[WIP] Initial commit

Author: francoishill

README.md

@@ -1,2 +1,4 @@
 # yaml-script-runner
 Just a basic script runner to easily abort/continue on previous step failure
+
+# WIP: Working on first implementation

main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		log.Fatal("The first command-line argument must be the YAML file path.")
+	}
+
+	yamlFilePath := os.Args[1]
+
+	setup, err := ParseYamlFile(yamlFilePath)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	cmds, err := setup.GetExecCommandsFromSteps()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, c := range cmds {
+		out, err := c.CombinedOutput()
+		if err != nil {
+			errMsg := fmt.Sprintf("ERROR (continue=%t): %s. OUT: %s\n", setup.ContinueIfStepFailed, err.Error(), string(out))
+			if !setup.ContinueIfStepFailed {
+				log.Fatalln(errMsg)
+			} else {
+				log.Println(errMsg)
+				continue
+			}
+		}
+
+		fmt.Println(string(out))
+	}
+}

setup.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"github.com/ghodss/yaml"
+	"github.com/golang-devops/parsecommand"
+	"io/ioutil"
+	"os/exec"
+)
+
+type setup struct {
+	ContinueIfStepFailed bool `json:"continue_if_step_failed"`
+	Executor             []string
+	Steps                []string
+}
+
+func (s *setup) GetExecCommandsFromSteps() ([]*exec.Cmd, error) {
+	cmds := []*exec.Cmd{}
+
+	for _, step := range s.Steps {
+		splittedStep, err := parsecommand.Parse(step)
+		if err != nil {
+			return nil, err
+		}
+
+		allArgs := s.Executor
+		allArgs = append(allArgs, splittedStep...)
+
+		exe := allArgs[0]
+		args := []string{}
+		if len(allArgs) > 1 {
+			args = allArgs[1:]
+		}
+
+		cmds = append(cmds, exec.Command(exe, args...))
+	}
+
+	return cmds, nil
+}
+
+func ParseYamlFile(filePath string) (*setup, error) {
+	yamlBytes, err := ioutil.ReadFile(filePath)
+	if err != nil {
+		return nil, err
+	}
+
+	s := &setup{}
+	err = yaml.Unmarshal(yamlBytes, s)
+	if err != nil {
+		return nil, err
+	}
+
+	return s, nil
+}