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src/config/datastore.rs: define DataStoreConfig using api macro

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This commit is contained in:
Dietmar Maurer 2020-01-11 09:18:42 +01:00
parent ca44172404
commit 9e9bc6525e
1 changed files with 42 additions and 31 deletions
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73
src/config/datastore.rs
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@ -1,11 +1,10 @@
use std::collections::HashMap;
use std::io::Read;
use failure::*; use failure::*;
use lazy_static::lazy_static; use lazy_static::lazy_static;
use std::collections::HashMap;
use serde::{Serialize, Deserialize};
use proxmox::tools::{fs::replace_file, fs::CreateOptions, try_block}; use proxmox::api::{api, schema::*};
use proxmox::api::schema::{Schema, ObjectSchema, StringSchema}; use proxmox::tools::{fs::replace_file, fs::CreateOptions};
use crate::section_config::{SectionConfig, SectionConfigData, SectionConfigPlugin}; use crate::section_config::{SectionConfig, SectionConfigData, SectionConfigPlugin};
@ -13,21 +12,39 @@ lazy_static! {
static ref CONFIG: SectionConfig = init(); static ref CONFIG: SectionConfig = init();
} }
const DIR_NAME_SCHEMA: Schema = StringSchema::new("Directory name").schema(); // fixme: define better schemas
const COMMENT_SCHEMA: Schema = StringSchema::new("Datastore comment").schema();
const DATASTORE_ID_SCHEMA: Schema = StringSchema::new("DataStore ID schema.") pub const DIR_NAME_SCHEMA: Schema = StringSchema::new("Directory name").schema();
pub const COMMENT_SCHEMA: Schema = StringSchema::new("Datastore comment").schema();
pub const DATASTORE_ID_SCHEMA: Schema = StringSchema::new("DataStore ID schema.")
.min_length(3) .min_length(3)
.schema(); .schema();
const DATASTORE_PROPERTIES: ObjectSchema = ObjectSchema::new(
"DataStore properties", #[api(
&[ properties: {
("comment", true, &COMMENT_SCHEMA), comment: {
("path", false, &DIR_NAME_SCHEMA), optional: true,
] schema: COMMENT_SCHEMA,
); },
path: {
schema: DIR_NAME_SCHEMA,
},
}
)]
#[derive(Serialize,Deserialize)]
/// Datastore configuration properties.
pub struct DataStoreConfig {
pub comment: Option<String>,
pub path: String,
}
fn init() -> SectionConfig { fn init() -> SectionConfig {
let plugin = SectionConfigPlugin::new("datastore".to_string(), &DATASTORE_PROPERTIES); let obj_schema = match DataStoreConfig::API_SCHEMA {
Schema::Object(ref obj_schema) => obj_schema,
_ => unreachable!(),
};
let plugin = SectionConfigPlugin::new("datastore".to_string(), obj_schema);
let mut config = SectionConfig::new(&DATASTORE_ID_SCHEMA); let mut config = SectionConfig::new(&DATASTORE_ID_SCHEMA);
config.register_plugin(plugin); config.register_plugin(plugin);
@ -37,24 +54,18 @@ fn init() -> SectionConfig {
const DATASTORE_CFG_FILENAME: &str = "/etc/proxmox-backup/datastore.cfg"; const DATASTORE_CFG_FILENAME: &str = "/etc/proxmox-backup/datastore.cfg";
pub fn config() -> Result<SectionConfigData, Error> { pub fn config() -> Result<SectionConfigData, Error> {
let mut contents = String::new(); let content = match std::fs::read_to_string(DATASTORE_CFG_FILENAME) {
Ok(c) => c,
try_block!({ Err(err) => {
match std::fs::File::open(DATASTORE_CFG_FILENAME) { if err.kind() == std::io::ErrorKind::NotFound {
Ok(mut file) => file.read_to_string(&mut contents), String::from("")
Err(err) => { } else {
if err.kind() == std::io::ErrorKind::NotFound { bail!("unable to read '{}' - {}", DATASTORE_CFG_FILENAME, err);
contents = String::from("");
Ok(0)
} else {
Err(err)
}
} }
} }
}) };
.map_err(|e| format_err!("unable to read '{}' - {}", DATASTORE_CFG_FILENAME, e))?;
CONFIG.parse(DATASTORE_CFG_FILENAME, &contents) CONFIG.parse(DATASTORE_CFG_FILENAME, &content)
} }
pub fn save_config(config: &SectionConfigData) -> Result<(), Error> { pub fn save_config(config: &SectionConfigData) -> Result<(), Error> {