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Added option for encrypting secrets to etcd v.2 (#2428)

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* Added option for encrypting secrets to etcd

* Fix keylength to 32

* Forgot the default

* Rename secrets.yaml to secrets_encryption.yaml

* Fix static path for secrets file to use ansible variable

* Rename secrets.yaml.j2 to secrets_encryption.yaml.j2

* Base64 encode the token

* Fixed merge error

* Changed path to credentials dir

* Update path to secrets file which is now readable inside the apiserver container. Set better file permissions

* Add encryption option to k8s-cluster.yml
This commit is contained in:
Andreas Krüger
2018-03-15 20:20:05 +01:00
committed by Matthew Mosesohn
parent d843e3d562
commit 3d6fd49179
7 changed files with 39 additions and 1 deletions
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5
roles/kubernetes/master/defaults/main.yml
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@@ -92,3 +92,8 @@ kube_kubeadm_scheduler_extra_args: {}
## Variable for influencing kube-scheduler behaviour
volume_cross_zone_attachment: false
## Encrypting Secret Data at Rest
kube_encrypt_secret_data: false
kube_encrypt_token: "{{ lookup('password', inventory_dir + '/credentials/kube_encrypt_token length=32 chars=ascii_letters,digits') }}"
kube_encryption_algorithm: "aescbc" # Must be either: aescbc, secretbox or aesgcm