70 lines
1.9 KiB
Python
70 lines
1.9 KiB
Python
import redis
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import json
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class BuildLogs(object):
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ERROR = 'error'
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COMMAND = 'command'
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PHASE = 'phase'
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def __init__(self, redis_host):
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self._redis = redis.StrictRedis(host=redis_host)
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@staticmethod
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def _logs_key(build_id):
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return 'builds/%s/logs' % build_id
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def append_log_entry(self, build_id, log_obj):
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"""
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Appends the serialized form of log_obj to the end of the log entry list
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and returns the new length of the list.
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"""
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return self._redis.rpush(self._logs_key(build_id), json.dumps(log_obj))
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def append_log_message(self, build_id, log_message, log_type=None):
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"""
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Wraps the message in an envelope and push it to the end of the log entry
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list and returns the index at which it was inserted.
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"""
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log_obj = {
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'message': log_message
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}
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if log_type:
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log_obj['type'] = log_type
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return self._redis.rpush(self._logs_key(build_id), json.dumps(log_obj)) - 1
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def get_log_entries(self, build_id, start_index):
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"""
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Returns a tuple of the current length of the list and an iterable of the
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requested log entries.
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"""
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try:
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llen = self._redis.llen(self._logs_key(build_id))
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log_entries = self._redis.lrange(self._logs_key(build_id), start_index, -1)
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return (llen, (json.loads(entry) for entry in log_entries))
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except redis.ConnectionError:
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return (0, [])
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@staticmethod
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def _status_key(build_id):
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return 'builds/%s/status' % build_id
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def set_status(self, build_id, status_obj):
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"""
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Sets the status key for this build to json serialized form of the supplied
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obj.
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"""
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self._redis.set(self._status_key(build_id), json.dumps(status_obj))
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def get_status(self, build_id):
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"""
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Loads the status information for the specified build id.
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"""
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try:
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fetched = self._redis.get(self._status_key(build_id))
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except redis.ConnectionError:
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return None
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return json.loads(fetched) if fetched else None
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