fix: prevent CIS+TWO_NODE postgresql install hang - #804
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Add root to the sudo group before installing postgresql-16 so pam_wheel does not block su postgres on an interactive password prompt. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
CIS_HARDENING=truehung forever on an interactivePassword:prompt while installingpostgresql-16.harden.shrequiressucallers to be in thesudogroup; root is not a member in the build container, so postgres postinst (su postgres) blocked.usermod -aG sudo rootimmediately before the Ubuntu postgres install sopam_wheelallows the noninteractivesu. Harmless when CIS hardening is off.Test plan
TWO_NODE=trueandCIS_HARDENING=trueand confirm the postgres install completes (no hang at "Setting up postgresql-common").TWO_NODE=trueandCIS_HARDENING=falseand confirm the postgres install still succeeds.