[pve-devel] [PATCH storage v5 11/32] plugin api: bump api version and age

[Fiona Ebner <f.ebner@proxmox.com>]

Changes for version 11:

* Allow declaring storage features via plugin data.
* Introduce new_backup_provider() plugin method.
* Allow declaring sensitive properties via plugin data.

See the api changelog file for details.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---

New in v5.

 ApiChangeLog       | 32 ++++++++++++++++++++++++++++++++
 src/PVE/Storage.pm |  4 ++--
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/ApiChangeLog b/ApiChangeLog
index 98b5893..987da54 100644
--- a/ApiChangeLog
+++ b/ApiChangeLog
@@ -6,6 +6,38 @@ without breaking anything unaware of it.)
 
 Future changes should be documented in here.
 
+##  Version 11:
+
+* Allow declaring storage features via plugin data
+
+  A new `storage_has_feature()` helper function was added that checks a storage plugin's features.
+  Plugins can indicate support for certain features in their `plugindata`. The first such feature is
+  `backup-provider`, see below for more details. To declare support for this feature, return
+  `features => { 'backup-provider' => 1 }` as part of the plugin data.
+
+* Introduce new_backup_provider() plugin method
+
+  Proxmox VE now supports a `Backup Provider API` that can be used to implement custom backup
+  solutions tightly integrated in the Proxmox VE stack. See the `PVE::BackupProvider::Plugin::Base`
+  module for detailed documentation. A backup provider also needs to implement an associated storage
+  plugin for user-facing integration in Proxmox VE. Such a plugin needds to opt-in to the
+  `backup-provider` feature (see above) and implement the new_backup_provider() method, returning a
+  blessed reference to the backup provider class. The rest of the plugin methods, e.g. listing
+  content, providing usage information, etc., follow the same API as usual.
+
+* Allow declaring sensitive properties via plugin data
+
+  A new `sensitive_properties()` helper function was added to get the list of sensitive properties
+  a plugin uses via the plugin's `plugindata`. The sensitive properties are passed separately from
+  other properties to the `on_add_hook()` and `on_update_hook()` methods and should not be written
+  to the storage configuration file directly, but stored in the more restricted
+  `/etc/pve/priv/storage` directory on the Proxmox Cluster File System. For example, to declare that
+  a `ssh-private-key` property used by the plugin is sensitive, return
+  `'sensitive-properties' => { 'ssh-private-key' => 1 }` as part of the plugin data. The list of
+  sensitive properties was hard-coded previously, as `encryption-key`, `keyring`, `master-pubkey`,
+  `password`. For backwards compatibility, this list is still used if a plugin doesn't declare its
+  own sensitive properties.
+
 ##  Version 10:
 
 * a new `rename_volume` method has been added
diff --git a/src/PVE/Storage.pm b/src/PVE/Storage.pm
index 014017b..41d91a1 100755
--- a/src/PVE/Storage.pm
+++ b/src/PVE/Storage.pm
@@ -42,11 +42,11 @@ use PVE::Storage::BTRFSPlugin;
 use PVE::Storage::ESXiPlugin;
 
 # Storage API version. Increment it on changes in storage API interface.
-use constant APIVER => 10;
+use constant APIVER => 11;
 # Age is the number of versions we're backward compatible with.
 # This is like having 'current=APIVER' and age='APIAGE' in libtool,
 # see https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
-use constant APIAGE => 1;
+use constant APIAGE => 2;
 
 our $KNOWN_EXPORT_FORMATS = ['raw+size', 'tar+size', 'qcow2+size', 'vmdk+size', 'zfs', 'btrfs'];
 
-- 
2.39.5



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