[stable/cert-manager] Upgrade cert-manager to 0.8.0

[timbrandin]

Background

As per this email from Letsencrypt, we must upgrade cert-manager by November 1st, 2019

stable/cert-manager is currently on version 0.6.2 and Letsencrypt will start blocking traffic from versions below 0.8.0

https://github.com/helm/charts/blob/master/stable/cert-manager/values.yaml

from: | noreply@letsencrypt.org
to: | [REDACTED]
date: | 10 Aug 2019, 07:19
subject: | ACTION REQUIRED: Let's Encrypt is blocking old cert-manager versions

We've been working with Jetstack, the authors of cert-manager, on a
series of fixes to the client. Cert-manager sometimes falls into a
traffic pattern where it sends really excessive traffic to Let's
Encrypt's servers, continuously. To mitigate this, we plan to start
blocking all traffic from cert-manager versions less than 0.8.0 (the
current semver minor release), as of November 1, 2019. Please upgrade
all of your cert-manager instances before then.

We're sending this email because this is the contact address of your
cert-manager instance at:

[REDACTED] .

Version 0.8.0 is much better but we still observe excessive traffic in
some cases. We're working with Jetstack to improve these cases. As new
versions of cert-manager are released, we will add the non-current
versions to our block list after 3 months. We strongly encourage
cert-manager users to stay up-to-date with new versions.

Also, there is an opportunity to help both Jetstack and Let's Encrypt.
Once you've upgraded, please check the logs for your cert-manager
instances from time to time. Are they making excessive requests to Let's
Encrypt (more than, say, 10 per day over multiple days)? If so, please
share details at cert-manager/cert-manager#1948 .

Thanks,
Let's Encrypt Team

[stefanandres]

Shouldn't it rather be completly removed in favor of the upstream helm repo/chart?

[okgolove]

As far as I know cert-manager helm chart is hosted there now.

[batazor]

From stable/cert-manager:

This Helm chart is deprecated.
All future changes to the cert-manager Helm chart should be made in the
official repository.
The latest version of the chart can be found on the Helm Hub.

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