Change compute reference to login

Because compute and login nodes are basically the same except login node
does not need slurmd and we don't use compute image anywhere. So use it
to build login image and change its references in CI script

.gitlab-ci.yml

@@ -136,7 +136,7 @@ build_ssh_proxy_image:
     - if: $PIPELINE_TARGET == "build" && $BUILD_TARGET == "ssh-proxy"
       when: always
 
-.build_compute_image_template: &build_compute_image_template
+.build_login_image_template: &build_login_image_template
   script:
     - *update_ansible_repo
     - *get_ansible_files
@@ -151,18 +151,18 @@ build_ssh_proxy_image:
         export PKR_VAR_image_name="${BUILD_TARGET}-${BUILD_DATE}"
       fi
     # packer commands
-    - packer init openstack-compute
-    - packer validate openstack-compute
-    - packer build -machine-readable openstack-compute | tee compute_build.log
-    - export BUILT_COMPUTE_IMAGE_ID=$(grep 'Image:' compute_build.log | awk '{print $4}')
-    - echo BUILT_COMPUTE_IMAGE_ID=${BUILT_COMPUTE_IMAGE_ID} | tee -a $CI_PROJECT_DIR/image.env
+    - packer init openstack-login
+    - packer validate openstack-login
+    - packer build -machine-readable openstack-login | tee login_build.log
+    - export BUILT_LOGIN_IMAGE_ID=$(grep 'Image:' login_build.log | awk '{print $4}')
+    - echo BUILT_LOGIN_IMAGE_ID=${BUILT_LOGIN_IMAGE_ID} | tee -a $CI_PROJECT_DIR/image.env
     # set image properties with repo state
-    - openstack image set --property EXT_PR_SRC_REPO=${EXT_PR_SRC_REPO} --property EXT_PR_SRC_BRANCH_SHA=${EXT_PR_SRC_BRANCH_SHA} --property EXT_PR_TARGET_REPO=${EXT_PR_TARGET_REPO} --property EXT_PR_TARGET_BRANCH_SHA=${EXT_PR_TARGET_BRANCH_SHA} --property PACKER_IMAGE_HEAD=${PACKER_IMAGE_HEAD} ${BUILT_COMPUTE_IMAGE_ID}
+    - openstack image set --property EXT_PR_SRC_REPO=${EXT_PR_SRC_REPO} --property EXT_PR_SRC_BRANCH_SHA=${EXT_PR_SRC_BRANCH_SHA} --property EXT_PR_TARGET_REPO=${EXT_PR_TARGET_REPO} --property EXT_PR_TARGET_BRANCH_SHA=${EXT_PR_TARGET_BRANCH_SHA} --property PACKER_IMAGE_HEAD=${CI_COMMIT_SHORT_SHA} ${BUILT_LOGIN_IMAGE_ID}
   artifacts:
     reports:
       dotenv: image.env
 
-build_compute_image:
+build_login_image:
   stage: build
   environment:
     name: $ENV
@@ -170,9 +170,9 @@ build_compute_image:
     - build
   variables:
     PROXY_ENABLE_VAR: "enable_compute"
-  <<: *build_compute_image_template
+  <<: *build_login_image_template
   rules:
-    - if: $PIPELINE_TARGET == "build" && $BUILD_TARGET == "compute"
+    - if: $PIPELINE_TARGET == "build" && $BUILD_TARGET == "login"
       when: always
 
 deploy_http_proxy_node:
@@ -276,14 +276,14 @@ deploy_ssh_proxy_node:
     - if: $PIPELINE_TARGET == "deploy" && $SSH_PROXY_IMAGE_ID
       when: always
 
-deploy_compute_node:
+deploy_login_node:
   stage: deploy
   environment:
     name: $ENV
   tags:
     - build
   script:
-    - openstack image set --accept $compute-${BUILD_DATE} || true
+    - openstack image set --accept $login-${BUILD_DATE} || true
     - FAILED=false
     - |
       cat > user_data.txt <<EOF