Attachment 520659 Details for Bug 798348

[patch] yast2: prototype patch to use network.service instead NETWORKMANAGER

yast2-2.23.18.diff (text/plain), 6.39 KB, created by Marius Tomaschewski on 2013-01-17 15:49:42 UTC

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Creator: Marius Tomaschewski

Created: 2013-01-17 15:49:42 UTC

Size: 6.39 KB

patch

obsolete

>--- library/network/src/NetworkService.ycp
>+++ library/network/src/NetworkService.ycp	2013/01/17 15:32:31
>@@ -27,8 +27,21 @@ you may find current contact information
>  *
>  * $Id$
>  *
>- * This module used to switch between rcnetwork and rcnetworkmanager.
>- * Now the master switch is /etc/sysconfig/network/config:NETWORKMANAGER
>+ * This module used to switch between /etc/init.d/network providing
>+ * LSB network.service and the NetworkManager.service (or another),
>+ * which installs a network.service alias link.
>+ *
>+ * The service name installing the network.sevice is visible in the
>+ * "Id" systemctl property:
>+ *
>+ *     # systemctl --no-pager -p Id show network.service
>+ *     Id=network.service
>+ *     # systemctl --force          enable NetworkManager.service
>+ *     # systemctl --no-pager -p Id show network.service
>+ *     Id=NetworkManager.service
>+ *
>+ * The network.service alias link obsoletes the old master switch in
>+ * /etc/sysconfig/network/config:NETWORKMANAGER (until openSUSE-12.2).
>  */
> 
> {
>@@ -50,20 +63,59 @@ global void Read ();
> boolean initialized = false;
> 
> /**
>+ * current network service id name
>+ */
>+string cur_service_id_name = "";
>+
>+/**
>+ * the new network service id name
>+ */
>+string new_service_id_name = "";
>+
>+/**
>+ * Path to the systemctl command
>+ */
>+string systemctl = "/bin/systemctl";
>+
>+/**
>+ * Helper to run systemctl actions
>+ */
>+integer RunSystemCtl (string service, string action) {
>+    string cmd = sformat ("%1 %2 %3.service", systemctl, action, service);
>+    map<string,any> ret = (map<string,any>) SCR::Execute (.target.bash_output, cmd, $[ "TERM" : "raw"]);
>+    y2debug("RunSystemCtl: Command '%1' returned '%2'", cmd, ret);
>+    return ret["exit"]:-1;
>+}
>+
>+/**
>+ * Whether a network service change were requested
>+ */
>+global boolean Modified () {
>+    boolean ret = false;
>+    Read();
>+    if (new_service_id_name != cur_service_id_name)
>+    {
>+        ret = true;
>+    }
>+    y2debug("NetworkService::Modified(%1, %2) => %3",
>+	cur_service_id_name, new_service_id_name, ret);
>+    return ret;
>+}
>+
>+/**
>  * Whether use NetworkManager or ifup
>  */
> global boolean IsManaged () {
>     Read ();
>-    return NetworkConfig::Config["NETWORKMANAGER"]:false;
>-
>+    return new_service_id_name != "network";
> }
> 
> /**
>  * @param m whether networkmanager will be used
>  */
> global void SetManaged (boolean m) {
>-    NetworkConfig::Config["NETWORKMANAGER"] = m;
>-    initialized = true;
>+    Read ();
>+    new_service_id_name = m ? "NetworkManager" : "network";
> }
> 
> /**
>@@ -72,8 +124,10 @@ global void SetManaged (boolean m) {
> global void Read () {
>     if (!initialized)
>     {
>-	NetworkConfig::Read ();
>-	boolean nm =  NetworkConfig::Config["NETWORKMANAGER"]:false;
>+	cur_service_id_name = Service::GetServiceId("network");
>+	new_service_id_name = cur_service_id_name;
>+
>+	boolean nm = new_service_id_name != "network";
> 	y2milestone ("NetworkManager: %1", nm);
>     }
>     initialized = true;
>@@ -98,25 +152,70 @@ boolean RunScript (string script, string
>     return SCR::Execute (.target.bash, cmd) == 0;
> }
> 
>+void EnableDisableNow() {
>+    if (Modified()) {
>+	/* Stop should be called before ...
>+	RunSystemCtl(cur_service_id_name, "kill");
>+	 */
>+	if (new_service_id_name == "network") {
>+	    RunSystemCtl(cur_service_id_name, "disable");
>+	} else {
>+	    RunSystemCtl(new_service_id_name, "--force enable");
>+	}
>+	cur_service_id_name = Service::GetServiceId("network");
>+	new_service_id_name = cur_service_id_name;
>+    }
>+}
>+
>+/**
>+ * Reports if network _service_ is active or not.
>+ * It does not report if network is connected.
>+ */
>+global boolean isActive()
>+{
>+    return RunSystemCtl ("network", "is-active") == 0;
>+}
>+
> /**
>- * Starts and stops the appropriate services.
>+ * This is an old, confusing name for ReloadOrRestart() now
>  */
> global void StartStop () {
>-    if (Service::Status ("network") == 0)
>-    {
>-	RunScript ("network", "reload");
>-    }
>-    else
>-    {
>+    ReloadOrRestart();
>+}
>+
>+/**
>+ * Reload or restars the network service.
>+ */
>+global void ReloadOrRestart () {
>+    if (isActive()) {
>+	if (Modified()) {
>+		RunSystemCtl("network", "stop");
>+		EnableDisableNow();
>+		RunSystemCtl("network", "start");
>+	} else {
>+		RunSystemCtl ("network", "reload-or-try-restart");
>+	}
>+    } else {
> 	// #148263
> 	// Because rcnetwork really handles two different things in one script
> 	// (ifup and NM), it could happen that "start" would shut down an
> 	// interface. Instead, it tells the user to use "restart".
> 	// So we do it always, it does not hurt if the net was stopped.
>-	RunScript ("network", "restart");
>+	RunSystemCtl("network", "stop");
>+	EnableDisableNow();
>+	RunSystemCtl("network", "start");
>     }
> }
> 
>+/**
>+ * Restarts the network service
>+ */
>+global void Restart () {
>+	RunSystemCtl("network", "stop");
>+	EnableDisableNow();
>+	RunSystemCtl("network", "start");
>+}
>+
> /*
>  * Variable remembers that the question has been asked during this run already.
>  * It avoids useless questions over and over again.
>--- library/runlevel/src/Service.ycp
>+++ library/runlevel/src/Service.ycp	2013/01/17 15:06:11
>@@ -123,6 +123,50 @@ define boolean checkExists (string name)
> }
> 
> /**
>+ * Get complete systemd unit id
>+ * @param name name or alias of the unit
>+ * @return (resolved) unit Id
>+ */
>+global string GetUnitId(string unit)
>+{
>+    string cmd = sformat ("%1 --no-pager -p Id show %2", invoker, unit);
>+    map<string,any> ret = (map<string,any>) SCR::Execute (.target.bash_output,
>+	cmd, $[ "TERM" : "raw"]);
>+    if (ret["exit"]:-1 != 0) {
>+	y2error (_("Unable to query '%1' unit Id\nCommand returned: %2\n"),
>+	    unit, ret);
>+	return nil;
>+    }
>+
>+    /* extract first line */
>+    integer end = findfirstof (ret["stdout"]:"", "\r\n");
>+    string  out = substring(ret["stdout"]:"", 0, end != nil ? end : 0);
>+
>+    /* extract key anv value */
>+    list tmp = splitstring (out, "=");
>+    if (size(tmp) != 2 || (tmp[0]:"") != "Id" || (tmp[1]:"") == "") {
>+	y2error (_("Unable to parse '%1' unit Id query output: '%2'\n"),
>+	    unit, out);
>+	return nil;
>+    }
>+
>+    return tmp[1]:"";
>+}
>+
>+global string GetServiceId(string name)
>+{
>+    string id = GetUnitId(sformat("%1.service", name));
>+    if (id == nil)
>+	return nil;
>+
>+    /* return without .service */
>+    integer pos = search(id, ".service");
>+    if (pos <= 0)
>+	return nil;
>+    return substring(id, 0, pos);
>+}
>+
>+/**
>  * Get service info without peeking if service runs.
>  * @param name name of the service
>  * @return Service information or empty map ($[])

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