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70 lines
1.8 KiB
Bash
70 lines
1.8 KiB
Bash
1 year ago
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#! /bin/bash
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# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
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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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# shellcheck disable=SC2015
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[ -t 2 ] && readonly LOG_TTY=1 || readonly LOG_NO_TTY=1
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if [ "${LOG_TTY-0}" -eq 1 ] && [ "$(tput colors)" -ge 15 ]; then
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readonly FMT_BOLD=$(tput bold)
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readonly FMT_RED=$(tput setaf 1)
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readonly FMT_YELLOW=$(tput setaf 3)
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readonly FMT_BLUE=$(tput setaf 12)
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readonly FMT_CLEAR=$(tput sgr0)
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fi
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log() {
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local -r level="$1"; shift
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local -r message="$*"
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local fmt_on="${FMT_CLEAR-}"
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local -r fmt_off="${FMT_CLEAR-}"
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case "${level}" in
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INFO) fmt_on="${FMT_BLUE-}" ;;
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WARN) fmt_on="${FMT_YELLOW-}" ;;
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ERROR) fmt_on="${FMT_RED-}" ;;
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esac
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printf "%s[%s]%s %b\n" "${fmt_on}" "${level}" "${fmt_off}" "${message}" >&2
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}
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with_retry() {
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local -r max_attempts="$1" delay="$2"
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shift 2
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local count=0 rc
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while true; do
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set +e
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"$@"
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rc="$?"
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set -e
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count="$((count+1))"
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if [[ "${rc}" -eq 0 ]]; then
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echo "'$*' SUCCEEDED in ${count} attempts !"
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return 0
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fi
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if [[ "${max_attempts}" -le 0 ]] || [[ "${count}" -lt "${max_attempts}" ]]; then
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echo "'$*' FAILED at attempt ${count}, will retry in ${delay} seconds ..."
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sleep "${delay}"
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else
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break
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fi
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done
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echo "'$*' FAILED in ${count} attempts !"
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return 1
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}
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