"provisioners": [
    {
        "type": "ansible",
        "playbook_file": "playbooks/image/image.yml",
        "groups": [
            "{{user `ansible_group`}}"
        ],
        "user": "vagrant",
        "extra_arguments": [
            "--vault-password-file", "scripts/get-vault-password.sh",
            "-e", "global_configuration_user={{user `configuration_user`}}",
            "-e", "global_deployment_user={{user `deployment_user`}}",
            "-e", "ansible_ssh_pass=vagrant",
            "-vvvvv"
        ]
    },
    {
        "type": "ansible",
        "playbook_file": "playbooks/image/removeVagrant.yml",
        "groups": [
            "{{user `ansible_group`}}"
        ],
        "user": "{{user `configuration_user`}}",
        "extra_arguments": [
            "--vault-password-file", "scripts/get-vault-password.sh",
            "-e", "global_configuration_user={{user `configuration_user`}}",
            "-e", "global_deployment_user={{user `deployment_user`}}",
            "-e", "ansible_ssh_private_key_file=~/.ssh/id_{{user `configuration_user`}}_rsa",
            "-vvvvv"
        ]
    }
],

ssh -vvv -C -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no -o Port=37947 -o 'IdentityFile="/home/redacted/.ssh/id_rsa"' -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User=redacted -o ConnectTimeout=10 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ControlPath=/home/redacted/.ansible/cp/ansible-ssh-%h-%p-%r 127.0.0.1 '/bin/sh -c '"'"'( umask 77 && mkdir -p "` echo ~/.ansible/tmp/ansible-tmp-1491233126.24-276699777493633 `" && echo ansible-tmp-1491233126.24-276699777493633="` echo ~/.ansible/tmp/ansible-tmp-1491233126.24-276699777493633 `" ) && sleep 0'"'"''

debug1: SSH2_MSG_NEWKEYS received
debug2: key: /home/redacted/.ssh/id_rsa, explicit, agent
debug2: key: redacted
debug2: key: redacted
debug2: key: redacted
debug2: key: redacted
debug2: key: redacted
debug2: key: redacted
debug2: key: redacted
debug3: send packet: type 5
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug3: start over, passed a different list publickey
debug3: preferred gssapi-with-mic,gssapi-keyex,hostbased,publickey
debug3: authmethod_lookup publickey
debug3: remaining preferred: ,gssapi-keyex,hostbased,publickey
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/redacted/.ssh/id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug1: Offering RSA public key: key2
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51

"ssh_username": "ubuntu",
   "ssh_private_key_file": "../provision",
   "ssh_agent_auth": true,