| #!/usr/bin/env bash |
| |
| # Copyright 2017 The Kubernetes Authors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # Running cmd $RETRIES times in case of failures. |
| function run-cmd-with-retries { |
| RETRIES="${RETRIES:-3}" |
| for attempt in $(seq 1 ${RETRIES}); do |
| local ret_val=0 |
| exec 5>&1 # Duplicate &1 to &5 for use below. |
| # We don't use 'local' to declare result as then ret_val always gets value 0. |
| # We use tee to output to &5 (redirected to stdout) while also storing it in the variable. |
| result=$("$@" 2>&1 | tee >(cat - >&5)) || ret_val="$?" |
| if [[ "${ret_val:-0}" -ne "0" ]]; then |
| if [[ $(echo "${result}" | grep -c "already exists") -gt 0 ]]; then |
| if [[ "${attempt}" == 1 ]]; then |
| echo -e "${color_red}Failed to $1 $2 ${3:-} as the resource hasn't been deleted from a previous run.${color_norm}" >& 2 |
| exit 1 |
| fi |
| echo -e "${color_yellow}Succeeded to $1 $2 ${3:-} in the previous attempt, but status response wasn't received.${color_norm}" |
| return 0 |
| fi |
| echo -e "${color_yellow}Attempt $attempt failed to $1 $2 ${3:-}. Retrying.${color_norm}" >& 2 |
| sleep $(($attempt * 5)) |
| else |
| echo -e "${color_green}Succeeded to $1 $2 ${3:-}.${color_norm}" |
| return 0 |
| fi |
| done |
| echo -e "${color_red}Failed to $1 $2 ${3:-}.${color_norm}" >& 2 |
| exit 1 |
| } |
