Class EnvConfig

opensuse-proxy-cache/src/main.rs:1624–1693

#[derive(Debug, clap::Parser)]
#[clap(about = "OpenSUSE Caching Mirror Tool")]
struct EnvConfig {
    #[arg(short = 's', default_value = "17179869184", env = "CACHE_SIZE")]
    /// Disk size for cache content in bytes. Defaults to 16GiB
    cache_size: usize,
    #[arg(short = 'p', default_value = "/tmp/osuse_cache", env = "CACHE_PATH")]
    /// Path where cache content should be stored
    cache_path: PathBuf,
    #[arg(short = 'c', long = "cache_large_objects", env = "CACHE_LARGE_OBJECTS")]
    /// Should we cache large objects like ISO/vm images/boot images?
    cache_large_objects: bool,
    #[arg(short = 'w', long = "wonder_guard", env = "WONDER_GUARD")]
    /// Enables a bloom filter to prevent pre-emptive caching of one-hit-wonders
    wonder_guard: bool,
    #[arg(short = 'Z', long = "durable_fs", env = "DURABLE_FS")]
    /// Is this running on a consistent and checksummed fs? If yes, then we can skip
    /// internal crc32c sums on get().
    durable_fs: bool,
    #[arg(default_value = "[::]:8080", env = "BIND_ADDRESS", long = "addr")]
    /// Address to listen to for http
    bind_addr: String,

    #[arg(long = "boot-services", env = "BOOT_SERVICES")]
    /// Enable a tftp server for pxe boot services
    boot_services: bool,

    #[arg(
        env = "BOOT_ORIGIN",
        default_value = "http://localhost:8080",
        long = "boot_origin"
    )]
    /// The external URL of this server as seen by boot service clients
    boot_origin: Url,

    #[arg(env = "TLS_BIND_ADDRESS", long = "tlsaddr")]
    /// Address to listen to for https (optional)
    tls_bind_addr: Option<String>,
    #[arg(env = "TLS_PEM_KEY", long = "tlskey")]
    /// Path to the TLS Key file in PEM format.
    tls_pem_key: Option<String>,
    #[arg(env = "TLS_PEM_CHAIN", long = "tlschain")]
    /// Path to the TLS Chain file in PEM format.
    tls_pem_chain: Option<String>,
    #[arg(env = "MIRROR_CHAIN", long = "mirrorchain")]
    /// Url to another proxy-cache instance to chain through.
    mirror_chain: Option<String>,
    #[arg(env = "ACME_CHALLENGE_DIR", long = "acmechallengedir")]
    /// Location to store acme challenges for lets encrypt if in use.
    acme_challenge_dir: Option<String>,

    #[arg(env = "OAUTH2_CLIENT_ID", long = "oauth_client_id")]
    /// Oauth client id
    oauth_client_id: Option<String>,
    #[arg(env = "OAUTH2_CLIENT_SECRET", long = "oauth_client_secret")]
    /// Oauth client secret
    oauth_client_secret: Option<String>,
    #[arg(
        env = "OAUTH2_CLIENT_URL",
        default_value = "http://localhost:8080",