traefik: get secrets and convert to original text format

$ kubectl get secrets traefik-cert -o yaml
apiVersion: v1
data:
wildcard.medogz.home.crt:
LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCk1JSUUrRENDQXVDZ0F3SUJBZ0lKQUw1VTMvQWNMOFFMTUEwR0NTcUdTSWIzRFFFQkN3VUFNSUdFTVFzd0NRWUQKVlFRR0V3SlZVekVXTUJRR0ExVUVDQXdOVG1WM0lFaGhiWEJ6YUdseVpURVBNQTBHQTFVRUJ3d0dUbUZ6YUhWaApNUTh3RFFZRFZRUUtEQVpOWldSdlozb3hGekFWQmdOVkJBTU1EazFGUkU5SFdpQkRRU0JTVDA5VU1TSXdJQVlKCktvWklodmNOQVFrQkZoTmtiM1ZuYzJ4
aGJtUkFaMjFoYVd3dVkyOXRNQjRYRFRFNU1EZ3hNekl3TkRrek5sb1gKRFRJNE1UQXlPVEl3TkRrek5sb3dnWU14Q3pBSkJnTlZCQVlUQWxWVE1SWXdGQVlEVlFRSURBMU9aWGNnU0dGdApjSE5vYVhKbE1ROHdEUVlEVlFRSERBWk9ZWE5vZFdFeER6QU5CZ05WQkFvTUJrMWxaRzluZWpFV01CUUdBMVVFCkF3d05LaTV0WldSdlozb3VhRzl0WlRFaU1DQUdDU3FHU0liM0RRRUpBUllUWkc5MVozTnNZVzVrUUdkdFlXbHMKTG1OdmJUQ0NB
TGVtSwo1WnVQNWw5MTdtYituMEJsUU90QTBJOWVIUVJXUExEL25nMFRLTWR4UndQeE5FdzRPSlJiTGxoSk4zVWkydkp3Ck8zQXR0M3BSQ090SU00MVJsdmkwc3M3enNvdkpyOWlUTWhPVVpnenNPTUZSRmdtZjdNMytxWi9MMTU0QUhuWVEKMFFIamRoMENBd0VBQWFOc01Hb3dId1lEVlIwakJCZ3dGb0FVZTFrdmFOOGZlMjdQRjErNERtRFdWRnVxZTdJdwpDUVlEVlIwVEJBSXdBREFMQmdOVkhROEVCQU1DQlBBd0x3WURWUjBSQkNnd0pv
SVJiblZqTURFdWJXVmtiMmQ2CkxtaHZiV1dDRVc1MVl6QXlMbTFsWkc5bmVpNW9iMjFsTUEwR0NTcUdTSWIzRFFFQkN3VUFBNElDQVFDV1JKRUEKMkt2RlY2U2F3Ky9sblYyeVY4UExOV1lsVUZLUDlRaExzMG9SUndBdEtSNUFvNUNwV1pnd08wS3NiLzVYMGdPNwpaWmpEbW5jZjNqMEcvVnpVUGM3SVRBZE9zZE1ocFFmb2JsWkZ1SmJTWG9CWG1uZUxDUko0cTRwbW5hUkQ2TFFyCnRqU0FINVRodkxqRGJuVnN3WC9SSStYUWVUZkRvbUJK
QmtuNFJkeUpzRnVTNlkvRTY2UWo2bDg0M2Z0cjRxem8KaFZGRjlmUjdTUzVJWnE1ZzhKSElVazJtaGFSNnZEYjRFaVFzU0g5ZW56Y1ZDaE9PeUpqdFE0ZDd2Ui9PVXU5MgozL1ViSFE3eWFuVWxaYWhPeUZpUW5DU01iZWtJcW5wV0NRQlBRSTBHSkdpNkVIU21rUGlveEN5dHd5Y1gvTVdHCjVmTHNEdnNGcDZFWENYQ0NvUlR2SVdCMTRZcWp1NWx2MXBwMDUybXk4M2s0ZjB3VEs4UUllajhDS1pNMUlUdTgKa0VkRFZuSzR0cXB2NURZb0Vj
K0NLeFpncmRTb0s4QzR1MkFBSGgvZVRxVk5aVk5ubnZGcGVQYVQzVUU2Y3VSbwp3bDhiQjRIa0xzcGNCcUdweUlicTN1YTdaZXlPUmVaeTk0NHhteWM4RlcrakJUUFYyUTA5cXBiYS9pTnBJWDMxCjh6S21SS29WYVd4Q0tGT21ZUUNIQnJmcWlBZDUrWXdYa29Jd2dOc0JmTi9DVjdPdWNGcXhBOTlZMXpCNVoyaFgKNEZSR1Fuc2t4RkVKWnBUaGNBdDNCemJOZ2l6M2hCOXNOQTZtWFZKWG5QcXlwelpaNlNLVXM5dm9ubk12bjBteAovSG9L
wildcard.medogz.home.key:
LS0tLS1CRUdJTiBSU0EgUFJJVkFURSBLRVktLS0tLQpNSUlFcFFJQkFBS0NBUUVBMjJzNjl1NDU0a1VjbHYrSExibkFCZGRMOW1tVGZUMjlKdWVzRnl6bkcydkoyWkJKCktPaDFiUHo4WGVSOW5HbWpSampoSGFZK1BQcUF2ZG11dDJqc0hDYzNLMitPdUdOR2VaNldQS0x6a3krT1AreWoKRzFDMDBsYTJxVFcxcG5tVDZEK01ubVoybE9QVkRNUmd2VksyL0tsSnV6ejFqTTVYUWpEODY5Rk9MY0tzUmFhZwpLbysycmlvblVGbkVPV2lw
kind: Secret
metadata:
creationTimestamp: "2019-10-22T19:26:12Z"
name: traefik-cert
namespace: kube-system
resourceVersion: "576062"
selfLink: /api/v1/namespaces/kube-system/secrets/traefik-cert
uid: 0ae89b40-8707-486b-9bc3-25484b5569d9
type: Opaque


Time to see the output back to original state:
$ echo "LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCk1JSUUrRENDQXVDZ0F3SUJBZ0lKQUw1VTMvQWNMOFFMTUEwR0NTc....." | base64 -d