CI: get test env config from gitlab

Previous design was put test env config on local runners. It's not easy
to manage as test runners count growing. Now we'll put config files for
test runners to a Gitlab repository. Test runners will get its config
from Gitlab every time before running.

.gitlab-ci.yml

@@ -291,8 +291,7 @@ check_doc_links:
   allow_failure: true
 
   variables:
-    # LOCAL_ENV_CONFIG_PATH: define in template and jobs can overwrite if required
-    LOCAL_ENV_CONFIG_PATH: /home/gitlab-runner/LocalConfig/ESP32_IDF
+    LOCAL_ENV_CONFIG_PATH: $CI_PROJECT_DIR/ci-test-runner-configs/$CI_RUNNER_DESCRIPTION/ESP32_IDF
     BIN_PATH: "$CI_PROJECT_DIR/SSC/ssc_bin/SSC"
     APP_NAME: "ssc"
     LOG_PATH: "$CI_PROJECT_DIR/$CI_BUILD_REF"
@@ -317,6 +316,8 @@ check_doc_links:
     - base64 --decode --ignore-garbage ~/.ssh/id_rsa_base64 > ~/.ssh/id_rsa
     - chmod 600 ~/.ssh/id_rsa
     - echo -e "Host gitlab.espressif.cn\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config
+    # clone local test env configs
+    - git clone $GITLAB_SSH_SERVER/qa/ci-test-runner-configs.git
     # clone test bench
     - git clone $GITLAB_SSH_SERVER/yinling/auto_test_script.git
     - cd auto_test_script
@@ -342,6 +343,8 @@ check_doc_links:
     - base64 --decode --ignore-garbage ~/.ssh/id_rsa_base64 > ~/.ssh/id_rsa
     - chmod 600 ~/.ssh/id_rsa
     - echo -e "Host gitlab.espressif.cn\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config
+    # clone local test env configs
+    - git clone $GITLAB_SSH_SERVER/qa/ci-test-runner-configs.git
     # clone test bench
     - git clone $GITLAB_SSH_SERVER/yinling/auto_test_script.git
     - cd auto_test_script
@@ -355,8 +358,7 @@ check_doc_links:
   stage: unit_test
 
   variables:
-    # jobs MUST set CONFIG_FILE in before_script, and overwrite the variables above if necessary
-    LOCAL_ENV_CONFIG_PATH: /home/gitlab-runner/LocalConfig/ESP32_IDF
+    LOCAL_ENV_CONFIG_PATH: $CI_PROJECT_DIR/ci-test-runner-configs/$CI_RUNNER_DESCRIPTION/ESP32_IDF
     BIN_PATH: "$CI_PROJECT_DIR/tools/unit-test-app/build/"
     LOG_PATH: "$CI_PROJECT_DIR/$CI_BUILD_REF"
     APP_NAME: "ut"