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| 1 | +# -*- coding:Utf-8 -*- |
| 2 | +# |
| 3 | +# Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 4 | +# not use this file except in compliance with the License. You may obtain |
| 5 | +# a copy of the License at |
| 6 | +# |
| 7 | +# http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +# |
| 9 | +# Unless required by applicable law or agreed to in writing, software |
| 10 | +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | +# License for the specific language governing permissions and limitations |
| 13 | +# under the License. |
| 14 | +from __future__ import unicode_literals |
| 15 | + |
| 16 | +from collections import OrderedDict |
| 17 | +import six |
| 18 | + |
| 19 | + |
| 20 | +def get_ceph_health_status(driver): |
| 21 | + """Return ceph status. |
| 22 | +
|
| 23 | + Include ceph stats. |
| 24 | + """ |
| 25 | + response = OrderedDict([ |
| 26 | + ('name', driver.__class__.__name__) |
| 27 | + ]) |
| 28 | + try: |
| 29 | + stats = driver.rados.get_cluster_stats() |
| 30 | + except Exception as e: |
| 31 | + response['is_available'] = False |
| 32 | + response['error'] = six.text_type(e) |
| 33 | + else: |
| 34 | + response['is_available'] = True |
| 35 | + response['stats'] = stats |
| 36 | + return response |
| 37 | + |
| 38 | + |
| 39 | +def get_file_health_status(driver): |
| 40 | + """Return file status.""" |
| 41 | + return OrderedDict([ |
| 42 | + ('name', driver.__class__.__name__), |
| 43 | + ('is_available', True) |
| 44 | + ]) |
| 45 | + |
| 46 | + |
| 47 | +def get_redis_health_status(driver): |
| 48 | + """Return redis status. |
| 49 | +
|
| 50 | + Include redis info. |
| 51 | + """ |
| 52 | + response = OrderedDict([ |
| 53 | + ('name', driver.__class__.__name__) |
| 54 | + ]) |
| 55 | + try: |
| 56 | + info = driver._client.info() |
| 57 | + except Exception as e: |
| 58 | + response['is_available'] = False |
| 59 | + response['error'] = six.text_type(e) |
| 60 | + else: |
| 61 | + response['is_available'] = True |
| 62 | + response['info'] = info |
| 63 | + return response |
| 64 | + |
| 65 | + |
| 66 | +def get_s3_health_status(driver): |
| 67 | + """Return s3 status.""" |
| 68 | + response = OrderedDict([ |
| 69 | + ('name', driver.__class__.__name__) |
| 70 | + ]) |
| 71 | + try: |
| 72 | + driver.s3.head_bucket(Bucket=driver._bucket_name) |
| 73 | + except Exception as e: |
| 74 | + response['is_available'] = False |
| 75 | + response['error'] = six.text_type(e) |
| 76 | + else: |
| 77 | + response['is_available'] = True |
| 78 | + return response |
| 79 | + |
| 80 | + |
| 81 | +def get_sqlalchemy_health_status(driver): |
| 82 | + """Return sqlalchemy status.""" |
| 83 | + response = OrderedDict([ |
| 84 | + ('name', driver.__class__.__name__) |
| 85 | + ]) |
| 86 | + try: |
| 87 | + with driver.facade.independent_reader() as session: |
| 88 | + session.execute('SELECT 1') |
| 89 | + except Exception as e: |
| 90 | + response['is_available'] = False |
| 91 | + response['error'] = six.text_type(e) |
| 92 | + else: |
| 93 | + response['is_available'] = True |
| 94 | + return response |
| 95 | + |
| 96 | + |
| 97 | +def get_swift_health_status(driver): |
| 98 | + """Return swift status. |
| 99 | +
|
| 100 | + Include swift account info. |
| 101 | + """ |
| 102 | + response = OrderedDict([ |
| 103 | + ('name', driver.__class__.__name__) |
| 104 | + ]) |
| 105 | + try: |
| 106 | + info = driver.swift.head_account() |
| 107 | + except Exception as e: |
| 108 | + response['is_available'] = False |
| 109 | + response['error'] = six.text_type(e) |
| 110 | + else: |
| 111 | + response['is_available'] = True |
| 112 | + response['info'] = info |
| 113 | + return response |
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