def enable_maintenance():
"""Enables a maintenance page and serves a 503"""
"""Only to be run on loadbalancers"""
if not fabric.contrib.files.exists(maintenance_config):
abort("Sorry this task can only currently be run on loadbalancers")
puppet.disable("Maintenance mode enabled")
sudo("echo 'set $maintenance 1;' > {0}".format(maintenance_config))
sudo('service nginx reload')
def failover_to_rubygems():
"""Change bundler to use rubygems.org for gems rather than gemstash"""
bundler_config = get_bundler_config()
puppet.disable('Fabric failover_to_rubygems invoked')
# Overwrite the bundler config with an empty file to force failover to default
# Use an empty file rather than rm to avoid running rm as sudo.
sudo('echo "" > {0}'.format(bundler_config))
print('Disabled puppet and overwritten the bundler config file.')
print('Run "bundler.revert_mirror" to start using gemstash again.')
def failover_to_rubygems():
"""Change bundler to use rubygems.org for gems rather than gemstash"""
bundler_config = get_bundler_config()
puppet.disable('Fabric failover_to_rubygems invoked')
# Overwrite the bundler config with an empty file to force failover to default
# Use an empty file rather than rm to avoid running rm as sudo.
sudo('echo "" > {0}'.format(bundler_config))
print('Disabled puppet and overwritten the bundler config file.')
print('Run "bundler.revert_mirror" to start using gemstash again.')
def disable_logit():
"""Disable filebeat so we don't send data to Logit.io"""
with hide('everything'):
locked = sudo(
'test -f /var/lib/puppet/state/agent_disabled.lock && echo DISABLED || echo ENABLED'
)
if locked == "ENABLED":
puppet.disable("Disable sending to logit")
sudo("service filebeat stop")
def enable_maintenance(*app_list):
"""Enables a maintenance page for publishers and serves a 503"""
"""Only to be run on loadbalancers"""
if not fabric.contrib.files.exists(maintenance_config):
abort("Sorry this task can only currently be run on loadbalancers")
puppet.disable("Maintenance mode enabled")
env_url_post = fabric.state.env.gateway.lstrip("jumpbox.")
app_list = list(app_list)
if not valid_apps.issuperset(app_list):
print("{} are not valid apps for this maintenance.".format(
list(set(app_list).difference(valid_apps))))
exit(1)
for app in app_list:
app_hostname = "{}.{}".format(app, env_url_post)
app_config_file = "/etc/nginx/sites-enabled/{}".format(app_hostname)
maintenance_setting = "set $maintenance 1;"
fabric.contrib.files.sed(app_config_file,
"include includes/maintenance.conf;",
maintenance_setting,
use_sudo=True,
backup=".maint-bak")
with cd('/etc/nginx/sites-enabled/'):
sudo('rm -f *.maint-bak')
sudo('service nginx reload')
def fail_to_mirror():
"""Fails the site to the mirror by stopping nginx on the cache nodes"""
puppet.disable("Fabric fail_to_mirror task invoked")
execute(nginx.kill)
print('Disabled Puppet and switched off Nginx.')
print('Run `incident.recover_origin` to start serving from origin again.')
def fail_to_mirror():
"""Fails the site to the mirror by stopping nginx on the cache nodes"""
puppet.disable("Fabric fail_to_mirror task invoked")
execute(nginx.kill)
print('Disabled Puppet and switched off Nginx.')
print('Run `incident.recover_origin` to start serving from origin again.')
def fail_to_mirror():
"""Fails the site to the mirror"""
puppet.disable()
nginx.disable_vhost("www.gov.uk")
nginx.hello_it()
print("Disabled Puppet and www.gov.uk vhost, remember to re-enable and re-run puppet to restore previous state")
