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report: avoid lazy_static for command/files/.. definitions

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those are not in a hot code path, and it is not really much work to
build them on the go..

It may not matther much, but it is unnecessary. Rust will probably
inline most of it anyway..

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2020-11-03 17:27:12 +01:00
parent 941342f70e
commit 93f077c5cf
1 changed files with 19 additions and 14 deletions
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33
src/server/report.rs
View File

@ -1,22 +1,27 @@
use std::path::Path;
use std::process::Command;
use lazy_static::lazy_static;
use crate::config::datastore;
use crate::tools::subscription::read_subscription;
lazy_static! {
static ref FILES: Vec<&'static str> = vec!["/etc/hosts", "/etc/network/interfaces"];
fn files() -> Vec<&'static str> {
vec![
"/etc/hosts",
"/etc/network/interfaces",
]
}
// (<command>, <arg [, arg]>)
static ref COMMANDS: Vec<(&'static str, Vec<&'static str>)> = vec![
("/usr/bin/df", vec!["-h"]),
("/usr/bin/lsblk", vec!["-ascii"])
];
fn commands() -> Vec<(&'static str, Vec<&'static str>)> {
vec![
// ("<command>", vec![<arg [, arg]>])
("df", vec!["-h"]),
("lsblk", vec!["--ascii"]),
]
}
// (<description>, <function to call>)
static ref FUNCTION_CALLS: Vec<(&'static str, fn() -> String)> = vec![
fn function_calls() -> Vec<(&'static str, fn() -> String)> {
vec![
("Subscription status", || match read_subscription() {
Ok(Some(sub_info)) => sub_info.status.to_string(),
_ => String::from("No subscription found"),
@ -33,13 +38,13 @@ lazy_static! {
}
list.join(", ")
})
];
]
}
pub fn generate_report() -> String {
use proxmox::tools::fs::file_read_optional_string;
let file_contents = FILES
let file_contents = files()
.iter()
.map(|file_name| {
let content = match file_read_optional_string(Path::new(file_name)) {
@ -52,7 +57,7 @@ pub fn generate_report() -> String {
.collect::<Vec<String>>()
.join("\n\n");
let command_outputs = COMMANDS
let command_outputs = commands()
.iter()
.map(|(command, args)| {
let output = match Command::new(command).args(args).output() {
@ -64,7 +69,7 @@ pub fn generate_report() -> String {
.collect::<Vec<String>>()
.join("\n\n");
let function_outputs = FUNCTION_CALLS
let function_outputs = function_calls()
.iter()
.map(|(desc, function)| format!("# {}\n{}", desc, function()))
.collect::<Vec<String>>()