lint/lib/functions/experimental-batch-workers/gitleaks.sh
Kin Fai Tse c3ac3aa5d9
Batched & parallel support for cfn-lint, eslint, gitleaks (#4088)
* faster linter for cfn-lint and eslint

* workaround shfmt error

* fix xargs interleave large outputs

* parallel gitleaks

* fix exec bit, shfmt, bash linter

* show parallel --citation

* refactor a common interface using named pipe

* add readme for the experimental impl

* fix readme format

* minimize change in worker.sh

* will cite, showed once

* remove junk comment

* explicitly set EXPERIMENTAL_BATCH_WORKER=false

* fix: errors from github/super-linter:v5
2023-10-31 00:13:33 +00:00

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#!/usr/bin/env bash
# gitleaks reports failing linter rules to stdout
# stderr contains uncaught linter errors e.g. invalid parameter, which shall indicate a bug in this script
# using default LintCodebaseBaseStderrParser
# Sample gitleaks output:
#
# Finding: API_KEY=XXXXXXXXX
# Secret: XXXXXXXXX
# RuleID: generic-api-key
# Entropy: 1.000000
# File: /tmp/lint/my-api-key.config
# Line: 1
# Fingerprint: /tmp/lint/my-api-key.config:generic-api-key:1
#
function LintCodebaseGitleaksStdoutParser() {
local STDOUT_PIPENAME="${1}" && shift
local LINTER_NAME="${1}" && shift
# shellcheck disable=SC2155
local ERRORS_FOUND=$( (grep "^File:[[:space:]]\+" | sort -u | wc -l) <"${STDOUT_PIPENAME}")
echo "${ERRORS_FOUND}" >"${STDOUT_PIPENAME}.return"
return 0
}
function ParallelLintCodebaseGitleaks() {
local FILE_TYPE="${1}" && shift
local LINTER_NAME="${1}" && shift
local LINTER_COMMAND="${1}" && shift
local TEST_CASE_RUN="${1}" && shift
local FILE_ARRAY=("$@")
local NUM_PROC="$(($(nproc) * 1))"
local FILES_PER_PROC="1" # no file batching support for gitleaks
local STDOUT_PARSER="LintCodebaseGitleaksStdoutParser"
local STDERR_PARSER="LintCodebaseBaseStderrParser"
info "Running EXPERIMENTAL parallel ${FILE_TYPE} LintCodebase on ${#FILE_ARRAY[@]} files. LINTER_NAME: ${LINTER_NAME}, LINTER_COMMAND: ${LINTER_COMMAND}, TEST_CASE_RUN: ${TEST_CASE_RUN}"
local MODIFIED_LINTER_COMMAND="${LINTER_COMMAND}"
MODIFIED_LINTER_COMMAND=${MODIFIED_LINTER_COMMAND//--source/}
MODIFIED_LINTER_COMMAND=${MODIFIED_LINTER_COMMAND//-s/}
warn "Gitleaks output \"WRN leaks found: <number>\" is suppressed in parallel mode"
MODIFIED_LINTER_COMMAND=${MODIFIED_LINTER_COMMAND//--verbose/}
MODIFIED_LINTER_COMMAND=${MODIFIED_LINTER_COMMAND//-v/}
# shellcheck disable=SC2001
MODIFIED_LINTER_COMMAND=$(sed "s/\-\(-log-level\|l\) \(info\|warn\)//g" <<<"${MODIFIED_LINTER_COMMAND}")
MODIFIED_LINTER_COMMAND="${MODIFIED_LINTER_COMMAND} -v -l error -s"
MODIFIED_LINTER_COMMAND=$(tr -s ' ' <<<"${MODIFIED_LINTER_COMMAND}" | xargs)
debug "Linter command updated from: ${LINTER_COMMAND}"
debug "to: ${MODIFIED_LINTER_COMMAND}"
ParallelLintCodebaseImpl "${FILE_TYPE}" "${LINTER_NAME}" "${MODIFIED_LINTER_COMMAND}" "${TEST_CASE_RUN}" "${NUM_PROC}" "${FILES_PER_PROC}" "${STDOUT_PARSER}" "${STDERR_PARSER}" "${FILE_ARRAY[@]}"
info "Exiting EXPERIMENTAL parallel ${FILE_TYPE} LintCodebase on ${#FILE_ARRAY[@]} files. ERROR_FOUND: ${ERRORS_FOUND}. LINTER_NAME: ${LINTER_NAME}, LINTER_COMMAND: ${LINTER_COMMAND}"
return 0
}