awx-deploy-diff

#!/bin/bash

# This script comes with ABSOLUTELY NO WARRANTY, use at own risk
# Copyright (C) 2022 Osiris Alejandro Gomez <osiris@gcoop.coop>
# Copyright (C) 2022 Osiris Alejandro Gomez <osiux@osiux.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

# shellcheck disable=SC1090
# shellcheck disable=SC1091
# shellcheck source=/dev/null
# shellcheck disable=SC2002

DIR_BIN="$(dirname "$0")" && source "$DIR_BIN/awx-common"

function usage()
{
cat << EOF
Usage:

\`\`\`bash

  $BIN DEPLOY_DIR DEPLOY_REVISION DEPLOY_DIFF

\`\`\`

Get list of _JSONs_ files difference between two \`git\` revisions
(_commits_, _branchs_ or _tags_) and generate \`deploy/update.awx\`.

Example:

\`\`\`bash

  $BIN awx v0.2.0 v0.1.0

    credential/ssh_wst.json
    project/ansible_wst_v0.2.0.json
    inventory/wst.json
    job_template/wst_wol_v0.2.0.json

\`\`\`

EOF
exit 0
}

[[ -e "$AWX_CFG" ]] || die "NOT FOUND .tower_cli.cfg TRY awx-config"

AWX_DIR="$1"
REVISION="$2"
DEPLOY_TYPE='update'

[[ -z "$1"              ]] && die "EMPTY AWX DIR"
[[ -z "$2"              ]] && die "EMPTY REVISION"
[[ -z "$3"              ]] && die "EMPTY REVISION DIFF"
DIFF="$3"
[[ -d "$AWX_DIR"        ]] || die "NOT FOUND AWX DIR"
[[ -z "$DEPLOY_DIR"     ]] && DEPLOY_DIR='deploy'

cd "$AWX_DIR"              || die "FAILED TO CHANGE TO AWX DIR"
[[ -d '.git'            ]] || die "NOT FOUND GIT REPOSITORY"
CURRENT_BRANCH="$(git branch --no-color | grep '^\* ' | cut -d ' ' -f2)"

git fetch                  || die "FAILED TO FECTH"

if [[ "$CURRENT_BRANCH" != "$REVISION" ]]
then
  git checkout "$REVISION" || die "FAILED TO CHECKOUT $REVISION"
fi

REVISION_TYPE="$(git cat-file -t "$REVISION")"

if [[ "$REVISION_TYPE" != 'tag' ]]
then

  if [[ -n "$DONT_PULL" ]]
  then

    git pull               || die "FAILED TO PULL $REVISION"

  fi

fi

[[ -d "$DEPLOY_DIR"     ]] || die "NOT FOUND DIR $DEPLOY_DIR"

# EXIT IMMEDIATELY IF A COMMAND EXITS WITH A NON-ZERO STATUS
set -e

TMP="$(mktemp)"
OUT="$DEPLOY_DIR/$DEPLOY_TYPE.awx"

git diff -p --name-only "$REVISION" "$DIFF" | grep '\.json$' > "$TMP"

stderror "WRITE DIFF BETWEEN $REVISION AND $DIFF IN $OUT"
cat "$TMP" | while read -r FILE
do

  [[ -f "$FILE" ]] && echo "$FILE"

done | awx-deploy-sort | tee "$OUT"

rm -f "$TMP"