TUN-9800: Migrate cloudflared-ci pipelines to Gitlab CI

## Summary

This commit migrates the cloduflared ci pipelines, that built, tested and component tested the linux binaries to gitlab ci.

The only thing that is remaining to move from teamcity to gitlab are now the release pipelines that run on master.

Relates to TUN-9800

component-tests/test_service.py

@@ -9,7 +9,7 @@ import pytest
 
 import test_logging
 from conftest import CfdModes
-from util import select_platform, start_cloudflared, wait_tunnel_ready, write_config
+from util import select_platform, skip_on_ci, start_cloudflared, wait_tunnel_ready, write_config
 
 
 def default_config_dir():
@@ -82,6 +82,7 @@ class TestServiceMode:
         os.remove(default_config_file())
         self.launchctl_cmd("list", success=False)
 
+    @skip_on_ci("we can't run sudo command on CI")
     @select_platform("Linux")
     @pytest.mark.skipif(os.path.exists("/etc/cloudflared/config.yml"),
                         reason=f"There is already a config file in default path")
@@ -98,6 +99,7 @@ class TestServiceMode:
 
         self.sysv_service_scenario(config, tmp_path, assert_log_file)
 
+    @skip_on_ci("we can't run sudo command on CI")
     @select_platform("Linux")
     @pytest.mark.skipif(os.path.exists("/etc/cloudflared/config.yml"),
                         reason=f"There is already a config file in default path")
@@ -116,6 +118,7 @@ class TestServiceMode:
 
         self.sysv_service_scenario(config, tmp_path, assert_rotating_log)
 
+    @skip_on_ci("we can't run sudo command on CI")
     @select_platform("Linux")
     @pytest.mark.skipif(os.path.exists("/etc/cloudflared/config.yml"),
                         reason=f"There is already a config file in default path")

component-tests/util.py

@@ -10,7 +10,6 @@ import pytest
 
 import requests
 import yaml
-import json
 from retrying import retry
 
 from constants import METRICS_PORT, MAX_RETRIES, BACKOFF_SECS
@@ -35,6 +34,12 @@ def fips_enabled():
 nofips = pytest.mark.skipif(
         fips_enabled(), reason=f"Only runs without FIPS (COMPONENT_TESTS_FIPS=0)")
 
+def skip_on_ci(reason):
+    env_ci = os.getenv("CI")
+    running_in_ci = env_ci is not None and env_ci != "0"
+    return pytest.mark.skipif(
+        running_in_ci, reason=f"This test can't run on CI due to: {reason}")
+
 def write_config(directory, config):
     config_path = directory / "config.yml"
     with open(config_path, 'w') as outfile: