28 lines
1.2 KiB
Bash
28 lines
1.2 KiB
Bash
[ -e /var/log/webapp ] && refuse "/var/log/webapp already exists; task 2 creates it. Remove it and start the lab again."
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if ! pkg_installed rsyslog; then
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pkg_install rsyslog
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state_set installed-rsyslog 1
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fi
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systemctl enable --now --quiet rsyslog
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ls /etc/logrotate.d >"$LAB_STATE/logrotate-d"
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user_add alice
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# Four commands as alice with sudo, a second apart; the last three are the
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# answer to task 1.
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cat >/etc/sudoers.d/le-lab-alice <<'X'
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alice ALL=(root) NOPASSWD: /usr/bin/ls /etc/apt, /usr/bin/cat /etc/hostname, /usr/bin/du -sh /var/log, /usr/bin/tail -n 5 /var/log/dpkg.log
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X
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chmod 440 /etc/sudoers.d/le-lab-alice
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for c in "/usr/bin/ls /etc/apt" "/usr/bin/cat /etc/hostname" "/usr/bin/du -sh /var/log" "/usr/bin/tail -n 5 /var/log/dpkg.log"; do
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runuser -u alice -- sudo -n $c >/dev/null 2>&1 || true
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sleep 1
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done
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rm -f /etc/sudoers.d/le-lab-alice
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# Messages for task 3, from notice to critical.
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logger -t webapp -p user.notice "cache warmed in 840 ms"
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logger -t webapp -p user.warning "disk use at 85 percent on /var"
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logger -t webapp -p user.err "cannot connect to database at 10.0.0.5:5432"
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logger -t webapp -p user.crit "all worker threads stuck, giving up"
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true
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