From b570490db222728db35707e5c38ac6714a9f4dda Mon Sep 17 00:00:00 2001
From: takutaka <takutaka@pepabo.com>
Date: Thu, 7 May 2020 18:39:17 +0900
Subject: [PATCH 1/2] use sprig

---
 pkg/terraform/terraform.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkg/terraform/terraform.go b/pkg/terraform/terraform.go
index 8f84f76..46fff49 100644
--- a/pkg/terraform/terraform.go
+++ b/pkg/terraform/terraform.go
@@ -11,6 +11,7 @@ import (
 	"text/template"
 	"time"
 
+	"github.com/Masterminds/sprig"
 	"github.com/takutakahashi/loadbalancer-controller/api/v1beta1"
 	batchv1 "k8s.io/api/batch/v1"
 	corev1 "k8s.io/api/core/v1"
@@ -262,7 +263,7 @@ func (t TerraformClient) genWithTpl(path string) (string, error) {
 		} else {
 			length = 31
 		}
-		err = tmpl.Execute(&result, struct {
+		err = tmpl.Funcs(sprig.TxtFuncMap()).Execute(&result, struct {
 			Name      string
 			B         *v1beta1.AWSBackend
 			ServiceIn bool

From 6fdfcbab0935cb921d4dbee6b013658bc9c715ea Mon Sep 17 00:00:00 2001
From: takutaka <takutaka@pepabo.com>
Date: Thu, 7 May 2020 19:58:58 +0900
Subject: [PATCH 2/2] mod to tf: define static resource and remove count

---
 pkg/terraform/terraform.go         |  5 +++--
 src/terraform/AWSBackend/lb.tf.tpl | 10 ++++++----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/pkg/terraform/terraform.go b/pkg/terraform/terraform.go
index 46fff49..1f2363f 100644
--- a/pkg/terraform/terraform.go
+++ b/pkg/terraform/terraform.go
@@ -7,6 +7,7 @@ import (
 	"io"
 	"net"
 	"os"
+	"path/filepath"
 	"regexp"
 	"text/template"
 	"time"
@@ -252,7 +253,7 @@ func (t TerraformClient) genTfvars() (string, error) {
 func (t TerraformClient) genWithTpl(path string) (string, error) {
 	awsBackend := t.awsBackend
 	if awsBackend != nil {
-		tmpl, err := template.ParseFiles(path)
+		tmpl, err := template.New(filepath.Base(path)).Funcs(sprig.TxtFuncMap()).ParseFiles(path)
 		if err != nil {
 			return "", err
 		}
@@ -263,7 +264,7 @@ func (t TerraformClient) genWithTpl(path string) (string, error) {
 		} else {
 			length = 31
 		}
-		err = tmpl.Funcs(sprig.TxtFuncMap()).Execute(&result, struct {
+		err = tmpl.Execute(&result, struct {
 			Name      string
 			B         *v1beta1.AWSBackend
 			ServiceIn bool
diff --git a/src/terraform/AWSBackend/lb.tf.tpl b/src/terraform/AWSBackend/lb.tf.tpl
index 5e18d20..91570ed 100644
--- a/src/terraform/AWSBackend/lb.tf.tpl
+++ b/src/terraform/AWSBackend/lb.tf.tpl
@@ -30,12 +30,14 @@ resource "aws_lb_target_group" "{{ $name }}_tg" {
   vpc_id      = var.vpc_id
 }
 
-resource "aws_lb_target_group_attachment" "{{ $name }}_tga" {
-  count            = length(var.{{ $name }}_targets)
+{{ range $i, $t := $tg.Targets }}
+
+resource "aws_lb_target_group_attachment" "{{ $name }}_tga_{{ $t.Destination.IP | replace "." "-"  }}_{{ $t.Port }}" {
   target_group_arn = aws_lb_target_group.{{ $name }}_tg.arn
-  target_id        = var.{{ $name }}_targets[count.index].destination
+  target_id        = "{{ $t.Destination.IP }}"
   availability_zone = "ap-northeast-1a"
-  port             = var.{{ $name }}_targets[count.index].port
+  port             = {{ $t.Port }}
 }
 
 {{- end }}
+{{- end }}