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45 lines
1.8 KiB
Bash
45 lines
1.8 KiB
Bash
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#!/bin/bash
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# Copyright 2017 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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# Running cmd $RETRIES times in case of failures.
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function run-cmd-with-retries {
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RETRIES="${RETRIES:-3}"
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for attempt in $(seq 1 ${RETRIES}); do
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local ret_val=0
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exec 5>&1 # Duplicate &1 to &5 for use below.
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# We don't use 'local' to declare result as then ret_val always gets value 0.
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# We use tee to output to &5 (redirected to stdout) while also storing it in the variable.
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result=$("$@" 2>&1 | tee >(cat - >&5)) || ret_val="$?"
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if [[ "${ret_val:-0}" -ne "0" ]]; then
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if [[ $(echo "${result}" | grep -c "already exists") -gt 0 ]]; then
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if [[ "${attempt}" == 1 ]]; then
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echo -e "${color_red}Failed to $1 $2 $3 as the resource hasn't been deleted from a previous run.${color_norm}" >& 2
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exit 1
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fi
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echo -e "${color_yellow}Succeeded to $1 $2 $3 in the previous attempt, but status response wasn't received.${color_norm}"
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return 0
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fi
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echo -e "${color_yellow}Attempt $attempt failed to $1 $2 $3. Retrying.${color_norm}" >& 2
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sleep $(($attempt * 5))
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else
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echo -e "${color_green}Succeeded to $1 $2 $3.${color_norm}"
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return 0
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fi
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done
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echo -e "${color_red}Failed to $1 $2 $3.${color_norm}" >& 2
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exit 1
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}
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