openssh-formula/openssh/files/ssh_config
2017-07-04 21:38:21 +02:00

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{%- import_yaml "openssh/defaults.yaml" as default_settings -%}
{%- set ssh_config = salt['pillar.get']('ssh_config', default=default_settings.ssh_config, merge=True) -%}
{#- present in ssh_config and known in actual file options -#}
{%- set processed_options = [] -%}
{%- set string_or_list_options = ['KexAlgorithms', 'Ciphers', 'MACs'] -%}
{%- macro render_raw_option(keyword, value) -%}
{%- if value is sameas true -%}
{{ keyword }} yes
{%- elif value is sameas false -%}
{{ keyword }} no
{%- elif value is string or value is number -%}
{{ keyword }} {{ value }}
{%- else -%}
{%- for single_value in value -%}
{{ keyword }} {{ single_value }}
{% endfor -%}
{%- endif -%}
{%- endmacro -%}
{#- generic renderer used for ssh matches, known options, -#}
{#- and unknown options -#}
{%- macro render_option(keyword, default, config_dict=ssh_config) -%}
{%- set value = config_dict.get(keyword, default) -%}
{{ render_raw_option(keyword, value) }}
{%- endmacro -%}
{#- macros for render option according to present -#}
{%- macro option_impl(keyword, default, present) -%}
{%- if present -%}
{%- do processed_options.append(keyword) -%}
{%- set prefix='' -%}
{%- else -%}
{%- set prefix='#' -%}
{%- endif -%}
{#- add prefix to keyword -#}
{%- set keyword = prefix ~ keyword -%}
{{ render_option(keyword, default) }}
{%- endmacro -%}
{#- macros for render option commented by default -#}
{%- macro option(keyword, default, present) -%}
{{ option_impl(keyword, default, keyword in ssh_config) }}
{%- endmacro -%}
{#- macros for render option uncommented by default -#}
{%- macro option_default_uncommented(keyword, default, present) -%}
{{ option_impl(keyword, default, True) }}
{%- endmacro -%}
{#- macro for collapsing a list into a string -#}
{%- macro option_collapselist(keyword, sep) -%}
{%- do processed_options.append(keyword) -%}
{{keyword}} {{ssh_config.get(keyword)|join(sep)}}
{%- endmacro -%}
{#- macro for handling an option that can be specified as a list or a string -#}
{%- macro option_string_or_list(keyword, default, default_commented, sep=',') -%}
{%- if ssh_config.get(keyword, '') is string -%}
{%- if default_commented -%}
{{ option(keyword, default) }}
{%- else -%}
{{ option_default_uncommented(keyword, default) }}
{%- endif -%}
{%- else -%}
{{ option_collapselist(keyword, sep) }}
{%- endif -%}
{%- endmacro -%}
{%- if ssh_config.get('ConfigBanner', False) -%}
{{ ssh_config['ConfigBanner'] }}
{%- else -%}
# Do not edit this file manually!
# It will be overwritten by salt!
{%- endif %}
{%- set global_src_url = salt ['pillar.get']('__formulas:print_template_url', None) %}
{%- set local_src_url = salt ['pillar.get']('openssh-formula:print_template_url', None) %}
{%- if (global_src_url and local_src_url is none) or local_src_url %}
#
# Template used to generate this file:
# {{ source }}
{%- endif %}
{%- if 'Hosts' in ssh_config %}
{%- do processed_options.append('Hosts') %}
{% for host, conf in ssh_config['Hosts'].items() %}
Host {{ host }}
{%- for key, val in conf.items() %}
{{ render_raw_option(key, val) }}
{%- endfor %}
{%- endfor %}
{%- endif %}
{# Handling unknown in salt template options #}
{%- for keyword in ssh_config.keys() %}
{#- Matches have to be at the bottom and should be handled differently -#}
{%- if not keyword in processed_options and keyword != 'matches' -%}
{%- if not keyword in string_or_list_options -%}
{#- send a blank default as it doesn't matter #}
{{ render_option(keyword, '') }}
{%- else -%}
{#- same as above #}
{{ option_string_or_list(keyword, '', True) }}
{%- endif -%}
{%- endif -%}
{%- endfor %}
{# Handle matches last as they need to go at the bottom #}
{%- if 'matches' in ssh_config %}
{%- for match in ssh_config['matches'].values() %}
Match {{ match['type'].keys()[0] }} {{ match['type'].values()[0] }}
{%- for keyword in match['options'].keys() %}
{{ render_option(keyword, '', config_dict=match['options']) }}
{%- endfor %}
{%- endfor %}
{%- endif %}
{#- vim: set ft=jinja : #}