b2d25d4f4d
These are the modifications that were necessary to call this outside of Kubernetes. The support for excluding files from checking gets removed to simplify the script. It shouldn't be needed, because linting can be enabled after fixing whatever scripts might fail the check.
149 lines
4.1 KiB
Bash
Executable File
149 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2014 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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function kube::util::sourced_variable {
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# Call this function to tell shellcheck that a variable is supposed to
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# be used from other calling context. This helps quiet an "unused
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# variable" warning from shellcheck and also document your code.
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true
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}
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kube::util::sortable_date() {
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date "+%Y%m%d-%H%M%S"
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}
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# arguments: target, item1, item2, item3, ...
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# returns 0 if target is in the given items, 1 otherwise.
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kube::util::array_contains() {
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local search="$1"
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local element
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shift
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for element; do
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if [[ "${element}" == "${search}" ]]; then
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return 0
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fi
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done
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return 1
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}
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# Example: kube::util::trap_add 'echo "in trap DEBUG"' DEBUG
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# See: http://stackoverflow.com/questions/3338030/multiple-bash-traps-for-the-same-signal
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kube::util::trap_add() {
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local trap_add_cmd
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trap_add_cmd=$1
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shift
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for trap_add_name in "$@"; do
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local existing_cmd
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local new_cmd
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# Grab the currently defined trap commands for this trap
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existing_cmd=$(trap -p "${trap_add_name}" | awk -F"'" '{print $2}')
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if [[ -z "${existing_cmd}" ]]; then
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new_cmd="${trap_add_cmd}"
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else
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new_cmd="${trap_add_cmd};${existing_cmd}"
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fi
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# Assign the test. Disable the shellcheck warning telling that trap
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# commands should be single quoted to avoid evaluating them at this
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# point instead evaluating them at run time. The logic of adding new
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# commands to a single trap requires them to be evaluated right away.
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# shellcheck disable=SC2064
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trap "${new_cmd}" "${trap_add_name}"
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done
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}
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kube::util::download_file() {
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local -r url=$1
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local -r destination_file=$2
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rm "${destination_file}" 2&> /dev/null || true
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for i in $(seq 5)
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do
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if ! curl -fsSL --retry 3 --keepalive-time 2 "${url}" -o "${destination_file}"; then
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echo "Downloading ${url} failed. $((5-i)) retries left."
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sleep 1
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else
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echo "Downloading ${url} succeed"
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return 0
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fi
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done
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return 1
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}
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# Wait for background jobs to finish. Return with
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# an error status if any of the jobs failed.
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kube::util::wait-for-jobs() {
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local fail=0
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local job
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for job in $(jobs -p); do
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wait "${job}" || fail=$((fail + 1))
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done
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return ${fail}
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}
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# kube::util::join <delim> <list...>
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# Concatenates the list elements with the delimiter passed as first parameter
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#
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# Ex: kube::util::join , a b c
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# -> a,b,c
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function kube::util::join {
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local IFS="$1"
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shift
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echo "$*"
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}
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# kube::util::check-file-in-alphabetical-order <file>
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# Check that the file is in alphabetical order
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#
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function kube::util::check-file-in-alphabetical-order {
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local failure_file="$1"
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if ! diff -u "${failure_file}" <(LC_ALL=C sort "${failure_file}"); then
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{
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echo
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echo "${failure_file} is not in alphabetical order. Please sort it:"
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echo
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echo " LC_ALL=C sort -o ${failure_file} ${failure_file}"
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echo
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} >&2
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false
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fi
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}
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# Some useful colors.
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if [[ -z "${color_start-}" ]]; then
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declare -r color_start="\033["
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declare -r color_red="${color_start}0;31m"
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declare -r color_yellow="${color_start}0;33m"
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declare -r color_green="${color_start}0;32m"
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declare -r color_blue="${color_start}1;34m"
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declare -r color_cyan="${color_start}1;36m"
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declare -r color_norm="${color_start}0m"
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kube::util::sourced_variable "${color_start}"
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kube::util::sourced_variable "${color_red}"
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kube::util::sourced_variable "${color_yellow}"
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kube::util::sourced_variable "${color_green}"
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kube::util::sourced_variable "${color_blue}"
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kube::util::sourced_variable "${color_cyan}"
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kube::util::sourced_variable "${color_norm}"
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fi
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# ex: ts=2 sw=2 et filetype=sh
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