feat(core): add slack integration

giges/settings.py

@@ -18,20 +18,23 @@ class BaseSettings:
     SENTRY_URI = ""
     ASANA_TOKEN = os.environ.get("ASANA_TOKEN", "")
     ASANA_WORKSPACE = "1199978051314275"
+    SLACK_TOKEN = os.environ.get("SLACK_TOKEN", "")
+    SLACK_BLOCKS_CHANNEL = ""
 
 
 class ProductionSettings(BaseSettings):
     ENVIRONMENT = "production"
 
     SERVER_BASE_URI = "https://integrations.tesselo.com"
     SENTRY_URI = "https://[email protected]/5911249"  # noqa: E501
+    SLACK_BLOCKS_CHANNEL = "C02GXT5UY22"
 
 
 class StagingSettings(BaseSettings):
     ENVIRONMENT = "staging"
 
-    ASANA_WORKSPACE = "1199978051314275"
     SERVER_BASE_URI = "https://integrations-staging.tesselo.com"
+    SLACK_BLOCKS_CHANNEL = "C021VUWGA3E"  # dev-null
 
 
 class DevelopmentSettings(BaseSettings):
@@ -41,6 +44,7 @@ class DevelopmentSettings(BaseSettings):
     SQLALCHEMY_DATABASE_URI = os.getenv("GIGES_DATABASE_URI") or (
         "postgresql://postgres@localhost:5432/giges_dev"
     )
+    SLACK_BLOCKS_CHANNEL = "C021VUWGA3E"  # dev-null
 
 
 class TestingSettings(BaseSettings):

giges/slack.py

@@ -0,0 +1,25 @@
+from typing import Any
+
+import structlog
+from flask import current_app
+from slack_sdk import WebClient
+from slack_sdk.errors import SlackApiError
+from slack_sdk.web import SlackResponse
+
+logger = structlog.get_logger(__file__)
+
+
+class SlackClient(WebClient):
+    def __init__(self, **kwargs: Any):
+        super().__init__(token=current_app.config["SLACK_TOKEN"], **kwargs)
+
+    def send_message(self, channel: str, message: str) -> SlackResponse:
+        try:
+            return self.chat_postMessage(channel=channel, text=message)
+        except SlackApiError as e:
+            logger.error("Failed to send a message to slack", error=e)
+
+    def send_to_road_blocks(self, message: str) -> SlackResponse:
+        return self.send_message(
+            current_app.config["SLACK_BLOCKS_CHANNEL"], message
+        )

requirements.in

@@ -5,6 +5,7 @@ flask-sqlalchemy
 psycopg2-binary
 zappa
 sentry-sdk[flask]
+slack-sdk
 structlog
 
 # All the package restrictions are due to zappa :(

requirements.txt

@@ -4,7 +4,7 @@
 #
 #    pip-compile --output-file=./requirements.txt requirements.in
 #
-alembic==1.7.1
+alembic==1.7.4
     # via flask-migrate
 argcomplete==1.12.3
     # via zappa
@@ -14,21 +14,21 @@ attrs==21.2.0
     # via jsonschema
 blinker==1.4
     # via sentry-sdk
-boto3==1.18.32
+boto3==1.18.59
     # via
     #   kappa
     #   zappa
-botocore==1.21.32
+botocore==1.21.59
     # via
     #   boto3
     #   s3transfer
-certifi==2021.5.30
+certifi==2021.10.8
     # via
     #   requests
     #   sentry-sdk
-cfn-flip==1.2.3
+cfn-flip==1.3.0
     # via troposphere
-charset-normalizer==2.0.4
+charset-normalizer==2.0.7
     # via requests
 click==7.1.2
     # via
@@ -60,12 +60,14 @@ flask-sqlalchemy==2.5.1
     #   flask-migrate
 future==0.18.2
     # via zappa
-greenlet==1.1.1
+greenlet==1.1.2
     # via sqlalchemy
 hjson==3.0.2
     # via zappa
 idna==3.2
     # via requests
+importlib-metadata==4.8.1
+    # via alembic
 importlib-resources==5.2.2
     # via alembic
 inflection==0.5.1
@@ -83,7 +85,7 @@ jmespath==0.10.0
     #   boto3
     #   botocore
     #   zappa
-jsonschema==3.2.0
+jsonschema==4.1.0
     # via
     #   connexion
     #   openapi-schema-validator
@@ -104,9 +106,9 @@ openapi-spec-validator==0.3.1
     # via connexion
 pep517==0.11.0
     # via pip-tools
-pip-tools==6.2.0
+pip-tools==6.3.1
     # via zappa
-placebo==0.9.0
+placebo==0.10.0
     # via kappa
 psycopg2-binary==2.9.1
     # via -r requirements.in
@@ -136,39 +138,40 @@ requests-oauthlib==1.3.0
     # via asana
 s3transfer==0.5.0
     # via boto3
-sentry-sdk[flask]==1.3.1
+sentry-sdk[flask]==1.4.3
     # via -r requirements.in
 six==1.16.0
     # via
     #   asana
     #   cfn-flip
-    #   jsonschema
     #   openapi-schema-validator
     #   openapi-spec-validator
     #   python-dateutil
     #   zappa
-sqlalchemy==1.4.23
+slack-sdk==3.11.2
+    # via -r requirements.in
+sqlalchemy==1.4.25
     # via
     #   alembic
     #   dictalchemy
     #   flask-sqlalchemy
 structlog==21.1.0
     # via -r requirements.in
-swagger-ui-bundle==0.0.8
+swagger-ui-bundle==0.0.9
     # via connexion
 text-unidecode==1.3
     # via python-slugify
 toml==0.10.2
     # via zappa
 tomli==1.2.1
     # via pep517
-tqdm==4.62.2
+tqdm==4.62.3
     # via zappa
 troposphere==2.7.1
     # via
     #   -r requirements.in
     #   zappa
-urllib3==1.26.6
+urllib3==1.26.7
     # via
     #   botocore
     #   requests
@@ -185,8 +188,10 @@ wsgi-request-logger==0.4.6
     # via zappa
 zappa==0.53.0
     # via -r requirements.in
-zipp==3.5.0
-    # via importlib-resources
+zipp==3.6.0
+    # via
+    #   importlib-metadata
+    #   importlib-resources
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip