117 lines
3.2 KiB
Rust
117 lines
3.2 KiB
Rust
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#![allow(unused)]
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use std::env;
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use std::path::{Path, PathBuf};
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use path_absolutize::*;
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use tempfile::{Builder, NamedTempFile};
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use uuid::Uuid;
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use crate::error::Error;
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// constants for flags
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pub const ALL: &str = "--all";
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pub const CONSOLE_SOCKET: &str = "--console-socket";
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// pub const CRIU: &str = "--criu";
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pub const DEBUG: &str = "--debug";
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pub const DETACH: &str = "--detach";
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pub const FORCE: &str = "--force";
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pub const LOG: &str = "--log";
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pub const LOG_FORMAT: &str = "--log-format";
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pub const NO_NEW_KEYRING: &str = "--no-new-keyring";
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pub const NO_PIVOT: &str = "--no-pivot";
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pub const PID_FILE: &str = "--pid-file";
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pub const ROOT: &str = "--root";
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pub const ROOTLESS: &str = "--rootless";
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pub const SYSTEMD_CGROUP: &str = "--systemd-cgroup";
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// constants for log format
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pub const JSON: &str = "json";
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pub const TEXT: &str = "text";
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// constant for command
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pub const DEFAULT_COMMAND: &str = "runc";
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// helper to resolve path (such as path for runc binary, pid files, etc. )
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pub fn abs_path_buf<P>(path: P) -> Result<PathBuf, Error>
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where
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P: AsRef<Path>,
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{
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Ok(path
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.as_ref()
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.absolutize()
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.map_err(Error::InvalidPath)?
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.to_path_buf())
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}
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pub fn abs_string<P>(path: P) -> Result<String, Error>
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where
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P: AsRef<Path>,
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{
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Ok(abs_path_buf(path)?
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.to_string_lossy()
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.parse::<String>()
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.unwrap())
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}
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pub fn temp_filename_in_runtime_dir() -> Result<String, Error> {
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env::var_os("XDG_RUNTIME_DIR")
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.map(|runtime_dir| {
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format!(
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"{}/runc-process-{}",
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runtime_dir.to_string_lossy().parse::<String>().unwrap(),
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Uuid::new_v4(),
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)
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})
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.ok_or(Error::SpecFileNotFound)
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}
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pub fn make_temp_file_in_runtime_dir() -> Result<(NamedTempFile, String), Error> {
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let file_name = env::var_os("XDG_RUNTIME_DIR")
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.map(|runtime_dir| {
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format!(
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"{}/runc-process-{}",
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runtime_dir.to_string_lossy().parse::<String>().unwrap(),
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Uuid::new_v4(),
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)
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})
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.ok_or(Error::SpecFileNotFound)?;
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let temp_file = Builder::new()
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.prefix(&file_name)
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.tempfile()
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.map_err(Error::SpecFileCreationFailed)?;
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Ok((temp_file, file_name))
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}
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pub fn binary_path<P>(path: P) -> Option<PathBuf>
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where
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P: AsRef<Path>,
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{
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env::var_os("PATH").and_then(|paths| {
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env::split_paths(&paths).find_map(|dir| {
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let full_path = dir.join(path.as_ref());
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if full_path.is_file() {
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Some(full_path)
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} else {
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None
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}
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})
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})
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}
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