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Diffstat (limited to 'docker/base')
| -rw-r--r-- | docker/base/kolla-common.sh | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/docker/base/kolla-common.sh b/docker/base/kolla-common.sh index 56c658c43..75058e521 100644 --- a/docker/base/kolla-common.sh +++ b/docker/base/kolla-common.sh @@ -19,6 +19,41 @@ check_required_vars() { done } +wait_for() { + local loops=${1:-""} + local sleeptime=${2:-""} + local fail_match_output=${fail_match_output:-""} + local successful_match_output=${successful_match_output:-""} + shift 2 || true + local command="$@" + + if [ -z "$loops" -o -z "$sleeptime" -o -z "$command" ]; then + echo "Incorrect call of wait_for. Refer to docs/wait-for.md for help" + fi + + local i=0 + while [ $i -lt $loops ]; do + i=$((i + 1)) + local status=0 + local output=$(eval $command 2>&1) || status=$? + if [[ -n "$successful_match_output" ]] \ + && [[ $output =~ $successful_match_output ]]; then + break + elif [[ -n "$fail_match_output" ]] \ + && [[ $output =~ $fail_match_output ]]; then + echo "Command output matched '$fail_match_output'." + continue + elif [[ -z "$successful_match_output" ]] && [[ $status -eq 0 ]]; then + break + fi + sleep $sleeptime + done + local seconds=$((loops * sleeptime)) + printf 'Timing out after %d seconds:\ncommand=%s\nOUTPUT=%s\n' \ + "$seconds" "$command" "$output" + exit 1 +} + # Exit unless we receive a successful response from corresponding OpenStack # service. check_for_os_service() { |