Merge pull request #17 from eksrvb/feature/parsing-yaml-and-json

add funktions to parse json and yaml

Author: eksrha

docs/commands/parseJSON.md

@@ -0,0 +1,48 @@
+---
+layout: default
+title: parseJSON
+parent: Commands
+nav_order: 3
+---
+
+# Parsing a JSON File
+
+```bash
+awesome-ci parseJSON [subcommand-option]
+```
+
+| Subcommand option | Description                    |
+| ----------------- | ------------------------------ |
+| `-file`           | your file location             |
+| `-value`          | your value you want to extract |
+
+## Examlpe
+
+Example demo.json:
+
+```json
+{
+  "value1": "hello",
+  "value2": "world",
+  "deepObject": {
+    "value1": "hello",
+    "value2": "world"
+  }
+}
+```
+
+Example command 1:
+
+```shell
+awesome-ci parseJSON -file demo.json -value .value2
+world
+```
+
+Example command 2:
+
+```shell
+awesome-ci parseJSON -file demo.json -value .deepObject
+map[value1:hello value2:world]
+```
+
+You can check more details of the json construct in one of the following versions.

docs/commands/parseYAML.md

@@ -0,0 +1,45 @@
+---
+layout: default
+title: parseYAML
+parent: Commands
+nav_order: 4
+---
+
+# Parsing a Yaml File
+
+```bash
+awesome-ci parseYAML [subcommand-option]
+```
+
+| Subcommand option | Description                    |
+| ----------------- | ------------------------------ |
+| `-file`           | your file location             |
+| `-value`          | your value you want to extract |
+
+## Examlpe
+
+Example demo.yaml:
+
+```yaml
+value1: hello
+value2: world
+deepObject:
+  value1: hello
+  value2: world
+```
+
+Example command 1:
+
+```shell
+awesome-ci parseYAML -file demo.yaml -value .value2
+world
+```
+
+Example command 2:
+
+```shell
+awesome-ci parseYAML -file demo.yaml -value .deepObject
+map[value1:hello value2:world]
+```
+
+You can check more details of the yaml construct in one of the following versions.

go.mod

@@ -9,4 +9,5 @@ require (
 	github.com/x-cray/logrus-prefixed-formatter v0.5.2
 	golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5 // indirect
 	golang.org/x/tools v0.1.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0
 )

go.sum

@@ -43,3 +43,6 @@ golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=

main.go

@@ -4,13 +4,16 @@ import (
 	"awesome-ci/service"
 	"flag"
 	"fmt"
+	"log"
 	"os"
 )
 
 var (
 	cienv         string
 	createRelease CreateReleaseSet
 	getBuildInfos getBuildInfosSet
+	parseJson     parseJsonYamlSet
+	parseYaml     parseJsonYamlSet
 	version       string
 	versionFlag   bool
 	//debug         bool
@@ -32,6 +35,12 @@ type getBuildInfosSet struct {
 	format     string
 }
 
+type parseJsonYamlSet struct {
+	fs    *flag.FlagSet
+	file  string
+	value string
+}
+
 func init() {
 	flag.StringVar(&cienv, "cienv", "Github", "set your CI Environment for Special Featueres!\nAvalible: Jenkins, Github, Gitlab, Custom\nDefault: Github")
 	flag.BoolVar(&versionFlag, "version", false, "print version by calling it")
@@ -50,6 +59,16 @@ func init() {
 	getBuildInfos.fs.StringVar(&getBuildInfos.version, "version", "", "override version to Update")
 	getBuildInfos.fs.StringVar(&getBuildInfos.patchLevel, "patchLevel", "", "predefine version to Update")
 	getBuildInfos.fs.StringVar(&getBuildInfos.format, "format", "pr,version", "define output by get")
+
+	// parseJSON
+	parseJson.fs = flag.NewFlagSet("parseJSON", flag.ExitOnError)
+	parseJson.fs.StringVar(&parseJson.file, "file", "", "file to be parsed")
+	parseJson.fs.StringVar(&parseJson.value, "value", "", "value for output")
+
+	// parseYAML
+	parseYaml.fs = flag.NewFlagSet("parseYAML", flag.ExitOnError)
+	parseYaml.fs.StringVar(&parseYaml.file, "file", "", "file to be parsed")
+	parseYaml.fs.StringVar(&parseYaml.value, "value", "", "value for output")
 }
 
 func main() {
@@ -62,6 +81,8 @@ func main() {
 		createRelease.fs.PrintDefaults()
 		fmt.Print("\nSubcommand: getBuildInfos\n")
 		getBuildInfos.fs.PrintDefaults()
+		fmt.Print("\nSubcommand: parseJSON, parseYAML\n")
+		parseJson.fs.PrintDefaults()
 		fmt.Print("\nUsage:\n  awesome-ci [subcommand] [options]\n")
 		fmt.Print("\nUse awesome-ci createRelease -patchLevel bugfix -dry-run\n")
 		fmt.Print("CI examples at: https://github.com/eksrvb/awesome-ci\n")
@@ -70,6 +91,7 @@ func main() {
 
 	if versionFlag {
 		fmt.Println(version)
+		os.Exit(0)
 	}
 
 	switch os.Args[1] {
@@ -79,5 +101,13 @@ func main() {
 	case "getBuildInfos":
 		getBuildInfos.fs.Parse(os.Args[2:])
 		service.GetBuildInfos(cienv, &getBuildInfos.version, &getBuildInfos.patchLevel, &getBuildInfos.format)
+	case "parseJSON":
+		parseJson.fs.Parse(os.Args[2:])
+		service.ParseJson(&parseJson.file, &parseJson.value)
+	case "parseYAML":
+		parseYaml.fs.Parse(os.Args[2:])
+		service.ParseYaml(&parseYaml.file, &parseYaml.value)
+	default:
+		log.Fatalln("Not a valid Subcommand")
 	}
 }

service/parseJsonYaml.go

@@ -0,0 +1,66 @@
+package service
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"strings"
+
+	"gopkg.in/yaml.v2"
+)
+
+func ParseJson(file *string, pvalue *string) {
+	value := *pvalue
+
+	dat, err := ioutil.ReadFile(*file)
+	check(err)
+
+	if strings.HasPrefix(*pvalue, "[]") {
+		var result map[interface{}]interface{}
+
+		json.Unmarshal(dat, &result)
+
+		fmt.Print(result[value[2:]])
+	} else if strings.HasPrefix(*pvalue, ".") {
+		var result map[string]interface{}
+
+		json.Unmarshal(dat, &result)
+
+		fmt.Print(result[value[1:]])
+	} else {
+		var result map[string]interface{}
+
+		json.Unmarshal(dat, &result)
+
+		fmt.Print(result[value])
+
+	}
+}
+
+func ParseYaml(file *string, pvalue *string) {
+	value := *pvalue
+
+	dat, err := ioutil.ReadFile(*file)
+	check(err)
+
+	if strings.HasPrefix(*pvalue, "[]") {
+		var result map[interface{}]interface{}
+
+		yaml.Unmarshal(dat, &result)
+
+		fmt.Print(result[value[2:]])
+	} else if strings.HasPrefix(*pvalue, ".") {
+		var result map[string]interface{}
+
+		yaml.Unmarshal(dat, &result)
+
+		fmt.Print(result[value[1:]])
+	} else {
+		var result map[string]interface{}
+
+		yaml.Unmarshal(dat, &result)
+
+		fmt.Print(result[value])
+
+	}
+}

service/service.go

@@ -12,6 +12,12 @@ type infosMergeMessage struct {
 	PatchLevel string
 }
 
+func check(e error) {
+	if e != nil {
+		panic(e)
+	}
+}
+
 func runcmd(cmd string, shell bool) string {
 	if shell {
 		out, err := exec.Command("bash", "-c", cmd).Output()

tests/testdata/values.json

@@ -0,0 +1,8 @@
+{
+    "value1": "hello",
+    "value2": "world",
+    "deepObject": {
+        "value1": "hello",
+        "value2": "world"
+    }
+}

tests/testdata/values.yaml

@@ -0,0 +1,5 @@
+value1: hello
+value2: world
+deepObject:
+  value1: hello
+  value2: world