add log level as envvar and testing

iotedgedev/envvars.py

@@ -117,6 +117,7 @@ def load(self, force=False):
                 self.CONTAINER_TAG = self.get_envvar("CONTAINER_TAG")
                 self.RUNTIME_TAG = self.get_envvar("RUNTIME_TAG")
                 self.RUNTIME_VERBOSITY = self.get_envvar("RUNTIME_VERBOSITY")
+                self.RUNTIME_LOG_LEVEL = self.get_envvar("RUNTIME_LOG_LEVEL", default="info")
                 self.CONFIG_OUTPUT_DIR = self.get_envvar("CONFIG_OUTPUT_DIR", default="config")
                 self.DEPLOYMENT_CONFIG_FILE = self.get_envvar("DEPLOYMENT_CONFIG_FILE", altkeys=['MODULES_CONFIG_FILE'])
                 self.DEPLOYMENT_CONFIG_FILE_PATH = os.path.join(self.CONFIG_OUTPUT_DIR, self.DEPLOYMENT_CONFIG_FILE)

iotedgedev/template/.env.tmp

@@ -44,6 +44,9 @@ RUNTIME_TAG="1.0-preview"
 RUNTIME_VERBOSITY="INFO"
     # "DEBUG", "INFO", "ERROR", "WARNING"
 
+RUNTIME_LOG_LEVEL="info"
+    # "debug", "info"
+
 #
 # MODULES
 #

iotedgedev/template/runtime.template.json

@@ -23,7 +23,7 @@
   "homeDir": "${RUNTIME_HOME_DIR}", 
   "configDir": "${RUNTIME_CONFIG_DIR}", 
   "hostName": "${RUNTIME_HOST_NAME}", 
-  "logLevel": "info", 
+  "logLevel": "${RUNTIME_LOG_LEVEL}",
   "schemaVersion": "1", 
   "security": {
     "certificates": {

tests/test_envvars.py

@@ -0,0 +1,49 @@
+import pytest
+
+from iotedgedev.envvars import EnvVars
+from iotedgedev.output import Output
+
+def test_valid_get_envvar():
+    output = Output()
+    envvars = EnvVars(output)
+    loglevel = envvars.get_envvar("RUNTIME_LOG_LEVEL")
+    assert loglevel == "info" or "debug"
+
+def test_invalid_get_envvar():
+    output = Output()
+    envvars = EnvVars(output)
+    testerval = envvars.get_envvar("TESTER")
+    assert not testerval
+
+def test_valid_load():
+    output = Output()
+    envvars = EnvVars(output)
+    envvars.load()
+    assert envvars.RUNTIME_LOG_LEVEL == "info" or "debug"
+
+def test_valid_verify_envvar_has_val():
+    output = Output()
+    envvars = EnvVars(output)
+    envvars.load()
+    result = envvars.verify_envvar_has_val("RUNTIME_LOG_LEVEL", envvars.RUNTIME_LOG_LEVEL)
+    assert not result
+
+def test_valid_get_envvar_key_if_val():
+    output = Output()
+    envvars = EnvVars(output)
+    assert envvars.get_envvar_key_if_val("RUNTIME_LOG_LEVEL")
+
+def test_invalid_get_envvar_key_if_val():
+    output = Output()
+    envvars = EnvVars(output)
+    assert not envvars.get_envvar_key_if_val("TESTER")
+
+def test_set_envvar():
+    output = Output()
+    envvars = EnvVars(output)
+    loglevel = envvars.get_envvar("RUNTIME_LOG_LEVEL")
+    envvars.set_envvar("RUNTIME_LOG_LEVEL", "debug")
+    setlevel = envvars.get_envvar("RUNTIME_LOG_LEVEL")
+    assert setlevel == "debug"
+    envvars.set_envvar("RUNTIME_LOG_LEVEL", loglevel)
+