145 lines
4 KiB
Text
145 lines
4 KiB
Text
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#!/bin/bash
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# Inspired by Debian and RedHat run-parts but portable and specific to di-b.
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#
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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allowed_regex=${RUN_PARTS_REGEX:-"^[0-9A-Za-z_-]+$"}
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show_list=
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set -ue
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set -o pipefail
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name=$(basename $0)
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usage() {
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echo "Usage: $name [OPTION] scripts_directory"
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echo "Option:"
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echo " --list print names of all valid files"
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echo
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echo "Examples:"
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echo " dib-run-parts --list /opt/stack/os-config-refresh/configure.d/"
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echo " dib-run-parts /opt/stack/os-config-refresh/configure.d/"
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exit 1
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} >&2
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output_prefix() {
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printf "%s %s " "${name}" "$(date)" >&2
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}
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output () {
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output_prefix
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echo $* >&2
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}
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output_printf () {
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local FORMAT="$1"
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shift
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output_prefix
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printf "${FORMAT}" $@ >&2
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}
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# source the environment files from environment.d
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# arg : target_dir
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source_environment() {
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local dir=$target_dir/../environment.d
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local env_files
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local xtrace
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if [ -d ${dir} ] ; then
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env_files=$(find ${dir} -maxdepth 1 -xtype f | \
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grep -E "/[0-9A-Za-z_\.-]+$" | \
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LANG=C sort -n)
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for env_file in $env_files ; do
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output "Sourcing environment file ${env_file}"
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# Set tracing as we import these environment files; it's
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# nice to see the definitions in the logs
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xtrace=$(set +o | grep xtrace)
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set -o xtrace
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source $env_file
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$xtrace
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done
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fi
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}
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if [ $# -lt 1 ] ; then
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usage
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fi
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if [ "$1" == "--list" ] ; then
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show_list="1"
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shift
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fi
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target_dir="${1:-}"
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if ! [ -d "$target_dir" ] ; then
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output "Scripts directory [$target_dir] must exist and be a directory"
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usage
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fi
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# We specifically only want to sort *by the numbers*.
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# Lexical sorting is not guaranteed, and identical numbers may be
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# parallelized later
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# Note: -maxdepth 1 ensures only files in the target directory (but not
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# subdirectories) are run, which is the way run-parts behaves.
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targets=$(find $target_dir -maxdepth 1 -xtype f -executable -printf '%f\n' | grep -E "$allowed_regex" | LANG=C sort -n || echo "")
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if [ "$show_list" == "1" ] ; then
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for target in $targets ; do
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echo "${target_dir}/${target}"
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done
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exit 0
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fi
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PROFILE_DIR=$(mktemp -d --tmpdir profiledir.XXXXXX)
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# note, run this in a sub-shell so we don't pollute our
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# own environment with source_environment
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(
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source_environment
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for target in $targets ; do
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output "Running $target_dir/$target"
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target_tag=${target//\//_}
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date +%s.%N > $PROFILE_DIR/start_$target_tag
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$target_dir/$target
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target_tag=${target//\//_}
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date +%s.%N > $PROFILE_DIR/stop_$target_tag
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output "$target completed"
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done
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)
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output "----------------------- PROFILING -----------------------"
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output ""
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output "Target: $(basename $target_dir)"
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output ""
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output_printf "%-40s %9s\n" Script Seconds
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output_printf "%-40s %9s\n" --------------------------------------- ----------
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output ""
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pushd $PROFILE_DIR > /dev/null
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for target in $(find . -name 'start_*' -printf '%f\n' | env LC_ALL=C sort -n) ; do
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stop_file=stop_${target##start_}
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start_seconds=$(cat $target)
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stop_seconds=$(cat $stop_file)
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duration=$(echo - | awk "{ print $stop_seconds - $start_seconds }")
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LC_NUMERIC=C LC_ALL=C output_printf "%-40s %10.3f\n" ${target##start_} $duration
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done
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popd > /dev/null
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rm -rf $PROFILE_DIR
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output ""
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output "--------------------- END PROFILING ---------------------"
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