Add Elastx CI (#6127)

tests/files/tf-elastx_ubuntu18-calico.yml

@@ -0,0 +1,7 @@
+---
+dns_min_replicas: 1
+deploy_netchecker: true
+sonobuoy_enabled: true
+
+# Ignore ping errors
+ignore_assert_errors: true

tests/scripts/create-tf.sh

@@ -2,4 +2,4 @@
 set -euxo pipefail
 
 cd ..
-terraform apply -auto-approve "contrib/terraform/$PROVIDER"
+terraform apply -auto-approve -parallelism=1 "contrib/terraform/$PROVIDER"

tests/testcases/040_check-network-adv.yml

@@ -188,7 +188,7 @@
           EOF
       when:
         - inventory_hostname == groups['kube-master'][0]
-        - kube_network_plugin_multus|bool|default(false)
+        - kube_network_plugin_multus|default(false)|bool
 
     - name: Annotate pod with macvlan network
       # We cannot use only shell: below because Ansible will render the text
@@ -212,7 +212,7 @@
           EOF
       when:
         - inventory_hostname == groups['kube-master'][0]
-        - kube_network_plugin_multus|bool|default(false)
+        - kube_network_plugin_multus|default(false)|bool
 
     - name: Check secondary macvlan interface
       shell: "{{ bin_dir }}/kubectl exec samplepod -- ip addr show dev net1"
@@ -222,4 +222,4 @@
       changed_when: false
       when:
         - inventory_hostname == groups['kube-master'][0]
-        - kube_network_plugin_multus|bool|default(false)
+        - kube_network_plugin_multus|default(false)|bool