Merge pull request netenglabs#937 from Sepehr-A/issue-845

Make username also an env var for poller

docs/inventory.md

@@ -69,6 +69,22 @@ auths:
 - name: suzieq-user-04
   key-passphrase: ask
   keyfile: path/to/key
+
+- name: suzieq-user-05
+  username: ask
+  password: ask
+
+- name: suzieq-user-06
+  username: env:USERNAME_ENV_VAR
+  password: ask
+
+- name: suzieq-user-07
+  username: env:USERNAME_ENV_VAR
+  password: env:PASSWORD_ENV_VAR
+
+- name: suzieq-user-08
+  username: ask
+  password: env:PASSWORD_ENV_VAR
 
 namespaces:
 - name: testing
@@ -80,7 +96,7 @@ namespaces:
 !!! warning
     Some observations on the YAML file above:
 
-    - **This is just an example** that covers all the possible combinations, **not an real life inventory**
+    - **This is just an example** that covers most of the possible combinations, **not an real life inventory**
     - **Do not specify device type unless you're using REST**. SuzieQ automatically determines device type with SSH
     - Most environments require setting the `ignore-known-hosts` option in the device section
     - The auths section shows all the different authorization methods supported by SuzieQ
@@ -95,7 +111,8 @@ For this reason, SuzieQ inventory now supports three different options to store
 - `env:<ENV_VARIABLE>`: the sensitive information is stored in an environment variable
 - `ask`: the user can write the sensitive information on the stdin
 
-Currently this method is used to specify passwords, passphrases and tokens.
+This method is currently utilized for specifying usernames, passwords,
+passphrases, and tokens.
 
 ## <a name='inventory-sources'></a>Sources
 
@@ -323,8 +340,10 @@ In case a private key is used to authenticate:
 
 Where `key-passphrase` is the passphrase of the private key.
 
-Both `passoword` and `key-passphrase` are considered [sensitive data](#sensitive-data).
-For this reason they can be set as plaintext, env variable or asked to the user via stdin.
+`Password`, `key-passphrase` and `username` are considered [sensitive 
+data](#sensitive-data).
+For this reason they can be set as plaintext, env variable or
+asked to the user via stdin.
 
 ### <a name='cred-file'></a>Credential file
 

suzieq/poller/controller/credential_loader/static.py

@@ -5,8 +5,8 @@
 
 from suzieq.poller.controller.credential_loader.base_credential_loader import \
     CredentialLoader, CredentialLoaderModel, check_credentials
-from suzieq.shared.utils import get_sensitive_data
 from suzieq.shared.exceptions import SensitiveLoadError, InventorySourceError
+from suzieq.shared.utils import get_sensitive_data
 
 
 class StaticModel(CredentialLoaderModel):
@@ -18,7 +18,7 @@ class StaticModel(CredentialLoaderModel):
     keyfile: Optional[str]
     enable_password: Optional[str] = Field(alias='enable-password')
 
-    @validator('password', 'key_passphrase', 'enable_password')
+    @validator('username', 'password', 'key_passphrase', 'enable_password')
     def validate_sens_field(cls, field):
         """Validate if the sensitive var was passed correctly
         """
@@ -57,6 +57,14 @@ def init(self, init_data: dict):
             init_data['key_passphrase'] = init_data.pop('key-passphrase', None)
         super().init(init_data)
 
+        if self._data.username == 'ask':
+            try:
+                self._data.username = get_sensitive_data(
+                    self._data.username,
+                    f'{self.name} Username to login to device: ')
+            except SensitiveLoadError as e:
+                raise InventorySourceError(f'{self.name} {e}')
+
         if self._data.password == 'ask':
             try:
                 self._data.password = get_sensitive_data(

tests/unit/poller/controller/credential_loader/static/test_static_loader.py

@@ -1,7 +1,8 @@
 from typing import Dict
-from pydantic import ValidationError
 
 import pytest
+from pydantic import ValidationError
+
 from suzieq.poller.controller.credential_loader.static import (StaticLoader,
                                                                StaticModel)
 from tests.unit.poller.shared.utils import read_yaml_file
@@ -84,30 +85,38 @@ def test_variables_init(monkeypatch):
     """
     ask_password = 'ask_password'
     env_password = 'env_password'
+    ask_username = 'ask_username'
+    env_username = 'env_username'
     plain_passphrase = 'my-pass'
 
     # 'env' and 'plain' values
     init_data = {
         'name': 'n',
+        'username': 'env:SUZIEQ_ENV_USERNAME',
         'key-passphrase': f'plain:{plain_passphrase}',
         'password': 'env:SUZIEQ_ENV_PASSWORD'
     }
     monkeypatch.setenv('SUZIEQ_ENV_PASSWORD', env_password)
+    monkeypatch.setenv('SUZIEQ_ENV_USERNAME', env_username)
     sl = StaticModel(**init_data)
 
     assert sl.key_passphrase == plain_passphrase
     assert sl.password == env_password
+    assert sl.username == env_username
 
     # 'ask' values
     init_data = {
         'name': 'n',
+        'username': 'ask',
         'password': 'ask'
     }
     valid_data = StaticModel(**init_data).dict(by_alias=True)
-    monkeypatch.setattr('getpass.getpass', lambda x: ask_password)
+    mock_get_pass = MockGetPass([ask_username, ask_password])
+    monkeypatch.setattr('getpass.getpass', mock_get_pass)
     sl = StaticLoader(valid_data)
 
     assert sl._data.password == ask_password
+    assert sl._data.username == ask_username
 
     # unknown parameter
     init_data = {
@@ -117,3 +126,40 @@ def test_variables_init(monkeypatch):
     }
     with pytest.raises(ValidationError):
         StaticModel(**init_data)
+
+
+class MockGetPass:
+    """
+   Mocks `getpass.getpass` for testing, cycling through a list of predefined
+   responses.
+
+   Attributes:
+       responses (list): A list of responses to simulate sequential user inputs.
+       call_count (int): Tracks calls to provide the next response in the list.
+   """
+
+    def __init__(self, responses: list):
+        """
+        Initializes the mock with responses and resets call count.
+
+        Args:
+            responses: Simulated user inputs.
+        """
+        self.responses = responses
+        self.call_count = 0
+
+    def __call__(self, prompt=''):
+        """
+        Returns the next response from the list, mimicking user input.
+
+        Args:
+            prompt: Unused, present for compatibility.
+
+        Returns:
+            The next simulated user input.
+        """
+        response = self.responses[self.call_count]
+        self.call_count += 1
+        if self.call_count >= len(self.responses):
+            self.call_count = 0
+        return response