[puppetsync] Fix hiera.yaml write race in spec_helper - #123
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michael-riddle merged 1 commit intoAug 24, 2026
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Every parallel_spec worker's before(:all) hook rewrote the shared spec/fixtures/hieradata/hiera.yaml in place; a catalogue compile in another worker during the truncation window saw an empty hiera config and silently dropped all custom hieradata, producing random hieradata-not-applied spec failures across the fleet. hiera.yaml is now written atomically (write + rename). See simp/puppetsync#90; validated on simp/pupmod-simp-simplib#363.
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Every parallel_spec worker's before(:all) hook rewrote the shared
spec/fixtures/hieradata/hiera.yaml in place; a catalogue compile in
another worker during the truncation window saw an empty hiera
config and silently dropped all custom hieradata, producing random
hieradata-not-applied spec failures across the fleet. hiera.yaml is
now written atomically (write + rename).
See simp/puppetsync#90; validated on simp/pupmod-simp-simplib#363.