more hcl endpoints: /api/V2/*/ID/hcl

src/dog_api_router.erl

@@ -86,10 +86,12 @@ start_link() ->
             {"/api/publish", publish_api_handler, #{}},
             {"/api/service", api_handler, #{}},
             {"/api/service/:id", api_handler, #{}},
+            {"/api/service/:id/:sub", api_handler, #{}},
             {"/api/services", plural_api_handler, #{}},
             {"/api/services/:sub", plural_api_handler, #{}},
             {"/api/V2/service", api_handler_v2, #{}},
             {"/api/V2/service/:id", api_handler_v2, #{}},
+            {"/api/V2/service/:id/:sub", api_handler_v2, #{}},
             {"/api/V2/services", plural_api_handler_v2, #{}},
             {"/api/V2/services/:sub", plural_api_handler_v2, #{}},
             {"/api/zone/", api_handler, #{}},
@@ -106,10 +108,12 @@ start_link() ->
             {"/api/V2/zones/ips", plural_api_handler_v2, #{}},
             {"/api/fact", api_handler, #{}},
             {"/api/fact/:id", api_handler, #{}},
+            {"/api/fact/:id/:sub", api_handler, #{}},
             {"/api/facts", plural_api_handler, #{}},
             {"/api/facts/:sub", plural_api_handler, #{}},
             {"/api/V2/fact", api_handler_v2, #{}},
             {"/api/V2/fact/:id", api_handler_v2, #{}},
+            {"/api/V2/fact/:id/:sub", api_handler_v2, #{}},
             {"/api/V2/facts", plural_api_handler_v2, #{}},
             {"/api/V2/facts/:sub", plural_api_handler_v2, #{}}
         ]}

src/dog_common.erl

@@ -13,6 +13,7 @@
     lmm/2,
     merge_lists_in_tuples/1,
     merge_maps_of_lists/1,
+    quoted_comma_delimited/1,
     re_filter/2,
     rekey_map_of_maps/3,
     rkmm/3,
@@ -226,3 +227,7 @@ format_value(Value) ->
                       end, Value),
             "[" ++ lists:join(",",ListValues) ++ "]"
     end.
+
+-spec quoted_comma_delimited(List :: list()) -> iolist().
+quoted_comma_delimited(List) ->
+    string:join([io_lib:format("\"~s\"",[X]) || X <- List],",").

src/dog_fact_api_v2.erl

@@ -14,6 +14,8 @@
     get_by_id/1,
     get_by_name/1,
     get_schema/0,
+    to_hcl/1,
+    to_hcl_by_id/1,
     update/2
 ]).
 
@@ -127,3 +129,60 @@ update(Id, UpdateMap@0) ->
 -spec get_schema() -> binary().
 get_schema() ->
     dog_json_schema:get_file(?VALIDATION_TYPE).
+
+-spec to_hcl_by_id(FactId :: iolist()) -> iolist().
+to_hcl_by_id(FactId) ->
+    {ok, Fact} = get_by_id(FactId),
+    to_hcl(Fact). 
+
+-spec to_hcl(Fact :: map()) -> binary().
+to_hcl(Fact) ->
+    Bindings = #{
+                 'TerraformName' => dog_common:to_terraform_name(maps:get(<<"name">>, Fact)), 
+                 'Name' => maps:get(<<"name">>, Fact), 
+                 'Environment' => <<"qa">>,
+                 'Groups' => to_hcl_group(maps:get(<<"groups">>, Fact))
+                },
+    {ok, Snapshot} = eel:compile(<<
+        "resource \"dog_fact\" \"<%= TerraformName .%>\n"
+        "    name = <%= Name .%>\n"
+        "    groups = {\n"
+        "<%= Groups .%>"
+        "}\n"
+    >>),
+    {ok, RenderSnapshot} = eel_renderer:render(Bindings, Snapshot),
+    {IoData, _} = {eel_evaluator:eval(RenderSnapshot), RenderSnapshot},
+    erlang:iolist_to_binary(IoData).
+
+-spec to_hcl_group(Group :: map()) -> binary().
+to_hcl_group(Group) ->
+    All = maps:get(<<"all">>, Group),
+    Bindings = #{
+                 'Children' => dog_common:format_value(maps:get(<<"children">>, All)), 
+                 'Hosts' => dog_common:format_vars(maps:get(<<"hosts">>, All)),
+                 'Vars' => dog_common:format_vars(maps:get(<<"vars">>, All, []))
+                },
+    {ok, Snapshot} = eel:compile(<<
+        "      all = {\n"
+        "        children = <%= Children .%>\n"
+        "        hosts = {\n"
+        "<%= case Hosts of %>"
+        "<% [] -> <<>> ; %>"
+        "<% _ ->  %>"
+        "      }\n"
+        "    }\n"
+        "<% end .%>"
+        "<%= case Vars of %>"
+        "<% [] -> <<>> ; %>"
+        "<% _ ->  %>"
+		"    vars = jsonencode({\n"
+        "<%= lists:map(fun({Key,Value}) -> %>"
+        "      <%= Key .%> = <%= Value .%> \n"
+        "<% end, maps:to_list(Vars)) .%>"
+        "    })\n"
+        "<% end .%>"
+        "  }\n"
+    >>),
+    {ok, RenderSnapshot} = eel_renderer:render(Bindings, Snapshot),
+    {IoData, _} = {eel_evaluator:eval(RenderSnapshot), RenderSnapshot},
+    erlang:iolist_to_binary(IoData).

src/dog_service_api_v2.erl

@@ -12,6 +12,8 @@
     get_all/0,
     get_by_id/1,
     get_by_name/1,
+    to_hcl/1,
+    to_hcl_by_id/1,
     update/2
 ]).
 
@@ -131,3 +133,55 @@ update(Id, UpdateMap) ->
         {error, Error} ->
             {false, Error}
     end.
+
+-spec to_hcl_by_id(ServiceId :: iolist()) -> iolist().
+to_hcl_by_id(ServiceId) ->
+    {ok, Service} = get_by_id(ServiceId),
+    to_hcl(Service). 
+
+-spec to_hcl(Service :: map()) -> binary().
+to_hcl(Service) ->
+    Bindings = #{
+                 'TerraformName' => dog_common:to_terraform_name(maps:get(<<"name">>, Service)), 
+                 'Name' => maps:get(<<"name">>, Service), 
+                 'Version' => maps:get(<<"version">>, Service), 
+                 'Environment' => <<"qa">>,
+                 'PortProtocols' => portprotocols_output(maps:get(<<"services">>, Service))
+                },
+    {ok, Snapshot} = eel:compile(<<
+        "resource \"dog_service\" \"<%= TerraformName .%>\" {\n"
+        "  name = \"<%= Name .%>\"\n"
+        "  version = \"<%= Version .%>\"\n"
+        "  services = [\n"
+        "<%= PortProtocols .%>"
+        "  ]\n"
+        "  provider = dog.<%= Environment .%>\n"
+        "}\n"
+        "\n"
+    >>),
+    {ok, RenderSnapshot} = eel_renderer:render(Bindings, Snapshot),
+    {IoData, _} = {eel_evaluator:eval(RenderSnapshot), RenderSnapshot},
+    erlang:iolist_to_binary(IoData).
+
+-spec portprotocols_output(PortProtocol :: map()) -> binary().
+portprotocols_output(PortProtocols) ->
+    PPs = lists:map(fun(PP) -> 
+        Ports = maps:get(<<"ports">>, PP), 
+        Protocol = io_lib:format("\"~s\"",[maps:get(<<"protocol">>, PP)]), 
+        PortsString = dog_common:quoted_comma_delimited(Ports),
+        {Protocol, PortsString}
+    end, PortProtocols),
+    Bindings = #{
+                 'PortProtocols' => PPs 
+                },
+    {ok, Snapshot} = eel:compile(<<
+        "<%= lists:map(fun({Protocol,Ports}) -> %>"
+        "    {\n"
+        "      protocol = <%= Protocol .%>\n"
+		"      ports    = [<%= Ports .%>]\n"
+        "    },\n"
+        "<% end, PortProtocols) .%>"
+    >>),
+    {ok, RenderSnapshot} = eel_renderer:render(Bindings, Snapshot),
+    {IoData, _} = {eel_evaluator:eval(RenderSnapshot), RenderSnapshot},
+    erlang:iolist_to_binary(IoData).