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  1. Jan 11, 2023
    • Alex Ellis (OpenFaaS Ltd)'s avatar
      Deprecate external auth plugins · 4f9c61b5
      Alex Ellis (OpenFaaS Ltd) authored 
      
There is no need for OpenFaaS CE to have external auth plugins
since this added extra overhead and was never used.

OpenFaaS Pro retains the option so it can use the OIDC
auth plugin.

It's still possible, as it ever was to put a proxy in front
of any HTTP server like the gateway.

Tested with a local KinD cluster, auth still worked for the
API and UI.

Signed-off-by: default avatarAlex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
      4f9c61b5
    • Alex Ellis (OpenFaaS Ltd)'s avatar
      Make OpenFaaS CE use the provider for load-balancing · a7d486ee
      Alex Ellis (OpenFaaS Ltd) authored 
      
This change removes the direct functions option which was
used originally for Docker Swarm. The Community Edition will
rely on the faas provider - faas-netes / faasd for load-balancing
of requests.

Direct Functions is required in order to delegate load-balancing
to Istio, Linkerd or some other kind of service mesh.

Tested by deploying a modified gateway image to a KinD cluster,
deploying the env function, and scaling to two replicas. This
balanced the load between the two pods by printing out the names
and then I ran a test with hey which returned 200s for all the
requests.

The prober which was part of the Istio support is no longer
required in the CE gateway so is removed for simplicity.

Signed-off-by: default avatarAlex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
      a7d486ee
  3. Dec 14, 2022
  5. Oct 24, 2022
    • Lucas Roesler's avatar
      fix: return provider response during fnc listing errors · c07bebbb
      Lucas Roesler authored 
      
Return the original upstream response body when the the list request
returns an error. In general, the provider is returning useful and
actionable error messages for the user, the previous code hid this in
the logs and this is easy for user to overlook.

Additionally, remove an early return from error case after fetching
metrics. This looked like a bug and could result in empty api responses
if there was a prometheus error.

Signed-off-by: default avatarLucas Roesler <roesler.lucas@gmail.com>
      c07bebbb
  7. Sep 29, 2022
  9. Sep 21, 2022
  11. Sep 08, 2022
    • Alex Ellis (OpenFaaS Ltd)'s avatar
      Use Desired Replicas when scaling from zero · 8e711b3a
      Alex Ellis (OpenFaaS Ltd) authored 
      
During some exploratory testing, I ran into an issue where
the gateway would attempt to scale a deployment from zero
replicas to min, despite there already being min replicas.

Why?

The scaling logic was looking for Available replicas when
it should have looked for Desired replicas. So when a
deployment had zero ready replicas due to readiness checks
failing, the gateway was attempting to scale from zero
to min.

This logic has been corrected and separated from the
a holding pattern where the gateway waits for a ready
replica.

Tested with KinD and an edited function which had a
readiness probe, which was failing and no ready
replicas. As desired, the gateway did not scale to min.

However, when setting desired replicas to zero, the
gateway did scale up as expected.

This change also modifies all print statements for
"seconds" and makes them use 4 decimal places instead of
the default which was a longer, more verbose string for
the logs.

Signed-off-by: default avatarAlex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
      8e711b3a
  13. Aug 30, 2022
  15. Aug 24, 2022
  17. Aug 05, 2022
  19. Jul 07, 2022
    • Alex Ellis (OpenFaaS Ltd)'s avatar
      Feature for probing functions · 88eea5f6
      Alex Ellis (OpenFaaS Ltd) authored 
      
Introduces a single-flight call to a function's health
endpoint to verify that it is registered with an Istio
sidecar (Envoy) before letting the invocation through.

Results are cached for 5 seconds, before a probe is
required again.

Tested without Istio, with probe_functions environment
variable set to true, I saw a probe execute in the logs.

Fixes: #1721 for Istio users.

Signed-off-by: default avatarAlex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
      88eea5f6
  21. Jun 29, 2022
  23. Jun 01, 2022
  25. May 26, 2022
  27. May 06, 2022
  29. Mar 25, 2022
  31. Feb 21, 2022
  33. Jan 24, 2022
  35. Oct 22, 2021
  37. Jul 27, 2021
  39. Jul 26, 2021
  41. Mar 11, 2021
  43. Feb 27, 2021
  45. Feb 26, 2021