parse job definitions from YAML file

internal/jobs/jobs.go

@@ -16,12 +16,12 @@ import (
 )
 
 type BackupJob struct {
-	Source     string // the source dataset (e.g., zroot)
-	TargetHost string // SSH-compatible host
-	Target     string // the target dataset
-	Keep       int    // number of snapshots to keep
-	Prefix     string // name each snapshot with this prefix
-	Recursive  bool   // create recursive snapshots
+	Source     string `yaml:"source"`     // the source dataset (e.g., zroot)
+	TargetHost string `yaml:"targetHost"` // SSH-compatible host
+	Target     string `yaml:"target"`     // the target dataset
+	Keep       int    `yaml:"keep"`       // number of snapshots to keep
+	Recursive  bool   `yaml:"recursive"`  // create recursive snapshots
+	Prefix     string `yaml:"prefix"`     // name each snapshot with this prefix
 }
 
 //	func (j *BackupJob) getBaseSnap() {

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)
+}

internal/jobs/parse_test.go

@@ -0,0 +1,26 @@
+package jobs_test
+
+import (
+	"strings"
+	"testing"
+
+	"git.gentoo.party/sam/thanks/internal/jobs"
+	"github.com/stretchr/testify/assert"
+)
+
+const testParseStr = `
+jobs:
+  - source: "zroot/home/sam/thanks"
+    target: "zrust/backup/weller/thanks"
+    targetHost: "backup@woodford.gentoo.party"
+    keep: 30
+    prefix: "thanks-"
+    recursive: false
+`
+
+func TestParse(t *testing.T) {
+	reader := strings.NewReader(testParseStr)
+	backupJobs, err := jobs.Parse(reader)
+	assert.Nil(t, err)
+	assert.Equal(t, backupJobs[0].Source, "zroot/home/sam/thanks")
+}