Resolved yamlencode issue by upgrading to terraform 0.12.12 | Added read aws secrets & setting cmd envar for aws

ShahNewazKhan · ShahNewazKhan · commit 8c187f57a92a · 2019-11-09T17:01:09.000-08:00
diff --git a/Dockerfile b/Dockerfile
@@ -36,7 +36,7 @@ RUN mkdir -p /tmp/protoc && \
 
 RUN GO111MODULE=off go get -u github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
 
-RUN curl -kLo /tmp/terraform.zip "https://releases.hashicorp.com/terraform/0.12.0/terraform_0.12.0_linux_amd64.zip" && \
+RUN curl -kLo /tmp/terraform.zip "https://releases.hashicorp.com/terraform/0.12.12/terraform_0.12.12_linux_amd64.zip" && \
 unzip -d /usr/local/bin/ /tmp/terraform.zip
 
 RUN apk add --update bash ca-certificates git python && \
diff --git a/README.md b/README.md
@@ -79,6 +79,10 @@ As the templates are embeded into the binary you will need to ensure packr2 is i
 
 You can run `make deps-go` to install this.
 
+As there alot of dependencies it will be easier to use this tool within the provided image, clone the repo and then run `make build-docker-local`.
+
+The best way then to use this is to add an alias, then you can use the CLI as if it was installed as usual on your machine:
+`alias commit0='docker run -it -v "$(pwd):/project" commit0:v0'`
 
 ### Dependencies
 
diff --git a/internal/generate/kubernetes/generate.go b/internal/generate/kubernetes/generate.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"log"
 	"os"
 	"os/exec"
@@ -46,13 +47,14 @@ func Execute(config *config.Commit0Config, pathPrefix string) {
 			writeSecrets(awsSecrets)
 		}
 
+		envars := getAwsEnvars(readSecrets())
 		log.Println("Planning infrastructure...")
-		execute(exec.Command("terraform", "init"), pathPrefix)
-		execute(exec.Command("terraform", "plan"), pathPrefix)
+		execute(exec.Command("terraform", "init"), pathPrefix, envars)
+		execute(exec.Command("terraform", "plan"), pathPrefix, envars)
 	}
 }
 
-func execute(cmd *exec.Cmd, pathPrefix string) {
+func execute(cmd *exec.Cmd, pathPrefix string, envars []string) {
 	dir, err := os.Getwd()
 
 	if err != nil {
@@ -65,6 +67,12 @@ func execute(cmd *exec.Cmd, pathPrefix string) {
 	stderrPipe, _ := cmd.StderrPipe()
 
 	var errStdout, errStderr error
+
+	if envars != nil {
+		log.Println("Setting envars to cmd ...")
+		cmd.Env = envars
+	}
+
 	err = cmd.Start()
 	if err != nil {
 		log.Fatalf("Starting terraform command failed: %v\n", err)
@@ -91,6 +99,41 @@ func execute(cmd *exec.Cmd, pathPrefix string) {
 	}
 }
 
+func getAwsEnvars(awsSecrets Secrets) []string {
+	env := os.Environ()
+	env = append(env, fmt.Sprintf("AWS_ACCESS_KEY_ID=%s", awsSecrets.Aws.AwsAccessKeyID))
+	env = append(env, fmt.Sprintf("AWS_SECRET_ACCESS_KEY=%s", awsSecrets.Aws.AwsSecretAccessKey))
+	env = append(env, fmt.Sprintf("AWS_DEFAULT_REGION=%s", awsSecrets.Aws.Region))
+
+	return env
+}
+
+func readSecrets() Secrets {
+
+	dir, err := os.Getwd()
+
+	if err != nil {
+		log.Fatalf("Getting working directory failed: %v\n", err)
+		panic(err)
+	}
+
+	secretsFile := fmt.Sprintf("%s/secrets.yaml", dir)
+
+	data, err := ioutil.ReadFile(secretsFile)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	awsSecrets := Secrets{}
+
+	err = yaml.Unmarshal(data, &awsSecrets)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return awsSecrets
+}
+
 func writeSecrets(s Secrets) {
 	secretsYaml, err := yaml.Marshal(&s)
 
@@ -120,7 +163,7 @@ func writeSecrets(s Secrets) {
 
 	n3, err := f.WriteString(string(secretsYaml))
 	f.Sync()
-	log.Printf("wrote %d bytes to %v", n3, secretsFile)
+	log.Printf("Wrote %d bytes to %v", n3, secretsFile)
 
 }
 
