RHINENG-17708 unleash client setup

Author: r14chandra

ros/lib/config.py

@@ -122,6 +122,11 @@ def build_endpoint_url(ep):
         AWS_REGION_NAME = os.getenv("AWS_REGION_NAME", None)
         AWS_LOG_GROUP = os.getenv("AWS_LOG_GROUP", None)
 
+    # Feature flags
+    UNLEASH_CACHE_DIR = os.getenv("UNLEASH_CACHE_DIR", "/tmp/.unleashcache")
+    UNLEASH_TOKEN = os.getenv("UNLEASH_TOKEN", 'ros:dev.token')
+    UNLEASH_URL = os.getenv("UNLEASH_URL", "http://localhost:3063/api")
+
 DB_URI = f"postgresql://{DB_USER}:{DB_PASSWORD}"\
          f"@{DB_HOST}:{DB_PORT}/{DB_NAME}"
 if DB_SSL_CERTPATH:
@@ -155,6 +160,7 @@ def build_endpoint_url(ep):
     os.getenv("CACHE_TIMEOUT_FOR_DELETED_SYSTEM", "86400"))
 CACHE_KEYWORD_FOR_DELETED_SYSTEM = '_del_'
 POLL_TIMEOUT_SECS = 1.0
+UNLEASH_ROS_V2_FLAG = 'ros.v2'
 
 
 KESSEL_ENABLED = str_to_bool(os.getenv("KESSEL_ENABLED", "False"))

ros/lib/unleash.py

@@ -0,0 +1,18 @@
+from UnleashClient import UnleashClient
+from .config import UNLEASH_URL, UNLEASH_TOKEN, APP_NAME, UNLEASH_CACHE_DIR, get_logger
+import logging
+
+logger = get_logger(__name__)
+
+logging.getLogger('UnleashClient').setLevel(logging.WARNING)
+logging.getLogger('apscheduler').setLevel(logging.WARNING)
+
+unleash_client = UnleashClient(
+    url=UNLEASH_URL,
+    app_name=APP_NAME,
+    custom_headers={"Authorization": UNLEASH_TOKEN},
+    cache_directory=UNLEASH_CACHE_DIR
+)
+
+unleash_client.initialize_client()
+logger.info(f"Unleash client initialized: {unleash_client.is_initialized}")