feat: Add echo provisioner (#162)

This replaces the cdr-basic provisioner type with
"echo". It reads binary data from the directory
and returns the responses in order.

This is used to test project and workspace job logic.

database/dump.sql

@@ -52,8 +52,8 @@ CREATE TYPE provisioner_job_type AS ENUM (
 );
 
 CREATE TYPE provisioner_type AS ENUM (
-    'terraform',
-    'cdr-basic'
+    'echo',
+    'terraform'
 );
 
 CREATE TYPE userstatus AS ENUM (

database/migrations/000002_projects.up.sql

@@ -1,4 +1,4 @@
-CREATE TYPE provisioner_type AS ENUM ('terraform', 'cdr-basic');
+CREATE TYPE provisioner_type AS ENUM ('echo', 'terraform');
 
 -- Project defines infrastructure that your software project
 -- requires for development.

database/models.go

@@ -191,8 +191,8 @@ func (e *ProvisionerJobType) Scan(src interface{}) error {
 type ProvisionerType string
 
 const (
+	ProvisionerTypeEcho      ProvisionerType = "echo"
 	ProvisionerTypeTerraform ProvisionerType = "terraform"
-	ProvisionerTypeCdrBasic  ProvisionerType = "cdr-basic"
 )
 
 func (e *ProvisionerType) Scan(src interface{}) error {