adding json serialization to all classes

Signed-off-by: Khash Sajadi <khash@cloud66.com>

utils/preflight.go

@@ -8,10 +8,10 @@ import (
 
 // Preflight is a check that runs at the beginning of the workflow
 type Preflight struct {
-	Command string         `yaml:"command"`
-	Message string         `yaml:"message"`
-	Workdir string         `yaml:"workdir"`
-	Timeout *time.Duration `yaml:"timeout"`
+	Command string         `yaml:"command" json:"command"`
+	Message string         `yaml:"message" json:"message"`
+	Workdir string         `yaml:"workdir" json:"workdir"`
+	Timeout *time.Duration `yaml:"timeout" json:"timeout"`
 
 	step *Step
 }

utils/probe.go

@@ -2,8 +2,8 @@ package utils
 
 // Probe defines a checker for a Step's health
 type Probe struct {
-	Command string `yaml:"command"`
-	Workdir string `yaml:"workdir"`
+	Command string `yaml:"command" json:"command"`
+	Workdir string `yaml:"workdir" json:"workdir"`
 
 	cmd  string
 	args []string

utils/step.go

@@ -23,15 +23,15 @@ type StepOptions struct {
 
 // Step is a single running Step
 type Step struct {
-	Metadata       map[string]string `yaml:"metadata"`
-	Name           string            `yaml:"name"`
-	Command        string            `yaml:"command"`
-	ContinueOnFail bool              `yaml:"continue_on_fail"`
-	Timeout        *time.Duration    `yaml:"timeout"`
-	Workdir        string            `yaml:"workdir"`
-	Probe          *Probe            `yaml:"probe"`
-	DependsOn      []string          `yaml:"depends_on"`
-	Preflights     []Preflight       `yaml:"preflights"`
+	Metadata       map[string]string `yaml:"metadata" json:"metadata"`
+	Name           string            `yaml:"name" json:"name"`
+	Command        string            `yaml:"command" json:"command"`
+	ContinueOnFail bool              `yaml:"continue_on_fail" json:"continue_on_fail"`
+	Timeout        *time.Duration    `yaml:"timeout" json:"timeout"`
+	Workdir        string            `yaml:"workdir" json:"workdir"`
+	Probe          *Probe            `yaml:"probe" json:"probe"`
+	DependsOn      []string          `yaml:"depends_on" json:"depends_on"`
+	Preflights     []Preflight       `yaml:"preflights" json:"preflights"`
 
 	options   *StepOptions
 	workflow  *Workflow

utils/workflow.go

@@ -24,9 +24,9 @@ type WorkflowOptions struct {
 
 // Workflow is the internal object to hold a workflow file
 type Workflow struct {
-	Version  string
-	Metadata map[string]string
-	Steps    []*Step
+	Version  string            `yaml:"version" json:"version"`
+	Metadata map[string]string `yaml:"metadata" json:"metadata"`
+	Steps    []*Step           `yaml:"steps" json:"steps"`
 
 	options    *WorkflowOptions
 	logger     *logrus.Logger