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api: apt: implement support to send notification email on new updates

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again, base idea copied off PVE, but, we safe the information about
which pending version we send a mail out already in a separate
object, to keep the api return type APTUpdateInfo clean.

This also makes a few things a bit easier, as we can update the
package status without saving/restoring the notify information.

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht
2020-10-31 21:09:21 +01:00
parent 33508b1237
commit 86d602457a
3 changed files with 76 additions and 2 deletions
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34
src/server/email_notifications.rs
View File

@ -9,8 +9,9 @@ use crate::{
config::verify::VerificationJobConfig,
config::sync::SyncJobConfig,
api2::types::{
Userid,
APTUpdateInfo,
GarbageCollectionStatus,
Userid,
},
tools::format::HumanByte,
};
@ -91,6 +92,16 @@ Synchronization failed: {{error}}
"###;
const PACKAGE_UPDATES_TEMPLATE: &str = r###"
Proxmox Backup Server has the following updates available:
{{#each updates }}
{{Package}}: {{OldVersion}} -> {{Version~}}
{{/each }}
To upgrade visit the webinderface: <https://{{fqdn}}:{{port}}/#pbsServerAdministration:updates>
"###;
lazy_static::lazy_static!{
static ref HANDLEBARS: Handlebars<'static> = {
@ -110,6 +121,8 @@ lazy_static::lazy_static!{
hb.register_template_string("sync_ok_template", SYNC_OK_TEMPLATE).unwrap();
hb.register_template_string("sync_err_template", SYNC_ERR_TEMPLATE).unwrap();
hb.register_template_string("package_update_template", PACKAGE_UPDATES_TEMPLATE).unwrap();
hb
};
}
@ -261,6 +274,25 @@ pub fn send_sync_status(
Ok(())
}
pub fn send_updates_available(
updates: &Vec<&APTUpdateInfo>,
) -> Result<(), Error> {
// update mails always go to the root@pam configured email..
if let Some(email) = lookup_user_email(Userid::root_userid()) {
let nodename = proxmox::tools::nodename();
let subject = format!("New software packages available ({})", nodename);
let text = HANDLEBARS.render("package_update_template", &json!({
"fqdn": nix::sys::utsname::uname().nodename(), // FIXME: add get_fqdn helper like PVE?
"port": 8007, // user will surely request that they can change this
"updates": updates,
}))?;
send_job_status_mail(&email, &subject, &text)?;
}
Ok(())
}
/// Lookup users email address
///
/// For "backup@pam", this returns the address from "root@pam".