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Optimize the "Update Check" API call

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In the "Update Check" API call, if no fields have changed,
don't save the changes to the database.
This commit is contained in:
Pēteris Caune 2020-10-14 18:03:13 +03:00
parent 0e77064c44
commit 7e56156d32
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GPG Key ID: E28D7679E9A9EDE2
1 changed files with 36 additions and 14 deletions
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50
hc/api/views.py
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@ -97,36 +97,58 @@ def _update(check, spec):
new_channels.add(matches[0])
if "name" in spec:
need_save = False
if check.pk is None:
# Empty pk means we're inserting a new check,
# and so do need to save() it:
need_save = True
if "name" in spec and check.name != spec["name"]:
check.name = spec["name"]
need_save = True
if "tags" in spec:
if "tags" in spec and check.tags != spec["tags"]:
check.tags = spec["tags"]
need_save = True
if "desc" in spec:
if "desc" in spec and check.desc != spec["desc"]:
check.desc = spec["desc"]
need_save = True
if "manual_resume" in spec:
if "manual_resume" in spec and check.manual_resume != spec["manual_resume"]:
check.manual_resume = spec["manual_resume"]
need_save = True
if "methods" in spec:
if "methods" in spec and check.methods != spec["methods"]:
check.methods = spec["methods"]
need_save = True
if "timeout" in spec and "schedule" not in spec:
check.kind = "simple"
check.timeout = td(seconds=spec["timeout"])
new_timeout = td(seconds=spec["timeout"])
if check.kind != "simple" or check.timeout != new_timeout:
check.kind = "simple"
check.timeout = new_timeout
need_save = True
if "grace" in spec:
check.grace = td(seconds=spec["grace"])
new_grace = td(seconds=spec["grace"])
if check.grace != new_grace:
check.grace = new_grace
need_save = True
if "schedule" in spec:
check.kind = "cron"
check.schedule = spec["schedule"]
if "tz" in spec:
check.tz = spec["tz"]
if check.kind != "cron" or check.schedule != spec["schedule"]:
check.kind = "cron"
check.schedule = spec["schedule"]
need_save = True
check.alert_after = check.going_down_after()
check.save()
if "tz" in spec and check.tz != spec["tz"]:
check.tz = spec["tz"]
need_save = True
if need_save:
check.alert_after = check.going_down_after()
check.save()
# This needs to be done after saving the check, because of
# the M2M relation between checks and channels: