Slack Lambda Functions for Door43

Installing Project Requirements

In terminal set up virtual environment:

source ~/<path_to_venv>/bin/activate

Next install requirements:

cd ~/Projects/slack-lambda
./install-requirements.sh

Deploying with Apex

Need to first set up AWS credentials (see configuring AWS CLI below).

cd ~/Projects/slack-lambda
apex --env test deploy

Configure API Gateway

• In the AWS console, select API Gateway.
• Click on Create API
• Select New Api and set API name to slack_invite
• Click on Create API
• Click on Actions and select Create Resource
• Set Resource Name to slack_invite.
• Click on Create Resource
• Select /invite
• Click on Actions and select Create Method
• Select GET and click on checkmark.
• Click on method GET.
• Under GET - Setup
• Click on Lambda Function
• Set Lambda Region to us-west-2.
• Set Lambda Function to slack-invite.
• Click on Save
• Click on Method Request and enter the URL Query String Parameters needed.
• Click back.
• Click on Integration Request.
• Expand Body Mapping Templates.
• Select When no template matches the request Content-Type header.
• Click Add a mapping template.
• Enter application/json and then select Method Request passthrough from the Generate template dropdown.
• Click Save.
• Click back.
• Click Integration Response.
• Click the drop-down arrow in the first row.
• Drop down Body Mapping Template.
• Click Add mapping template.
• Enter application/json and then enter $util.parseJson($input.json('$')) in the template area.
• Click Save.
• Click on drop down Body Mapping Template to compact.
• Click Save.
• Click on the Actions button and pick Deploy API.
• Pick prod for the stage and click Deploy.
• Prod Stage Editor pops up. Click on Save Changes

Installing Travis CLI

NOTE: Ruby is required. I used Ruby version 2.2.2 and it worked.

gem install travis --no-rdoc --no-ri
ln -s ~/.rbenv/versions/2.2.2/bin/travis ~/.local/bin/travis

Installing AWS CLI

sudo apt install awscli

Configuring AWS CLI

aws configure

Installing Apex

sudo curl https://raw.githubusercontent.com/apex/apex/master/install.sh | sudo sh

Encrypting the Slack API Token

Follow on-screen prompts:

python encrypt_token.py