tyler/proxmox-backup
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file-restore-daemon: add binary with virtio-vsock API server

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Implements the base of a small daemon to run within a file-restore VM.

The binary spawns an API server on a virtio-vsock socket, listening for
connections from the host. This happens mostly manually via the standard
Unix socket API, since tokio/hyper do not have support for vsock built
in. Once we have the accept'ed file descriptor, we can create a
UnixStream and use our tower service implementation for that.

The binary is deliberately not installed in the usual $PATH location,
since it shouldn't be executed on the host by a user anyway.

For now, only the API calls 'status' and 'stop' are implemented, to
demonstrate and test proxmox::api functionality.

Authorization is provided via a custom ApiAuth only checking a header
value against a static /ticket file.

Since the REST server implementation uses the log!() macro, we can
redirect its output to stdout by registering env_logger as the logging
target. env_logger is already in our dependency tree via zstd/bindgen.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Stefan Reiter
2021-03-31 12:21:52 +02:00
committed by Thomas Lamprecht
parent 26858dba84
commit dd9cef56fc
10 changed files with 246 additions and 1 deletions
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9
Makefile
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@ -26,6 +26,10 @@ SERVICE_BIN := \
proxmox-backup-proxy \
proxmox-daily-update
# Single file restore daemon
RESTORE_BIN := \
proxmox-restore-daemon
ifeq ($(BUILD_MODE), release)
CARGO_BUILD_ARGS += --release
COMPILEDIR := target/release
@ -40,7 +44,7 @@ endif
CARGO ?= cargo
COMPILED_BINS := \
$(addprefix $(COMPILEDIR)/,$(USR_BIN) $(USR_SBIN) $(SERVICE_BIN))
$(addprefix $(COMPILEDIR)/,$(USR_BIN) $(USR_SBIN) $(SERVICE_BIN) $(RESTORE_BIN))
export DEB_VERSION DEB_VERSION_UPSTREAM
@ -148,6 +152,9 @@ install: $(COMPILED_BINS)
install -m755 $(COMPILEDIR)/$(i) $(DESTDIR)$(SBINDIR)/ ; \
install -m644 zsh-completions/_$(i) $(DESTDIR)$(ZSH_COMPL_DEST)/ ;)
install -dm755 $(DESTDIR)$(LIBEXECDIR)/proxmox-backup
install -dm755 $(DESTDIR)$(LIBEXECDIR)/proxmox-backup/file-restore
$(foreach i,$(RESTORE_BIN), \
install -m755 $(COMPILEDIR)/$(i) $(DESTDIR)$(LIBEXECDIR)/proxmox-backup/file-restore/ ;)
# install sg-tape-cmd as setuid binary
install -m4755 -o root -g root $(COMPILEDIR)/sg-tape-cmd $(DESTDIR)$(LIBEXECDIR)/proxmox-backup/sg-tape-cmd
$(foreach i,$(SERVICE_BIN), \