use crate::analyzer::hadolint::parser::instruction::Instruction;
use crate::analyzer::hadolint::rules::{SimpleRule, simple_rule};
use crate::analyzer::hadolint::shell::ParsedShell;
use crate::analyzer::hadolint::types::Severity;
pub fn rule() -> SimpleRule<impl Fn(&Instruction, Option<&ParsedShell>) -> bool + Send + Sync> {
simple_rule(
"DL3014",
Severity::Warning,
"Use the `-y` switch to avoid manual input `apt-get -y install <package>`.",
|instr, shell| {
match instr {
Instruction::Run(_) => {
if let Some(shell) = shell {
!shell.any_command(|cmd| {
if cmd.name == "apt-get" && cmd.has_any_arg(&["install"]) {
!cmd.has_any_flag(&["y", "yes", "assume-yes"])
} else {
false
}
})
} else {
true
}
}
_ => true,
}
},
)
}
#[cfg(test)]
mod tests {
use super::*;
use crate::analyzer::hadolint::config::HadolintConfig;
use crate::analyzer::hadolint::lint::{LintResult, lint};
fn lint_dockerfile(content: &str) -> LintResult {
lint(content, &HadolintConfig::default())
}
#[test]
fn test_apt_get_without_y() {
let result = lint_dockerfile("FROM ubuntu:20.04\nRUN apt-get install nginx");
assert!(result.failures.iter().any(|f| f.code.as_str() == "DL3014"));
}
#[test]
fn test_apt_get_with_y() {
let result = lint_dockerfile("FROM ubuntu:20.04\nRUN apt-get install -y nginx");
assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3014"));
}
#[test]
fn test_apt_get_with_yes() {
let result = lint_dockerfile("FROM ubuntu:20.04\nRUN apt-get install --yes nginx");
assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3014"));
}
#[test]
fn test_apt_get_with_assume_yes() {
let result = lint_dockerfile("FROM ubuntu:20.04\nRUN apt-get install --assume-yes nginx");
assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3014"));
}
#[test]
fn test_apt_get_update_no_y() {
let result = lint_dockerfile("FROM ubuntu:20.04\nRUN apt-get update");
assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3014"));
}
}