manifest.yaml

# Manifest for openwhisk-data-processing-cloudant
# Repo is located at https://github.com/IBM/openwhisk-data-processing-cloudant
# Installing openwhisk actions, triggers, and rules for Cloudant sample

# Deployment using this manifest file creates following OpenWhisk components:
#   Package:    openwhisk-cloudant
#   Package:    data-processing
#   Action:     data-processing/write-to-cloudant
#   Action:     data-processing/write-from-cloudant
#   Sequence:   data-processing/write-from-cloudant-sequence
#   Trigger:    image-uploaded
#   Rule:       echo-images

# This manifest file expects following env. variables:
#   CLOUDANT_HOSTNAME
#   CLOUDANT_USERNAME
#   CLOUDANT_PASSWORD
#   CLOUDANT_DATABASE
package:
    name: data-processing
    namespace: _
    dependencies:
        # binding cloudant package named openwhisk-cloudant
        openwhisk-cloudant:
            location: /whisk.system/cloudant
            inputs:
                username: $CLOUDANT_USERNAME
                password: $CLOUDANT_PASSWORD
                host: $CLOUDANT_HOSTNAME
    triggers:
        # Trigger named "image-uploaded"
        # Creating trigger to fire events when data is inserted
        image-uploaded:
            source: openwhisk-cloudant/changes
            inputs:
                dbname: $CLOUDANT_DATABASE
    actions:
        # Action named "write-to-cloudant"
        # Creating action that is manually invoked to write to the database
        write-to-cloudant:
            location:  actions/write-to-cloudant.js
            inputs:
                CLOUDANT_USERNAME: $CLOUDANT_USERNAME
                CLOUDANT_PASSWORD: $CLOUDANT_PASSWORD
                CLOUDANT_DATABASE: $CLOUDANT_DATABASE
        # Action named "write-from-cloudant"
        # Creating action to respond to database insertions
        write-from-cloudant:
            location: actions/write-from-cloudant.js

    sequences:
        # Sequence named "write-from-cloudant-sequence"
        # Creating sequence that ties database read to handling action
        write-from-cloudant-sequence:
            actions: openwhisk-cloudant/read, write-from-cloudant
    rules:
        # Rule named "echo-images"
        # Creating rule that maps database change trigger to sequence
        echo-images:
            trigger: image-uploaded
            action: data-processing/write-from-cloudant-sequence