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annotate dns_check.py @ 288:3af02e24eaf9

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author drewp@bigasterisk.com
date Sun, 21 Apr 2024 17:01:13 -0700
parents bf1573dd1947
children
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1 # run key dns lookups everywhere
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2
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3 from pyinfra import host
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4 from pyinfra.operations import server
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7 def check(name, addr):
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8 server.shell(commands=[
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9 # note: one big string
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10 f"out=`dnsget -q {name}`; "
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11 f'[ -n "$out" ] || exit 1; '
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12 f"if [ $out != {addr} ]; then echo got $out >&2 ; exit 1; fi"
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13 ])
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15
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16 '''
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17 idea: read a file that looks like this:
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18
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19 on host: bang dash slash prime
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20 lookup:
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21 bang 127.0.1.1 10.1.0.1 10.1.0.1 10.5.0.1
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22 bang5 10.5.0.1 10.5.0.1 10.5.0.1 10.5.0.1
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23 dash 10.1.0.5 127.0.1.1 10.1.0.5 10.5.0.5
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24 bang.bigasterisk.com
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25 bang.bigasterisk.com.
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26 prime
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27 projects.bigasterisk.com
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28 etc
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29
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30 '''
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31
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32 if host.name in ['dash', 'bang', 'slash']:
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33 check('dash', '10.2.0.212')
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34 check('projects.bigasterisk.com', '10.2.0.1')
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35 elif host.name in ['prime']:
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36 check('dash', '10.5.0.5')
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37 check('projects.bigasterisk.com', '10.2.0.1') # expected the public addr, but fine
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38 else:
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39 check('dash', '10.2.0.212')
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40 check('projects.bigasterisk.com', '10.2.0.1')
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42 if host.name in ['prime']:
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43 check('bang', '10.5.0.1')
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44 check('slash', '10.5.0.6')
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45 else:
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46 check('bang', '10.2.0.1')
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47 check('slash', '10.2.0.145')
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49 check('bang5', '10.5.0.1')
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50 check('prime', '10.5.0.2')
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