[bionic] n-c-c charm tries to write an init disable file when the /etc/init dir does not exist

[bionic] n-c-c charm tries to write an init disable file when the /etc/init dir does not exist

This is an arm64 deployment.

2018-04-18 15:30:19 INFO juju-log Disabling services into db relation joined
2018-04-18 15:30:19 DEBUG worker.uniter.jujuc server.go:178 running hook tool "status-set"
2018-04-18 15:30:20 DEBUG worker.uniter.jujuc server.go:178 running hook tool "juju-log"
2018-04-18 15:30:20 DEBUG juju-log 0 section(s) found
2018-04-18 15:30:20 DEBUG install Traceback (most recent call last):
2018-04-18 15:30:20 DEBUG install File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/install.real", line 1150, in <module>
2018-04-18 15:30:20 DEBUG install main()
2018-04-18 15:30:20 DEBUG install File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/install.real", line 1144, in main
2018-04-18 15:30:20 DEBUG install hooks.execute(sys.argv)
2018-04-18 15:30:20 DEBUG install File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/charmhelpers/core/hookenv.py", line 801, in execute
2018-04-18 15:30:20 DEBUG install self._hooks[hook_name]()
2018-04-18 15:30:20 DEBUG install File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/charmhelpers/contrib/hardening/harden.py", line 79, in _harden_inner2
2018-04-18 15:30:20 DEBUG install return f(*args, **kwargs)
2018-04-18 15:30:20 DEBUG install File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/install.real", line 276, in install
2018-04-18 15:30:20 DEBUG install disable_services()
2018-04-18 15:30:20 DEBUG install File "/var/lib/juju/agents/unit-nova-cloud-controller-0/charm/hooks/nova_cc_utils.py", line 1189, in disable_services
2018-04-18 15:30:20 DEBUG install with open('/etc/init/{}.override'.format(svc), 'wb') as out:
2018-04-18 15:30:20 DEBUG install IOError: [Errno 2] No such file or directory: '/etc/init/haproxy.override'
2018-04-18 15:30:20 ERROR juju.worker.uniter.operation runhook.go:113 hook "install" failed: exit status 1

...

130 jenkins@mosci-arm64-jslave-persist-89:~/full_pipeline-303@2⟫ juju status nova-cloud-controller
Model Controller Cloud/Region Version SLA
arm64-mosci-ruxton-maas arm64-mosci-ruxton-maas ruxton-maas 2.3.2 unsupported

App Version Status Scale Charm Store Rev OS Notes
nova-cloud-controller error 1 nova-cloud-controller jujucharms 347 ubuntu

Unit Workload Agent Machine Public address Ports Message
nova-cloud-controller/0* error idle 2/lxd/3 10.245.168.46 hook failed: "install"

Machine State DNS Inst id Series AZ Message
2 started 10.245.168.25 qmwcqs bionic default Deployed
2/lxd/3 started 10.245.168.46 juju-9c4e2c-2-lxd-3 bionic default Container started

Relation provider Requirer Interface Type Message
cinder:cinder-volume-service nova-cloud-controller:cinder-volume-service cinder regular
glance:image-service nova-cloud-controller:image-service glance regular
keystone:identity-service nova-cloud-controller:identity-service keystone regular
mysql:shared-db nova-cloud-controller:shared-db mysql-shared regular
neutron-api:neutron-api nova-cloud-controller:neutron-api neutron-api regular
neutron-gateway:quantum-network-service nova-cloud-controller:quantum-network-service quantum regular
nova-cloud-controller:cluster nova-cloud-controller:cluster nova-ha peer joining
nova-compute:cloud-compute nova-cloud-controller:cloud-compute nova-compute regular
rabbitmq-server:amqp nova-cloud-controller:amqp rabbitmq regular