[pve-devel] [PATCH proxmox] notify: remove legacy filters and groups

[Lukas Wagner]

The notification system as we know it know underwent a serious overhaul
shortly before its initial release in PVE one year ago. Before the
overhaul, there were filters (the 'inverse' of a matchers as we know
them today) and groups (allowed one to send a notification to
multiple targets at once, they were replaced by being able to select
multiple targets in a matcher).

Unfortunately, this previous iteration of the notification was already
merged and packaged in the pvetest repository, resulting in an unknown
number of systems which may have already been using filters and groups.
To avoid breaking these systems when updating to the overhauled
notification system, we've kept the section config type
for both config sections. In anticipation of a future removal of these
section types, we proactively removed these entries when loading and
saving the notification config file.

It has been a full year now, so I'd argue it is safe to drop these
safety guards now. On the off chance that there are still systems out
there which still have these entries in their notifications.cfg,
a manual removal from the file will be needed after this commit.

Signed-off-by: Lukas Wagner <l.wagner at proxmox.com>
---
 proxmox-notify/src/config.rs | 40 +-----------------------------------
 proxmox-notify/src/filter.rs | 23 ---------------------
 proxmox-notify/src/group.rs  | 23 ---------------------
 proxmox-notify/src/lib.rs    |  2 --
 4 files changed, 1 insertion(+), 87 deletions(-)
 delete mode 100644 proxmox-notify/src/filter.rs
 delete mode 100644 proxmox-notify/src/group.rs

diff --git a/proxmox-notify/src/config.rs b/proxmox-notify/src/config.rs
index 4d0b53f7..ec28c22c 100644
--- a/proxmox-notify/src/config.rs
+++ b/proxmox-notify/src/config.rs
@@ -3,8 +3,6 @@ use std::sync::OnceLock;
 use proxmox_schema::{ApiType, ObjectSchema};
 use proxmox_section_config::{SectionConfig, SectionConfigData, SectionConfigPlugin};
 
-use crate::filter::{FilterConfig, FILTER_TYPENAME};
-use crate::group::{GroupConfig, GROUP_TYPENAME};
 use crate::matcher::{MatcherConfig, MATCHER_TYPENAME};
 use crate::schema::BACKEND_NAME_SCHEMA;
 use crate::Error;
@@ -76,20 +74,6 @@ fn config_init() -> SectionConfig {
         MATCHER_SCHEMA,
     ));
 
-    const GROUP_SCHEMA: &ObjectSchema = GroupConfig::API_SCHEMA.unwrap_object_schema();
-    config.register_plugin(SectionConfigPlugin::new(
-        GROUP_TYPENAME.to_string(),
-        Some(String::from("name")),
-        GROUP_SCHEMA,
-    ));
-
-    const FILTER_SCHEMA: &ObjectSchema = FilterConfig::API_SCHEMA.unwrap_object_schema();
-    config.register_plugin(SectionConfigPlugin::new(
-        FILTER_TYPENAME.to_string(),
-        Some(String::from("name")),
-        FILTER_SCHEMA,
-    ));
-
     config
 }
 
@@ -138,32 +122,10 @@ fn private_config_init() -> SectionConfig {
 
 pub fn config(raw_config: &str) -> Result<(SectionConfigData, [u8; 32]), Error> {
     let digest = openssl::sha::sha256(raw_config.as_bytes());
-    let mut data = config_parser()
+    let data = config_parser()
         .parse("notifications.cfg", raw_config)
         .map_err(|err| Error::ConfigDeserialization(err.into()))?;
 
-    // TODO: Remove this once this has been in production for a while.
-    // 'group' and 'filter' sections are remnants of the 'old'
-    // notification routing approach that already hit pvetest...
-    // This mechanism cleans out left-over entries.
-    let entries: Vec<GroupConfig> = data.convert_to_typed_array("group").unwrap_or_default();
-    if !entries.is_empty() {
-        log::warn!("clearing left-over 'group' entries from notifications.cfg");
-    }
-
-    for entry in entries {
-        data.sections.remove(&entry.name);
-    }
-
-    let entries: Vec<FilterConfig> = data.convert_to_typed_array("filter").unwrap_or_default();
-    if !entries.is_empty() {
-        log::warn!("clearing left-over 'filter' entries from notifications.cfg");
-    }
-
-    for entry in entries {
-        data.sections.remove(&entry.name);
-    }
-
     Ok((data, digest))
 }
 
diff --git a/proxmox-notify/src/filter.rs b/proxmox-notify/src/filter.rs
deleted file mode 100644
index c9b152be..00000000
--- a/proxmox-notify/src/filter.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-use serde::{Deserialize, Serialize};
-
-use proxmox_schema::api;
-
-use crate::schema::ENTITY_NAME_SCHEMA;
-
-pub(crate) const FILTER_TYPENAME: &str = "filter";
-
-#[api(
-    properties: {
-        name: {
-            schema: ENTITY_NAME_SCHEMA,
-        },
-    },
-    additional_properties: true,
-)]
-#[derive(Debug, Serialize, Deserialize, Default)]
-#[serde(rename_all = "kebab-case")]
-/// Config for the old filter system - can be removed at some point.
-pub struct FilterConfig {
-    /// Name of the group
-    pub name: String,
-}
diff --git a/proxmox-notify/src/group.rs b/proxmox-notify/src/group.rs
deleted file mode 100644
index 46458dbe..00000000
--- a/proxmox-notify/src/group.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-use serde::{Deserialize, Serialize};
-
-use proxmox_schema::api;
-
-use crate::schema::ENTITY_NAME_SCHEMA;
-
-pub(crate) const GROUP_TYPENAME: &str = "group";
-
-#[api(
-    properties: {
-        name: {
-            schema: ENTITY_NAME_SCHEMA,
-        },
-    },
-    additional_properties: true,
-)]
-#[derive(Debug, Serialize, Deserialize, Default)]
-#[serde(rename_all = "kebab-case")]
-/// Config for the old target groups - can be removed at some point.
-pub struct GroupConfig {
-    /// Name of the group
-    pub name: String,
-}
diff --git a/proxmox-notify/src/lib.rs b/proxmox-notify/src/lib.rs
index 12f3866b..e6fb82d6 100644
--- a/proxmox-notify/src/lib.rs
+++ b/proxmox-notify/src/lib.rs
@@ -21,8 +21,6 @@ pub mod api;
 pub mod config;
 pub mod context;
 pub mod endpoints;
-pub mod filter;
-pub mod group;
 pub mod renderer;
 pub mod schema;
 
-- 
2.39.5