AL-5682: Improve logging for terraform (#114)

Author: Kwaizer

alts/worker/runners/base.py

@@ -659,7 +659,7 @@ def get_test_executor_params(self) -> dict:
 
     def __terraform_init(self):
         with FileLock(TF_INIT_LOCK_PATH, timeout=60, thread_local=False):
-            return local['terraform'].with_cwd(self._work_dir).run(
+            return local['terraform'].with_env(TF_LOG='TRACE').with_cwd(self._work_dir).run(
                 ('init', '-no-color'),
                 timeout=CONFIG.provision_timeout,
             )
@@ -703,7 +703,7 @@ def start_env(self):
         cmd_args = ['apply', '--auto-approve', '-no-color']
         if self.TF_VARIABLES_FILE:
             cmd_args.extend(['--var-file', self.TF_VARIABLES_FILE])
-        return local['terraform'].with_cwd(self._work_dir).run(
+        return local['terraform'].with_env(TF_LOG='TRACE').with_cwd(self._work_dir).run(
             args=cmd_args,
             retcode=None,
             timeout=CONFIG.provision_timeout,
@@ -1494,7 +1494,7 @@ def _stop_env(self):
         cmd_args = ['destroy', '--auto-approve', '-no-color']
         if self.TF_VARIABLES_FILE:
             cmd_args.extend(['--var-file', self.TF_VARIABLES_FILE])
-        return local['terraform'].with_cwd(self._work_dir).run(
+        return local['terraform'].with_env(TF_LOG='TRACE').with_cwd(self._work_dir).run(
             args=cmd_args,
             retcode=None,
             timeout=CONFIG.provision_timeout,
@@ -1715,7 +1715,7 @@ def start_env(self):
         # VM gets its IP address only after deploy.
         # To extract it, the `vm_ip` output should be defined
         # in Terraform main file.
-        ip_exit_code, ip_stdout, ip_stderr = local['terraform'].with_cwd(
+        ip_exit_code, ip_stdout, ip_stderr = local['terraform'].with_env(TF_LOG='TRACE').with_cwd(
             self._work_dir).run(
             args=('output', '-raw',  '-no-color', 'vm_ip'),
             retcode=None,

alts/worker/runners/docker.py

@@ -353,7 +353,7 @@ def clone_third_party_repo(
         return test_repo_path
 
     def _stop_env(self):
-        _, container_id, _ = local['terraform'].with_cwd(
+        _, container_id, _ = local['terraform'].with_env(TF_LOG='TRACE').with_cwd(
             self._work_dir).run(
             args=('output', '-raw', '-no-color', 'container_id'),
             retcode=None,

alts/worker/runners/opennebula.py

@@ -252,7 +252,7 @@ def _stop_env(self):
             'Cannot stop VM conventionally. Output:\n%s\nStderr:\n%s',
             stop_out, stop_err
         )
-        id_exit_code, vm_id, id_stderr = local['terraform'].with_cwd(
+        id_exit_code, vm_id, id_stderr = local['terraform'].with_env(TF_LOG='TRACE').with_cwd(
             self._work_dir).run(
             args=('output', '-raw', '-no-color', 'vm_id'),
             retcode=None,