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import create_bwc_index
import logging
import os
import shutil
import subprocess
import sys
import tempfile
def fetch_version(version):
logging.info('fetching ES version %s' % version)
if subprocess.call([sys.executable, os.path.join(os.path.split(sys.argv[0])[0], 'get-bwc-version.py'), version]) != 0:
raise RuntimeError('failed to download ES version %s' % version)
def main():
'''
Creates a back compat index (.zip) using v0.20 and then creates a snapshot of it using v1.1
'''
logging.basicConfig(format='[%(levelname)s] [%(asctime)s] %(message)s', level=logging.INFO,
datefmt='%Y-%m-%d %I:%M:%S %p')
logging.getLogger('elasticsearch').setLevel(logging.ERROR)
logging.getLogger('urllib3').setLevel(logging.WARN)
tmp_dir = tempfile.mkdtemp()
try:
data_dir = os.path.join(tmp_dir, 'data')
logging.info('Temp data dir: %s' % data_dir)
first_version = '0.20.6'
second_version = '1.1.2'
index_name = 'index-%s-and-%s' % (first_version, second_version)
# Download old ES releases if necessary:
release_dir = os.path.join('backwards', 'elasticsearch-%s' % first_version)
if not os.path.exists(release_dir):
fetch_version(first_version)
node = create_bwc_index.start_node(first_version, release_dir, data_dir, cluster_name=index_name)
client = create_bwc_index.create_client()
# Creates the index & indexes docs w/ first_version:
create_bwc_index.generate_index(client, first_version, index_name)
# Make sure we write segments:
flush_result = client.indices.flush(index=index_name)
if not flush_result['ok']:
raise RuntimeError('flush failed: %s' % str(flush_result))
create_bwc_index.shutdown_node(node)
print('%s server output:\n%s' % (first_version, node.stdout.read().decode('utf-8')))
node = None
release_dir = os.path.join('backwards', 'elasticsearch-%s' % second_version)
if not os.path.exists(release_dir):
fetch_version(second_version)
# Now use second_version to snapshot the index:
node = create_bwc_index.start_node(second_version, release_dir, data_dir, cluster_name=index_name)
client = create_bwc_index.create_client()
repo_dir = os.path.join(tmp_dir, 'repo')
create_bwc_index.snapshot_index(client, second_version, repo_dir)
create_bwc_index.shutdown_node(node)
print('%s server output:\n%s' % (second_version, node.stdout.read().decode('utf-8')))
create_bwc_index.compress(tmp_dir, "src/test/resources/indices/bwc", 'unsupportedrepo-%s.zip' % first_version, 'repo')
node = None
finally:
if node is not None:
create_bwc_index.shutdown_node(node)
shutil.rmtree(tmp_dir)
if __name__ == '__main__':
main()
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