Alleviate startup disk contention issues

Add tuneable parameters in the heat template to
try to alleviate startup disk contention issues.

Also turn off use of RAM disk by default, reduce
size of Rancher VM, and use the RAM saved for an
extra k8s compute VM.

Change-Id: Ic638f33479338ebb9339b249ced9d6fa684935fa
Issue-ID: INT-586
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/deployment/heat/onap-oom/env/windriver/onap-oom-light.env b/deployment/heat/onap-oom/env/windriver/onap-oom-light.env
index c512c51..4ded3df 100644
--- a/deployment/heat/onap-oom/env/windriver/onap-oom-light.env
+++ b/deployment/heat/onap-oom/env/windriver/onap-oom-light.env
@@ -28,7 +28,7 @@
       openStackPrivateSubnetId: "__oam_subnet_id__"
       openStackPrivateNetCidr: "__oam_network_cidr__"
       openStackOamNetworkCidrPrefix: "10.0"
-      dcaeCollectorIp: "__k8s_1_vm_ip__"
+      dcaeCollectorIp: "__k8s_01_vm_ip__"
       vnfPubKey: "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDKXDgoo3+WOqcUG8/5uUbk81+yczgwC4Y8ywTmuQqbNxlY1oQ0YxdMUqUnhitSXs5S/yRuAVOYHwGg2mCs20oAINrP+mxBI544AMIb9itPjCtgqtE2EWo6MmnFGbHB4Sx3XioE7F4VPsh7japsIwzOjbrQe+Mua1TGQ5d4nfEOQaaglXLLPFfuc7WbhbJbK6Q7rHqZfRcOwAMXgDoBqlyqKeiKwnumddo2RyNT8ljYmvB6buz7KnMinzo7qB0uktVT05FH9Rg0CTWH5norlG5qXgP2aukL0gk1ph8iAt7uYLf1ktp+LJI2gaF6L0/qli9EmVCSLr1uJ38Q8CBflhkh"
       demoArtifactsVersion: "1.2.2"
       scriptVersion: "1.2.1"
diff --git a/deployment/heat/onap-oom/env/windriver/onap-oom.env b/deployment/heat/onap-oom/env/windriver/onap-oom.env
index 2ddda32..5ffbd8c 100644
--- a/deployment/heat/onap-oom/env/windriver/onap-oom.env
+++ b/deployment/heat/onap-oom/env/windriver/onap-oom.env
@@ -5,7 +5,7 @@
   apt_proxy: 10.12.5.2:8000
   docker_proxy: 10.12.5.2:5000
 
-  rancher_vm_flavor: m2.xlarge
+  rancher_vm_flavor: m1.xlarge
   k8s_vm_flavor: m1.xlarge
   etcd_vm_flavor: m1.large
   orch_vm_flavor: m1.xlarge
@@ -33,7 +33,7 @@
       openStackPrivateNetCidr: "__oam_network_cidr__"
       openStackSecurityGroup: "__sec_group__"
       openStackOamNetworkCidrPrefix: "10.0"
-      dcaeCollectorIp: "__k8s_1_vm_ip__"
+      dcaeCollectorIp: "__k8s_01_vm_ip__"
       vnfPubKey: "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDKXDgoo3+WOqcUG8/5uUbk81+yczgwC4Y8ywTmuQqbNxlY1oQ0YxdMUqUnhitSXs5S/yRuAVOYHwGg2mCs20oAINrP+mxBI544AMIb9itPjCtgqtE2EWo6MmnFGbHB4Sx3XioE7F4VPsh7japsIwzOjbrQe+Mua1TGQ5d4nfEOQaaglXLLPFfuc7WbhbJbK6Q7rHqZfRcOwAMXgDoBqlyqKeiKwnumddo2RyNT8ljYmvB6buz7KnMinzo7qB0uktVT05FH9Rg0CTWH5norlG5qXgP2aukL0gk1ph8iAt7uYLf1ktp+LJI2gaF6L0/qli9EmVCSLr1uJ38Q8CBflhkh"
       demoArtifactsVersion: "1.3.0-SNAPSHOT"
       scriptVersion: "1.3.0-SNAPSHOT"