blob: 5450da4f4f33879ab64824f516616ae01337198d [file] [log] [blame]
#!/usr/bin/env bash
# -----------------------------------------------------------------------
# Copyright 2018-2024 Open Networking Foundation Contributors
#
# 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.
# -----------------------------------------------------------------------
# SPDX-FileCopyrightText: 2018-2024 Open Networking Foundation Contributors
# SPDX-License-Identifier: Apache-2.0
# -----------------------------------------------------------------------
# Intent:
# chart_version_check.sh
# checks that changes to a chart include a change to the chart version
# ---------------------------------------------------------------------------
set -u
# set -euo pipefail
##-------------------##
##---] GLOBALS [---##
##-------------------##
declare -i -g force_fail=0
declare -a -g error_stream=()
# declare -A -g ARGV=() # ARGV['debug']=1
# declare -i -g debug=1 # uncomment to enable
##--------------------##
##---] INCLUDES [---##
##--------------------##
{
declare pgm
pgm="$(realpath "${BASH_SOURCE[0]}")"
declare libdir="${pgm%.sh}"
# shellcheck source=chart_version_check/filter_files.sh
# shellcheck disable=SC1091
source "$libdir/filter_files.sh"
}
## -----------------------------------------------------------------------
## Intent: Display a program banner for logging
## -----------------------------------------------------------------------
# shellcheck disable=SC2120
function banner()
{
local program="${0##*/}"
cat <<BANNER
# -----------------------------------------------------------------------
# Running: ${program} $@
# -----------------------------------------------------------------------
# Now: $(date '+%Y-%m-%d %H:%M:%S')
# Git: $(git --version)
# -----------------------------------------------------------------------
# WORKSPACE: $(realpath "${WORKSPACE}")
# WORKSPACE_BRANCH: $(git rev-parse --abbrev-ref HEAD)
# COMPARISON_BRANCH: ${COMPARISON_BRANCH}
# -----------------------------------------------------------------------
BANNER
return
}
## -----------------------------------------------------------------------
## Intent: Augment a version string for display. If the given string
## is empty rewrite to make that detail painfully obvious.
## -----------------------------------------------------------------------
function version_for_display()
{
local -n ref=$1; shift
if [[ ${#ref} -eq 0 ]]; then
ref='?????????????????' # higlight the problem for reporting
fi
return
}
## -----------------------------------------------------------------------
## Intent: Use git commands to retrieve chart version embedded within a file
## -----------------------------------------------------------------------
## Given:
## ref Indirect var for version string return.
## path Repository path to a Chart.yaml file
## branch git branch to retrieve
##
## Return:
## ref Extracted version string
## -----------------------------------------------------------------------
function get_version_by_git()
{
local -n ref=$1 ; shift
local path="$1" ; shift
local branch="$1" ; shift
ref=''
# -----------------------------------------------------------------------
# cat "{branch}:{chart}" to stdout: (wanted => 'version : x.y.z')
# -----------------------------------------------------------------------
readarray -t buffer < <(\
git show "${branch}:${path}" \
| grep '^[[:blank:]]*version[[:blank:]]*:'\
)
# -----------------------------------------------------------------------
# Extract version string
# -----------------------------------------------------------------------
if [[ ${#buffer[@]} -gt 1 ]]; then
cat <<EOM
** -----------------------------------------------------------------------
** IAM: ${BASH_SOURCE[0]} (LINENO: ${LINENO})
** CHART: $path
** WARNING: Unable to identify chart version, multiple strings detected.
** : Consider updating the lint tool to be aware of Chart.yaml
** : record syntax so versions can be extracted for comparison.
** -----------------------------------------------------------------------
EOM
## c_v_c.sh needs to be aware of Chart.yaml record syntax
## so a version can be targeted.
# shellcheck disable=SC1003
declare -p buffer \
| tr '"' '\n' \
| grep '\.' \
| sed -e 's/^[[:blank:]]*//' \
| awk -F'\\' '{print " "$1}' \
| sort -nr
echo
ref='' # Highly forgiving (display only)
elif [[ ${#buffer[@]} -ne 1 ]]; then
ref='' # Highly forgiving (display only)
else
local raw="${buffer[0]}"
# Extract value, split on whitespace, colon, comment or quote
readarray -t fields < <(awk -F '[[:blank:]:#"]+' '{print $2}' <<<"$raw")
ref="${fields[0]}"
fi
return
}
## -----------------------------------------------------------------------
## Intent: Display a log summary entry then exit with status.
## -----------------------------------------------------------------------
function summary_status_with_exit()
{
local exit_code=$1; shift
local program="${0##*/}"
local summary=''
[[ $# -gt 0 ]] && { summary=" - $1"; shift; }
## -----------------------------------
## status override courtesy of error()
## -----------------------------------
declare -i -g force_fail
if [ $force_fail -eq 1 ]; then exit_code=$force_fail; fi
## --------------------------
## Set summary display string
## --------------------------
case "$exit_code" in
0) status='PASS' ;;
*) status='FAIL' ;;
esac
[[ $# -gt 0 ]] && formatStream "$@"
echo
echo "[$status] ${program} ${summary}"
exit "$exit_code"
}
## -----------------------------------------------------------------------
## Intent: Display an error and configure report summary_status as FAIL
## -----------------------------------------------------------------------
function error()
{
declare -i -g force_fail=1
declare -a -g error_stream
# shellcheck disable=SC2124
local error="[ERROR] $@"
error_stream+=("$error")
echo "$error"
return
}
## -----------------------------------------------------------------------
## Intent: Given a list (header and data) format contents as a log entry
## -----------------------------------------------------------------------
## Usage: displayList --banner "List of something" "${data_stream[@]}"
## -----------------------------------------------------------------------
function displayList()
{
local indent=''
while [ $# -gt 0 ]; do
local arg="$1"
case "$arg" in
-*banner) shift; echo "$1" ;;
-*indent) shift; indent="$1" ;;
-*tab-2) echo -n ' ' ;;
-*tab-4) echo -n ' ' ;;
-*tab-6) echo -n ' ' ;;
-*tab-8) echo -n ' ' ;;
-*newline) echo; ;;
-*tab) echo -n ' ' ;;
*) break ;;
esac
shift
done
for line in "$@";
do
echo -e " ${indent}$line"
done
return
}
## -----------------------------------------------------------------------
## Intent: Program init, provide defaults for globals, etc.
## -----------------------------------------------------------------------
function init()
{
# when not running under Jenkins, use current dir as workspace
# o [TODO] - Perform a secondary username check to guard against a
# jenkins/bash env hiccup leaving WORKSPACE= temporarily undefined.
WORKSPACE=${WORKSPACE:-.}
COMPARISON_BRANCH="${COMPARISON_BRANCH:-opencord/master}"
return
}
## -----------------------------------------------------------------------
## Intent: Remove quotes, whitespace & garbage from a string
## -----------------------------------------------------------------------
## ..seealso: https://www.regular-expressions.info/posixbrackets.html
## -----------------------------------------------------------------------
function filter_codes()
{
declare -n val="$1"; shift # indirect
val="${val//[\"\'[:blank:][:cntrl:]]}" # [:punct:] contains hyphen
return
}
## -----------------------------------------------------------------------
## Intent: Detect and report VERSION file changes
## -----------------------------------------------------------------------
## :param path: Path to a Chart.yaml file.
## :type path: str
##
## :param branch: Comparsion baranch (?-remote-?)
## :type branch: str
##
## :return: true if embedded version string was modified.
## :rtype: int
## -----------------------------------------------------------------------
## ..note: What about change detection for: apiVersion, appVersion (?)
## -----------------------------------------------------------------------
function version_diff()
{
local path="$1"; shift
local branch="$1"; shift
declare -n old_var="$1"; shift # indirect
declare -n new_var="$1"; shift # indirect
old_var=''
new_var=''
readarray -t delta < <(git diff -p "$branch" -- "$path")
local modified=0
if [ ${#delta[@]} -gt 0 ]; then # modified
#----------------------------------------
# diff --git a/voltha-adapter-openolt/Chart.yaml [...]
# --- a/voltha-adapter-openolt/Chart.yaml
# +++ b/voltha-adapter-openolt/Chart.yaml
# @@ -14,7 +14,7 @@
# ---
# -version: "2.11.3" (====> 2.11.3)
# +version: "2.11.8" (====> 2.11.8)
#----------------------------------------
local line
for line in "${delta[@]}";
do
case "$line" in
-version*:*)
modified=1
readarray -t tmp <<< "${line#*: }"
# shellcheck disable=SC2034
old_var="${tmp[0]}"
filter_codes 'old_var'
;;
+version*:*)
readarray -t tmp <<< "${line#*: }"
# shellcheck disable=SC2034
new_var="${tmp[0]}"
filter_codes 'new_var'
;;
esac
done
fi
[ $modified -ne 0 ] # set $? for if/then/elif use: "if version_diff; then"
return
}
## -----------------------------------------------------------------------
## Intent: Gather a list of Chart.yaml files from the workspace.
## -----------------------------------------------------------------------
function gather_charts()
{
declare -n varname="$1"; shift
readarray -t varname < <(find . -name 'Chart.yaml' -print)
filter_files varname
local idx
for (( idx=0; idx<${#varname[@]}; idx++ ));
do
local val="${varname[idx]}"
if [ ${#val} -lt 2 ]; then continue; fi
# Normalize: remove './' to support path comparison
if [[ "${val:0:2}" == './' ]]; then
varname[idx]="${val:2:${#val}}"
[[ -v debug ]] && echo "[$idx] ${varname[$idx]}"
fi
done
[[ -v debug ]] && declare -p varname
return
}
## -----------------------------------------------------------------------
## Intent: Given a chart file and complete list of modified files
## display a list of files modified in the chart directory.
## -----------------------------------------------------------------------
## :param chart: path to a Chart.yaml file
## :type chart: str
##
## :param varname: A list files modified in a git sandbox.
## :type varname: list, indirect
## -----------------------------------------------------------------------
function report_modified()
{
local chart="$1"; shift
local dir="${chart%/*}"
# shellcheck disable=SC2178
declare -n varname="$1"; shift
## ---------------------------------------------
## Gather files contained in the chart directory
## ---------------------------------------------
declare -a found=()
for val in "${varname[@]}";
do
case "$val" in
*'/Chart.yaml') ;; # special case
"${dir}"*) found+=("$val") ;;
esac
done
## --------------------------------------------
## Display results when modified files detected
## --------------------------------------------
if [ ${#found[@]} -gt 0 ]; then
declare -a stream=()
stream+=('--tab-4')
stream+=('--banner' "Files Changed: $dir")
stream+=('--tab-6') # really --tab-8
stream+=("${found[@]}")
displayList "${stream[@]}"
fi
[ ${#found[@]} -gt 0 ] # set $? for if/else
return
}
## -----------------------------------------------------------------------
## Intent: Gather a list of Chart.yaml files from the workspace.
## -----------------------------------------------------------------------
declare -a -g charts=()
declare -a -g changes_remote=()
declare -a -g untracked_files=()
function gather_state()
{
local branch="$1"; shift
gather_charts 'charts'
[[ -v debug ]] && declare -p charts
readarray -t changes_remote < <(git diff --name-only "$branch")
filter_files changes_remote
[[ -v debug ]] && declare -p changes_remote
readarray -t untracked_files < <(git ls-files -o --exclude-standard)
filter_files untracked_files
[[ -v debug ]] && declare -p untracked_files
return
}
# shellcheck disable=SC1073
##----------------##
##---] MAIN [---##
##----------------##
init
# shellcheck disable=SC2119
banner
gather_state "$COMPARISON_BRANCH"
chart=''
for chart in "${charts[@]}";
do
[[ -v debug ]] && echo -e "\nCHART: $chart"
## ---------------------------
## Detect VERSION file changes
## ---------------------------
declare -i chart_modified=0
old=''
new=''
if version_diff "$chart" "$COMPARISON_BRANCH" 'old' 'new'; then
version_for_display new
suffix="($old => $new)" # display verion deltas in the right margin
printf '[CHART] %-60s %s\n' "$chart" "$suffix"
chart_modified=1
else
if [[ ${#old} -eq 0 ]]; then
get_version_by_git old "$chart" "$COMPARISON_BRANCH"
fi
version_for_display old
suffix="($old)"
printf '[CHART] %s\n' "$chart"
new="$old"
fi
## -----------------------------------
## Report modified files for the chart
## -----------------------------------
declare -a combo_list=()
combo_list+=("${changes_remote[@]}")
combo_list+=("${untracked_files[@]}")
if report_modified "$chart" 'combo_list';
then
if [ $chart_modified -eq 0 ]; then
version_for_display new
suffix="($old)"
error "Chart modified but version unchanged: ${chart} ${suffix}"
fi
fi
done
## ---------------------------
## Report summary: local edits
## ---------------------------
if [[ -x changes_remote ]] && [ ${#changes_remote} -gt 0 ]; then # local_edits
displayList \
'--newline' \
'--banner' 'Changed Files:' \
"${changes_remote[@]}"
fi
## -------------------------------
## Report summary: untracked files
## -------------------------------
if [ ${#untracked_files[@]} -gt 0 ]; then
displayList \
'--newline' \
'--banner' 'Untracked Files:' \
"${untracked_files[@]}"
fi
## ---------------------------------
## Report summary: problems detected
## ---------------------------------
declare -a -g error_stream
if [ ${#error_stream[@]} -gt 0 ]; then
displayList \
'--newline' \
'--banner' 'Error Sumamry:' \
"${error_stream[@]}"
fi
summary_status_with_exit $?
# -----------------------------------------------------------------------
# Running: chart_version_check.sh
# -----------------------------------------------------------------------
# Now: 2022-12-09 03:10:52
# Git: git version 2.34.1
# -----------------------------------------------------------------------
# COMPARISON_BRANCH: origin/master
# WORKSPACE: .
# -----------------------------------------------------------------------
# [CHART] voltha-adapter-openolt/Chart.yaml (2.11.3 => 2.11.8)
# [CHART] voltha-tracing/Chart.yaml
# [CHART] voltha/Chart.yaml
# Files Changed: voltha-tracing
# voltha-tracing/values.yaml
# [ERROR] Chart modified but version unchanged: voltha-tracing
# [CHART] voltha/Chart.yaml
# -----------------------------------------------------------------------
# [SEE ALSO
# ---------------------------------------------------------------------------
# https://www.regular-expressions.info/posixbrackets.html (character classes)
# ---------------------------------------------------------------------------