Comment 1 for bug 1755891

Looks like OC nodes are unreachable at the point in time when collect logs is invoked. root cause unknown (so far)

---

https://logs.rdoproject.org/openstack-periodic/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/1107bd8/console.txt.gz#_2018-03-14_10_01_33_327

+(./toci_quickstart.sh:66): QUICKSTART_COLLECTLOGS_CMD='

/home/jenkins/workspace/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/.quickstart/bin/ansible-playbook
/home/jenkins/workspace/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/.quickstart/playbooks/collect-logs.yml
-vv
--extra-vars @/home/jenkins/workspace/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/.quickstart/config/release/tripleo-ci/promotion-testing-hash-queens.yml
--extra-vars @/home/jenkins/workspace/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/.quickstart/config/general_config/featureset020.yml
--extra-vars @/opt/stack/new/tripleo-ci/toci-quickstart/config/testenv/ovb.yml --extra-vars @/opt/stack/new/tripleo-ci/toci-quickstart/config/testenv/ovb-rdocloud.yml
--extra-vars local_working_dir=/home/jenkins/workspace/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/.quickstart
--extra-vars virthost=undercloud
--inventory /home/jenkins/workspace/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/.quickstart/hosts
--extra-vars tripleo_root=/opt/stack/new
--extra-vars working_dir=/home/jenkins
--extra-vars validation_args='\''--validation-errors-nonfatal'\''
--extra-vars @/opt/stack/new/tripleo-ci/toci-quickstart/config/collect-logs.yml
--extra-vars artcl_collect_dir=/home/jenkins/workspace/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/logs
--tags all
--skip-tags teardown-all '

---

https://logs.rdoproject.org/openstack-periodic/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-queens/1107bd8/quickstart_collect_logs.log

fatal: [overcloud-controller-foo-0]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: Warning: Permanently added '127.0.0.2' (ECDSA) to the list of known hosts.
channel 0: open failed: connect failed: No route to host
stdio forwarding failed
ssh_exchange_identification: Connection closed by remote host
", "unreachable": true}
fatal: [overcloud-novacompute-bar-0]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: Warning: Permanently added '127.0.0.2' (ECDSA) to the list of known hosts.
channel 0: open failed: connect failed: No route to host
stdio forwarding failed
ssh_exchange_identification: Connection closed by remote host
", "unreachable": true}