49 lines
1.3 KiB
Rust
49 lines
1.3 KiB
Rust
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use std::fmt::Write;
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use std::fs;
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use std::net::ToSocketAddrs;
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use proxmox::tools;
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fn main() {
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let nodename = tools::nodename();
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let addr = format!("{}:8007", nodename);
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let mut banner = format!("
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{:-<78}
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Welcome to the Proxmox Backup Server. Please use your web browser to
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configure this server - connect to:
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",
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""
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);
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if let Ok(saddrs) = addr.to_socket_addrs() {
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let saddrs: Vec<_> = saddrs
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.filter_map(|s| match !s.ip().is_loopback() {
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true => Some(format!(" https://{}/", s)),
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false => None,
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})
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.collect();
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if !saddrs.is_empty() {
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writeln!(&mut banner, "{}", saddrs.join("\n")).unwrap();
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} else {
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writeln!(
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&mut banner,
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"hostname '{}' does not resolves to any non-loopback address",
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nodename
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)
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.unwrap();
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}
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} else {
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writeln!(&mut banner, "could not resolve hostname '{}'", nodename).unwrap();
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}
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// unwrap will never fail for write!:
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// https://github.com/rust-lang/rust/blob/1.39.0/src/liballoc/string.rs#L2318-L2331
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write!(&mut banner, "\n{:-<78}\n\n", "").unwrap();
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fs::write("/etc/issue", banner.as_bytes()).expect("Unable to write banner to issue file");
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}
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