Installer Incomplete
(3) postgres Installer New
if resinstall,
warn that this will overwrite {conf_file}.
"""
exit_cmd = [
'quit', 'q', 'exit']
# the format of each row in installing menu
menu_rowf = (
'{index:{index_pad}} {name:{name_pad}} '
'{state:{state_pad}} {date}')
index_pad = 7
name_pad = 30
state_pad = 12
color = utils.BLACK # default
res = None # to begin the prompt loop
utils.cprint()
utils.cprint(
'We have detected the following applications that are '
'supported by our collectd installers.')
while res not in exit_cmd:
utils.cprint()
utils.cprint(
'The following are the available installers:')
utils.cprint(
menu_rowf.format(
index='Option', index_pad=index_pad,
name='Name', name_pad=name_pad,
state='State', state_pad=state_pad,
date='Date'))
install_state = check_install_state(app_list)
for i, app in enumerate(app_list):
index = '({i})'.format(i=i)
app_installer = '{} installer'.format(app)
app_state = install_state[app]['state']
if 'date' in install_state[app]:
date = install_state[app]['date']
else:
date = ''
if app_state == NEW:
state = 'New'
color = utils.GREEN
elif app_state == INCOMPLETE:
state = 'Incomplete'
color = utils.YELLOW
elif app_state == INSTALLED:
state = 'Installed'
color = utils.BLACK
utils.print_color_msg(
menu_rowf.format(
index=index, index_pad=index_pad,
name=app_installer, name_pad=name_pad,
state=state, state_pad=state_pad,
date=date), color)
utils.cprint()
utils.cprint(
'To pick a installer, type in the corresponding number '
'next to the installer.\n'
'To quit out of this installer, type "[Q]uit" or "exit".')
res = utils.get_input(
'Which installer would you like to run?').lower()
if res not in exit_cmd:
option = check_option(res, len(app_list))
if option is not None:
app = support_dict[app_list[option]]
utils.cprint(
'You have selected ({option}) {app} installer'.format(
option=option, app=app_list[option]))
app_state = install_state[app_list[option]]['state']
if app_state == INSTALLED:
utils.print_warn(
'You have previously used this installer\n'
'Reinstalling will overwrite the old configuration '
'file, {}.'.format(app['conf_name']))
confirm = utils.ask(
'Would you like to proceed with '
'the installer?')
if confirm:
Installer = getattr(
importlib.import_module(
app['module']),
app['class_name'])
instance = Installer(
config.OPERATING_SYSTEM,
app['plugin_name'],
app['conf_name'])
if instance.install():
install_state[app_list[option]]['state'] = INSTALLED
else:
install_state[app_list[option]]['state'] = INCOMPLETE
install_state[app_list[option]]['date'] = '{:%c}'.format(
datetime.now())
update_install_state(install_state)
else:
utils.print_reminder('Invalid option.')
if res < 0 or res >= max_length:
return None
return res
if __name__ == '__main__':
check_version()
conf.check_collectd_exists()
conf.check_collectd_path()
# the first argument will be the log file
arg_len = len(sys.argv)
if arg_len == 3:
config.OPERATING_SYSTEM = sys.argv[1]
config.INSTALL_LOG = sys.argv[2]
elif arg_len == 1:
config.INSTALL_LOG = '/dev/null'
else:
utils.eprint('Invalid arguments.')
sys.exit(1)
if config.DEBUG:
utils.print_warn('DEBUG IS ON')
(s_list, s_dict) = detect_applications()
try:
installer_menu(s_list, s_dict)
except KeyboardInterrupt:
utils.eprint('\nQuitting the installer via keyboard interrupt.')
sys.exit(1)
def write_plugin(self, out):
"""
Flow:
create /opt/collectd/plugins/python directory
mv the redis_info.py into there
ask for instance name
then ask for hostname, port
ask for auth
"""
count = 0 # number of server being monitored
iname_list = []
server_list = []
first_prompt = True
python_plugin_path = '/opt/collectd/plugins/python'
if config.DEBUG:
plugin_src = '{}/{}'.format(
config.PLUGIN_EXTENSION_DIR, 'redis_info.py')
else:
plugin_src = '{}/{}/{}'.format(
config.APP_DIR,
config.PLUGIN_EXTENSION_DIR,
'redis_info.py')
metrics = (
' Verbose false\n'
' # Catch Redis metrics (prefix with Redis_)\n'
' Redis_uptime_in_seconds "gauge"\n'
' Redis_used_cpu_sys "counter"\n'
' Redis_used_cpu_user "counter"\n'
' Redis_used_cpu_sys_children "counter"\n'
' Redis_used_cpu_user_children "counter"\n'
' Redis_uptime_in_days "gauge"\n'
' Redis_lru_clock "counter"\n'
' Redis_connected_clients "gauge"\n'
' Redis_connected_slaves "gauge"\n'
' Redis_client_longest_output_list "gauge"\n'
' Redis_client_biggest_input_buf "gauge"\n'
' Redis_blocked_clients "gauge"\n'
' Redis_expired_keys "counter"\n'
' Redis_evicted_keys "counter"\n'
' Redis_rejected_connections "counter"\n'
' Redis_used_memory "bytes"\n'
' Redis_used_memory_rss "bytes"\n'
' Redis_used_memory_peak "bytes"\n'
' Redis_used_memory_lua "bytes"\n'
' Redis_mem_fragmentation_ratio "gauge"\n'
' Redis_changes_since_last_save "gauge"\n'
' Redis_instantaneous_ops_per_sec "gauge"\n'
' Redis_rdb_bgsave_in_progress "gauge"\n'
' Redis_total_connections_received "counter"\n'
' Redis_total_commands_processed "counter"\n'
' Redis_total_net_input_bytes "counter"\n'
' Redis_total_net_output_bytes "counter"\n'
' Redis_keyspace_hits "derive"\n'
' Redis_keyspace_misses "derive"\n'
' Redis_latest_fork_usec "gauge"\n'
' Redis_connected_slaves "gauge"\n'
' Redis_repl_backlog_first_byte_offset "gauge"\n'
' Redis_master_repl_offset "gauge"\n')
slave_metrics = (
' #Slave-Only'
' Redis_master_last_io_seconds_ago "gauge"\n'
' Redis_slave_repl_offset "gauge"\n')
utils.print_step(
'Begin configuring Redis python plugin for collectd')
# create directory if it doesn't exist
if not utils.check_path_exists(python_plugin_path):
utils.print_step(
' Creating directory {} '
'for collectd python plugin'.format(python_plugin_path))
res = utils.call_command(
'mkdir -p {}'.format(python_plugin_path))
if res == 0:
utils.print_success()
else:
utils.print_failure()
raise Exception('Unable to create directory.')
utils.print_step(
' Moving python plugin')
res = utils.call_command(
'cp {src} {dst}'.format(
src=plugin_src, dst=python_plugin_path))
if res == 0:
utils.print_success()
else:
utils.print_failure()
raise Exception('Failed to move the plugin.')
utils.print_step('Begin writing redis configuration for collectd')
# pull comment and append to it
if not self.pull_comment(out):
utils.print_warn('Failed to pull comment.')
out.write('\n\n')
out.write(
'<LoadPlugin python>\n'
' Globals true\n'
'</LoadPlugin>\n\n'
'<Plugin python>\n'
' ModulePath "{path}"\n'
' Import "redis_info"\n'.format(path=python_plugin_path))
while utils.ask('Would you like to add a server to monitor?'):
iname = utils.prompt_and_check_input(
prompt=(
'\nHow would you like to name this monitoring instance?\n'
'(How it should appear on your wavefront metric page, \n'
'space between words will be removed)'),
check_func=(
lambda x: x.replace(" ", "") not in iname_list),
usage=(
'{} has already been used.'.format),
usage_fmt=True).replace(" ", "")
host = utils.prompt_and_check_input(
prompt=(
'Please enter the hostname that connects to your\n'
'redis server: (ex: localhost)'),
check_func=utils.hostname_resolves,
usage='{} does not resolve.'.format,
usage_fmt=True)
port = utils.prompt_and_check_input(
prompt=(
'What is the TCP-port used to connect to the host? '),
check_func=utils.check_valid_port,
usage=(
'A valid port is a number '
'between (0, 65535) inclusive.\n'),
default='6379')
if (host, port) in server_list:
utils.eprint(
'You have already monitored {host}:{port}.'.format(
host=host, port=port))
continue
plugin_instance = (
' Instance "{iname}"\n'
' Host "{host}"\n'
' Port "{port}"\n').format(
iname=iname,
host=host, port=port)
if utils.ask(
'Is there an authorization password set up for\n'
'{host}:{port}'.format(host=host, port=port),
default=None):
auth = utils.get_input(
'What is the authorization password?')
plugin_instance += (
' Auth "{auth}"\n'.format(auth=auth))
slave = utils.ask(
'Is this a slave server?', default='no')
utils.cprint()
if slave:
utils.cprint('(slave server)')
utils.cprint('Result: \n{}'.format(plugin_instance))
res = utils.ask('Is the above information correct?')
if res:
utils.print_step('Saving instance')
count = count + 1
iname_list.append(iname)
server_list.append((host, port))
out.write(
'\n <Module redis_info>\n'
'{plugin_instance}'
'{metrics}'.format(
plugin_instance=plugin_instance,
metrics=metrics))
if slave:
out.write(slave_metrics)
out.write(' </Module>\n')
utils.print_success()
else:
utils.cprint('This instance is not saved.')
out.write('</Plugin>\n')
return count
def write_plugin(self, out):
count = 0
server_list = []
sv_list = []
overwrite = True
utils.print_step('Begin writing apache plugin for collectd')
out.write('LoadPlugin "apache"\n')
out.write('<Plugin "apache">\n')
self.apache_plugin_usage()
while utils.ask('Would you like to add a server to monitor?'):
sv_name = utils.get_input(
'How would you like to name this server? '
'(space between words will be removed)').replace(" ", "")
if sv_name in sv_list:
utils.cprint('You have already used {}.'.format(
sv_name))
continue
url = utils.get_input(
'Please enter the url that contains your '
'server-status (ex: www.apache.org/server_status):')
utils.cprint()
if url in server_list:
utils.eprint(
'You have already added this {} server.'.format(url))
continue
utils.print_step('Checking http response for %s' % url)
res = utils.get_command_output('curl -s -i '+url)
if res is None:
ret = utils.INVALID_URL
else:
ret = utils.check_http_response(res)
if ret == utils.NOT_AUTH:
# skip for this case for now, ask for user/pass
utils.eprint(
'Authorization server status is required, please '
'try again.\n')
elif ret == utils.NOT_FOUND or ret == utils.INVALID_URL:
utils.print_failure()
utils.eprint(
'Invalid url was provided, please try '
'again.\n')
elif ret == utils.HTTP_OK:
utils.print_success()
overwrite = True
status = self.check_apache_server_status(res)
if status is None:
utils.print_warn(
'The url you have provided '
'does not seem to be the correct server_status '
'page. Incorrect server-status will not be '
'recorded by collectd.')
overwrite = utils.ask(
'Would you like to record this url anyway?', 'no')
if overwrite:
if status:
utils.cprint(status)
url_auto = url+'?auto'
plugin_instance = (
' <Instance "{instance}">\n'
' URL "{url}"\n'
' </Instance>\n').format(instance=sv_name,
url=url_auto)
utils.cprint()
utils.cprint(
'Your url is appended with ?auto to convert '
'the content into machine readable code.\n'
'{}'.format(plugin_instance))
res = utils.ask(
'Is this the correct status to monitor?')
if res:
utils.print_step('Saving instance')
count = count + 1
server_list.append(url)
sv_list.append(sv_name)
out.write(plugin_instance)
utils.print_success()
else:
utils.cprint('Instance is not saved.')
out.write('</Plugin>\n')
return count
def write_apache_plugin(out):
out.write('LoadPlugin "apache"\n')
out.write('<Plugin "apache">\n')
count = 0
server_list = []
apache_plugin_usage()
sys.stdout.write(
'To check whether the server-status page is working, please visit\n'
'\tyour-server-name/server-status\n'
'It should look similar to\n'
'\tapache.org/server-status\n')
while utils.ask('Would you like to add a server to monitor?'):
url = utils.get_input(
'Please enter the url that contains your ' +
'server-status (ex: www.apache.org/server_status):')
print
utils.print_step('Checking http response for %s' % url)
res = utils.get_command_output('curl -s -i '+url)
if res is None:
ret = INVALID_URL
else:
ret = check_http_response(res)
if ret == NOT_AUTH:
# skip for this case for now, ask for user/pass
sys.stderr.write(
'Authorization server status is required, please '
'try again.\n')
elif ret == NOT_FOUND or ret == INVALID_URL:
utils.print_failure()
sys.stderr.write(
'Invalid url was provided, please try '
'again.\n')
elif ret == HTTP_OK:
utils.print_success()
if url in server_list:
utils.print_warn(
'You have already added this server instance.')
else:
res = check_apache_server_status(res)
if res is None:
utils.print_warn(
'The url you have provided '
'does not seem to be the correct server_status '
'page. Incorrect server-status will not be recorded '
'by collectd.')
utils.ask(
'Would you like to record this url anyway?', 'no')
else:
print res
res = utils.ask('Is this the correct status to monitor?')
print
if res:
count = count + 1
server_list.append(url)
instance = 'apache%d' % count
url_auto = url+'?auto'
plugin_instance = (
' <Instance "{instance}">\n'
' URL "{url}"\n'
' </Instance>\n').format(instance=instance,
url=url_auto)
out.write(plugin_instance)
out.write('</Plugin>\n')
return count
def install_apache_plugin():
install = check_install_state('Apache')
print
if not install:
sys.stdout.write(
'This script has detected that you have apache installed and '
'running.')
res = utils.ask(
'Would you like to run the apache plugin installer to '
'enable collectd to collect data from apache?')
else:
print 'You have previously installed this plugin.'
res = utils.ask(
'Would you like to reinstall this plugin?', default='no')
if not res:
return
apache_title()
print
sys.stdout.write(
'To enable collectd plugin with Apache, the following '
'steps need to be taken:\n'
'1. mod_status for apache needs to be enabled. (Default is enabled)\n'
'2. ExtendedStatus needs to be turned on. (Default is off)\n'
'3. Enable the server-status handler for each virtual host.\n')
_ = raw_input('Press Enter to continue')
utils.print_step('Begin collectd Apache plugin installer')
# check point
# - check dependency
# - change system file
# - check mod status
# - TODO: pull template
# - prompt for user information
if not utils.command_exists('curl'):
utils.exit_with_failure('Curl is needed for this plugin.')
# ubuntu check
# Assumption:
# -latest apache2 is installed and the installation
# -directory is in the default place
utils.print_step(' Checking if mod_status is enabled')
cmd_res = utils.get_command_output('ls /etc/apache2/mods-enabled')
if 'status.conf' not in cmd_res or 'status.load' not in cmd_res:
utils.print_step('Enabling apache2 mod_status module.')
ret = utils.call_command('sudo a2enmod status')
if ret != 0:
utils.exit_with_message('a2enmod command was not found')
utils.print_success()
print
sys.stdout.write(
'In order to enable the apache plugin with collectd, the '
'ExtendedStatus setting must be turned on.\n'
'This setting can be turned on by having "ExtendedStatus on" '
'in one of the .conf file.\n')
sys.stdout.write(
'If you have already enabled this status, '
'answer "no" to the next question '
'and ignore the following warning.\n'
'If you would like us to enable this status, answer "yes" and we will '
'include a extendedstatus.conf file in your apache folder.\n')
res = utils.ask(
'Would you like us to enable '
'the ExtendedStatus?')
# missing the flow where user wants to turn on the setting themselves.
if res:
# include the config file in /apache2/conf-enabled
conf_dir = '/etc/apache2/conf-enabled'
utils.print_step('Checking if ' + conf_dir + ' exists.')
if utils.check_path_exists(conf_dir):
# pull config file here
utils.print_success()
include_apache_es_conf(conf_dir)
sys.stdout.write(
'\nextendedstatus.conf is now included in the ' +
conf_dir + ' dir.\n')
utils.print_step('Restarting apache')
ret = utils.call_command(
'service apache2 restart >> ' +
config.INSTALL_LOG + ' 2>&1')
if ret != 0:
utils.exit_with_message('Failed to restart apache service.')
utils.print_success()
else:
exit_with_message(conf_dir + ' dir does not exist, ' +
'please consult [email protected]' +
'for help.')
else:
utils.print_warn(
'Collectd plugin will not work with apache if the '
'ExtendedStatus is not turned on.')
# Begin writing apache plugin
print
utils.print_step('Begin writing apache plugin for collectd')
plugin_file = 'wavefront_temp_apache.conf'
out = utils.write_file(plugin_file)
error = False
if out is None:
utils.exit_with_message('')
try:
res = write_apache_plugin(out)
except:
sys.stderr.write('Unexpected flow.\n')
error = True
finally:
out.close()
if error:
sys.stderr.write('Closing and removing temp file.\n')
utils.call_command('rm ' + plugin_file)
sys.exit(1)
# if there was at least one instance being monitor
if res:
utils.print_step('Copying the plugin file to the correct place')
outfile = 'wavefront_apache.conf'
cp_cmd = (
'cp {infile} {conf_dir}/{outfile}').format(
infile=plugin_file,
conf_dir=COLLECTD_CONF_DIR,
outfile=outfile)
ret = utils.call_command(cp_cmd)
if ret == 0:
utils.print_success()
print 'Apache_plugin has been written successfully.'
sys.stdout.write(
'wavefront_apache.conf can be found at %s.\n' %
COLLECTD_CONF_DIR)
else:
exit_with_message('Failed to copy the plugin file.\n')
else:
sys.stdout.write('You did not provide any instance to monitor.\n')
utils.call_command('rm {}'.format(plugin_file))
-include RemotePort for outbounds connections
i.e. the servers we are connecting to
"""
try:
out = open('10-tcpconns.conf', 'w')
except IOError:
sys.stderr.write('Unable to open tcpcons.conf file\n')
sys.exit(1)
except:
sys.stderr.write(
'Unexpected error. Unable to write tcpcons.conf file\n')
sys.exit(1)
tcp_plugin_bef = (
'LoadPlugin tcpconns\n'
'<Plugin "tcpconns">\n'
' ListeningPorts false\n')
out.write(tcp_plugin_bef)
for port in open_ports:
out.write(' LocalPort "%d"\n' % port)
# no remote port yet
out.write('</Plugin>\n')
out.close()
if __name__ == '__main__':
utils.print_warn('This is for testing conf_collected_plugin.py')
utils.cprint(COLLECTD_HOME)
utils.cprint(COLLECTD_CONF_DIR)
def write_apache_plugin(out):
out.write('LoadPlugin "apache"\n')
out.write('<Plugin "apache">\n')
count = 0
server_list = []
apache_plugin_usage()
sys.stdout.write(
'To check whether the server-status page is working, please visit\n'
'\tyour-server-name/server-status\n'
'It should look similar to\n'
'\tapache.org/server-status\n')
while utils.ask('Would you like to add a server to monitor?'):
url = utils.get_input(
'Please enter the url that contains your ' +
'server-status (ex: www.apache.org/server_status):')
print
utils.print_step('Checking http response for %s' % url)
res = utils.get_command_output('curl -s -i ' + url)
if res is None:
ret = INVALID_URL
else:
ret = check_http_response(res)
if ret == NOT_AUTH:
# skip for this case for now, ask for user/pass
sys.stderr.write('Authorization server status is required, please '
'try again.\n')
elif ret == NOT_FOUND or ret == INVALID_URL:
utils.print_failure()
sys.stderr.write('Invalid url was provided, please try '
'again.\n')
elif ret == HTTP_OK:
utils.print_success()
if url in server_list:
utils.print_warn(
'You have already added this server instance.')
else:
res = check_apache_server_status(res)
if res is None:
utils.print_warn(
'The url you have provided '
'does not seem to be the correct server_status '
'page. Incorrect server-status will not be recorded '
'by collectd.')
utils.ask('Would you like to record this url anyway?',
'no')
else:
print res
res = utils.ask('Is this the correct status to monitor?')
print
if res:
count = count + 1
server_list.append(url)
instance = 'apache%d' % count
url_auto = url + '?auto'
plugin_instance = (' <Instance "{instance}">\n'
' URL "{url}"\n'
' </Instance>\n').format(
instance=instance, url=url_auto)
out.write(plugin_instance)
out.write('</Plugin>\n')
return count
def install_apache_plugin():
install = check_install_state('Apache')
print
if not install:
sys.stdout.write(
'This script has detected that you have apache installed and '
'running.')
res = utils.ask('Would you like to run the apache plugin installer to '
'enable collectd to collect data from apache?')
else:
print 'You have previously installed this plugin.'
res = utils.ask('Would you like to reinstall this plugin?',
default='no')
if not res:
return
apache_title()
print
sys.stdout.write(
'To enable collectd plugin with Apache, the following '
'steps need to be taken:\n'
'1. mod_status for apache needs to be enabled. (Default is enabled)\n'
'2. ExtendedStatus needs to be turned on. (Default is off)\n'
'3. Enable the server-status handler for each virtual host.\n')
_ = raw_input('Press Enter to continue')
utils.print_step('Begin collectd Apache plugin installer')
# check point
# - check dependency
# - change system file
# - check mod status
# - TODO: pull template
# - prompt for user information
if not utils.command_exists('curl'):
utils.exit_with_failure('Curl is needed for this plugin.')
# ubuntu check
# Assumption:
# -latest apache2 is installed and the installation
# -directory is in the default place
utils.print_step(' Checking if mod_status is enabled')
cmd_res = utils.get_command_output('ls /etc/apache2/mods-enabled')
if 'status.conf' not in cmd_res or 'status.load' not in cmd_res:
utils.print_step('Enabling apache2 mod_status module.')
ret = utils.call_command('sudo a2enmod status')
if ret != 0:
utils.exit_with_message('a2enmod command was not found')
utils.print_success()
print
sys.stdout.write(
'In order to enable the apache plugin with collectd, the '
'ExtendedStatus setting must be turned on.\n'
'This setting can be turned on by having "ExtendedStatus on" '
'in one of the .conf file.\n')
sys.stdout.write(
'If you have already enabled this status, '
'answer "no" to the next question '
'and ignore the following warning.\n'
'If you would like us to enable this status, answer "yes" and we will '
'include a extendedstatus.conf file in your apache folder.\n')
res = utils.ask('Would you like us to enable ' 'the ExtendedStatus?')
# missing the flow where user wants to turn on the setting themselves.
if res:
# include the config file in /apache2/conf-enabled
conf_dir = '/etc/apache2/conf-enabled'
utils.print_step('Checking if ' + conf_dir + ' exists.')
if utils.check_path_exists(conf_dir):
# pull config file here
utils.print_success()
include_apache_es_conf(conf_dir)
sys.stdout.write('\nextendedstatus.conf is now included in the ' +
conf_dir + ' dir.\n')
utils.print_step('Restarting apache')
ret = utils.call_command('service apache2 restart >> ' +
config.INSTALL_LOG + ' 2>&1')
if ret != 0:
utils.exit_with_message('Failed to restart apache service.')
utils.print_success()
else:
exit_with_message(conf_dir + ' dir does not exist, ' +
'please consult [email protected]' +
'for help.')
else:
utils.print_warn('Collectd plugin will not work with apache if the '
'ExtendedStatus is not turned on.')
# Begin writing apache plugin
print
utils.print_step('Begin writing apache plugin for collectd')
plugin_file = 'wavefront_temp_apache.conf'
out = utils.write_file(plugin_file)
error = False
if out is None:
utils.exit_with_message('')
try:
res = write_apache_plugin(out)
except:
sys.stderr.write('Unexpected flow.\n')
error = True
finally:
out.close()
if error:
sys.stderr.write('Closing and removing temp file.\n')
utils.call_command('rm ' + plugin_file)
sys.exit(1)
# if there was at least one instance being monitor
if res:
utils.print_step('Copying the plugin file to the correct place')
outfile = 'wavefront_apache.conf'
cp_cmd = ('cp {infile} {conf_dir}/{outfile}').format(
infile=plugin_file, conf_dir=COLLECTD_CONF_DIR, outfile=outfile)
ret = utils.call_command(cp_cmd)
if ret == 0:
utils.print_success()
print 'Apache_plugin has been written successfully.'
sys.stdout.write('wavefront_apache.conf can be found at %s.\n' %
COLLECTD_CONF_DIR)
else:
exit_with_message('Failed to copy the plugin file.\n')
else:
sys.stdout.write('You did not provide any instance to monitor.\n')
utils.call_command('rm {}'.format(plugin_file))
