| 1 | #!/usr/bin/python26 | 
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| 2 | ### | 
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| 3 | ### backmon.commands.check.dssu | 
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| 4 | ### | 
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| 5 |  | 
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| 6 | import sys | 
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| 7 | import os | 
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| 8 | import os.path | 
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| 9 | import glob | 
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| 10 | import re | 
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| 11 |  | 
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| 12 | from optparse import OptionParser | 
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| 13 | from guppy import hpy | 
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| 14 |  | 
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| 15 | from ....lib import * | 
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| 16 |  | 
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| 17 | from backup_monitoring.debug import * | 
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| 18 | from backup_monitoring.math import * | 
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| 19 |  | 
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| 20 | from backup_monitoring.parsing.parsers import bpstulist | 
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| 21 | from backup_monitoring.parsing.parsers import df | 
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| 22 | from backup_monitoring.parsing.parsers import dsu_ls_l | 
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| 23 | from backup_monitoring.parsing.parsers import nbstlutil | 
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| 24 | from backup_monitoring.parsing.parsers import nbdevquery | 
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| 25 | from backup_monitoring.parsing.parsers import bpdbjobs | 
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| 26 |  | 
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| 27 | usage = 'usage: %prog -e [environment] check dssu [dssu]' | 
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| 28 |  | 
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| 29 | parser = OptionParser(usage=usage) | 
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| 30 | parser.add_option('-u', '--updating', action='store_true', default=False, dest='updating', help='only include that are updating monitoring data') | 
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| 31 |  | 
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| 32 | def run(args, kwargs): | 
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| 33 |  | 
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| 34 | # | 
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| 35 | # add kwargs to local namespace | 
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| 36 | # | 
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| 37 | for key in kwargs.keys(): | 
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| 38 |  | 
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| 39 | if re.compile('^[A-Z][A-Z_]+$').match(key): | 
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| 40 | exec(key + ' = kwargs[\'' + key + '\']') | 
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| 41 |  | 
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| 42 | (options, args) = parser.parse_args(args) | 
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| 43 |  | 
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| 44 | if len(args) == 0: | 
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| 45 | ERROR('No storage unit specified!') | 
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| 46 | sys.exit(3) | 
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| 47 |  | 
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| 48 | STUNIT = args[0] | 
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| 49 | STATUS = ExtendedDict() | 
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| 50 |  | 
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| 51 | master_feeds    = ['nbemmcmd_machinealias_getaliases', 'bpstulist', 'nbdevquery_listdv_stype_basicdisk', 'nbdevquery_listdv_stype_advanceddisk', 'nbdevquery_listdv_stype_puredisk', 'df', 'nbstlutil_list'] | 
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| 52 | media_feeds     = ['df', 'dsu_ls_l', ] | 
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| 53 |  | 
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| 54 | try: | 
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| 55 |  | 
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| 56 | environments = ENVIRONMENTS.values() | 
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| 57 |  | 
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| 58 | hp = hpy() | 
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| 59 |  | 
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| 60 | DEBUG('HEAPSIZE=%s' % (heapsize())) | 
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| 61 |  | 
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| 62 | for environment in environments: | 
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| 63 | environment.load_feeds(master=master_feeds, media=media_feeds) | 
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| 64 | environment.parse_aliases() | 
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| 65 | environment.parse_stunits() | 
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| 66 | environment.parse_df_data() | 
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| 67 | environment.parse_dsu_contents() | 
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| 68 | environment.parse_lifecycle_images() | 
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| 69 | environment.parse_disk_pools() | 
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| 70 |  | 
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| 71 | DEBUG('HEAPSIZE=%s' % (heapsize())) | 
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| 72 |  | 
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| 73 | active_jobs = {} | 
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| 74 |  | 
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| 75 | for environment in environments: | 
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| 76 |  | 
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| 77 | # | 
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| 78 | # summarize other stunit statistics | 
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| 79 | # | 
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| 80 | for stunit in environment.stunits: | 
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| 81 |  | 
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| 82 | state = ExtendedDict() | 
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| 83 |  | 
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| 84 | server = environment.resolve_alias(stunit.host_connection) | 
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| 85 | server = server.replace('-backup', '') | 
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| 86 |  | 
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| 87 | if server in environment.updates: | 
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| 88 | monitored = True | 
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| 89 | else: | 
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| 90 | monitored = False | 
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| 91 |  | 
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| 92 | label = stunit.label | 
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| 93 |  | 
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| 94 | # | 
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| 95 | # DSSU specific | 
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| 96 | # | 
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| 97 | if stunit.storage_unit_type == 'Disk' and stunit.media_subtype == 'Basic' and stunit.stage_data == 'yes': | 
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| 98 |  | 
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| 99 | path = stunit.path | 
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| 100 |  | 
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| 101 | media_subtype = stunit.media_subtype | 
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| 102 | disk_type = '' | 
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| 103 | disk_pool = None | 
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| 104 |  | 
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| 105 | # | 
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| 106 | # metrics from nbdevquery | 
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| 107 | # | 
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| 108 | if( media_subtype == 'Basic' and label in environment.disk_pools): | 
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| 109 |  | 
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| 110 | disk_pool = environment.disk_pools[label] | 
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| 111 |  | 
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| 112 | if( media_subtype == 'DiskPool' and stunit.disk_pool in environment.disk_pools): | 
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| 113 |  | 
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| 114 | disk_pool = environment.disk_pools[stunit.disk_pool] | 
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| 115 |  | 
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| 116 | status = '' | 
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| 117 | size = '' | 
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| 118 | used = '' | 
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| 119 | avail = '' | 
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| 120 | pct_full = 100.0 | 
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| 121 | pct_free = 0.0 | 
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| 122 | written = '' | 
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| 123 | jobs = '' | 
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| 124 | images = '' | 
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| 125 | staged = '' | 
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| 126 | pct_staged = 0.0 | 
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| 127 | pct_not_staged = 100.0 | 
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| 128 | backlog = '' | 
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| 129 | pct_usable = 0.0 | 
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| 130 | pct_not_usable = 100.0 | 
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| 131 |  | 
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| 132 | # | 
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| 133 | # get dsu size and available capacity from df -k | 
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| 134 | # | 
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| 135 | if server in environment.df_data: | 
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| 136 |  | 
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| 137 | while True: | 
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| 138 |  | 
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| 139 | # | 
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| 140 | # path matches a mountpoint | 
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| 141 | # | 
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| 142 | if path in environment.df_data[server]: | 
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| 143 |  | 
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| 144 | fs = environment.df_data[server][path] | 
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| 145 |  | 
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| 146 | fs_bytes_size = fs.kbytes * 1024.0 | 
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| 147 | size = pp_bytes(fs_bytes_size) | 
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| 148 |  | 
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| 149 | fs_bytes_used = fs.used * 1024.0 | 
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| 150 | used = pp_bytes(fs_bytes_used) | 
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| 151 |  | 
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| 152 | fs_bytes_avail = fs.avail * 1024.0 | 
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| 153 | avail = pp_bytes(fs_bytes_avail) | 
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| 154 |  | 
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| 155 | pct_full = fs.pct_full | 
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| 156 | pct_free = 100.0 - pct_full | 
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| 157 |  | 
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| 158 | break | 
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| 159 |  | 
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| 160 | # | 
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| 161 | # path is a top-level subdirectory of a mountpoint | 
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| 162 | # | 
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| 163 | head, tail = os.path.split(path) | 
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| 164 | if head in environment.df_data[server]: | 
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| 165 |  | 
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| 166 | fs = environment.df_data[server][head] | 
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| 167 |  | 
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| 168 | fs_bytes_size = fs.kbytes * 1024.0 | 
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| 169 | size = pp_bytes(fs_bytes_size) | 
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| 170 |  | 
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| 171 | fs_bytes_used = fs.used * 1024.0 | 
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| 172 | used = pp_bytes(fs_bytes_used) | 
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| 173 |  | 
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| 174 | fs_bytes_avail = fs.avail * 1024.0 | 
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| 175 | avail = pp_bytes(fs_bytes_avail) | 
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| 176 |  | 
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| 177 | pct_full = fs.pct_full | 
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| 178 | pct_free = 100.0 - pct_full | 
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| 179 |  | 
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| 180 | break | 
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| 181 |  | 
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| 182 | # | 
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| 183 | # break if we cannot match stunit path to a mountpoint | 
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| 184 | # | 
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| 185 | break | 
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| 186 |  | 
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| 187 | # | 
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| 188 | # get size and capacity from nbdevquery if not available from df -k | 
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| 189 | # | 
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| 190 | elif disk_pool: | 
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| 191 |  | 
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| 192 | size = pp_bytes(int(float(disk_pool.total_capacity_gb) * 1024.0 * 1024.0 * 1024.0)) | 
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| 193 | used = pp_bytes(((float(disk_pool.total_capacity_gb) - float(disk_pool.free_space_gb)) * 1024.0 * 1024.0 * 1024.0)) | 
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| 194 | avail = pp_bytes(int(float(disk_pool.free_space_gb) * 1024.0 * 1024.0 * 1024.0)) | 
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| 195 |  | 
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| 196 | if( disk_pool.total_capacity_gb > 0.0 ): | 
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| 197 | pct_full = (((float(disk_pool.total_capacity_gb) - float(disk_pool.free_space_gb)) / float(disk_pool.total_capacity_gb)) * 100.0) | 
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| 198 | else: | 
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| 199 | pct_full = disk_pool.use_pct | 
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| 200 |  | 
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| 201 | pct_free = 100.0 - pct_full | 
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| 202 |  | 
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| 203 | # | 
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| 204 | # get number of images and amount staged | 
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| 205 | # | 
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| 206 | dsu_image_sizes = {} | 
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| 207 | re_image_id = re.compile('^([a-zA-Z0-9\-_.]+_[0-9]+)_([a-zA-Z0-9\-_.]+)\.([a-zA-Z]+)$') | 
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| 208 |  | 
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| 209 | # | 
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| 210 | # get dsu usage from ls -l | 
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| 211 | # | 
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| 212 | if server in environment.dsu_contents: | 
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| 213 |  | 
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| 214 | if path in environment.dsu_contents[server]: | 
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| 215 |  | 
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| 216 | dir = environment.dsu_contents[server][path] | 
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| 217 |  | 
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| 218 | ls_bytes_used = 0 | 
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| 219 |  | 
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| 220 | for file in dir.files: | 
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| 221 |  | 
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| 222 | ls_bytes_used += file.size | 
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| 223 |  | 
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| 224 | match = re_image_id.match(file.filename) | 
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| 225 |  | 
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| 226 | if match: | 
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| 227 |  | 
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| 228 | image_id = match.group(1) | 
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| 229 |  | 
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| 230 | if image_id not in dsu_image_sizes: | 
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| 231 | dsu_image_sizes[image_id] = 0 | 
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| 232 |  | 
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| 233 | dsu_image_sizes[image_id] += file.size | 
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| 234 |  | 
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| 235 | written = pp_bytes(ls_bytes_used) | 
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| 236 |  | 
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| 237 | image_count = 0 | 
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| 238 | image_bytes = 0 | 
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| 239 |  | 
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| 240 | staged_count = 0 | 
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| 241 | staged_bytes = 0 | 
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| 242 |  | 
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| 243 | backlog_count = 0 | 
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| 244 | backlog_bytes = 0 | 
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| 245 |  | 
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| 246 | for image_id, image_size in dsu_image_sizes.items(): | 
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| 247 |  | 
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| 248 | image_count += 1 | 
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| 249 | image_bytes += image_size | 
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| 250 |  | 
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| 251 | if image_id in environment.lifecycle_images: | 
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| 252 |  | 
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| 253 | staged_count += 1 | 
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| 254 | staged_bytes += image_size | 
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| 255 |  | 
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| 256 | else: | 
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| 257 |  | 
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| 258 | backlog_count += 1 | 
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| 259 | backlog_bytes += image_size | 
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| 260 |  | 
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| 261 | images = '%d' % (image_count) | 
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| 262 | staged = '%d' % (staged_count) | 
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| 263 |  | 
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| 264 | if image_bytes > 0: | 
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| 265 | pct_staged = ((float(staged_bytes) / float(image_bytes)) * 100.0) | 
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| 266 | pct_not_staged = (100.0 - ((float(staged_bytes) / float(image_bytes)) * 100.0)) | 
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| 267 |  | 
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| 268 | if image_count == 0: | 
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| 269 | pct_staged = 100.0 | 
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| 270 | pct_not_staged = 0.0 | 
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| 271 |  | 
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| 272 | if image_count > staged_count: | 
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| 273 | backlog = pp_bytes(backlog_bytes) | 
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| 274 |  | 
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| 275 | # | 
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| 276 | # status from nbdevquery | 
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| 277 | # | 
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| 278 | if disk_pool: | 
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| 279 |  | 
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| 280 | if( 'AdminUp' in disk_pool.flags and 'InternalUp' in disk_pool.flags ): | 
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| 281 | status = 'UP' | 
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| 282 | else: | 
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| 283 | status = 'DOWN' | 
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| 284 |  | 
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| 285 | # | 
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| 286 | # | 
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| 287 | # | 
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| 288 | pct_usable = pct_free + pct_staged | 
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| 289 | pct_not_usable = 100.0 - pct_usable | 
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| 290 |  | 
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| 291 | state['status'] = status | 
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| 292 | state['pct_full'] = pct_full | 
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| 293 | state['pct_free'] = pct_free | 
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| 294 | state['pct_staged'] = pct_staged | 
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| 295 | state['pct_not_staged'] = pct_not_staged | 
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| 296 | state['pct_usable'] = pct_usable | 
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| 297 | state['pct_not_usable'] = pct_not_usable | 
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| 298 |  | 
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| 299 | STATUS[label] = state | 
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| 300 |  | 
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| 301 | if STUNIT not in STATUS: | 
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| 302 |  | 
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| 303 | perfdata = 'perfdata=100;0;0' | 
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| 304 | ERROR('Could not find storage unit %s in monitoring data | %s' % (STUNIT, perfdata)) | 
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| 305 | sys.exit(3) | 
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| 306 |  | 
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| 307 | else: | 
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| 308 |  | 
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| 309 | state = STATUS[STUNIT] | 
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| 310 |  | 
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| 311 | perfdata = 'perfdata=%.0f;%.0f;%.0f' % (state.pct_full, state.pct_staged / 100.0 * state.pct_full, state.pct_staged) | 
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| 312 |  | 
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| 313 | if state.status == 'UP': | 
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| 314 | print('OK: Storage unit is up. | %s' % (perfdata)) | 
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| 315 | sys.exit(0) | 
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| 316 |  | 
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| 317 | if state.status == 'DOWN': | 
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| 318 | print('Storage unit is DOWN. | %s' % (perfdata)) | 
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| 319 | sys.exit(2) | 
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| 320 |  | 
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| 321 |  | 
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| 322 | except Exception, e: | 
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| 323 |  | 
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| 324 | perfdata = 'perfdata=100;0;0' | 
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| 325 | #print 'Monitoring data unavailable: %s | %s' % (e, perfdata) | 
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| 326 | print 'DSSU monitoring data unavailable! | %s' % (perfdata) | 
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| 327 | sys.exit(3) | 
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| 328 |  | 
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