chainguard-dev / terraform-infra-common Goto Github PK
View Code? Open in Web Editor NEWA repository containing a collection of "glue" modules for encapsulating common Cloud Run patterns.
License: Apache License 2.0
A repository containing a collection of "glue" modules for encapsulating common Cloud Run patterns.
License: Apache License 2.0
Today we have:
filter = { "type" : "dev.chainguard.bar" } // Only trigger on bar-type events
filter_prefix = { "source": "baz/" } // ...coming from baz
which translates down to
filter = "attributes.ce-type=\"dev.chainguard.bar\" AND hasPrefix(attributes.ce-source, \"baz/\")"
This means it's not possible to easily subscribe to 2+ event types, or 2+ prefixes, etc., even though this is possible from PubSub's side.
This came up as a concern here: #328
The schema for containers is fairly large and is used a number of places:
regional-go-service
cron
regional-service
(in the linked PR)There are subtle (mostly intentional) differences across these today, but these are becoming an ongoing maintenance concern.
We should trigger an alert whenever things get put onto a cloudevent trigger's DLQ.
The minimum number of retries is 5, which is a strong signal that the handler is unhappy with the event it received and we should make our handler handle things a bit more gracefully.
cc @tcnghia
@k4leung4 I think that we should move the alert policy we have for this in mono into cloudevent-recorder
(scoped to those DTS jobs). Can you link to where we configure these today and/or shoot over a PR 🤞
GCS is able to publish to PubSub. We should have a lil service subscribe to those events and re-publish them (possibly without transformation?) to a cloudevent broker so that regional-go-services can subscribe in the standard way.
Inputs:
resource "google_storage_notification" "notification" {
bucket = data.google_storage_bucket.bucket.name
payload_format = "JSON_API_V1"
topic = google_pubsub_topic.topic.name
event_types = ["OBJECT_FINALIZE", "OBJECT_DELETE"]
}
This was @rawlingsj's idea, to have a manually triggerable job for brokers that would re-publish all the items in the DLQ, to trigger a retry.
This trigger could support filtering what kinds of events to re-publish if we want.
You had some cool metrics that would be cool to include as tiles, and wrap into a section for inclusion in dashboards like the cloudevent-recorder
.
Something like this:
message_storage_policy {
allowed_persistence_regions = [each.key]
}
https://cloud.google.com/pubsub/docs/resource-location-restriction
This will be useful for the cloudevent-recorder
The basic idea here is that we use _iam_binding
in places where we believe a resource is an implementation detail of a particular module, and therefore the module has complete information about how that resource should be accessed (thus the use of _iam_binding
vs. _iam_member
).
Build on this idea, we can actually add alert policies for each of these resources to detect and flag anomalous usage. As a proof-of-concept, I added one here (sorry, private repo): https://github.com/chainguard-dev/octo-sts/blob/c737ecae7dd57c2fc340f51bf6aa9e95adfbdd20/iac/main.tf#L124-L176
We should audit this repo for uses of _iam_binding
(or cases that should be!) and add audit log alerting to each.
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