83 lines
2.1 KiB
Rust
83 lines
2.1 KiB
Rust
use std::fmt;
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use failure::*;
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use proxmox::api::const_regex;
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use proxmox::api::schema::*;
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const_regex! {
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/// Regular expression to parse repository URLs
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pub BACKUP_REPO_URL_REGEX = r"^(?:(?:([\w@]+)@)?([\w\-_.]+):)?(\w+)$";
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}
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/// API schema format definition for repository URLs
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pub const BACKUP_REPO_URL: ApiStringFormat = ApiStringFormat::Pattern(&BACKUP_REPO_URL_REGEX);
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/// Reference remote backup locations
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///
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#[derive(Debug)]
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pub struct BackupRepository {
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/// The user name used for Authentication
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user: Option<String>,
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/// The host name or IP address
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host: Option<String>,
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/// The name of the datastore
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store: String,
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}
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impl BackupRepository {
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pub fn user(&self) -> &str {
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if let Some(ref user) = self.user {
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return user;
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}
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"root@pam"
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}
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pub fn host(&self) -> &str {
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if let Some(ref host) = self.host {
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return host;
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}
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"localhost"
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}
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pub fn store(&self) -> &str {
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&self.store
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}
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}
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impl fmt::Display for BackupRepository {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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if let Some(ref user) = self.user {
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write!(f, "{}@{}:{}", user, self.host(), self.store)
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} else if let Some(ref host) = self.host {
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write!(f, "{}:{}", host, self.store)
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} else {
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write!(f, "{}", self.store)
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}
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}
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}
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impl std::str::FromStr for BackupRepository {
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type Err = Error;
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/// Parse a repository URL.
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///
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/// This parses strings like `user@host:datastore`. The `user` and
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/// `host` parts are optional, where `host` defaults to the local
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/// host, and `user` defaults to `root@pam`.
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fn from_str(url: &str) -> Result<Self, Self::Err> {
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let cap = (BACKUP_REPO_URL_REGEX.regex_obj)().captures(url)
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.ok_or_else(|| format_err!("unable to parse repository url '{}'", url))?;
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Ok(Self {
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user: cap.get(1).map(|m| m.as_str().to_owned()),
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host: cap.get(2).map(|m| m.as_str().to_owned()),
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store: cap[3].to_owned(),
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})
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}
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}
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