Tag: testing
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Forty-three checks passed with a key that did not exist
A test suite for the DNS resolvers had a weakness worth closing: if the SSH key it used went missing, every check would fail, and thirty-seven DNS failures would be reported for what was actually one authentication problem.
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Every light was green and DNS was dead
Two new DNS resolvers went live. The configuration validated. Both services reported active. Every internal name resolved correctly, on both machines.
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A check that cannot fail is worse than no check at all
Skip a check and you know you skipped it. The uncertainty stays visible, sits there being uncomfortable, and eventually gets dealt with.