update to proxmox-sys 0.2 crate

- imported pbs-api-types/src/common_regex.rs from old proxmox crate
- use hex crate to generate/parse hex digest
- remove all reference to proxmox crate (use proxmox-sys and
  proxmox-serde instead)

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>

proxmox-rrd/src/cache.rs

@@ -10,7 +10,7 @@ use std::collections::BTreeSet;
 use crossbeam_channel::{bounded, TryRecvError};
 use anyhow::{format_err, bail, Error};
 
-use proxmox::tools::fs::{create_path, CreateOptions};
+use proxmox_sys::fs::{create_path, CreateOptions};
 
 use crate::rrd::{DST, CF, RRD, RRA};
 

proxmox-rrd/src/cache/journal.rs

@@ -10,7 +10,7 @@ use anyhow::{bail, format_err, Error};
 use nix::fcntl::OFlag;
 use crossbeam_channel::Receiver;
 
-use proxmox::tools::fs::atomic_open_or_create_file;
+use proxmox_sys::fs::atomic_open_or_create_file;
 
 const RRD_JOURNAL_NAME: &str = "rrd.journal";
 

proxmox-rrd/src/cache/rrd_map.rs

@@ -4,7 +4,7 @@ use std::collections::HashMap;
 
 use anyhow::{bail, Error};
 
-use proxmox::tools::fs::create_path;
+use proxmox_sys::fs::create_path;
 
 use crate::rrd::{CF, DST, RRD};
 

proxmox-rrd/src/rrd.rs

@@ -18,7 +18,7 @@ use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd};
 use anyhow::{bail, format_err, Error};
 use serde::{Serialize, Deserialize};
 
-use proxmox::tools::fs::{make_tmp_file, CreateOptions};
+use proxmox_sys::fs::{make_tmp_file, CreateOptions};
 use proxmox_schema::api;
 
 use crate::rrd_v1;