Fix problems loading external services on boot (like ubuntu-console or kernel-headers)

On arm64 external services would not load on boot because of DNS i/o timeouts or valid TLS certificates appearing expired or not issued yet (I know that sounds weird).

compose/project.go

@@ -177,7 +177,7 @@ func newCoreServiceProject(cfg *config.CloudConfig, network bool) (*project.Proj
 
 	go func() {
 		for event := range projectEvents {
-			if event.EventType == project.EventContainerStarted && event.ServiceName == "network" {
+			if event.EventType == project.EventContainerStarted && event.ServiceName == "ntp" {
 				network = true
 			}
 		}

os-config.tpl.yml

@@ -105,7 +105,7 @@ rancher:
         io.rancher.os.detach: "false"
         io.rancher.os.reloadconfig: "true"
         io.rancher.os.scope: system
-        io.rancher.os.after: cloud-init-pre, wait-for-network
+        io.rancher.os.after: cloud-init-pre, wait-for-network, ntp
       net: host
       uts: host
       privileged: true
@@ -207,7 +207,7 @@ rancher:
       image: {{.OS_IMAGES_ROOT}}/os-ntp:{{.VERSION}}{{.SUFFIX}}
       labels:
         io.rancher.os.scope: system
-        io.rancher.os.after: cloud-init, wait-for-network
+        io.rancher.os.after: wait-for-network
       net: host
       uts: host
       privileged: true

scripts/run

@@ -196,6 +196,7 @@ if [ "$QEMU" == "1" ]; then
         CPU="-cpu host"
     fi
     exec qemu-system-${QEMUARCH} -serial stdio \
+        -rtc base=utc,clock=host \
         ${KVM_ENABLE} \
         ${CPU} \
         ${machine["$ARCH"]} \

util/util.go

@@ -274,6 +274,16 @@ func DirLs(dir string) ([]interface{}, error) {
 	return result, nil
 }
 
+func retryHttp(f func() (*http.Response, error), times int) (resp *http.Response, err error) {
+	for i := 0; i < times; i++ {
+		if resp, err = f(); err == nil {
+			return
+		}
+		log.Warnf("Error making HTTP request: %s. Retrying", err)
+	}
+	return
+}
+
 func LoadResource(location string, network bool, urls []string) ([]byte, error) {
 	var bytes []byte
 	err := ErrNotFound
@@ -282,7 +292,7 @@ func LoadResource(location string, network bool, urls []string) ([]byte, error)
 		if !network {
 			return nil, ErrNoNetwork
 		}
-		resp, err := http.Get(location)
+		resp, err := retryHttp(func() (*http.Response, error) { return http.Get(location) }, 8)
 		if err != nil {
 			return nil, err
 		}