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Fix the Zabbix template's alerting and bring it to Zabbix 7.4 #494

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Fix the Zabbix template's alerting and bring it to Zabbix 7.4 #494

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17 changes: 17 additions & 0 deletions CHANGELOG.md
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## 4.9.3 2026-08-30 <foellmann at wus-technik dot com>

### Changed
- Zabbix template: fix the tiered "No backups detected" triggers - the 3, 4 and 5 day
expressions each also required the backup to be younger than 2 days and could therefore
never fire, and the 2 day trigger resolved itself once a backup aged past 3 days, leaving
a permanently failing job unalarmed
- Zabbix template: `Backup 20% Smaller in Size` compared against 0.2 (80% smaller) instead
of 0.8, and both size ratio triggers now guard against a zero previous value
- Zabbix template: export version raised to 7.4, backup size given `B` units, and the
template description pointed at the current repository

### Added
- Zabbix template: `No statistics received` trigger with a `{$DBBACKUP.NODATA.PERIOD}`
macro, catching a backup job that stops reporting altogether


## 4.9.2 2026-08-24 <code at nfrastack dot com>

### Changed
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34 changes: 25 additions & 9 deletions zabbix_templates/db_backup.json
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{
"zabbix_export": {
"version": "6.4",
"version": "7.4",
"template_groups": [
{
"uuid": "10b88d2b3a3a4c72b43bdce9310e1162",
Expand All @@ -16,7 +16,7 @@
"uuid": "5a16c1bd694145389eed5ee803d954cc",
"template": "DB Backup4",
"name": "DB Backup4",
"description": "Template for Docker DB Backup Image\n\nMeant for use specifically with https://github.com/tiredofit/docker-db-backup Version > 4.0.0\n\nSupports auto discovery of backup jobs and creates graphs and triggers",
"description": "Template for Docker DB Backup Image\n\nMeant for use specifically with https://github.com/nfrastack/db-backup Version > 4.0.0\n\nSupports auto discovery of backup jobs and creates graphs and triggers",
"groups": [
{
"name": "DB/Backup"
Expand Down Expand Up @@ -82,28 +82,28 @@
"trigger_prototypes": [
{
"uuid": "3681b56bb882466fb304a48b4beb15f0",
"expression": "fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],172800s)=0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],259200s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],345600s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],432800s)<>0",
"expression": "fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],172800s)=0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],259200s)<>0",
"name": "[{#NAME}] No backups detected in 2 days",
"priority": "HIGH",
"manual_close": "YES"
},
{
"uuid": "6c70136c84994197b6396a143b4e956f",
"expression": "fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],172800s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],259200s)=0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],345600s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],432800s)<>0",
"expression": "fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],259200s)=0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],345600s)<>0",
"name": "[{#NAME}] No backups detected in 3 days",
"priority": "DISASTER",
"manual_close": "YES"
},
{
"uuid": "d2038025cab643019cb9610c301f0cb9",
"expression": "fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],172800s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],259200s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],345600s)=0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],432800s)<>0",
"expression": "fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],345600s)=0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],432000s)<>0",
"name": "[{#NAME}] No backups detected in 4 days",
"priority": "DISASTER",
"manual_close": "YES"
},
{
"uuid": "ea85f02d032c4a1dbc1b6e91a3b2b37b",
"expression": "fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],172800s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],259200s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],345600s)<>0 and fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],432800s)=0",
"expression": "fuzzytime(/DB Backup4/dbbackup.backup.datetime.[{#NAME}],432000s)=0",
"name": "[{#NAME}] No backups detected in 5 days",
"priority": "DISASTER",
"manual_close": "YES"
Expand Down Expand Up @@ -164,6 +164,7 @@
"key": "dbbackup.backup.size.[{#NAME}]",
"delay": "0",
"history": "7d",
"units": "B",
"description": "Backup Size",
"tags": [
{
Expand All @@ -174,15 +175,15 @@
"trigger_prototypes": [
{
"uuid": "849f8660bee04427aff55af47b6f509c",
"expression": "last(/DB Backup4/dbbackup.backup.size.[{#NAME}])/last(/DB Backup4/dbbackup.backup.size.[{#NAME}],#2)>1.2",
"expression": "last(/DB Backup4/dbbackup.backup.size.[{#NAME}],#2)>0 and last(/DB Backup4/dbbackup.backup.size.[{#NAME}])/last(/DB Backup4/dbbackup.backup.size.[{#NAME}],#2)>1.2",
"name": "[{#NAME}] Backup 20% Greater in size",
"priority": "WARNING",
"manual_close": "YES"
},
{
"uuid": "74d16a7680544c65af22cc568ce3d59d",
"expression": "last(/DB Backup4/dbbackup.backup.size.[{#NAME}])/last(/DB Backup4/dbbackup.backup.size.[{#NAME}],#2)<0.2",
"name": "[{#NAME}] Backup 20% Smaller in Size",
"expression": "last(/DB Backup4/dbbackup.backup.size.[{#NAME}],#2)>0 and last(/DB Backup4/dbbackup.backup.size.[{#NAME}])/last(/DB Backup4/dbbackup.backup.size.[{#NAME}],#2)<0.8",
"name": "[{#NAME}] Backup 20% Smaller in Size",
"priority": "WARNING",
"manual_close": "YES"
},
Expand Down Expand Up @@ -219,6 +220,14 @@
"name": "[{#NAME}] Backup - Failed with errors",
"priority": "WARNING",
"manual_close": "YES"
},
{
"uuid": "6714ee70e9274e9888c85294bd96a866",
"expression": "nodata(/DB Backup4/dbbackup.backup.status.[{#NAME}],{$DBBACKUP.NODATA.PERIOD})=1",
"name": "[{#NAME}] Backup - No statistics received for {$DBBACKUP.NODATA.PERIOD}",
"priority": "AVERAGE",
"manual_close": "YES",
"description": "The backup job stopped reporting to Zabbix at all - the container is down, scheduling is disabled or monitoring is misconfigured. Unlike the age based triggers this does not depend on the last reported backup timestamp."
}
]
}
Expand Down Expand Up @@ -293,6 +302,13 @@
"value": "Database"
}
],
"macros": [
{
"macro": "{$DBBACKUP.NODATA.PERIOD}",
"value": "2d",
"description": "How long a backup job may stay silent before the 'No statistics received' trigger fires."
}
],
"valuemaps": [
{
"uuid": "92a87279388b4fd1ac51c1e417e1776e",
Expand Down