lib_utils/ssh_utils/src/lib.rs
2021-09-01 20:12:41 +01:00

75 lines
2.0 KiB
Rust

// use openssh::{Session, KnownHosts};
use openssh::*;
// use std::io;
// use std::process::Stdio;
use tokio::io::{AsyncWriteExt,AsyncReadExt};
/// ssh
/// ````rust
/// // Prepare address
/// let host= String::from("hostname-or-ip");
/// let user= String::from("root");
/// let port: u16 = 22;
/// let addr = format!("ssh://{}@{}:{}",&user,&host,port);
///
/// // for scp_to_add data content into /tmp/hola
/// let task= String::from("scp_to_add");
/// let trgt=String::from("/tmp/hola");
/// let mut data = String::from("Dime \n");
//
/// // for ssh ls /tmp
/// let task= String::from("ssh");
/// let trgt=String::from("ls");
/// let mut data = String::from("/tmp");
///
/// // Call command and "macth" result
/// match cmds::ssh(&task, &addr, &trgt, &mut data) {
/// Ok(rs) => println!("ssh res: {:?} -> {:?}", rs, &data),
/// Err(e) => println!("ssh error: {:?}", e),
/// }
/// ```
// #[tokio::main]
pub async fn ssh(task: &str, addr: &str, trgt: &str, data: &mut String ) -> anyhow::Result<()> {
let session = Session::connect(&addr,KnownHosts::Strict).await?;
if task == "ssh" {
let ls = session.command(trgt).arg(data).output().await?;
match String::from_utf8(ls.stdout) {
Ok(res) => println!("ls : {:?}",&res),
Err(e) => println!("Error {:?}",e),
};
} else {
let mut sftp = session.sftp();
match task {
"scp_to" => {
let mut w = sftp.write_to(trgt).await?;
let content = data.as_bytes();
w.write_all(content).await?;
w.close().await?;
},
"scp_to_add" => {
let mut w = sftp.append_to(trgt).await?;
let content = data.as_bytes();
w.write_all(content).await?;
w.close().await?;
},
"scp_from" => {
let mut r = sftp.read_from(trgt).await?;
r.read_to_string(data).await?;
// println!("source: {:?}",&data);
r.close().await?;
},
_ => println!("Undefined {:?}",&task),
}
}
session.close().await?;
Ok(())
}
// println!("SSH error no KeyPair found");
// .map_err(|e| {
// debug!("e = {:?}", e);
// Error::SendError
// })?;