Add a commented configuration file

Author: remyleone

scw/config.go

@@ -16,6 +16,41 @@ const (
 	defaultConfigPermission = 0600
 )
 
+const config_file_template = `
+# Scaleway configuration file
+#
+# You need a Access Key and a Token to connect to Scaleway API.
+# Generate your token at the following address: https://console.scaleway.com/account/credentials
+#
+# An Access Key is a token identifier.
+{{ if .AccessKey }}access_key: {{.AccessKey}}{{ else }}# access_key: SCW11111111111111111{{ end }}
+#
+# The Secret Key is the value that can be used to authenticate against the API (the value used in X-Auth-Token HTTP-header).
+# The secret MUST stay secret and not given to anyone or publish online.
+{{ if .SecretKey }}secret_key: {{ .SecretKey }}{{ else }}# secret_key: 11111111-1111-1111-1111-111111111111{{ end }}
+
+# Your organization ID is the identifier of your account inside Scaleway infrastructure
+{{ if .DefaultOrganizationID }}default_organization_id: {{ .DefaultOrganizationID }}{{ else }}# default_organization_id: 11111111-1111-1111-1111-111111111111{{ end }}
+
+# A Region is represented as a Geographical area such as France (Paris) or the Netherlands (Amsterdam).
+# It can contain multiple Availability Zones.
+# Example of Region: fr-par, nl-ams
+{{ if .DefaultRegion }}default_region: {{ .DefaultRegion }}{{ else }}# default_region: fr-par{{ end }}
+
+# A region can be split in many Availability Zones (AZ).
+# Latency between multiple AZ of the same region are low as they have a common network layer.
+# Example of Zones: fr-par-1, nl-ams-1
+{{ if .DefaultZone }}default_zone: {{.DefaultZone}}{{ else }}# default_zone: fr-par-1{{ end }}
+
+# Scaleway CLI also supports profiles that will have a different set of credentials.
+# You can define a CLI profile using the following syntax:
+# myProfile:
+#   access_key: 11111111-1111-1111-1111-111111111111
+#   organization_id: 11111111-1111-1111-1111-111111111111
+#   default_zone: fr-par-1
+#   default_region: fr-par
+`
+
 type Config struct {
 	Profile       `yaml:",inline"`
 	ActiveProfile *string             `yaml:"active_profile,omitempty"`