parse job definitions from YAML file

internal/jobs/parse.go

@@ -0,0 +1,27 @@
+package jobs
+
+import (
+	"io"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+type JobsRoot struct {
+	Jobs []BackupJob `yaml:"jobs"`
+}
+
+func Parse(reader io.Reader) ([]BackupJob, error) {
+	dec := yaml.NewDecoder(reader)
+	var jobsRoot JobsRoot
+	err := dec.Decode(&jobsRoot)
+	return jobsRoot.Jobs, err
+}
+
+func ParseFile(path string) ([]BackupJob, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	return Parse(f)
+}