chef_api 0.2.0

Client for the Chef Server API
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use openssl;
use std;
use serde_json;
use url;
use hyper;
use toml;

#[derive(Fail, Debug)]
pub enum ChefError {
    // errrors coming from somewhere else
    #[fail(display = "An error occurred attempting to sign the request: {}", _0)]
    OpenSSLError(#[cause] openssl::error::ErrorStack),
    #[fail(display = "An error occurred attempting to open a file: {}", _0)]
    IOError(#[cause] std::io::Error),
    #[fail(display = "An error occurred attempting to handle JSON: {}", _0)]
    JsonError(#[cause] serde_json::Error),
    #[fail(display = "An error occurred attempting to parse the Chef Server URL: {}", _0)]
    UrlParseError(#[cause] url::ParseError),
    #[fail(display = "An error occurred attempting to parse the Chef Server URL: {}", _0)]
    UriError(#[cause] hyper::error::UriError),
    #[fail(display = "An error occurred communicating to the Chef Server: {}", _0)]
    HTTPError(#[cause] hyper::error::Error),
    #[fail(display = "An error occurred when using the API client: {}", _0)]
    BorrowError(#[cause] std::cell::BorrowMutError),
    #[fail(display = "Failed to parse credentials file: {}", _0)]
    TomlDeserializeError(#[cause] toml::de::Error),

    // internal errors
    #[fail(display = "Failed to read private key at {}", _0)] PrivateKeyError(String),
    #[fail(display = "Failed to interpret a list of items")] ListError,
    #[fail(display = "Failed to fetch {} from JSON", _0)] KeyMissingError(String),
    #[fail(display = "Can't read config file at {}", _0)] UnparseableConfigError(String),
    #[fail(display = "Chef Server returned an error, with error code: {}", _0)]
    ChefServerResponseError(u16),
    #[fail(display = "Failed to deserialize JSON")] DeserializeError,
    #[fail(display = "Both client_name and node_name are set in the {} profile", _0)]
    DuplicateClientNameError(String),
}