def decommission(key, access, cluster, persistence="no"):
events = Events(key, access, cluster)
node = Host(cluster, events).get_node()
def log(message, logging='warning'):
events.log(node, 'Decommission', message, logging)
log('start dommissioning', 'info')
# make a last backup
if "no" != persistence:
log('make last backups, first RDB', 'info')
# take the latest RDB and move it to S3
rdb = backup.put_RDB(key, access, cluster, 'monthly')
administration.set_RDB(key, access, cluster, rdb)
# make a last snapshot
log('and now a snapshot', 'info')
snapshot = backup.make_snapshot(key, access, cluster, 'monthly')
administration.add_snapshot(key, access, cluster, snapshot)
delete_monitor()
# we don't have to get rid any the volume, it is deleted on termination
# change to the default (no persistence)
log('remove redis.conf', 'info')
os.system("/bin/rm -f /etc/redis/redis.conf")
# and empty the cron as well
log('empty the cron', 'info')
os.system("/bin/echo | /usr/bin/crontab")
# make sure we make a clean AMI, with all monit checks monitored
log('finally, monitor all (monit), for making AMIs', 'info')
os.system("/usr/sbin/monit monitor all")
def decommission(key, access, cluster, persistence="no"):
events = Events(key, access, cluster)
node = Host(cluster, events).get_node()
def log(message, logging="warning"):
events.log(node, "Decommission", message, logging)
log("start dommissioning", "info")
# make a last backup
if "no" != persistence:
log("make last backups, first RDB", "info")
# take the latest RDB and move it to S3
rdb = backup.put_RDB(key, access, cluster, "monthly")
administration.set_RDB(key, access, cluster, rdb)
# make a last snapshot
log("and now a snapshot", "info")
snapshot = backup.make_snapshot(key, access, cluster, "monthly")
administration.add_snapshot(key, access, cluster, snapshot)
delete_monitor()
# we don't have to get rid any the volume, it is deleted on termination
# change to the default (no persistence)
log("remove redis.conf", "info")
os.system("/bin/rm -f /etc/redis/redis.conf")
# and empty the cron as well
# log('empty the cron', 'info')
# os.system("/bin/echo | /usr/bin/crontab")
# make sure we make a clean AMI, with all monit checks monitored
log("finally, monitor all (monit), but 'redis' and slave", "info")
os.system("/usr/bin/monit unmonitor redis")
os.system("/usr/bin/monit unmonitor slave")
os.system("/bin/gzip -df {0}.gz".format(src))
#print os.system("/bin/cat {0}".format(src))
# for convenience we can call this file to make backups directly
if __name__ == '__main__':
s3 = S3Connection(sys.argv[2],sys.argv[3])
# get the bucket, from the cluster name
name = os.environ['REDIS_NAME'].strip()
hosted_zone = os.environ['HOSTED_ZONE_NAME'].rstrip('.')
cluster = "{0}.{1}".format(name, hosted_zone)
bucket = s3.get_bucket( cluster.replace('.', '-'))
if "rdb" == sys.argv[1]:
create_bucket(sys.argv[2], sys.argv[3], cluster)
key = put_RDB(sys.argv[2], sys.argv[3], cluster, sys.argv[4])
administration.set_RDB(sys.argv[2], sys.argv[3], cluster, key)
elif "snapshot" == sys.argv[1]:
backup = make_snapshot(sys.argv[2], sys.argv[3], cluster, sys.argv[4])
administration.add_snapshot(sys.argv[2], sys.argv[3],
cluster, backup)
elif "purge" == sys.argv[1]:
snapshots = administration.get_expired_snapshots(sys.argv[2],
sys.argv[3], cluster)
purge_snapshots(sys.argv[2], sys.argv[3], cluster, snapshots)
elif "purge-all" == sys.argv[1]:
snapshots = administration.get_all_snapshots(sys.argv[2],
sys.argv[3], cluster)
purge_snapshots(sys.argv[2], sys.argv[3], cluster, snapshots)