Introduce a new SdnDiffView modal that runs a dry-run and shows the frr
and ifupdown2 configuration changes which will be made when clicking
apply. Now the user knows which config options will be set without
needing to apply the config.

Signed-off-by: Gabriel Goller <[email protected]>
---
 www/manager6/Makefile           |   1 +
 www/manager6/sdn/SdnDiffView.js | 149 ++++++++++++++++++++++++++++++++
 www/manager6/sdn/StatusView.js  |   8 ++
 3 files changed, 158 insertions(+)
 create mode 100644 www/manager6/sdn/SdnDiffView.js

diff --git a/www/manager6/Makefile b/www/manager6/Makefile
index 4558d53e54be..da602523b27a 100644
--- a/www/manager6/Makefile
+++ b/www/manager6/Makefile
@@ -286,6 +286,7 @@ JSSRC=                                                      
\
        sdn/ControllerView.js                           \
        sdn/Status.js                                   \
        sdn/StatusView.js                               \
+       sdn/SdnDiffView.js                              \
        sdn/VnetEdit.js                                 \
        sdn/VnetView.js                                 \
        sdn/VnetACLView.js                              \
diff --git a/www/manager6/sdn/SdnDiffView.js b/www/manager6/sdn/SdnDiffView.js
new file mode 100644
index 000000000000..e32e4cf896c4
--- /dev/null
+++ b/www/manager6/sdn/SdnDiffView.js
@@ -0,0 +1,149 @@
+Ext.define('PVE.sdn.SdnDiffView', {
+    extend: 'Ext.window.Window',
+
+    width: 800,
+    height: 900,
+
+    scrollable: true,
+    modal: true,
+    title: gettext('Pending SDN configuration changes'),
+
+    node: undefined,
+
+    viewModel: {
+        data: {
+            frr_diff: undefined,
+            interfaces_diff: undefined,
+        },
+    },
+
+    items: [
+        {
+            xtype: 'panel',
+            title: gettext('FRR Config'),
+            bodyPadding: 10,
+            items: [
+                {
+                    xtype: 'displayfield',
+                    bind: {
+                        value: '{frr_diff}',
+                    },
+                },
+            ],
+        },
+        {
+            xtype: 'panel',
+            title: gettext('Interfaces Config'),
+            bodyPadding: 10,
+            items: [
+                {
+                    xtype: 'displayfield',
+                    bind: {
+                        value: '{interfaces_diff}',
+                    },
+                },
+            ],
+        },
+    ],
+    buttons: [
+        {
+            handler: function () {
+                this.up('window').close();
+            },
+            text: gettext('Close'),
+        },
+    ],
+
+    loadDiff: async function () {
+        let me = this;
+
+        let req = await Proxmox.Async.api2({
+            url: `/cluster/sdn/dry-run`,
+            params: { node: me.node },
+            method: 'GET',
+        });
+
+        return req.result.data;
+    },
+
+    load: function () {
+        let me = this;
+
+        me.setLoading('fetching node diff');
+
+        me.loadDiff()
+            .catch(Proxmox.Utils.alertResponseFailure)
+            .then((diff) => {
+                if (diff['frr-diff'] === null) {
+                    this.getViewModel().set('frr_diff', 'no changes');
+                } else {
+                    this.getViewModel().set('frr_diff', '<pre>' + 
diff['frr-diff'] + '</pre>');
+                }
+                if (diff['interfaces-diff'] === null) {
+                    this.getViewModel().set('interfaces_diff', 'no changes');
+                } else {
+                    this.getViewModel().set(
+                        'interfaces_diff',
+                        '<pre>' + diff['interfaces-diff'] + '</pre>',
+                    );
+                }
+            })
+            .finally(() => {
+                me.setLoading(false);
+            });
+    },
+
+    getNodeSelector: function () {
+        let me = this;
+
+        return Ext.create('PVE.form.NodeSelector', {
+            xtype: 'pveNodeSelector',
+            reference: 'nodeselector',
+            fieldLabel: gettext('Node'),
+            padding: 10,
+            labelWidth: 120,
+            name: 'node',
+            allowBlank: false,
+            listeners: {
+                change: function (f, value) {
+                    me.node = value;
+                    me.load();
+                },
+            },
+            listConfig: {
+                columns: [
+                    {
+                        header: gettext('Node'),
+                        dataIndex: 'node',
+                        sortable: true,
+                        hideable: false,
+                        flex: 1,
+                    },
+                ],
+            },
+            store: {
+                fields: ['node'],
+                proxy: {
+                    type: 'proxmox',
+                    url: '/api2/json/nodes',
+                },
+                sorters: [
+                    {
+                        property: 'node',
+                        direction: 'ASC',
+                    },
+                ],
+            },
+        });
+    },
+
+    initComponent: function () {
+        let me = this;
+
+        me.nodeSelector = me.getNodeSelector();
+
+        me.items = [me.nodeSelector, ...me.items];
+
+        me.callParent();
+    },
+});
diff --git a/www/manager6/sdn/StatusView.js b/www/manager6/sdn/StatusView.js
index fbc712c6cf6b..fada50411e91 100644
--- a/www/manager6/sdn/StatusView.js
+++ b/www/manager6/sdn/StatusView.js
@@ -69,6 +69,14 @@ Ext.define(
                             });
                         },
                     },
+                    {
+                        text: gettext('Dry-Run'),
+                        handler: function () {
+                            Ext.create('PVE.sdn.SdnDiffView', {
+                                autoShow: true,
+                            });
+                        },
+                    },
                 ],
                 viewConfig: {
                     trackOver: false,
-- 
2.47.3




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