Schema

(def ExistingNode
  "Represents a target node with ip and its name."
  {:node-name s/Str   ; semantic name (keep the default or use a name that suits you)
   :node-ip s/Str})   ; the ip4 address of the machine to be provisioned

(def ExistingNodes
  "A sequence of ExistingNodes."
  {s/Keyword [ExistingNode]})

(def ProvisioningUser
  "User used for provisioning."
  {:login s/Str                                ; user on the target machine, must have sudo rights
   (s/optional-key :password) secret/Secret})  ; password can be ommited, if a ssh key is authorized

(def Targets
  "Targets to be used during provisioning."
  {:existing [ExistingNode]                                ; one ore more target nodes.
   (s/optional-key :provisioning-user) ProvisioningUser})  ; user can be ommited to execute on localhost with current user.

Example

{:existing [{:node-name "target1"                      ; semantic name (keep the default or use a name that suits you)
             :node-ip "192.168.56.104"}]               ; the ip4 address of the machine to be provisioned
             {:node-name "target2"                     ; semantic name (keep the default or use a name that suits you)
                          :node-ip "192.168.56.105"}]  ; the ip4 address of the machine to be provisioned
 :provisioning-user {:login "initial"                  ; user on the target machine, must have sudo rights
                     :password {:plain "secure1234"}}} ; password can be ommited, if a ssh key is authorized