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49 lines
952 B
Bash
49 lines
952 B
Bash
#! /bin/bash
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# temp file of as.sh
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TEMP_ARTHAS_FILE="./as.sh.$$"
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# target file of as.sh
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TARGET_ARTHAS_FILE="./as.sh"
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# update timeout(sec)
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SO_TIMEOUT=60
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# default downloading url
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ARTHAS_FILE_URL="http://arthas.io/arthas/as.sh"
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# exit shell with err_code
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# $1 : err_code
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# $2 : err_msg
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exit_on_err()
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{
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[[ ! -z "${2}" ]] && echo "${2}" 1>&2
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exit ${1}
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}
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# check permission to download && install
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[ ! -w ./ ] && exit_on_err 1 "permission denied, target directory ./ was not writable."
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if [ $# -gt 1 ] && [ $1 = "--url" ]; then
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shift
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ARTHAS_FILE_URL=$1
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shift
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fi
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# download from aliyunos
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echo "downloading... ${TEMP_ARTHAS_FILE}"
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curl \
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-sLk \
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--connect-timeout ${SO_TIMEOUT} \
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$ARTHAS_FILE_URL \
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-o ${TEMP_ARTHAS_FILE} \
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|| exit_on_err 1 "download failed!"
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# wirte or overwrite local file
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rm -rf as.sh
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mv ${TEMP_ARTHAS_FILE} ${TARGET_ARTHAS_FILE}
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chmod +x ${TARGET_ARTHAS_FILE}
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# done
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echo "Arthas install successed."
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