[pve-devel] [PATCH SERIES docs/ha-manager/manager v3] close #6144: add ui button + api for node maintenance mode

[pve-devel] [PATCH SERIES docs/ha-manager/manager v3] close #6144: add ui button + api for node maintenance mode

[Thomas Skinner]

Continued work on node maintenance mode button in UI.

Changes since V2:
- Adjust permissions from Sys.Console to Sys.Modify
- Fix typo in description

docs:

Thomas Skinner (1):
  add docs for maintenance mode buttons in UI

 ha-manager.adoc | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

 
ha-manager:

Thomas Skinner (1):
  add additional api field for lrm_mode in status check

 src/PVE/API2/HA/Status.pm | 7 +++++++
 1 file changed, 7 insertions(+)

 
manager:

Thomas Skinner (2):
  add api setter for node maintenance mode
  add UI for node maintenance enable/disable

 PVE/API2/Nodes.pm             | 38 +++++++++++++++
 www/manager6/ha/StatusView.js | 92 +++++++++++++++++++++++++++++++++++
 2 files changed, 130 insertions(+)

 
-- 
2.47.3


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[pve-devel] [PATCH ha-manager v3 1/1] add additional api field for lrm_mode in status check

[Thomas Skinner]

Signed-off-by: Thomas Skinner <thomas@atskinner.net>
---
 src/PVE/API2/HA/Status.pm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/PVE/API2/HA/Status.pm b/src/PVE/API2/HA/Status.pm
index 6e13c2c..f168637 100644
--- a/src/PVE/API2/HA/Status.pm
+++ b/src/PVE/API2/HA/Status.pm
@@ -104,6 +104,11 @@ __PACKAGE__->register_method({
                     type => "integer",
                     optional => 1,
                 },
+                lrm_mode => {
+                    description => "For type 'lrm'. Mode as reported by the LRM.",
+                    type => "string",
+                    optional => 1,
+                },
                 crm_state => {
                     description => "For type 'service'. Service state as seen by the CRM.",
                     type => "string",
@@ -216,6 +221,7 @@ __PACKAGE__->register_method({
                         type => 'lrm',
                         node => $node,
                         status => "$node (unable to read lrm status)",
+                        lrm_mode => 'unknown',
                     };
             } else {
                 my $status_str = &$timestamp_to_status($ctime, $lrm_status->{timestamp});
@@ -246,6 +252,7 @@ __PACKAGE__->register_method({
                         node => $node,
                         status => $status_text,
                         timestamp => $lrm_status->{timestamp},
+                        lrm_mode => $lrm_mode // "unknown",
                     };
             }
         }
-- 
2.47.3


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[pve-devel] [PATCH manager v3 1/2] add api setter for node maintenance mode

[Thomas Skinner]

Signed-off-by: Thomas Skinner <thomas@atskinner.net>
---
 PVE/API2/Nodes.pm | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/PVE/API2/Nodes.pm b/PVE/API2/Nodes.pm
index 4590b618..e10f4ed0 100644
--- a/PVE/API2/Nodes.pm
+++ b/PVE/API2/Nodes.pm
@@ -275,6 +275,7 @@ __PACKAGE__->register_method({
             { name => 'hosts' },
             { name => 'journal' },
             { name => 'lxc' },
+            { name => 'maintenance' },
             { name => 'migrateall' },
             { name => 'netstat' },
             { name => 'network' },
@@ -2663,6 +2664,43 @@ __PACKAGE__->register_method({
     },
 });
 
+__PACKAGE__->register_method({
+    name => 'maintenance_set',
+    protected => 1,
+    path => 'maintenance',
+    method => 'PUT',
+    description =>
+        "Set the maintenance parameters for the node. Currently only supports HA maintenance mode for the LRM on a node.",
+    permissions => {
+        check => ['perm', '/', ['Sys.Modify']],
+    },
+    parameters => {
+        additionalProperties => 0,
+        properties => {
+            node => get_standard_option('pve-node'),
+            'maintenance-mode' => {
+                description => "Enables or disables maintenance mode for the HA LRM.",
+                type => 'string',
+                enum => ['enable', 'disable'],
+            },
+        },
+    },
+    returns => { type => 'null' },
+    code => sub {
+        my ($param) = @_;
+
+        PVE::Cluster::check_node_exists($param->{node});
+
+        my $cmd =
+            $param->{'maintenance-mode'} eq 'enable'
+            ? 'enable-node-maintenance'
+            : 'disable-node-maintenance';
+        PVE::HA::Config::queue_crm_commands("$cmd $param->{node}");
+
+        return undef;
+    },
+});
+
 # bash completion helper
 
 sub complete_templet_repo {
-- 
2.47.3


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[pve-devel] [PATCH docs v3 1/1] add docs for maintenance mode buttons in UI

[Thomas Skinner]

Signed-off-by: Thomas Skinner <thomas@atskinner.net>
---
 ha-manager.adoc | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/ha-manager.adoc b/ha-manager.adoc
index ea477cc..2b7c6a5 100644
--- a/ha-manager.adoc
+++ b/ha-manager.adoc
@@ -1112,10 +1112,19 @@ During each migration, the original node will be recorded in the HA managers'
 state, so that the service can be moved back again automatically once the
 maintenance mode is disabled and the node is back online.
 
-Currently you can enabled or disable the maintenance mode using the ha-manager
-CLI tool.
+Maintenance mode can be enabled or disabled in the HA status panel in
+the {pve} web UI or by using the ha-manager CLI tool.
 
 .Enabling maintenance mode for a node
+
+_Using the web UI_
+
+Navigate to the Datacenter view, then select HA from the menu to show the HA
+status panel. Select the lrm node that you want to enable maintenance mode for,
+then click the Maintenance Mode button from the toolbar and select Enable.
+
+_Using the CLI_
+
 ----
 # ha-manager crm-command node-maintenance enable NODENAME
 ----
@@ -1142,6 +1151,15 @@ but only if it is either manually deactivated using the `ha-manager` CLI or if
 the manager-status is manually cleared.
 
 .Disabling maintenance mode for a node
+
+_Using the web UI_
+
+Navigate to the Datacenter view, then select HA from the menu to show the HA
+status panel. Select the lrm node that you want to disable maintenance mode for,
+then click the Maintenance Mode button on the toolbar and select Disable.
+
+_Using the CLI_
+
 ----
 # ha-manager crm-command node-maintenance disable NODENAME
 ----
-- 
2.47.3


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[pve-devel] [PATCH manager v3 2/2] add UI for node maintenance enable/disable

[Thomas Skinner]

Signed-off-by: Thomas Skinner <thomas@atskinner.net>
---
 www/manager6/ha/StatusView.js | 92 +++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)

diff --git a/www/manager6/ha/StatusView.js b/www/manager6/ha/StatusView.js
index 50ad8e84..16dd5d78 100644
--- a/www/manager6/ha/StatusView.js
+++ b/www/manager6/ha/StatusView.js
@@ -41,12 +41,75 @@ Ext.define(
                 },
             });
 
+            let sm = Ext.create('Ext.selection.RowModel', {});
+
+            let caps = Ext.state.Manager.get('GuiCap');
+
+            let setNodeMaintenance = function (setEnabled) {
+                let rec = sm.getSelection()[0];
+                if (!rec || rec.data.type !== 'lrm') {
+                    return;
+                }
+                let nodeName = rec.get('node');
+                let enableText = setEnabled ? 'Enable' : 'Disable';
+                let msg = Ext.String.format(
+                    gettext("{0} maintenance mode on node '{1}'?"),
+                    enableText,
+                    nodeName,
+                );
+                Ext.Msg.confirm(gettext('Confirm'), msg, (btn) => {
+                    if (btn === 'yes') {
+                        Proxmox.Utils.API2Request({
+                            params: { 'maintenance-mode': setEnabled ? 'enable' : 'disable' },
+                            url: '/nodes/' + nodeName + '/maintenance',
+                            method: 'PUT',
+                            waitMsgTarget: me,
+                            failure: function (response, opts) {
+                                Ext.Msg.alert(gettext('Error'), response.htmlStatus);
+                            },
+                        });
+                    }
+                });
+            };
+
+            let setMaintenanceButtonStates = function (isLRM, isMaintenance) {
+                me.down('#nodeMaintenanceMenu').setDisabled(!(caps.nodes['Sys.Modify'] && isLRM));
+                me.down('#nodeMaintenanceEnableBtn').setDisabled(isMaintenance);
+                me.down('#nodeMaintenanceDisableBtn').setDisabled(!isMaintenance);
+            };
+
             Ext.apply(me, {
                 store: store,
+                selModel: sm,
                 stateful: false,
                 viewConfig: {
                     trackOver: false,
                 },
+                tbar: [
+                    {
+                        text: gettext('Maintenance Mode'),
+                        itemId: 'nodeMaintenanceMenu',
+                        disabled: true,
+                        menu: new Ext.menu.Menu({
+                            items: [
+                                {
+                                    text: gettext('Enable'),
+                                    itemId: 'nodeMaintenanceEnableBtn',
+                                    iconCls: 'fa fa-wrench',
+                                    disabled: true,
+                                    handler: () => setNodeMaintenance(true),
+                                },
+                                {
+                                    text: gettext('Disable'),
+                                    itemId: 'nodeMaintenanceDisableBtn',
+                                    iconCls: 'fa fa-check',
+                                    disabled: true,
+                                    handler: () => setNodeMaintenance(false),
+                                },
+                            ],
+                        }),
+                    },
+                ],
                 columns: [
                     {
                         header: gettext('Type'),
@@ -60,12 +123,40 @@ Ext.define(
                         dataIndex: 'status',
                     },
                 ],
+                listeners: {
+                    beforeselect: function (tree, record, index, eopts) {
+                        if (record) {
+                            let isLRM = record.data.type === 'lrm';
+                            let isMaintenance = record.data.lrm_mode === 'maintenance';
+                            setMaintenanceButtonStates(isLRM, isMaintenance);
+                        }
+                    },
+                },
             });
 
             me.callParent();
 
             me.on('activate', me.rstore.startUpdate);
             me.on('destroy', me.rstore.stopUpdate);
+
+            me.mon(me.rstore, 'load', function (curstore, results) {
+                let rec = sm.getSelection()[0];
+                if (!rec || rec.data.type !== 'lrm') {
+                    return;
+                }
+                for (const { data } of results) {
+                    switch (data.type) {
+                        case 'lrm':
+                            if (rec.data.node === data.node) {
+                                let isMaintenance = rec.data.lrm_mode === 'maintenance';
+                                setMaintenanceButtonStates(true, isMaintenance);
+                            }
+                            break;
+                        default:
+                            break;
+                    }
+                }
+            });
         },
     },
     function () {
@@ -88,6 +179,7 @@ Ext.define(
                 'type',
                 'crm_state',
                 'request_state',
+                'lrm_mode',
                 {
                     name: 'vname',
                     convert: function (value, record) {
-- 
2.47.3


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