Kubeconfig: switching from kustomize to airshipctl command

Since [1] has been merged it's possible to use
that command to generate kubeconfig in proper
way.

This patchset introduces that changes as well as
cleans up for non-needed anymore due to that changes
steps in gating.

[1]:
https://review.opendev.org/c/airship/airshipctl/+/774709

Change-Id: Ifc07c56c126c782d940a8ca4d111c59c5d3c9c78

tools/deployment/23_generate_secrets.sh

@@ -25,8 +25,13 @@ export EXTERNAL_KUBECONFIG=${EXTERNAL_KUBECONFIG:-""}
 export SITE=${SITE:-"test-site"}
 
 if [[ -z "$EXTERNAL_KUBECONFIG" ]]; then
-   # TODO: use airshipctl cluster get-kubeconfig command when it's implemented
-   KUSTOMIZE_PLUGIN_HOME=./ kustomize build --enable_alpha_plugins "${AIRSHIP_CONFIG_MANIFEST_DIRECTORY}/$(basename ${AIRSHIP_CONFIG_PHASE_REPO_URL})/manifests/site/$SITE/kubeconfig/" | yq '.config' --yaml-output > ~/.airship/kubeconfig
+   # we want to take config from bundle - remove kubeconfig file so
+   # airshipctl could regenerated it from kustomize
+   [ -f "~/.airship/kubeconfig" ] && rm ~/.airship/kubeconfig
+   # we need to use tmp file, because airshipctl uses it and fails
+   # if we write directly
+   airshipctl cluster get-kubeconfig > ~/.airship/tmp-kubeconfig
+   mv ~/.airship/tmp-kubeconfig ~/.airship/kubeconfig
 fi
 
 #backward compatibility with previous behavior

tools/gate/00_setup.sh

@@ -36,7 +36,7 @@ sudo apt update
 sudo DEBIAN_FRONTEND=noninteractive apt -y install software-properties-common python3-pip curl wget ca-certificates
 sudo DEBIAN_FRONTEND=noninteractive apt -y --no-install-recommends install docker.io make
 
-PACKAGES="yq ansible netaddr"
+PACKAGES="ansible netaddr"
 if [[ -z "${http_proxy}" ]]; then
   sudo pip3 install $PACKAGES
 else

zuul.d/jobs.yaml

@@ -126,8 +126,6 @@
     vars:
       site_name: test-site
       gate_scripts:
-        - ./tools/deployment/provider_common/03_install_pip.sh
-        - ./tools/deployment/provider_common/04_install_yq.sh
         - ./tools/deployment/01_install_kubectl.sh
         # 21_systemwide_executable.sh is run in the build-gate pre-run above
         - ./tools/deployment/22_test_configs.sh