fix: Use Rancher 1.6.10 (avoid 1.6.12 or 1.6.13 until we solve issues related to OOM-431 and OOM-441
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Basic setup, two hosts

host1 : devstack

host2 : rancher, kubernetes, oom (onap)

The following containers fail to start: 

NAMESPACE NAME READY STATUS RESTARTS AGE
onap-log elasticsearch-6df4f65775-w48c9 0/1 CrashLoopBackOff 28 2h
onap-portal vnc-portal-845d84676c-jwzf9 0/1 CrashLoopBackOff 23 2h

$ kubectl describe -n onap-log po elasticsearch-6df4f65775-w48c9
Name: elasticsearch-6df4f65775-w48c9
Namespace: onap-log
Node: ip-172-31-37-207.us-west-2.compute.internal/35.161.247.60
Start Time: Wed, 03 Jan 2018 18:44:59 +0000
Labels: app=elasticsearch
{{ pod-template-hash=2890921331}}
Annotations: kubernetes.io/created-by={"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"ReplicaSet","namespace":"onap-log","name":"elasticsearch-6df4f65775","uid":"3336be76-f0b6-11e7-9c76-029aeb...
Status: Running
IP: 10.42.66.68
Created By: ReplicaSet/elasticsearch-6df4f65775
Controlled By: ReplicaSet/elasticsearch-6df4f65775
Containers:
{{ elasticsearch:}}
{{ Container ID: docker://73252edb5572ce4d1a3267a1e2b8e52c1de980a2ecaf464d142ad54c472c403a}}
{{ Image: docker.elastic.co/elasticsearch/elasticsearch:5.5.0}}
{{ Image ID: docker-pullable://docker.elastic.co/elasticsearch/elasticsearch@sha256:80722d5c10da8bd33e9f32cb27cf5a3f23a96fbbb0adeb89e6cb724bbab9d217}}
{{ Ports: 9200/TCP, 9300/TCP}}
{{ State: Waiting}}
{{ Reason: CrashLoopBackOff}}
{{ Last State: Terminated}}
{{ Reason: Error}}
{{ Exit Code: 78}}
{{ Started: Wed, 03 Jan 2018 21:30:03 +0000}}
{{ Finished: Wed, 03 Jan 2018 21:30:10 +0000}}
{{ Ready: False}}
{{ Restart Count: 30}}
{{ Readiness: tcp-socket :9300 delay=0s timeout=1s period=10s #success=1 #failure=3}}
{{ Environment: <none>}}
{{ Mounts:}}
{{ /usr/share/elasticsearch/config/elasticsearch.yml from elasticsearch-conf (rw)}}
{{ /usr/share/elasticsearch/data/ from elasticsearch-data (rw)}}
{{ /usr/share/elasticsearch/logs/ from elasticsearch-logs (rw)}}
{{ /var/run/secrets/kubernetes.io/serviceaccount from default-token-cl74v (ro)}}
Conditions:
{{ Type Status}}
{{ Initialized True}}
{{ Ready False}}
{{ PodScheduled True}}
Volumes:
{{ elasticsearch-data:}}
{{ Type: PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)}}
{{ ClaimName: elasticsearch-db}}
{{ ReadOnly: false}}
{{ elasticsearch-logs:}}
{{ Type: HostPath (bare host directory volume)}}
{{ Path: /dockerdata-nfs/onap/log/elasticsearch/logs}}
{{ elasticsearch-conf:}}
{{ Type: ConfigMap (a volume populated by a ConfigMap)}}
{{ Name: elasticsearch-configmap}}
{{ Optional: false}}
{{ default-token-cl74v:}}
{{ Type: Secret (a volume populated by a Secret)}}
{{ SecretName: default-token-cl74v}}
{{ Optional: false}}
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.alpha.kubernetes.io/notReady:NoExecute for 300s
{{ node.alpha.kubernetes.io/unreachable:NoExecute for 300s}}
Events:
{{ Type Reason Age From Message}}
{{ ---- ------ ---- ---- -------}}
{{ Warning FailedSync 3m (x576 over 2h) kubelet, ip-172-31-37-207.us-west-2.compute.internal Error syncing pod}}

$ kubectl describe -n onap-portal po vnc-portal-845d84676c-jwzf9
Name: vnc-portal-845d84676c-jwzf9
Namespace: onap-portal
Node: ip-172-31-37-207.us-west-2.compute.internal/35.161.247.60
Start Time: Wed, 03 Jan 2018 18:44:44 +0000
Labels: app=vnc-portal
{{ pod-template-hash=4018402327}}
Annotations: kubernetes.io/created-by={"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"ReplicaSet","namespace":"onap-portal","name":"vnc-portal-845d84676c","uid":"2a573cc2-f0b6-11e7-9c76-029aeb...
Status: Running
IP: 10.42.12.205
Created By: ReplicaSet/vnc-portal-845d84676c
Controlled By: ReplicaSet/vnc-portal-845d84676c
Containers:
{{ vnc-portal:}}
{{ Container ID: docker://4c632d2e0ded752b696ea63636344576a379c14077867c0a5d0d1078527d090d}}
{{ Image: dorowu/ubuntu-desktop-lxde-vnc}}
{{ Image ID: docker-pullable://dorowu/ubuntu-desktop-lxde-vnc@sha256:9e79e40c997ea6c0789ce695e9530ea13140f561669c1cacd50dbe054289c0cd}}
{{ Port: <none>}}
{{ State: Waiting}}
{{ Reason: CrashLoopBackOff}}
{{ Last State: Terminated}}
{{ Reason: Error}}
{{ Exit Code: 137}}
{{ Started: Wed, 03 Jan 2018 21:30:33 +0000}}
{{ Finished: Wed, 03 Jan 2018 21:31:04 +0000}}
{{ Ready: False}}
{{ Restart Count: 25}}
{{ Environment:}}
{{ VNC_PASSWORD: password}}
{{ Mounts:}}
{{ /etc/localtime from localtime (ro)}}
{{ /root/.init_profile/profiles.ini from vnc-profiles-ini (rw)}}
{{ /ubuntu-init/ from ubuntu-init (rw)}}
{{ /var/run/secrets/kubernetes.io/serviceaccount from default-token-mhkvx (ro)}}
Conditions:
{{ Type Status}}
{{ Initialized True}}
{{ Ready False}}
{{ PodScheduled True}}
Volumes:
{{ localtime:}}
{{ Type: HostPath (bare host directory volume)}}
{{ Path: /etc/localtime}}
{{ ubuntu-init:}}
{{ Type: EmptyDir (a temporary directory that shares a pod's lifetime)}}
{{ Medium:}}
{{ vnc-profiles-ini:}}
{{ Type: ConfigMap (a volume populated by a ConfigMap)}}
{{ Name: vnc-profiles-ini}}
{{ Optional: false}}
{{ default-token-mhkvx:}}
{{ Type: Secret (a volume populated by a Secret)}}
{{ SecretName: default-token-mhkvx}}
{{ Optional: false}}
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.alpha.kubernetes.io/notReady:NoExecute for 300s
{{ node.alpha.kubernetes.io/unreachable:NoExecute for 300s}}
Events:
{{ Type Reason Age From Message}}
{{ ---- ------ ---- ---- -------}}
{{ Warning BackOff 55m (x228 over 1h) kubelet, ip-172-31-37-207.us-west-2.compute.internal Back-off restarting failed container}}
{{ Normal Pulled 25m (x22 over 2h) kubelet, ip-172-31-37-207.us-west-2.compute.internal Successfully pulled image "dorowu/ubuntu-desktop-lxde-vnc"}}
{{ Normal Pulling 20m (x23 over 2h) kubelet, ip-172-31-37-207.us-west-2.compute.internal pulling image "dorowu/ubuntu-desktop-lxde-vnc"}}
{{ Warning FailedSync 5m (x476 over 2h) kubelet, ip-172-31-37-207.us-west-2.compute.internal Error syncing pod}}