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TOOLS-65 implement hclwrite #11

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merged 1 commit into from
Oct 19, 2021
Merged

TOOLS-65 implement hclwrite #11

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2 changes: 1 addition & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,12 @@ require (
github.com/containerd/containerd v1.5.4 // indirect
github.com/docker/docker v20.10.7+incompatible
github.com/docker/go-connections v0.4.0 // indirect
github.com/hairyhenderson/gomplate v3.5.0+incompatible
github.com/hashicorp/hcl/v2 v2.10.1
github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6
github.com/morikuni/aec v1.0.0 // indirect
github.com/pterm/pterm v0.12.31
github.com/spf13/cobra v1.2.1
github.com/spf13/viper v1.8.1
github.com/zclconf/go-cty v1.8.0
go.uber.org/zap v1.19.0
)
2 changes: 0 additions & 2 deletions go.sum
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Expand Up @@ -416,8 +416,6 @@ github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgf
github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
github.com/hairyhenderson/gomplate v3.5.0+incompatible h1:6nGYcdaY6UvcOG79HZl1zYURQ2pTGTvX6sjmoB8GODU=
github.com/hairyhenderson/gomplate v3.5.0+incompatible/go.mod h1:eZqaEBQQCLueOLnZ2NWeVbi1zYJy8/rRl3uQHmT9QPQ=
github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
github.com/hashicorp/errwrap v0.0.0-20141028054710-7554cd9344ce/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
Expand Down
2 changes: 1 addition & 1 deletion internal/commands/env.go
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ func (b *commandsBuilder) newEnvCmd() *envCmd {

pterm.DefaultSection.Printfln("Starting generate terrafrom files")

err = template.GenereateBackendTf(template.BackendOpts{
err = template.GenerateBackendTf(template.BackendOpts{
ENV: cc.config.Env,
LOCALSTACK_ENDPOINT: "",
TERRAFORM_STATE_BUCKET_NAME: fmt.Sprintf("%s-tf-state", cc.config.Namespace),
Expand Down
54 changes: 0 additions & 54 deletions internal/template/backend.go
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134 changes: 94 additions & 40 deletions internal/template/template.go
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Original file line number Diff line number Diff line change
@@ -1,59 +1,133 @@
package template

import (
"context"
"fmt"
"os"
"strings"
"text/template"

"github.com/hairyhenderson/gomplate/conv"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/hcl/v2/hclwrite"
"github.com/zclconf/go-cty/cty"
)

const (
backend = "backend.tf"
vars = "terraform.tfvars"
)

func GenereateBackendTf(opts BackendOpts, path string) error {
tmpl, err := template.New(backend).Funcs(CreateStringFuncs(context.Background())).Parse(backendTemplate)
if err != nil {
return err
}
func GenerateVarsTf(opts VarsOpts, path string) error {
f := hclwrite.NewEmptyFile()

file, err := os.Create(fmt.Sprintf("%s/%s", path, backend))
rootBody := f.Body()

rootBody.SetAttributeValue("env", cty.StringVal(opts.ENV))
rootBody.SetAttributeValue("aws_profile", cty.StringVal(opts.AWS_PROFILE))
rootBody.SetAttributeValue("aws_region", cty.StringVal(opts.AWS_REGION))
rootBody.SetAttributeValue("ec2_key_pair_name", cty.StringVal(opts.EC2_KEY_PAIR_NAME))
rootBody.SetAttributeValue("docker_image_tag", cty.StringVal(opts.TAG))
rootBody.SetAttributeValue("ssh_public_key", cty.StringVal(opts.SSH_PUBLIC_KEY))
rootBody.SetAttributeValue("docker_registry", cty.StringVal(opts.DOCKER_REGISTRY))
rootBody.SetAttributeValue("namespace", cty.StringVal(opts.NAMESPACE))

file, err := os.Create(fmt.Sprintf("%s/%s", path, vars))
if err != nil {
return err
}

err = tmpl.Execute(file, opts)
defer file.Close()

_, err = f.WriteTo(file)
if err != nil {
return err
}

file.Close()

return nil
}

func GenerateVarsTf(opts VarsOpts, path string) error {
tmpl, err := template.New(vars).Funcs(CreateStringFuncs(context.Background())).Parse(varsTemplate)
if err != nil {
return err
func GenerateBackendTf(opts BackendOpts, path string) error {
f := hclwrite.NewEmptyFile()

if strings.Contains(opts.ENV, "localstack") || strings.Contains(opts.ENV, "local") {
rootBody := f.Body()
// AWS Provider block
providerBlock := rootBody.AppendNewBlock("provider", []string{"aws"})
providerBlock.Body().SetAttributeTraversal("profile", hcl.Traversal{
hcl.TraverseRoot{Name: "var"},
hcl.TraverseAttr{Name: "aws_profile"},
})
providerBlock.Body().SetAttributeTraversal("region", hcl.Traversal{
hcl.TraverseRoot{Name: "var"},
hcl.TraverseAttr{Name: "aws_region"},
})
providerBlock.Body().SetAttributeValue("s3_force_path_style", cty.True)
providerBlock.Body().SetAttributeValue("secret_key", cty.StringVal("mock_secret_key"))
providerBlock.Body().SetAttributeValue("skip_credentials_validation", cty.True)
providerBlock.Body().SetAttributeValue("skip_metadata_api_check", cty.True)
providerBlock.Body().SetAttributeValue("skip_requesting_account_id", cty.True)
rootBody.AppendNewline()

// Endpoints
endpointBlock := rootBody.AppendNewBlock("endpoints", []string{})
endpointBlock.Body().SetAttributeValue("apigateway", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("acm", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("cloudformation", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("cloudwatch", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("ec2", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("dynamodb", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("es", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("firehose", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("iam", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("kinesis", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("lambda", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("route53", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("redshift", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("s3", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("secretsmanager", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("ses", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("sns", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("sqs", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("ssm", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("stepfunctions", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("sts", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("ecs", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
endpointBlock.Body().SetAttributeValue("ecr", cty.StringVal(opts.LOCALSTACK_ENDPOINT))
} else {
rootBody := f.Body()
// AWS Provider block
providerBlock := rootBody.AppendNewBlock("provider", []string{"aws"})
providerBlock.Body().SetAttributeTraversal("profile", hcl.Traversal{
hcl.TraverseRoot{Name: "var"},
hcl.TraverseAttr{Name: "aws_profile"},
})
providerBlock.Body().SetAttributeTraversal("region", hcl.Traversal{
hcl.TraverseRoot{Name: "var"},
hcl.TraverseAttr{Name: "aws_region"},
})
rootBody.AppendNewline()

// Terraform block
terraformBlock := f.Body().AppendNewBlock("terraform", []string{})
// backend s3 block
backendBlock := terraformBlock.Body().AppendNewBlock("backend", []string{"s3"})
backendBlock.Body().SetAttributeValue("bucket", cty.StringVal(opts.TERRAFORM_STATE_BUCKET_NAME))
backendBlock.Body().SetAttributeValue("key", cty.StringVal(opts.TERRAFORM_STATE_KEY))
backendBlock.Body().SetAttributeValue("region", cty.StringVal(opts.TERRAFORM_STATE_REGION))
backendBlock.Body().SetAttributeValue("profile", cty.StringVal(opts.TERRAFORM_STATE_PROFILE))
backendBlock.Body().SetAttributeValue("dynamodb_table", cty.StringVal(opts.TERRAFORM_STATE_DYNAMODB_TABLE))
}

file, err := os.Create(fmt.Sprintf("%s/%s", path, vars))
file, err := os.Create(fmt.Sprintf("%s/%s", path, backend))
if err != nil {
return err
}

err = tmpl.Execute(file, opts)
defer file.Close()

_, err = f.WriteTo(file)
if err != nil {
return err
}

file.Close()

return nil
}

Expand All @@ -78,23 +152,3 @@ type BackendOpts struct {
TERRAFORM_STATE_DYNAMODB_TABLE string
TERRAFORM_AWS_PROVIDER_VERSION string
}

func CreateStringFuncs(ctx context.Context) map[string]interface{} {
f := map[string]interface{}{}

ns := &StringFuncs{ctx}
f["strings"] = func() interface{} { return ns }

f["contains"] = strings.Contains

return f
}

// Contains -
func (StringFuncs) Contains(substr string, s interface{}) bool {
return strings.Contains(conv.ToString(s), substr)
}

type StringFuncs struct {
ctx context.Context
}
10 changes: 0 additions & 10 deletions internal/template/vars.go
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