initial http support

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

pkg/config/config.go

@@ -22,6 +22,7 @@ type Check struct {
 	Tasks    []*Task        `json:"tasks,omitempty" yaml:"tasks,omitempty"`
 	Timeout  mtime.Duration `json:"timeout,omitempty" yaml:"timeout,omitempty"`
 	Interval mtime.Duration `json:"interval,omitempty" yaml:"interval,omitempty"`
+	Active   bool           `json:"active,omitempty" yaml:"active,omitempty"`
 }
 
 type HTTPConfig struct {
@@ -52,6 +53,7 @@ type Task struct {
 	TLSVerify *bool          `json:"tls_verify,omitempty" yaml:"tls_verify,omitempty"`
 	Name      string         `json:"name,omitempty" yaml:"name,omitempty"`
 	Timeout   mtime.Duration `json:"timeout,omitempty" yaml:"timeout,omitempty"`
+	Active    bool           `json:"active,omitempty" yaml:"active,omitempty"`
 }
 
 func (cfg *Config) Parse(r io.Reader) error {