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annotate dns_check.py @ 156:d10cab700ce6

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author drewp@bigasterisk.com
date Thu, 16 Mar 2023 17:42:29 -0700
parents bf1573dd1947
children 3af02e24eaf9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # run key dns lookups everywhere
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2 import tempfile
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3
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4 from pyinfra import host
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5 from pyinfra.operations import server
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8 def check(name, addr):
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9 server.shell(commands=[
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10 # note: one big string
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11 f"out=`dnsget -q {name}`; "
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12 f'[ -n "$out" ] || exit 1; '
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13 f"if [ $out != {addr} ]; then echo got $out >&2 ; exit 1; fi"
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14 ])
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16
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17 '''
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18 idea: read a file that looks like this:
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19
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20 on host: bang dash slash prime
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21 lookup:
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22 bang 127.0.1.1 10.1.0.1 10.1.0.1 10.5.0.1
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23 bang5 10.5.0.1 10.5.0.1 10.5.0.1 10.5.0.1
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24 dash 10.1.0.5 127.0.1.1 10.1.0.5 10.5.0.5
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25 bang.bigasterisk.com
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26 bang.bigasterisk.com.
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27 prime
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28 projects.bigasterisk.com
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29 etc
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30
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31 '''
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32
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33 if host.name in ['dash', 'bang', 'slash']:
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34 check('dash', '10.2.0.212')
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35 check('projects.bigasterisk.com', '10.2.0.1')
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36 elif host.name in ['prime']:
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37 check('dash', '10.5.0.5')
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38 check('projects.bigasterisk.com', '10.2.0.1') # expected the public addr, but fine
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39 else:
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40 check('dash', '10.2.0.212')
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41 check('projects.bigasterisk.com', '10.2.0.1')
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43 if host.name in ['prime']:
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44 check('bang', '10.5.0.1')
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45 check('slash', '10.5.0.6')
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46 else:
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47 check('bang', '10.2.0.1')
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48 check('slash', '10.2.0.145')
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50 check('bang5', '10.5.0.1')
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51 check('prime', '10.5.0.2')
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