automatic loading default CCconfig.toml if not found

Author: decarvalhojunior-fh

Project.toml

@@ -8,6 +8,7 @@ AWS = "fbe9abb3-538b-5e4e-ba9e-bc94f4f92ebc"
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
+Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
 FilePathsBase = "48062228-2e41-5def-b9a4-89aafe57970f"
 JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
 MPIClusterManagers = "e7922434-ae4b-11e9-05c5-9780451d2c66"
@@ -22,18 +23,19 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 YAML = "ddb6d928-2868-570f-bddf-ab3f9cf99eb6"
 
 [compat]
-AWS = "1.92.0"
+AWS = "1"
 Base64 = "1.10.4"
 Distributed = "1.10.4"
 FilePathsBase = "0.9.21"
-JSON = "0.21.4"
+Downloads = "1.6.0"
+JSON = "0.21"
 MPIClusterManagers = "0.2.4"
 PlatformAware = "0.6.1"
 Random = "1.10.4"
-Reexport = "1.2.2"
+Reexport = "1"
 Serialization = "1.10.4"
 Sockets = "1.10.4"
 TOML = "1.0.3"
 Test = "1.11.0" 
-YAML = "0.4.12"
-julia = "1"
+YAML = "0.4"
+julia = "1"

src/config/configs.jl

@@ -1,3 +1,4 @@
+using Downloads
 
 abstract type Localhost <: OnPremises end
 
@@ -17,32 +18,31 @@ function readCCConfig(config_file::String)
             close(io)
             contents
          catch
-            default_location = "/etc/$config_file"
+            # system wide location
             try
-                # defaul system location
+                default_location = "/etc/$config_file"
                 io = open(default_location)
                 contents = read(io,String)
                 close(io)
                 contents
             catch
-                @info "The configuration file ($config_file) was not found."
-     
-     #           dpf_path = @get_scratch!("default_platform_path")
-     #           dpf_url = "https://raw.githubusercontent.com/PlatformAwareProgramming/PlatformAware.jl/manager/src/features/default/Platform.toml"
-     #           dpf_fname =  joinpath(dpf_path, basename(dpf_url))
-     #           try_download(dpf_url, dpf_fname)
-
-     #           read(dpf_fname,String)
+                # NOTHING TO DO
             end
          end
 
     #@info "=====> $ccconfig_toml"
     if isnothing(ccconfig_toml)
-        @error "The configuration file ($config_file) was not found."
-        return nothing
+        @warn "A configuration file ($config_file) was not found. A default $config_file will be downloaded and copied to the current directory."
+        fetch_default_configuration_file(config_file)
+        return readCCConfig(config_file)
+    else
+        return TOML.parse(ccconfig_toml)    
     end
+end
 
-    TOML.parse(ccconfig_toml)    
+function fetch_default_configuration_file(config_file)
+    url = "https://raw.githubusercontent.com/PlatformAwareProgramming/CloudClusters.jl/refs/heads/main/CCconfig.toml"
+    Downloads.download(url, config_file)
 end
 
 function loadDefaults(_::Type{Provider}, ccconfig_dict)