Updated to use go modules

removed the vendor directory and initiated as a module
updated tfjson_test
Updated circle ci config
Added env variable to turn on modules
added env variable to test run and added names to runs
updated env variable
installed terraform
downloading dependencies before building terraform

.circleci/config.yml

@@ -0,0 +1,54 @@
+version: 2.1
+
+orbs:
+  go: palantir/go@0.0.11
+
+jobs:
+  verify:
+    parameters:
+      executor:
+        description: |
+          The executor used for this job.
+        type: executor
+      usevendor:
+        description: |
+          Use the vendor directory for older versions of go
+        type: boolean
+        default: true
+    executor: << parameters.executor >>
+    steps:
+      - go/setup:
+          restore-mod-cache: false
+      - unless:
+          condition: << parameters.usevendor >>
+          steps:
+            - run: go get -v ./...
+      - run: go version
+      - run: go build .
+
+workflows:
+  version: 2
+  verify:
+    jobs:
+      - verify:
+          name: verify-go-1.12
+          executor:
+            name: go/golang
+            owner-repo: palantir/tfjson
+            version: 1.12.2
+            module: true
+      - verify:
+          name: verify-go-1.11
+          executor:
+            name: go/golang
+            owner-repo: palantir/tfjson
+            version: 1.11.8
+            module: true
+      - verify:
+          name: verify-go-1.10
+          executor:
+            name: go/golang
+            owner-repo: palantir/tfjson
+            version: 1.10.8
+            module: false
+          usevendor: true

.gitignore

@@ -1,2 +1,3 @@
 *.iml
 *.ipr
+.terraform/

go.mod

@@ -0,0 +1,5 @@
+module github.com/palantir/tfjson
+
+go 1.12
+
+require github.com/hashicorp/terraform v0.11.13

tfjson_test.go

@@ -46,12 +46,14 @@ module "inner" {
 
 const innerTF = `
 resource "aws_vpc" "inner" {
-  cidr_block = "10.0.0.0/8"
+  cidr_block = "10.0.0.0/28"
 }
 `
 
 const expected = `{
     "aws_vpc.main": {
+        "arn": "",
+        "assign_generated_ipv6_cidr_block": "false",
         "cidr_block": "10.0.0.0/16",
         "default_network_acl_id": "",
         "default_route_table_id": "",
@@ -60,35 +62,45 @@ const expected = `{
         "destroy_tainted": false,
         "dhcp_options_id": "",
         "enable_classiclink": "",
+        "enable_classiclink_dns_support": "",
         "enable_dns_hostnames": "",
-        "enable_dns_support": "",
+        "enable_dns_support": "true",
         "id": "",
-        "instance_tenancy": "",
-        "main_route_table_id": ""
+        "instance_tenancy": "default",
+        "ipv6_association_id": "",
+        "ipv6_cidr_block": "",
+        "main_route_table_id": "",
+        "owner_id": ""
     },
     "destroy": false,
     "inner": {
         "aws_vpc.inner": {
-            "cidr_block": "10.0.0.0/8",
+            "arn": "",
+            "assign_generated_ipv6_cidr_block": "false",
+            "cidr_block": "10.0.0.0/28",
             "default_network_acl_id": "",
             "default_route_table_id": "",
             "default_security_group_id": "",
             "destroy": false,
             "destroy_tainted": false,
             "dhcp_options_id": "",
             "enable_classiclink": "",
+            "enable_classiclink_dns_support": "",
             "enable_dns_hostnames": "",
-            "enable_dns_support": "",
+            "enable_dns_support": "true",
             "id": "",
-            "instance_tenancy": "",
-            "main_route_table_id": ""
+            "instance_tenancy": "default",
+            "ipv6_association_id": "",
+            "ipv6_cidr_block": "",
+            "main_route_table_id": "",
+            "owner_id": ""
         },
         "destroy": false
     }
 }`
 
 func Test(t *testing.T) {
-	dir, err := ioutil.TempDir("", "")
+	dir, err := ioutil.TempDir("./", "")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -109,7 +121,8 @@ func Test(t *testing.T) {
 
 	planPath := filepath.Join(dir, "terraform.tfplan")
 	mustRun(t, "terraform", "get", dir)
-	mustRun(t, "terraform", "plan", "-out="+planPath, dir)
+	mustRun(t, "terraform", "init", "-backend=false", "-get=true", "-get-plugins=true", dir)
+	mustRun(t, "terraform", "plan", "-refresh=false", "-state=null", "-out="+planPath,  dir)
 
 	j, err := tfjson(planPath)
 	if err != nil {