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#![feature(try_trait)]
#![warn(missing_docs)]
#![warn(missing_doc_code_examples)]
mod parameter;
use log::{error, info};
pub use parameter::Parameter;
use rusoto_core::Region;
use rusoto_ssm::SsmClient;
use std::error::Error;
use std::fs::File;
use std::io::prelude::Read;
use yaml_rust::YamlLoader;
pub fn update_from_file(filename: &str) -> Result<(), Box<dyn (Error)>> {
let parameters_from_yaml = read_parameters_yaml(&filename)?;
update_parameters(parameters_from_yaml)
}
pub fn update_parameter(
name: &str,
value: &str,
description: &str,
is_secure: bool,
) -> Result<(), Box<dyn (Error)>> {
update_parameters(vec![Parameter {
name: name.to_string(),
value: value.to_string(),
description: description.to_string(),
is_secure,
}])
}
pub fn update_parameters(parameters: Vec<Parameter>) -> Result<(), Box<dyn (Error)>> {
let client = SsmClient::new(Region::UsWest2);
for parameter in parameters {
match parameter.update(&client) {
Ok(parameter_name) => info!("Parameter {} processed", parameter_name),
Err(_error) => error!("Parameter not updated"),
}
}
info!("Parameter update finished running");
Ok(())
}
fn read_parameters_yaml(filename: &str) -> Result<Vec<Parameter>, Box<dyn (Error)>> {
let mut file = File::open(filename).expect("Unable to open parameter input file");
let mut contents = String::new();
file.read_to_string(&mut contents)
.expect("Unable to read parameter input file");
let docs = YamlLoader::load_from_str(&contents)?;
let parameters: Vec<Parameter> = docs[0]
.as_vec()
.unwrap()
.to_vec()
.iter()
.map(|param| Parameter {
name: param["name"].as_str().unwrap().to_string(),
value: param["value"].as_str().unwrap().to_string(),
description: param["description"].as_str().unwrap().to_string(),
is_secure: param["is_secure"].as_bool().unwrap(),
})
.collect();
info!("Parameters YAML loaded");
Ok(parameters)
}