terraform/builtin/providers/aws/provider.go

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package aws
import (
"os"
"github.com/hashicorp/terraform/helper/schema"
)
// Provider returns a schema.Provider for AWS.
//
// NOTE: schema.Provider became available long after the AWS provider
// was started, so resources may not be converted to this new structure
// yet. This is a WIP. To assist with the migration, make sure any resources
// you migrate are acceptance tested, then perform the migration.
func Provider() *schema.Provider {
// TODO: Move the validation to this, requires conditional schemas
// TODO: Move the configuration to this, requires validation
return &schema.Provider{
Schema: map[string]*schema.Schema{
"region": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: envDefaultFunc("AWS_REGION"),
},
"access_key": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: envDefaultFunc("AWS_ACCESS_KEY"),
},
"secret_key": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: envDefaultFunc("AWS_SECRET_KEY"),
},
},
ResourcesMap: map[string]*schema.Resource{
"aws_eip": resourceAwsEip(),
"aws_instance": resourceAwsInstance(),
"aws_security_group": resourceAwsSecurityGroup(),
},
}
}
func envDefaultFunc(k string) schema.SchemaDefaultFunc {
return func() (interface{}, error) {
if v := os.Getenv(k); v != "" {
return v, nil
}
return nil, nil
}
}