Basic ability to add and list items in DynamoDB, but there is a whole slew of additional things to consider.

* Catch and return errors as json (otherwise the backend blows up)
* Added Boto3 (AWS library) as a dependency
* Not sure if it's right, but tried to divide the auth and commands.

.gitignore

@@ -128,3 +128,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+# IDEs
+.idea

app.py

@@ -93,12 +93,24 @@ def auth_callback(plugin_display_name, auth_name):
 def do_command(plugin_display_name, command_name):
     command = PluginService.command_named(plugin_display_name, command_name)
     if command is None:
-        return Response('Command not found', status=404)
+        return json_error_response(f'Command not found: {plugin_display_name}:{command_name}', status=404)
 
     params = request.args.to_dict()
+    try:
         result = command(**params).execute()
+    except Exception as e:
+        return json_error_response(f'Error encountered when executing {plugin_display_name}:{command_name} {str(e)}',
+                        status=404)
+
+    return Response(result['response'], mimetype=result['mimetype'], status=200)
+
+def json_error_response(message, status):
+    resp = {
+        'error':message,
+        'status':status
+    }
+    return Response(json.dumps(resp), status=status)
 
-    return Response(result['response'], status=result['status'], mimetype=result['mimetype'])
 
 # TODO move out to own home
 import importlib

connectors/connector-aws/.gitignore

@@ -0,0 +1,129 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/

connectors/connector-aws/connector_aws/auths/simpleAuth.py

@@ -0,0 +1,30 @@
+import boto3
+from botocore.config import Config
+
+
+class SimpleAuth:
+    """Established a simple Boto 3 Client based on an access key and a secret key"""
+
+    def __init__(self,  resource_type: str, access_key: str, secret_key: str):
+        """
+        :param access_key: AWS Access Key
+        :param secret_key: AWS Secret Key
+        """
+
+        my_config = Config(
+            region_name='us-east-1',
+            signature_version='v4',
+            retries={
+                'max_attempts': 10,
+                'mode': 'standard'
+            }
+        )
+
+        # Get the service resource.
+        self.resource = boto3.resource(resource_type,
+                                       aws_access_key_id=access_key,
+                                       aws_secret_access_key=secret_key,
+                                       config=my_config)
+
+    def get_resource(self):
+        return self.resource

connectors/connector-aws/connector_aws/commands/addDynamoItem.py

@@ -0,0 +1,39 @@
+import json
+
+import boto3
+from botocore.config import Config
+from botocore.exceptions import ClientError
+
+from connector_aws.auths.simpleAuth import SimpleAuth
+
+
+class AddDynamoItem:
+    """Add a new record to a dynamo db table."""
+
+    def __init__(self, access_key: str, secret_key: str, table_name: str, item_data: str):
+        """
+        :param access_key: AWS Access Key
+        :param secret_key: AWS Secret Key
+        :param table_name: The name of hte Dynamo DB table to add information to.
+        :param item_data: The data to add
+        :return: Json Data structure containing a http status code (hopefully '200' for success..)
+            and a response string.
+        """
+        # Get the service resource.
+        self.dynamodb = SimpleAuth('dynamodb', access_key, secret_key).get_resource()
+
+
+        # Instantiate a table resource object without actually
+        # creating a DynamoDB table. Note that the attributes of this table
+        # are lazy-loaded: a request is not made nor are the attribute
+        # values populated until the attributes
+        # on the table resource are accessed or its load() method is called.
+        self.table = self.dynamodb.Table(table_name)
+        self.item_data = json.loads(item_data)
+
+    def execute(self):
+        result = self.table.put_item(Item=self.item_data)
+        if 'ResponseMetadata' in result:
+            del result['ResponseMetadata']
+        result_str = json.dumps(result)
+        return dict(response=result_str, mimetype='application/json')

connectors/connector-aws/connector_aws/commands/queryDynamoTable.py

@@ -0,0 +1,31 @@
+import json
+
+import boto3
+from botocore.config import Config
+from botocore.exceptions import ClientError
+
+from connector_aws.auths.simpleAuth import SimpleAuth
+
+
+class QueryDynamoTable:
+    """Return all records for a given partition key"""
+
+    def __init__(self, access_key: str, secret_key: str, table_name: str, key: str):
+        """
+        :param access_key: AWS Access Key
+        :param secret_key: AWS Secret Key
+        :param table_name: The name of hte Dynamo DB table to add information to.
+        :param key: The partition key for what to return.
+        :return: Json Data structure containing the requested data.
+        """
+
+        self.dynamodb = SimpleAuth('dynamodb', access_key, secret_key).get_resource()
+        self.table = self.dynamodb.Table(table_name)
+        self.key = key
+
+    def execute(self):
+        result = self.table.get_item(Key={"primaryKeyName": self.key})
+        if 'ResponseMetadata' in result:
+            del result['ResponseMetadata']
+        result_str = json.dumps(result)
+        return dict(response=result_str, mimetype='application/json')

connectors/connector-aws/connector_aws/commands/scanDynamoTable.py

@@ -0,0 +1,28 @@
+import json
+
+import boto3
+from botocore.config import Config
+from botocore.exceptions import ClientError
+
+from connector_aws.auths.simpleAuth import SimpleAuth
+
+
+class ScanDynamoTable:
+    """Return all records in a given table.  Potentially very expensive."""
+
+    def __init__(self, access_key: str, secret_key: str, table_name: str):
+        """
+        :param access_key: AWS Access Key
+        :param secret_key: AWS Secret Key
+        :param table_name: The name of hte Dynamo DB table to scan
+        :return: Json Data structure containing the requested data.
+        """
+        self.dynamodb = SimpleAuth('dynamodb', access_key, secret_key).get_resource()
+        self.table = self.dynamodb.Table(table_name)
+
+    def execute(self):
+        result = self.table.scan()
+        if 'ResponseMetadata' in result:
+            del result['ResponseMetadata']
+        result_str = json.dumps(result)
+        return dict(response=result_str, mimetype='application/json')

connectors/connector-aws/connector_aws/commands/uploadFile.py

@@ -0,0 +1,45 @@
+import boto3
+from botocore.config import Config
+from botocore.exceptions import ClientError
+
+from connector_aws.auths.simpleAuth import SimpleAuth
+
+
+class UploadFile:
+    """ AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY need to be set in the environment for
+    BOTO3 to make the correct call. """
+
+    def __init__(self, access_key: str, secret_key: str,
+                 file_name: str, file_data:bytes, bucket: str, object_name: str):
+        """
+        :param access_key: AWS Access Key
+        :param secret_key: AWS Secret Key
+        :param file_name: File to upload
+        :param file_data: Contents of file to be uploaded
+        :param bucket: Bucket to upload to
+        :param object_name: S3 object name. If not specified then file_name is used
+        :return: Json Data structure containing a http status code (hopefully '200' for success..)
+            and a response string.
+        """
+        self.client = SimpleAuth('kinesis', access_key, secret_key).get_resource()
+        self.file_name = file_name
+        self.file_data = file_data
+        self.bucket = bucket
+        self.object_name = object_name
+
+    def execute(self):
+
+        # If S3 object_name was not specified, use file_name
+        if self.object_name is None:
+            self.object_name = self.file_name
+
+        # Upload the file
+        try:
+            response = self.client.upload_file(self.file_name, self.bucket, self.object_name)
+        except ClientError as e:
+            response = f'{ "error": "AWS Excetion {e}" }'
+        return {
+            'response': 'success',
+            'status': response.status_code,
+            'mimetype': 'application/json'
+        }

connectors/connector-aws/pyproject.toml

@@ -0,0 +1,15 @@
+[tool.poetry]
+name = "connector-aws"
+version = "0.1.0"
+description = ""
+authors = ["Dan Funk <dan@sartography.com>"]
+
+[tool.poetry.dependencies]
+python = "^3.10"
+boto3 = "^1.27.81"
+
+[tool.poetry.dev-dependencies]
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"

poetry.lock

@@ -1,3 +1,35 @@
+[[package]]
+name = "boto3"
+version = "1.24.81"
+description = "The AWS SDK for Python"
+category = "main"
+optional = false
+python-versions = ">= 3.7"
+
+[package.dependencies]
+botocore = ">=1.27.81,<1.28.0"
+jmespath = ">=0.7.1,<2.0.0"
+s3transfer = ">=0.6.0,<0.7.0"
+
+[package.extras]
+crt = ["botocore[crt] (>=1.21.0,<2.0a0)"]
+
+[[package]]
+name = "botocore"
+version = "1.27.81"
+description = "Low-level, data-driven core of boto 3."
+category = "main"
+optional = false
+python-versions = ">= 3.7"
+
+[package.dependencies]
+jmespath = ">=0.7.1,<2.0.0"
+python-dateutil = ">=2.1,<3.0.0"
+urllib3 = ">=1.25.4,<1.27"
+
+[package.extras]
+crt = ["awscrt (==0.14.0)"]
+
 [[package]]
 name = "cachelib"
 version = "0.9.0"
@@ -44,6 +76,22 @@ category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[[package]]
+name = "connector-aws"
+version = "0.1.0"
+description = ""
+category = "main"
+optional = false
+python-versions = "^3.10"
+develop = true
+
+[package.dependencies]
+boto3 = "^1.24.80"
+
+[package.source]
+type = "directory"
+url = "connectors/connector-aws"
+
 [[package]]
 name = "connector-bamboohr"
 version = "0.1.0"
@@ -60,6 +108,22 @@ requests = "^2.28.1"
 type = "directory"
 url = "connectors/connector-bamboohr"
 
+[[package]]
+name = "connector-waku"
+version = "0.1.0"
+description = ""
+category = "main"
+optional = false
+python-versions = "^3.10"
+develop = true
+
+[package.dependencies]
+requests = "^2.28.1"
+
+[package.source]
+type = "directory"
+url = "connectors/connector-waku"
+
 [[package]]
 name = "connector-xero"
 version = "0.1.0"
@@ -167,6 +231,14 @@ MarkupSafe = ">=2.0"
 [package.extras]
 i18n = ["Babel (>=2.7)"]
 
+[[package]]
+name = "jmespath"
+version = "1.0.1"
+description = "JSON Matching Expressions"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
 [[package]]
 name = "markupsafe"
 version = "2.1.1"
@@ -233,6 +305,20 @@ requests = ">=2.0.0"
 [package.extras]
 rsa = ["oauthlib[signedtoken] (>=2.1.0,<3.0.0)"]
 
+[[package]]
+name = "s3transfer"
+version = "0.6.0"
+description = "An Amazon S3 Transfer Manager"
+category = "main"
+optional = false
+python-versions = ">= 3.7"
+
+[package.dependencies]
+botocore = ">=1.12.36,<2.0a.0"
+
+[package.extras]
+crt = ["botocore[crt] (>=1.20.29,<2.0a.0)"]
+
 [[package]]
 name = "setuptools"
 version = "65.3.0"
@@ -297,9 +383,17 @@ urllib3 = "*"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10"
-content-hash = "0eb091f1ca8474234eb6645715477ea69507e2a66773cd0669f53b85d5054136"
+content-hash = "2f3ea439d480007afde2a86e758449d71e9ac3708b13573cf9d475d84f31c39e"
 
 [metadata.files]
+boto3 = [
+    {file = "boto3-1.24.81-py3-none-any.whl", hash = "sha256:a84f11ba5d369ee4bb3e6d4c9595fe05c8c804ab9b817e578f87d956b803dcfc"},
+    {file = "boto3-1.24.81.tar.gz", hash = "sha256:75defbacdeb48b7fb321c2e283bc57b270595467e873c401b7914a79efd372c7"},
+]
+botocore = [
+    {file = "botocore-1.27.81-py3-none-any.whl", hash = "sha256:ad789bfc36ade270671c6846e314193c1968cc3523828aec1e12d012c900652f"},
+    {file = "botocore-1.27.81.tar.gz", hash = "sha256:b6b54560b110666e6f0248c0d39e0588589410186c35f4cee44be847d83fec07"},
+]
 cachelib = [
     {file = "cachelib-0.9.0-py3-none-any.whl", hash = "sha256:811ceeb1209d2fe51cd2b62810bd1eccf70feba5c52641532498be5c675493b3"},
     {file = "cachelib-0.9.0.tar.gz", hash = "sha256:38222cc7c1b79a23606de5c2607f4925779e37cdcea1c2ad21b8bae94b5425a5"},
@@ -320,7 +414,9 @@ colorama = [
     {file = "colorama-0.4.5-py2.py3-none-any.whl", hash = "sha256:854bf444933e37f5824ae7bfc1e98d5bce2ebe4160d46b5edf346a89358e99da"},
     {file = "colorama-0.4.5.tar.gz", hash = "sha256:e6c6b4334fc50988a639d9b98aa429a0b57da6e17b9a44f0451f930b6967b7a4"},
 ]
+connector-aws = []
 connector-bamboohr = []
+connector-waku = []
 connector-xero = []
 Flask = [
     {file = "Flask-2.2.2-py3-none-any.whl", hash = "sha256:b9c46cc36662a7949f34b52d8ec7bb59c0d74ba08ba6cb9ce9adc1d8676d9526"},
@@ -350,6 +446,10 @@ jinja2 = [
     {file = "Jinja2-3.1.2-py3-none-any.whl", hash = "sha256:6088930bfe239f0e6710546ab9c19c9ef35e29792895fed6e6e31a023a182a61"},
     {file = "Jinja2-3.1.2.tar.gz", hash = "sha256:31351a702a408a9e7595a8fc6150fc3f43bb6bf7e319770cbc0db9df9437e852"},
 ]
+jmespath = [
+    {file = "jmespath-1.0.1-py3-none-any.whl", hash = "sha256:02e2e4cc71b5bcab88332eebf907519190dd9e6e82107fa7f83b1003a6252980"},
+    {file = "jmespath-1.0.1.tar.gz", hash = "sha256:90261b206d6defd58fdd5e85f478bf633a2901798906be2ad389150c5c60edbe"},
+]
 markupsafe = [
     {file = "MarkupSafe-2.1.1-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:86b1f75c4e7c2ac2ccdaec2b9022845dbb81880ca318bb7a0a01fbf7813e3812"},
     {file = "MarkupSafe-2.1.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:f121a1420d4e173a5d96e47e9a0c0dcff965afdf1626d28de1460815f7c4ee7a"},
@@ -407,7 +507,10 @@ requests = [
 requests-oauthlib = [
     {file = "requests-oauthlib-1.1.0.tar.gz", hash = "sha256:eabd8eb700ebed81ba080c6ead96d39d6bdc39996094bd23000204f6965786b0"},
     {file = "requests_oauthlib-1.1.0-py2.py3-none-any.whl", hash = "sha256:be76f2bb72ca5525998e81d47913e09b1ca8b7957ae89b46f787a79e68ad5e61"},
-    {file = "requests_oauthlib-1.1.0-py3.7.egg", hash = "sha256:490229d14a98e1b69612dcc1a22887ec14f5487dc1b8c6d7ba7f77a42ce7347b"},
+]
+s3transfer = [
+    {file = "s3transfer-0.6.0-py3-none-any.whl", hash = "sha256:06176b74f3a15f61f1b4f25a1fc29a4429040b7647133a463da8fa5bd28d5ecd"},
+    {file = "s3transfer-0.6.0.tar.gz", hash = "sha256:2ed07d3866f523cc561bf4a00fc5535827981b117dd7876f036b0c1aca42c947"},
 ]
 setuptools = [
     {file = "setuptools-65.3.0-py3-none-any.whl", hash = "sha256:2e24e0bec025f035a2e72cdd1961119f557d78ad331bb00ff82efb2ab8da8e82"},

pyproject.toml

@@ -11,6 +11,7 @@ Flask = "^2.2.2"
 connector-xero = {develop=true, path="connectors/connector-xero"}
 connector-bamboohr = {develop=true, path="connectors/connector-bamboohr"}
 connector-waku = {develop=true, path="connectors/connector-waku"}
+connector-aws = {develop=true, path="connectors/connector-aws"}
 gunicorn = "^20.1.0"
 Flask-OAuthlib = "^0.9.6"
 Flask-Session = "^0.4.0"