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Stefan Reiter 735ee5206a fuse_loop: handle unmap on crashed instance 
If a fuse_loop instance dies suddenly (e.g. SIGKILL), the FUSE mount and
loop device assignment are left behind. We can determine this scenario
on specific unmap, when the PID file is either missing or contains a PID
of a non-running process, but the backing file and potentially loop
device are still there.

If that's the case, do an "emergency cleanup", by unassigning the
loopdev, calling 'fusermount -u' and then cleaning any leftover files
manually.

With this in place, pretty much any situation is now recoverable via
only the 'proxmox-backup-client' binary, by either calling 'unmap' with
or without parameters.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
2020-10-08 08:38:25 +02:00
.cargo cargo: switch to use packaged crates by default 2020-01-03 09:40:33 +01:00
debian d/control: add ',' after qrencode dependency 2020-10-06 12:48:12 +02:00
docs docs: typo fixups 2020-10-07 14:09:41 +02:00
etc ship pbstest repo as sources.list.d file for beta 2020-07-08 19:09:31 +02:00
examples examples: fix HttpClient::new usage 2020-09-30 10:49:20 +02:00
src fuse_loop: handle unmap on crashed instance 2020-10-08 08:38:25 +02:00
tests introduce Username, Realm and Userid api types 2020-08-10 12:05:01 +02:00
www ui: network: remove create VLAN option 2020-10-07 14:07:46 +02:00
zsh-completions Add zsh completion scripts 2020-02-27 06:50:14 +01:00
.gitignore .gitignore: add build directory 2020-07-22 09:19:29 +02:00
Cargo.toml bump version to 0.9.0-1 2020-10-01 16:19:49 +02:00
defines.mk Add zsh completion scripts 2020-02-27 06:50:14 +01:00
Makefile buildsys: upload client packages also to PMG repo 2020-09-08 16:48:31 +02:00
README.rst remove the rust-toolchain file 2020-01-16 10:45:46 +01:00
rustfmt.toml import rustfmt.toml 2019-08-22 13:44:57 +02:00
TODO.rst [chore] bump to using pxar 0.2.0 2020-06-25 09:46:56 +02:00

README.rst 

``rustup`` Toolchain
====================

We normally want to build with the ``rustc`` Debian package. To do that
you can set the following ``rustup`` configuration:

    # rustup toolchain link system /usr
    # rustup default system


Versioning of proxmox helper crates
===================================

To use current git master code of the proxmox* helper crates, add::

   git = "ssh://gitolite3@proxdev.maurer-it.com/rust/proxmox"

or::

   path = "../proxmox/proxmox"

to the proxmox dependency, and update the version to reflect the current,
pre-release version number (e.g., "0.1.1-dev.1" instead of "0.1.0").

Local cargo config
==================

This repository ships with a ``.cargo/config`` that replaces the crates.io
registry with packaged crates located in ``/usr/share/cargo/registry``.

A similar config is also applied building with dh_cargo. Cargo.lock needs to be
deleted when switching between packaged crates and crates.io, since the
checksums are not compatible.

To reference new dependencies (or updated versions) that are not yet packaged,
the dependency needs to point directly to a path or git source (e.g., see
example for proxmox crate above).