mirror of
https://github.com/fluencelabs/marine.git
synced 2025-03-15 05:50:49 +00:00
initial commit
This commit is contained in:
parent
a670ec76cd
commit
4d8ad6f4fd
8
Cargo.lock
generated
8
Cargo.lock
generated
@ -922,6 +922,14 @@ dependencies = [
|
|||||||
"cfg-if",
|
"cfg-if",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "mariadb"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"fluence",
|
||||||
|
"log",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "maybe-uninit"
|
name = "maybe-uninit"
|
||||||
version = "2.0.0"
|
version = "2.0.0"
|
||||||
|
@ -7,6 +7,7 @@ members = [
|
|||||||
"examples/greeting",
|
"examples/greeting",
|
||||||
"examples/ipfs-node/effector",
|
"examples/ipfs-node/effector",
|
||||||
"examples/ipfs-node/pure",
|
"examples/ipfs-node/pure",
|
||||||
|
"examples/mariadb",
|
||||||
"examples/records/effector",
|
"examples/records/effector",
|
||||||
"examples/records/pure",
|
"examples/records/pure",
|
||||||
"examples/records/test-record",
|
"examples/records/test-record",
|
||||||
|
13
examples/mariadb/Cargo.toml
Normal file
13
examples/mariadb/Cargo.toml
Normal file
@ -0,0 +1,13 @@
|
|||||||
|
[package]
|
||||||
|
name = "mariadb"
|
||||||
|
version = "0.1.0"
|
||||||
|
authors = ["Fluence Labs"]
|
||||||
|
edition = "2018"
|
||||||
|
|
||||||
|
[[bin]]
|
||||||
|
name = "mariadb"
|
||||||
|
path = "src/main.rs"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
fluence = { git = "https://github.com/fluencelabs/rust-sdk", features = ["logger"] }
|
||||||
|
log = "0.4.11"
|
12
examples/mariadb/Config.toml
Normal file
12
examples/mariadb/Config.toml
Normal file
@ -0,0 +1,12 @@
|
|||||||
|
modules_dir = "artifacts/"
|
||||||
|
|
||||||
|
[[module]]
|
||||||
|
name = "greeting.wasm"
|
||||||
|
mem_pages_count = 1
|
||||||
|
logger_enabled = false
|
||||||
|
|
||||||
|
[module.imports]
|
||||||
|
mariadb = "/usr/local/bin/mariadb"
|
||||||
|
|
||||||
|
[module.wasi]
|
||||||
|
envs = ["USER=root", "PASSWORD=toor", "HOST=192.168.88.25", "PORT=3306", "DB_NAME=test"]
|
97
examples/mariadb/src/main.rs
Normal file
97
examples/mariadb/src/main.rs
Normal file
@ -0,0 +1,97 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2020 Fluence Labs Limited
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
mod path;
|
||||||
|
|
||||||
|
use fluence::fce;
|
||||||
|
use fluence::WasmLogger;
|
||||||
|
use crate::path::to_full_path;
|
||||||
|
|
||||||
|
use std::path::PathBuf;
|
||||||
|
|
||||||
|
const PASSWORD_ENV_NAME: &str = "PASSWORD";
|
||||||
|
const DB_NAME_ENV_NAME: &str = "DB_NAME";
|
||||||
|
const PORT_ENV_NAME: &str = "PORT";
|
||||||
|
const USER_ENV_NAME: &str = "USER";
|
||||||
|
const HOST_ENV_NAME: &str = "HOST_ENV_NAME";
|
||||||
|
|
||||||
|
const TMP_FILE_NAME: &str = "mariadb.sql";
|
||||||
|
|
||||||
|
pub fn main() {
|
||||||
|
WasmLogger::init_with_level(log::Level::Info).unwrap();
|
||||||
|
}
|
||||||
|
|
||||||
|
#[fce]
|
||||||
|
pub struct ExecutionResult {
|
||||||
|
// Contain execution result if error_code is 0, and empty string or error message otherwise
|
||||||
|
pub result: String,
|
||||||
|
|
||||||
|
// 0 is success, otherwise error code
|
||||||
|
pub error_code: i32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl ExecutionResult {
|
||||||
|
pub fn success(result: String) -> Self {
|
||||||
|
Self {
|
||||||
|
result,
|
||||||
|
error_code: 0,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
pub fn error(error_code: i32) -> Self {
|
||||||
|
Self {
|
||||||
|
result: String::new(),
|
||||||
|
error_code,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[fce]
|
||||||
|
pub fn sql(sql: String) -> ExecutionResult {
|
||||||
|
log::info!("sql called with command {}", sql);
|
||||||
|
|
||||||
|
let sql_cmd_filepath = TMP_FILE_NAME.to_string();
|
||||||
|
|
||||||
|
if let Err(e) = std::fs::write(PathBuf::from(sql_cmd_filepath), sql) {
|
||||||
|
return ExecutionResult {
|
||||||
|
result: String::new(),
|
||||||
|
// it is safe because write return only OS errors
|
||||||
|
error_code: e.raw_os_error().unwrap(),
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
let sql_cmd_filepath = to_full_path(TMP_FILE_NAME);
|
||||||
|
|
||||||
|
let password = std::env::var(PASSWORD_ENV_NAME).unwrap_or_else(|_| "toor".to_string());
|
||||||
|
let db_name = std::env::var(DB_NAME_ENV_NAME).unwrap_or_else(|_| "test".to_string());
|
||||||
|
let port = std::env::var(PORT_ENV_NAME).unwrap_or_else(|_| "3306".to_string());
|
||||||
|
let user = std::env::var(USER_ENV_NAME).unwrap_or_else(|_| "root".to_string());
|
||||||
|
let host = std::env::var(HOST_ENV_NAME).unwrap_or_else(|_| "127.0.0.1".to_string());
|
||||||
|
|
||||||
|
let cmd = format!(
|
||||||
|
"-u{} -p{} -h{} -P{} -D{} < {}",
|
||||||
|
user, password, host, port, db_name, sql_cmd_filepath
|
||||||
|
);
|
||||||
|
|
||||||
|
let result = mariadb(cmd);
|
||||||
|
ExecutionResult::success(result)
|
||||||
|
}
|
||||||
|
|
||||||
|
#[fce]
|
||||||
|
#[link(wasm_import_module = "host")]
|
||||||
|
extern "C" {
|
||||||
|
/// Execute provided sql as a parameters of mariadb cli, return result.
|
||||||
|
pub fn mariadb(sql: String) -> String;
|
||||||
|
}
|
52
examples/mariadb/src/path.rs
Normal file
52
examples/mariadb/src/path.rs
Normal file
@ -0,0 +1,52 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2020 Fluence Labs Limited
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
pub(super) fn to_full_path<S>(cmd: S) -> String
|
||||||
|
where
|
||||||
|
S: Into<String>,
|
||||||
|
{
|
||||||
|
use std::path::Path;
|
||||||
|
use std::path::Component;
|
||||||
|
|
||||||
|
let cmd = cmd.into();
|
||||||
|
let path = Path::new(&cmd);
|
||||||
|
|
||||||
|
let mut components = path.components();
|
||||||
|
let is_absolute = components.next() == Some(Component::RootDir);
|
||||||
|
|
||||||
|
if !is_absolute {
|
||||||
|
return cmd;
|
||||||
|
}
|
||||||
|
|
||||||
|
let parent = match components.next() {
|
||||||
|
Some(Component::Normal(path)) => path.to_str().unwrap(),
|
||||||
|
_ => return cmd,
|
||||||
|
};
|
||||||
|
|
||||||
|
match std::env::var(parent) {
|
||||||
|
Ok(to_dir) => {
|
||||||
|
let mut full_path = std::path::PathBuf::from(to_dir);
|
||||||
|
|
||||||
|
// TODO: optimize this
|
||||||
|
#[allow(clippy::while_let_on_iterator)]
|
||||||
|
while let Some(component) = components.next() {
|
||||||
|
full_path.push(component);
|
||||||
|
}
|
||||||
|
full_path.to_string_lossy().into_owned()
|
||||||
|
}
|
||||||
|
Err(_) => cmd,
|
||||||
|
}
|
||||||
|
}
|
Loading…
x
Reference in New Issue
Block a user