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Improve heuristic for the apt update last run time #208

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merged 1 commit into from
May 8, 2024
Merged

Improve heuristic for the apt update last run time #208

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11 changes: 7 additions & 4 deletions apt_info.py
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Original file line number Diff line number Diff line change
Expand Up @@ -89,13 +89,16 @@ def _write_autoremove_pending(registry, cache):
def _write_cache_timestamps(registry):
g = Gauge('apt_package_cache_timestamp_seconds', "Apt update last run time.", registry=registry)
apt_pkg.init_config()
if apt_pkg.config.find_b("APT::Periodic::Update-Package-Lists"):
if (
apt_pkg.config.find_b("APT::Periodic::Update-Package-Lists") and
os.path.isfile("/var/lib/apt/periodic/update-success-stamp")
):
# if we run updates automatically with APT::Periodic, we can
# check this timestamp file
# check this timestamp file if it exists
stamp_file = "/var/lib/apt/periodic/update-success-stamp"
else:
# if not, let's just fallback on the lists directory
stamp_file = '/var/lib/apt/lists'
# if not, let's just fallback on the partial file of the lists directory
stamp_file = '/var/lib/apt/lists/partial'
try:
g.set(os.stat(stamp_file).st_mtime)
except OSError:
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