Move graceful upgrade test to debian canal HA, adjust drain

Graceful upgrades require 3 nodes
Drain now has a command timeout of 40s

.gitlab-ci.yml

@@ -267,6 +267,7 @@ before_script:
   CLOUD_REGION: us-east1-b
   UPGRADE_TEST: "basic"
   CLUSTER_MODE: ha
+  UPGRADE_TEST: "graceful"
 
 .rhel7_weave_variables: &rhel7_weave_variables
 # stage: deploy-gce-part1
@@ -288,7 +289,6 @@ before_script:
   CLOUD_IMAGE: debian-8-kubespray
   CLOUD_REGION: us-central1-b
   CLUSTER_MODE: default
-  UPGRADE_TEST: "graceful"
 
 .coreos_canal_variables: &coreos_canal_variables
 # stage: deploy-gce-part2

roles/upgrade/pre-upgrade/tasks/main.yml

@@ -5,7 +5,13 @@
   delegate_to: "{{ groups['kube-master'][0] }}"
 
 - name: Drain node
-  command: "{{ bin_dir }}/kubectl drain --force --ignore-daemonsets --grace-period 30 --delete-local-data {{ ansible_hostname }}"
+  command: >-
+    {{ bin_dir }}/kubectl drain
+      --force
+      --ignore-daemonsets
+      --grace-period {{ drain_grace_period }}
+      --timeout {{ drain_timeout }}
+      --delete-local-data {{ ansible_hostname }}
   delegate_to: "{{ groups['kube-master'][0] }}"
 
 - name: Sleep for grace period for draining