feat: load config from file

cmd/root.go

@@ -22,9 +22,9 @@ var rootCmd = &cobra.Command{
 }
 
 func init() {
-	rootCmd.Flags().StringVarP(&stage, "stage", "s", "", "stage to deploy to")
-	rootCmd.Flags().StringVarP(&config, "config", "c", "safebox.yml", "path to safebox configuration file")
-	rootCmd.MarkFlagRequired("stage")
+	rootCmd.PersistentFlags().StringVarP(&stage, "stage", "s", "", "stage to deploy to")
+	rootCmd.PersistentFlags().StringVarP(&config, "config", "c", "safebox.yml", "path to safebox configuration file")
+	rootCmd.MarkPersistentFlagRequired("stage")
 }
 
 func Execute(version string) {

cmd/run.go

@@ -1,6 +1,8 @@
 package cmd
 
 import (
+	"log"
+
 	c "github.com/adikari/safebox/v2/config"
 	"github.com/spf13/cobra"
 )
@@ -10,14 +12,22 @@ var runCmd = &cobra.Command{
 	Use:     "run",
 	Short:   "Deploys all configurations specified in config file",
 	RunE:    execute,
-	Example: `TODO`,
+	Example: `TODO: run command example`,
 }
 
 func init() {
 	rootCmd.AddCommand(runCmd)
 }
 
 func execute(cmd *cobra.Command, args []string) error {
-	c.LoadConfig()
+	params := c.LoadParam{
+		Path:  config,
+		Stage: stage,
+	}
+
+	config, err := c.Load(params)
+
+	log.Printf("%v", config)
+	log.Printf("%v", err)
 	return nil
 }

config/config.go

@@ -2,49 +2,91 @@ package config
 
 import (
 	"errors"
+	"fmt"
 	"io/ioutil"
 
 	"gopkg.in/yaml.v2"
 )
 
-type ConfigParam struct {
-	Name        string
-	Description string
-	Value       string
-	Override    map[string]string
-	Secret      bool
-	Required    bool
+type rawConfig struct {
+	Provider string
+	Service  string
+
+	Config map[string]map[string]string
 }
 
-type Config struct {
+type config struct {
 	Provider string
+	Service  string
+	Config   map[string]string
+}
 
-	Defaults struct {
-		Path string
-	}
-
-	Params []ConfigParam
+type LoadParam struct {
+	Path  string
+	Stage string
 }
 
-func loadConfig() (*Config, error) {
-	path := "example/safebox.yml"
-	yamlFile, err := ioutil.ReadFile(path)
+func Load(param LoadParam) (*config, error) {
+	yamlFile, err := ioutil.ReadFile(param.Path)
 
-	config := Config{}
+	rc := rawConfig{}
 
 	if err != nil {
-		return nil, errors.New("Could not find config file: " + path)
+		return nil, errors.New("Could not find config file: " + param.Path)
 	}
 
-	err = yaml.Unmarshal(yamlFile, &config)
+	err = yaml.Unmarshal(yamlFile, &rc)
 
 	if err != nil {
 		return nil, errors.New("Could not parse config file")
 	}
 
-	return &config, nil
+	c := config{}
+	c.Service = rc.Service
+	c.Provider = rc.Provider
+	parseConfig(rc, &c, param)
+
+	return &c, nil
+}
+
+func parseConfig(rc rawConfig, c *config, param LoadParam) {
+	c.Config = map[string]string{}
+
+	var defaultConfig map[string]string
+	var sharedConfig map[string]string
+	var envConfig map[string]string
+
+	for key, value := range rc.Config {
+		if key == "defaults" {
+			defaultConfig = value
+		}
+
+		if key == "shared" {
+			sharedConfig = value
+		}
+
+		if key == param.Stage {
+			envConfig = value
+		}
+	}
+
+	for key, value := range defaultConfig {
+		c.Config[formatKey(param.Stage, c.Service, key)] = value
+	}
+
+	for key, value := range sharedConfig {
+		c.Config[formatSharedKey(param.Stage, key)] = value
+	}
+
+	for key, value := range envConfig {
+		c.Config[formatKey(param.Stage, c.Service, key)] = value
+	}
+}
+
+func formatSharedKey(stage string, key string) string {
+	return fmt.Sprintf("/%s/shared/%s", stage, key)
 }
 
-func GetConfig() []ConfigParam {
-	return nil
+func formatKey(stage string, service string, key string) string {
+	return fmt.Sprintf("/%s/%s/%s", stage, service, key)
 }

example/safebox.yml

@@ -1,23 +1,18 @@
+service: safebox
 provider: ssm
 
-defaults:
-  path: /${STAGE}/gateway/
+config:
+  defaults:
+    DB_NAME: "database name"
+    API_ENDPOINT: "endpoint"
 
-params:
-  - name: DB_NAME
-    description: 'database name'
-    value: database-name
-    override:
-      production: production-database-name
-      staging: staging-database-name
+  prod:
+    DB_NAME: "production db name"
 
-  - name: DB_PASSWORD
-    description: 'database password'
-    secret: true
+  dev:
+    DB_NAME: "dev db name"
+
+  shared:
+    SHARED_KEY: "shared key"
 
-  - name: DB_PORT
-    required: false
 
-  - name: DATADOG_API_KEY
-    path: /shared/
-    secret: true

go.mod

@@ -3,11 +3,13 @@ module github.com/adikari/safebox/v2
 go 1.19
 
 require (
+	github.com/aws/aws-sdk-go v1.44.107
 	github.com/spf13/cobra v1.5.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
 	github.com/inconshreveable/mousetrap v1.0.1 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 )

go.sum

@@ -1,13 +1,32 @@
+github.com/aws/aws-sdk-go v1.44.107 h1:VP7Rq3wzsOV7wrfHqjAAKRksD4We58PaoVSDPKhm8nw=
+github.com/aws/aws-sdk-go v1.44.107/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/inconshreveable/mousetrap v1.0.1 h1:U3uMjPSQEBMNp1lFxmllqCPM6P5u/Xq7Pgzkat/bFNc=
 github.com/inconshreveable/mousetrap v1.0.1/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
+github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
+github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
+github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/spf13/cobra v1.5.0 h1:X+jTBEBqF0bHN+9cSMgmfuvv2VHJ9ezmFNf9Y/XstYU=
 github.com/spf13/cobra v1.5.0/go.mod h1:dWXEIy2H428czQCjInthrTRUg7yKbok+2Qi/yBIJoUM=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=