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Change systemd unit filtering (#1083)

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* Change systemd unit filtering

Get all units from systemd and filter in Go.
* Improves compatibility with older versions of systemd.
* Improve debugging by printing when units pass the filter.
* Remove extraneous newlines from log messages.

Signed-off-by: Ben Kochie <superq@gmail.com>
This commit is contained in:
Ben Kochie 2018-09-24 15:04:55 +02:00 • committed by GitHub
commit 0fdc089187
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3 changed files with 12 additions and 9 deletions
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3
collector/systemd_linux_test.go
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@ -126,7 +126,8 @@ func TestSystemdIgnoreFilterDefaultKeepsAll(t *testing.T) {
fixtures := getUnitListFixtures()
collector := c.(*systemdCollector)
filtered := filterUnits(fixtures[0], collector.unitWhitelistPattern, collector.unitBlacklistPattern)
if len(filtered) != len(fixtures[0]) {
// Adjust fixtures by 3 "not-found" units.
if len(filtered) != len(fixtures[0])-3 {
t.Error("Default filters removed units")
}
}