Make cilium tests pass (#4660)

Cilium requires a high kernel. rhel7 and centos7 are too low, so they are removed.
Bumping ubuntu to ubuntu-1804

Change-Id: Ib1bffa45b8f9ed0ba500f751714372b3a3f7878b

.gitlab-ci/gce.yml

@@ -146,7 +146,7 @@ gce_coreos-cilium:
   except: ['triggers']
   only: ['master', /^pr-.*$/]
 
-gce_ubuntu-cilium-sep:
+gce_ubuntu18-cilium-sep:
   stage: deploy-special
   <<: *gce
   when: manual

.gitlab-ci/packet.yml

@@ -73,7 +73,7 @@ packet_ubuntu-contiv-sep:
   except: ['triggers']
   only: ['master', /^pr-.*$/]
 
-packet_ubuntu-cilium-sep:
+packet_ubuntu18-cilium-sep:
   stage: deploy-special
   <<: *packet
   when: manual
@@ -108,20 +108,6 @@ packet_centos7-calico-ha:
   except: ['triggers']
   only: ['master', /^pr-.*$/]
 
-packet_centos7-cilium:
-  stage: deploy-special
-  <<: *packet
-  when: manual
-  except: ['triggers']
-  only: ['master', /^pr-.*$/]
-
-packet_rhel7-cilium:
-  stage: deploy-special
-  <<: *packet
-  when: manual
-  except: ['triggers']
-  only: ['master', /^pr-.*$/]
-
 packet_centos7-kube-router:
   stage: deploy-special
   <<: *packet

tests/files/gce_centos7-cilium.yml

----
-# Instance settings
-cloud_image_family: centos-7
-cloud_region: us-central1-c
-cloud_machine_type: "n1-standard-1"
-mode: default
-
-# Deployment settings
-kube_network_plugin: cilium
-deploy_netchecker: true
-enable_network_policy: true
-dns_min_replicas: 1
-cloud_provider: gce

tests/files/gce_rhel7-cilium.yml

----
-# Instance settings
-cloud_image_family: rhel-7
-cloud_region: us-central1-b
-mode: default
-
-# Deployment settings
-kube_network_plugin: cilium
-deploy_netchecker: true
-enable_network_policy: true
-dns_min_replicas: 1
-cloud_provider: gce

tests/files/gce_ubuntu-cilium-sep.yml → tests/files/gce_ubuntu18-cilium-sep.yml

 ---
 # Instance settings
-cloud_image_family: ubuntu-1604-lts
+cloud_image_family: ubuntu-1804-lts
 cloud_region: us-central1-b
 mode: separate
 

tests/files/packet_centos7-cilium.yml

----
-# Instance settings
-cloud_image: centos-7
-mode: default
-
-# Kubespray settings
-kube_network_plugin: cilium
-deploy_netchecker: true
-enable_network_policy: true
-dns_min_replicas: 1

tests/files/packet_rhel7-cilium.yml

----
-# Instance settings
-cloud_image: rhel-server-7
-mode: default
-
-# Kubespray settings
-kube_network_plugin: cilium
-deploy_netchecker: true
-enable_network_policy: true
-dns_min_replicas: 1

tests/files/packet_ubuntu-cilium-sep.yml → tests/files/packet_ubuntu18-cilium-sep.yml

 ---
 # Instance settings
-cloud_image: ubuntu-1604
+cloud_image: ubuntu-1804
 mode: separate
 
 # Kubespray settings