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fix: wait for background apt/dpkg before running unattended-upgrade #388

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Merged
amits-2u merged 1 commit into from
Oct 6, 2026
Merged

fix: wait for background apt/dpkg before running unattended-upgrade #388

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15 changes: 15 additions & 0 deletions playbooks/roles/security/tasks/security-ubuntu.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,20 @@
state: absent
when: SECURITY_UPDATE_ALL_PACKAGES or not SECURITY_UNATTENDED_UPGRADES

# On a freshly launched instance apt-daily/apt-daily-upgrade (enabled via
# SECURITY_UNATTENDED_UPGRADES) may be running unattended-upgrade in the
# background. Wait for it to release the dpkg lock and finish any interrupted
# dpkg work, otherwise the run below fails with a non-zero return code.
- name: "Wait for background apt/dpkg to release the dpkg lock"
shell: |
set -e
timeout 1800 bash -c 'while fuser /var/lib/dpkg/lock-frontend /var/lib/dpkg/lock /var/lib/apt/lists/lock >/dev/null 2>&1; do sleep 5; done'
dpkg --configure -a
args:
executable: /bin/bash
changed_when: false
when: SECURITY_UPGRADE_ON_ANSIBLE

# We dry-run because unattended-upgrade is quiet, and only had -d (debug) not -v (verbose)
- name: "Take security updates during ansible runs"
command: "{{ item }}"
Expand All @@ -71,4 +85,5 @@
- unattended-upgrade
register: ubuntu_security
retries: 10
delay: 30
until: ubuntu_security is succeeded
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