Initial commit

vendor/github.com/hyperhq/hypercli/runconfig/compare.go

@@ -0,0 +1,61 @@
+package runconfig
+
+import "github.com/docker/engine-api/types/container"
+
+// Compare two Config struct. Do not compare the "Image" nor "Hostname" fields
+// If OpenStdin is set, then it differs
+func Compare(a, b *container.Config) bool {
+	if a == nil || b == nil ||
+		a.OpenStdin || b.OpenStdin {
+		return false
+	}
+	if a.AttachStdout != b.AttachStdout ||
+		a.AttachStderr != b.AttachStderr ||
+		a.User != b.User ||
+		a.OpenStdin != b.OpenStdin ||
+		a.Tty != b.Tty {
+		return false
+	}
+
+	if len(a.Cmd) != len(b.Cmd) ||
+		len(a.Env) != len(b.Env) ||
+		len(a.Labels) != len(b.Labels) ||
+		len(a.ExposedPorts) != len(b.ExposedPorts) ||
+		len(a.Entrypoint) != len(b.Entrypoint) ||
+		len(a.Volumes) != len(b.Volumes) {
+		return false
+	}
+
+	for i := 0; i < len(a.Cmd); i++ {
+		if a.Cmd[i] != b.Cmd[i] {
+			return false
+		}
+	}
+	for i := 0; i < len(a.Env); i++ {
+		if a.Env[i] != b.Env[i] {
+			return false
+		}
+	}
+	for k, v := range a.Labels {
+		if v != b.Labels[k] {
+			return false
+		}
+	}
+	for k := range a.ExposedPorts {
+		if _, exists := b.ExposedPorts[k]; !exists {
+			return false
+		}
+	}
+
+	for i := 0; i < len(a.Entrypoint); i++ {
+		if a.Entrypoint[i] != b.Entrypoint[i] {
+			return false
+		}
+	}
+	for key := range a.Volumes {
+		if _, exists := b.Volumes[key]; !exists {
+			return false
+		}
+	}
+	return true
+}