{% set user = "" %}
{% set group = "" %}
{% set team = "" %}
{% set repo_name = "" %}
{% set deployment_key_path = "/home/" + user + "/.ssh/deployment_key_rsa" %}

# this works
git:
  pkg.installed

# this works
github.com known host for {{ user }}:
  ssh_known_hosts.present:
    - user: {{ user }}
    - name: github.com
    - fingerprint: 16:27:ac:a5:76:28:2d:36:63:1b:56:4d:eb:df:a6:48

# this works (key looks exactly like it should)
deployment key {{ deployment_key_path }}:
  file.managed:
    - name: {{ deployment_key_path }}
    # - contents_pillar: deployment_key
    - mode: 0600
    - user: {{ user }}
    - group: {{ group }}

# this fails
update repository {{ team }}/{{ repo_name }}:
  git.latest:
    - name: ssh://git@github.com:{{ team }}/{{ repo_name }}.git
    - user: {{ user }}
    - target: /opt/git/{{ repo_name }}
    - identity: {{ deployment_key_path }}
    - require:
      - pkg: git
      - ssh_known_hosts: github.com
      - file: {{ deployment_key_path }}


# output: (note: repository is private, hence the not found)
----------

...
[INFO    ] Running state [ssh://git@github.com:<snip>/<snip>.git] at time 01:05:23.911302
[INFO    ] Executing state git.latest for ssh://git@github.com:<snip>/<snip>.git
[INFO    ] Checking remote revision for ssh://git@github.com:<snip>/<snip>.git
[INFO    ] Attempting git authentication using identity file /home/<snip>/.ssh/deployment_key_rsa
[INFO    ] Executing command ['git', 'ls-remote', 'ssh://git@github.com:<snip>/<snip>.git'] as user '<snip>' in directory '/home/<snip>'
[ERROR   ] Command ['git', 'ls-remote', 'ssh://git@github.com:<snip>/<snip>.git'] failed with return code: 128
[ERROR   ] stderr: ERROR: Repository not found.


          ID: update repository <snip>/<snip>
    Function: git.latest
        Name: ssh://git@github.com:<snip>/<snip>.git
      Result: False
     Comment: Failed to check remote refs: Unable to authenticate using identity file:

              ERROR: Repository not found.
              fatal: Could not read from remote repository.

              Please make sure you have the correct access rights
              and the repository exists.
     Started: 01:05:23.911302
    Duration: 941.62 ms
     Changes:

### salt version:

Salt Version:
           Salt: 2015.8.8.2

Dependency Versions:
         Jinja2: 2.8
       M2Crypto: Not Installed
           Mako: Not Installed
         PyYAML: 3.11
          PyZMQ: 14.4.0
         Python: 2.7.9 (default, Mar  1 2015, 12:57:24)
           RAET: Not Installed
        Tornado: 4.2.1
            ZMQ: 4.0.5
           cffi: 0.8.6
       cherrypy: Not Installed
       dateutil: 2.5.3
          gitdb: Not Installed
      gitpython: Not Installed
          ioflo: Not Installed
        libgit2: Not Installed
        libnacl: Not Installed
   msgpack-pure: Not Installed
 msgpack-python: 0.4.2
   mysql-python: 1.2.3
      pycparser: 2.10
       pycrypto: 2.6.1
         pygit2: Not Installed
   python-gnupg: 0.3.8
          smmap: Not Installed
        timelib: Not Installed

System Versions:
           dist: debian 8.1
        machine: x86_64
        release: 3.16.0-4-amd64
         system: debian 8.1