Clean up the notification templates to prepare for user-customizable
templates
 - Change some of the template variable names to improve clarity
 - Generate the table for available updates in the template itself,
   not via the 'table' helper. This makes it possible for users
   to change the style/structure of the table.

Signed-off-by: Lukas Wagner <l.wag...@proxmox.com>
---
 PVE/API2/APT.pm                               | 27 ++++++++-----------
 .../default/package-updates-body.html.hbs     | 15 ++++++++++-
 .../default/package-updates-body.txt.hbs      |  2 +-
 .../default/package-updates-subject.txt.hbs   |  2 +-
 4 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/PVE/API2/APT.pm b/PVE/API2/APT.pm
index 47c50961..99c2e152 100644
--- a/PVE/API2/APT.pm
+++ b/PVE/API2/APT.pm
@@ -306,43 +306,38 @@ __PACKAGE__->register_method({
                    schema => {
                        columns => [
                            {
-                               label => "Package",
-                               id    => "package",
+                               label => "Package Name",
+                               id    => "package-name",
                            },
                            {
-                               label => "Old Version",
-                               id    => "old-version",
+                               label => "Installed Version",
+                               id    => "installed-version",
                            },
                            {
-                               label => "New Version",
-                               id    => "new-version",
+                               label => "Available Version",
+                               id    => "available-version",
                            }
                        ]
                    },
                    data => []
                };
 
-               my $hostname = `hostname -f` || PVE::INotify::nodename();
-               chomp $hostname;
-
                my $count = 0;
                foreach my $p (sort {$a->{Package} cmp $b->{Package} } 
@$pkglist) {
                    next if $p->{NotifyStatus} && $p->{NotifyStatus} eq 
$p->{Version};
                    $count++;
 
                    push @{$updates_table->{data}}, {
-                       "package"     => $p->{Package},
-                       "old-version" => $p->{OldVersion},
-                       "new-version" => $p->{Version}
+                       "package-name" => $p->{Package},
+                       "installed-version" => $p->{OldVersion},
+                       "available-version" => $p->{Version}
                    };
                }
 
                return if !$count;
 
-               my $template_data = {
-                   updates  => $updates_table,
-                   hostname => $hostname,
-               };
+               my $template_data = PVE::Notify::common_template_data();
+               $template_data->{"available-updates"} = $updates_table;
 
                # Additional metadata fields that can be used in notification
                # matchers.
diff --git a/templates/default/package-updates-body.html.hbs 
b/templates/default/package-updates-body.html.hbs
index d058e114..ad29a941 100644
--- a/templates/default/package-updates-body.html.hbs
+++ b/templates/default/package-updates-body.html.hbs
@@ -1,6 +1,19 @@
 <html>
     <body>
         The following updates are available:
-        {{table updates}}
+        <table style="border: 1px solid;border-collapse=collapse;margin-top: 
5px;">
+            <tr>
+                <th style="border: 1px 
solid;border-collapse=collapse;">Package Name</th>
+                <th style="border: 1px 
solid;border-collapse=collapse;">Installed Version</th>
+                <th style="border: 1px 
solid;border-collapse=collapse;">Available Version</th>
+            </tr>
+        {{#each available-updates.data}}
+            <tr>
+                <td style="border: 1px 
solid;border-collapse=collapse;">{{this.package-name}}</th>
+                <td style="border: 1px 
solid;border-collapse=collapse;">{{this.installed-version}}</th>
+                <td style="border: 1px 
solid;border-collapse=collapse;">{{this.available-version}}</th>
+            </tr>
+        {{/each}}
+        </table>
     </body>
 </html>
diff --git a/templates/default/package-updates-body.txt.hbs 
b/templates/default/package-updates-body.txt.hbs
index 14bdbf9e..74969433 100644
--- a/templates/default/package-updates-body.txt.hbs
+++ b/templates/default/package-updates-body.txt.hbs
@@ -1,3 +1,3 @@
 The following updates are available:
 
-{{table updates}}
+{{table available-updates}}
diff --git a/templates/default/package-updates-subject.txt.hbs 
b/templates/default/package-updates-subject.txt.hbs
index 556a67b8..b73fdefd 100644
--- a/templates/default/package-updates-subject.txt.hbs
+++ b/templates/default/package-updates-subject.txt.hbs
@@ -1 +1 @@
-New software packages available ({{hostname}})
+New software packages available ({{fqdn}})
-- 
2.39.5



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