ceph-ansible/contrib/push-roles-to-ansible-galax...

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#!/bin/bash
set -xe
# VARIABLES
BASEDIR=$(dirname "$0")
LOCAL_BRANCH=$(cd $BASEDIR && git rev-parse --abbrev-ref HEAD)
ROLES="ceph-common ceph-mon ceph-osd ceph-mds ceph-rgw ceph-fetch-keys ceph-rbd-mirror ceph-client ceph-container-common ceph-mgr ceph-defaults ceph-config"
# FUNCTIONS
function goto_basedir {
TOP_LEVEL=$(cd $BASEDIR && git rev-parse --show-toplevel)
if [[ "$(pwd)" != "$TOP_LEVEL" ]]; then
pushd "$TOP_LEVEL"
fi
}
function check_existing_remote {
if ! git remote show "$1" &> /dev/null; then
git remote add "$1" git@github.com:/ceph/ansible-"$1".git
fi
}
function pull_origin {
git pull origin master
}
function reset_hard_origin {
# let's bring everything back to normal
git checkout "$LOCAL_BRANCH"
git fetch origin --prune
git fetch --tags
git reset --hard origin/master
}
function check_git_status {
if [[ $(git status --porcelain | wc -l) -gt 0 ]]; then
echo "It looks like the following changes haven't been committed yet"
echo ""
git status --short
echo ""
echo ""
echo "Do you really want to continue?"
echo "Press ENTER to continue or CTRL C to break"
read -r
fi
}
function compare_tags {
# compare local tags (from https://github.com/ceph/ceph-ansible/) with distant tags (from https://github.com/ceph/ansible-ceph-$ROLE)
local tag_local
local tag_remote
for tag_local in $(git tag | grep -oE '^v[2-9].[0-9]*.[0-9]*$' | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n); do
tags_array+=("$tag_local")
done
for tag_remote in $(git ls-remote --tags "$1" | grep -oE 'v[2-9].[0-9]*.[0-9]*$' | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n); do
remote_tags_array+=("$tag_remote")
done
for i in "${tags_array[@]}"; do
skip=
for j in "${remote_tags_array[@]}"; do
[[ "$i" == "$j" ]] && { skip=1; break; }
done
[[ -n $skip ]] || tag_to_apply+=("$i")
done
}
# MAIN
goto_basedir
check_git_status
trap reset_hard_origin EXIT
trap reset_hard_origin ERR
pull_origin
for ROLE in $ROLES; do
# For readability we use 2 variables with the same content
# so we always make sure we 'push' to a remote and 'filter' a role
REMOTE=$ROLE
check_existing_remote "$REMOTE"
reset_hard_origin
# First we filter branches by rewriting master with the content of roles/$ROLE
# this gives us a new commit history
for BRANCH in $(git branch --list --remotes "origin/stable-*" "origin/master" "origin/ansible-1.9" | cut -d '/' -f2); do
git checkout -B "$BRANCH" origin/"$BRANCH"
# use || true to avoid exiting in case of 'Found nothing to rewrite'
git filter-branch -f --prune-empty --subdirectory-filter roles/"$ROLE" || true
git push -f "$REMOTE" "$BRANCH"
done
reset_hard_origin
# then we filter tags starting from version 2.0 and push them
compare_tags "$ROLE"
if [[ ${#tag_to_apply[@]} == 0 ]]; then
echo "No new tag to push."
continue
fi
for TAG in "${tag_to_apply[@]}"; do
# use || true to avoid exiting in case of 'Found nothing to rewrite'
git filter-branch -f --prune-empty --subdirectory-filter roles/"$ROLE" "$TAG" || true
git push -f "$REMOTE" "$TAG"
reset_hard_origin
done
done
trap - EXIT ERR
popd &> /dev/null