Deploy google function with terraform

Question

I'm trying to deploy a google cloud function using terraform. The function requires the function to be zipped. I need a hello world project with terraform and nodejs. I've been trying for the past few days to set it up, but without a success.

What exactly have you tried and what problems did you have? If you could show your code, the steps you take and the errors you get that would be help people answer your question. — ydaetskcoR
– ydaetskcoR, Commented May 2, 2019 at 17:48

StephenG · Accepted Answer · 2019-05-02 20:47:21Z

2

Sample Terraform

resource "google_cloudfunctions_function" "test" {
    name                      = "[FunctionName]"
    entry_point               = "helloGET"
    available_memory_mb       = 128
    timeout                   = 61
    project                   = "[GCPProjectName]"
    region                    = "us-central1"
    trigger_http              = true
    trigger_topic             = "[PubSubTopic]"
    trigger_bucket            = "[StorageBucketName]"
    source_archive_bucket     = "${google_storage_bucket.bucket.name}"
    source_archive_object     = "${google_storage_bucket_object.archive.name}"
    labels {
    deployment_name           = "test"
    }
}

resource "google_storage_bucket" "bucket" {
  name = "cloudfunction-deploy-test1"
}

data "archive_file" "http_trigger" {
  type        = "zip"
  output_path = "${path.module}/files/http_trigger.zip"
  source {
    content  = "${file("${path.module}/files/http_trigger.js")}"
    filename = "index.js"
  }
}

resource "google_storage_bucket_object" "archive" {
  name   = "http_trigger.zip"
  bucket = "${google_storage_bucket.bucket.name}"
  source = "${path.module}/files/http_trigger.zip"
  depends_on = ["data.archive_file.http_trigger"]
}

Sample nodejs

/**
 * HTTP Cloud Function.
 *
 * @param {Object} req Cloud Function request context.
 * @param {Object} res Cloud Function response context.
 */
exports.helloGET = function helloGET (req, res) {
    res.send(`Hello ${req.body.name || 'World'}!`);
};

answered May 2, 2019 at 20:47

StephenG

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4 Comments

aphex Over a year ago

Hi, thank you for the answer. How do you zip the bundle? Just building and then zipping it?

StephenG Over a year ago

@aphex if the nodejs source file is in the right relative path (see the source in the archive_file data block), terraform will zip for you!

CpILL Over a year ago

yeah, but what is the file called and how do you reference it in the terraform template???

StephenG Over a year ago

in the same directory as the module is defined, the template is looking for files/http_trigger.js (see the content of the archive_file.http_trigger. That file is then renamed to index.js inside of the zip, which is then deployed to a storage bucket

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