Refactor download role (#5697)

* download file

* download containers

* fix push image to nodes

* pull if none image on host

* fix

* improve docker image tag checks.
do not pull already cached images

* rebase fix merge conflict

* add support download_run_once when upgrade and scale cluster
add some test with download_run_once

* set default values to temp flag for every download cycle

* add save,load abilty for containerd and crio when download_run_once=true

* return redefine image save/load command to  set_docker_image_facts.yml

* move set command to set_container_facts

* ctr in containerd_bin_dir

* fix order of ctr image export arguments

* temporary disable download_run_once for containerd and crio
due https://github.com/containerd/containerd/issues/4075

* remove unused files

* fix strict yaml linter warning and errors

* refactor logical conditions to pull and cache container images

* remove comment due lint check

* document role

* remove image_load_on_localhost, because cached images are always loaded to docker on remote sites

* remove XXX from debug output

.gitlab-ci/packet.yml

@@ -68,6 +68,11 @@ packet_ubuntu18-flannel-containerd:
   extends: .packet
   when: manual
 
+packet_ubuntu18-flannel-containerd-once:
+  stage: deploy-part2
+  extends: .packet
+  when: manual
+
 packet_debian9-macvlan-sep:
   stage: deploy-part2
   extends: .packet
@@ -80,6 +85,13 @@ packet_debian9-calico-upgrade:
   variables:
     UPGRADE_TEST: graceful
 
+packet_debian9-calico-upgrade-once:
+  stage: deploy-part2
+  extends: .packet
+  when: on_success
+  variables:
+    UPGRADE_TEST: graceful
+
 packet_debian10-containerd:
   stage: deploy-part2
   extends: .packet
@@ -90,6 +102,11 @@ packet_centos7-calico-ha:
   extends: .packet
   when: manual
 
+packet_centos7-calico-ha-once-localhost:
+  stage: deploy-part2
+  extends: .packet
+  when: manual
+
 packet_centos7-kube-ovn:
   stage: deploy-part2
   extends: .packet