groundwork (#140)

kubernetes/migration/notice.go

@@ -0,0 +1,40 @@
+package migration
+
+import "fmt"
+
+// Notice is a migration warning
+type Notice struct {
+	Plugin     string
+	Option     string
+	Severity   string // 'deprecated', 'removed', or 'unsupported'
+	ReplacedBy string
+	Additional string
+	Version    string
+}
+
+func (n *Notice) ToString() string {
+	s := ""
+	if n.Option == "" {
+		s += fmt.Sprintf(`Plugin "%v" `, n.Plugin)
+	} else {
+		s += fmt.Sprintf(`Option "%v" in plugin "%v" `, n.Option, n.Plugin)
+	}
+	if n.Severity == unsupported {
+		s += "is unsupported by this migration tool in " + n.Version + "."
+	} else {
+		s += "was " + n.Severity + " in " + n.Version + "."
+	}
+	if n.ReplacedBy != "" {
+		s += fmt.Sprintf(` It is replaced by "%v".`, n.ReplacedBy)
+	}
+	if n.Additional != "" {
+		s += " " + n.Additional
+	}
+	return s
+}
+
+const (
+	deprecated  = "deprecated"  // plugin/option is deprecated
+	removed     = "removed"     // plugin/option has been removed
+	unsupported = "unsupported" // plugin/option is not supported by the migration tool
+)