Table of Contents

Google Cloud Pub/Sub

Active
This application does not need additional settings. So you can make connection only by using your login credentials or by following the instructions below .

Google Cloud Pub/Sub

The Google Cloud Pub/Sub modules enable you to monitor and publish messages or create, update, retrieve, and delete topics and subscriptions in your Google Cloud Pub/Sub.

In order to use Google Cloud Pub/Sub with Boost.space Integrator, it is necessary to have a Google account and a project created in the Google Cloud Console.

	Note
	Boost.space Integrator‘s use and transfer of information received from Google APIs to any other app will adhere to Google API Services User Data Policy.

Connect Google Cloud Pub/Sub to Boost.space Integrator

To connect your Google Cloud Pub/Sub account to Boost.space Integrator, you’ll need to obtain the project’s Client ID and Client Secret in the Google Cloud Console.

Sign in to Google Cloud console using your Google credentials.
Click Select a project > new project. Enter the desired project name and click the create button.
Select the project you have created.
Go to APIs & Services > Library.
Search and enable the following required APIs:
- Cloud Resource Manager API
The desired service option should display as you type. Click on the API/service you want to connect to Boost.space Integrator.
Click the enable button to enable the selected API.
Open APIs & Services > Library, and search and enable the two remaining required APIs (see step 5 above).
Open Big Data > Pub/Sub. This will enable the rest of the required APIs in your project.
Navigate to APIs & Services > OAuth consent screen.
Choose the External option, and click the create button.

Note

You will not be charged when selecting this option! For more details, please refer to Google’s Exceptions to verification requirements.
Fill the required fields as follows and then click the Save and Continue button:

App name

Enter the name of the app asking for consent.

For example Boost.space Integrator.

Authorized domains

Boost.space Integrator.com
You don’t have to set anything in the Scopesand Optional info sections. Click Save and Continue.
Navigate to Credentials. Click on + create credentials, and select the OAuth Client ID option.
Fill in the required fields as follows, and then click the createbutton to create the application:

Application type

Web application

Name

e.g. Boost.space Integrator

Authorized redirect URIs

https://integrator.boost.space/oauth/cb/google-custom
Copy your Client ID and Client Secret and store them in a safe place.
Log in to your Boost.space Integrator account, add a Google Cloud Pub/Sub module to your scenario, and click Create a connection.
Optional: In the Connection name field, enter a name for the connection.
Click the Sign in with Google button and select your Google account.
If a This app isn’t verified window appears, continue to the next step. If not, continue to Step 21.

Note

The app is your OAuth client you have created above.
Click the Advanced link, and then the Go to Boost.space Integrator (unsafe) link to allow access using your custom OAuth client.
Review the access information and click Allow
Click the Allow button to confirm your choices.

The connection to your Google Cloud Pub/Sub has been established.

Message

Watch Messages

Triggers when a message is published for the specified topic.

Webhook name	Enter the name for the webhook.
Connection	Establish a connection to your Pub/Sub.
Project	Select the project that contains the topic you want to watch for published messages.
Topic Name	Select the topic you want to watch for published messages.
Subscription Filter	Set the filter according to the filter syntax. If the filter is set, only messages that match this filter are returned.
Message Retention Duration	Enter the duration in seconds. Specify how long to retain unacknowledged messages in the subscription’s backlog, from the moment a message is published. Minimum 10 minutes, maximum 7 days. The default is 7 days.Duration in seconds with up to nine fractional digits, terminated by ‘s’. Example: `3.5s`.
Order Messages with an Ordering Key	If enabled, messages published with the same `orderingKey` in the message will be returned in the order in which they are received by the Pub/Sub system. Otherwise, they may be delivered in any order.
Enable Dead Lettering	Check to enable a dead letter policy, which specifies the conditions for dead lettering messages.Then, set the name of the topic to which dead letter messages should be published and the number of delivery attempts.
Retry after Exponential Backoff Delay	Check to enable a policy that specifies how Pub/Sub retries message delivery. Uncheck to retry immediately. Retry delay will be exponential based on provided minimum and maximum backoffs. https://en.wikipedia.org/wiki/Exponential_backoff. Set the minimum and maximum backoff (in seconds).
Labels	Specify labels. See Creating and managing labels. An object containing a list of `"key": value` pairs. Example: `{ "name": "wrench", "mass": "1.3kg", "count": "3" }`.

Publish Messages

Publishes a message to the specified topic.

Connection

Establish a connection to your Pub/Sub.

Topic Name

Enter the topic path in the following format: projects/{project}/topics/{topic}.

Or use the Search button to browse the desired topic.

Messages

Either message or attribute will be required to publish.

Data	Enter the message you want to publish to this topic.
Attributes	Enter attributes for the message.

Topic

List Topics

Returns a list of topics in the specified project.

Connection	Establish a connection to your Pub/Sub.
Project	Select or map the ID of the project you want to retrieve topics from.
Limit	Set the maximum number of topics Boost.space Integrator will return during one execution cycle.

List Topic Subscriptions

Returns a list of topic subscriptions.

Connection

Establish a connection to your Pub/Sub.

Topic Name

Enter the topic path in the following format: projects/{project}/topics/{topic}.

Or use the Search button to browse the desired topic you want to list subscriptions for.

Limit

Set the maximum number of subscriptions Boost.space Integrator will return during one execution cycle.

Create a Subscription

Creates a new subscription to a specified topic.

Connection	Establish a connection to your Pub/Sub.
Subscription ID	Specify the unique resource name.
Project	Select the project or map the ID of the project that contains the topic you want to create a subscription for.
Topic Name	Select the topic or map the ID of the topic you want to create a subscription for.
Enable Push Delivery	Check this option to use Push delivery instead of Pull delivery.
Enable Subscription Expiration	Check to enable a policy that specifies the conditions for this subscription’s expiration. A subscription is considered active as long as any connected subscriber is successfully consuming messages from the subscription or is issuing operations on the subscription.
Time To Live	Specify the “time-to-live” duration for an associated resource in seconds. The resource expires if it is not active for a period of `ttl`. The definition of “activity” depends on the type of the associated resource. The minimum and maximum allowed values for `ttl` depend on the type of the associated resource, as well. If `ttl` is not set, the associated resource never expires. Indicate the duration in seconds with up to nine fractional digits, terminated by ‘`s`‘. Example: `"3.5s"`.
Acknowledgement Deadline in Seconds	Enter the approximate amount of time (on a best-effort basis) Pub/Sub waits for the subscriber to acknowledge receipt before resending the message. In the interval after the message is delivered and before it is acknowledged, it is considered to be outstanding. During that time period, the message will not be redelivered (on a best-effort basis).
Subscription Filter	Set the filter according the filter syntax. If the filter is set, only messages that match this filter are returned.
Message Retention Duration	Enter the duration in seconds. Define how long to retain unacknowledged messages in the subscription’s backlog, from the moment a message is published. Minimum 10 minutes, maximum 7 days. The default is 7 days.Duration in seconds with up to nine fractional digits, terminated by ‘s’. Example: `3.5s`.
Retain Acknowledged Messages	If enabled, messages are not expunged from the subscription’s backlog, even if they are acknowledged, until they fall out of the `Message Retention Duration` window.
Order Messages with an Ordering Key	If enabled, messages published with the same `orderingKey` in the message will be returned in the order in which they are received by the Pub/Sub system. Otherwise, they may be delivered in any order.
Enabled Dead Lettering	Check to enable a dead letter policy, the policy that specifies the conditions for dead lettering messages.Then, set the name of the topic to which dead letter messages should be published and the number of delivery attempts.
Retry after Exponential Backoff Delay	Check to enable a policy that specifies how Pub/Sub retries message delivery. Uncheck to retry immediately. Retry delay will be exponential based on provided minimum and maximum backoffs. https://en.wikipedia.org/wiki/Exponential_backoff. Set the minimum and maximum backoff (in seconds).
Labels	Specify labels. See Creating and managing labels. An object containing a list of `"key": value` pairs. Example: `{ "name": "wrench", "mass": "1.3kg", "count": "3" }`.

Update a Subscription

Updates an existing subscription.

Connection	Establish a connection to your Pub/Sub.
Subscription Name	Enter the path to the subscription you want to update in the following format: `projects/{project}/subscriptions/{sub}`. Or, browse the subscription using the Search button.

Please find the descriptions of the fields in the Create a Subscription section above.

Delete a Subscription

Deletes a subscription. All messages retained in the subscription are immediately dropped.After a subscription is deleted, a new one may be created with the same name, but the new one has no association with the old subscription or its topic unless the same topic is specified.

Connection	Establish a connection to your Pub/Sub.
Subscription Name	Enter the path to the subscription you want to delete in the following format: `projects/{project}/subscriptions/{sub}`. Or, browse the subscription using the Search button.

Other

Make an API Call

Allows you to perform a custom API call.

Connection

Establish a connection to your Pub/Sub.

URL

Enter a path relative to https://pubsub.googleapis.com.For example: /v1/projects/{project}/topics/{topic}.

	Note
	For the list of available endpoints, refer to the Pub/Sub API Documentation.

Method

Select the HTTP method you want to use:

GET

to retrieve information for an entry.

POST

to create a new entry.

PUT

to update/replace an existing entry.

PATCH

to make a partial entry update.

DELETE

to delete an entry.

Headers

Enter the desired request headers. You don’t have to add authorization headers; we’ve already added those for you.

Query String

Enter the request query string.

Body

Enter the body content for your API call.

Example of Use – List Snapshots

The following API call returns all snapshots in the specified topic:

URL:

/v1/projects/{project}/topics/{topic}/snapshots/

Method:

GET

The result can be found in the module’s Output under Bundle > Body > snapshots.

In our example, 3 snapshots were returned:

	Note
	You will not be charged when selecting this option! For more details, please refer to Google’s Exceptions to verification requirements.

Application type	`Web application`
Name	e.g. `Boost.space Integrator`
Authorized redirect URIs	`https://integrator.boost.space/oauth/cb/google-custom`

	Note
	The app is your OAuth client you have created above.