[pdm-devel] [PATCH datacenter-manager v2 2/6] server: api: add support to optionally delete token from remote

[Shan Shaji <s.shaji@proxmox.com>]

Previously, when removing a remote, the token was still present in the
remote configuration. When users tried to add the remote again, they
received an error because a token with the same name already existed.
To support deleting the token from the remote, add an optional
parameter to the API endpoint.

Signed-off-by: Shan Shaji <s.shaji@proxmox.com>
---
 changes since v1:
 - nit: inlined the id argument using the format string.
 - used `get` instead of `get_mut` inorder to access remote.
 - removed unnecessary `&` operator use.

 server/src/api/remotes.rs | 46 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 44 insertions(+), 2 deletions(-)

diff --git a/server/src/api/remotes.rs b/server/src/api/remotes.rs
index 298ad13..82b8469 100644
--- a/server/src/api/remotes.rs
+++ b/server/src/api/remotes.rs
@@ -27,6 +27,7 @@ use crate::api::remote_updates;
 use crate::metric_collection;
 use crate::{connection, pbs_client};
 
+use super::pbs;
 use super::pve;
 use super::rrd_common;
 use super::rrd_common::DataPoint;
@@ -292,16 +293,57 @@ pub fn update_remote(
     input: {
         properties: {
             id: { schema: REMOTE_ID_SCHEMA },
+            "delete-token": {
+                type: bool,
+                description: "Optional boolean value to delete the token from remote.",
+                optional: true,
+            }
         },
     },
     access: {
         permission: &Permission::Privilege(&["resource"], PRIV_RESOURCE_MODIFY, false),
     },
 )]
-/// List all the remotes this instance is managing.
-pub fn remove_remote(id: String) -> Result<(), Error> {
+/// Remove a remote that this instance is managing.
+pub async fn remove_remote(id: String, delete_token: Option<bool>) -> Result<(), Error> {
+    let _lock = pdm_config::remotes::lock_config()?;
     let (mut remotes, _) = pdm_config::remotes::config()?;
 
+    if delete_token.unwrap_or(false) {
+        let remote = remotes
+            .get(&id)
+            .ok_or_else(|| http_err!(NOT_FOUND, "no such remote {id:?}"))?;
+
+        let user = remote.authid.user();
+
+        let short_delete_err = |err: proxmox_client::Error| {
+            format_err!("error deleting token: {}", err.source().unwrap_or(&err))
+        };
+
+        let token_name = remote
+            .authid
+            .tokenname()
+            .ok_or_else(|| format_err!("Unable to find the token for the remote {id:?}"))?;
+
+        // connect to remote and delete the already existing token.
+        match remote.ty {
+            RemoteType::Pve => {
+                let client = pve::connect_or_login(remote).await?;
+                client
+                    .delete_token(user.as_str(), token_name.as_str())
+                    .await
+                    .map_err(short_delete_err)?
+            }
+            RemoteType::Pbs => {
+                let client = pbs::connect_or_login(remote).await?;
+                client
+                    .delete_admin_token(user, token_name.as_str())
+                    .await
+                    .map_err(short_delete_err)?
+            }
+        };
+    }
+
     if remotes.remove(&id).is_none() {
         http_bail!(NOT_FOUND, "no such entry {id:?}");
     }
-- 
2.47.3



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