Migrate SSL Certificate(LetsEncrypt) from Linux VPS to Google Kubernetes Engine

mgarrigo · June 25, 2018, 11:37pm

My domain is:

I ran this command:
Im setting up my site on Google Kubernetes Engine. How can i migrate my certificate? Im using certbot on linux.

It produced this output:

My web server is (include version):
Apache2 on Linux

The operating system my web server runs on is (include version):
Debian 9

My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don’t know):
YES

I’m using a control panel to manage my site (no, or provide the name and version of the control panel):
No

stevenzhu · June 25, 2018, 11:41pm

Hi,

Take a look at this tutorial… (or software description)

github.com

ahmetb/gke-letsencrypt/blob/master/README.md

![GKE loves Let’s Encrypt!](img/gke-letsencrypt.png)

# Let’s Encrypt on GKE

[GKE] (Google Kubernetes Engine) does not offer an out-of-the-box HTTPS solution
or TLS/SSL certificates for your websites today:

- **[Let’s Encrypt][le]** is a non-profit Certificate Authority that provides
  free TLS/SSL certificates that can be used to secure websites with HTTPS.
- **[cert-manager]** is a third-party Kubernetes controller that automates
  getting TLS/SSL certificates from Let’s Encrypt and refreshing them.

> :warning::warning: cert-manager is pre-stable software and is not officially
  supported by Google. Use it at your own risk! :warning::warning:

Requirements:

- A registered domain name
- A GKE cluster
- Estimated time: 30 minutes.

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Thank you

mgarrigo · June 25, 2018, 11:43pm

Thanks for the fast response. I have a question, i already have a SSL ceritifcate issued for my domain. Can i follow the same guide or do i need to do any aditional step?

stevenzhu · June 25, 2018, 11:46pm

Hi,

I think you could just obtain another certificate using that program…
Moving the existing one might not be that efficient (since you might need to use that program to install / renew the certificate) & you are not hitting the rate limit.

Thank you

system · July 25, 2018, 11:56pm

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