When I reboot the RancherOS (version 1.5.6) instance it injects some ssh keys into cloud-config.yml. I have deleted it several times , but it appears each time. It looks very strange, like some type of backdoor issue. Does anybody know what is it and how to disable it?
rancher:
ssh:
keys:
dsa: |+
-----BEGIN OPENSSH PRIVATE KEY-----
b3Blbn ... AUG
-----END OPENSSH PRIVATE KEY-----
dsa-pub: |+
ssh-dss AAAA ... BrH
ecdsa: |+
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnN ... A==
-----END OPENSSH PRIVATE KEY-----
ecdsa-pub: |+
ecdsa-sha2-nistp256 AAAA ... GUp
ed25519: |+
-----BEGIN OPENSSH PRIVATE KEY-----
b3Blbn ... gE=
-----END OPENSSH PRIVATE KEY-----
ed25519-pub: |+
ssh-ed25519 AAAA ... oT root@rancher
rsa: |+
-----BEGIN OPENSSH PRIVATE KEY-----
b3Blbn ... g==
-----END OPENSSH PRIVATE KEY-----
rsa-pub: |+
ssh-rsa AAAA ... u8W3