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Change target mountpoint of disk space query #86

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Jan 3, 2019
Merged

Change target mountpoint of disk space query #86

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4 changes: 2 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -334,7 +334,7 @@ Alerts when a node storage usage goes over 85% for five minutes.

```
ALERT node_disk_usage
IF ((node_filesystem_size{mountpoint="/"} - node_filesystem_free{mountpoint="/"}) * 100 / node_filesystem_size{mountpoint="/"}) * on(instance) group_left(node_name) node_meta > 85
IF ((node_filesystem_size{mountpoint="/rootfs"} - node_filesystem_free{mountpoint="/rootfs"}) * 100 / node_filesystem_size{mountpoint="/rootfs"}) * on(instance) group_left(node_name) node_meta > 85
FOR 5m
LABELS { severity="warning" }
ANNOTATIONS {
Expand All @@ -349,7 +349,7 @@ Alerts when a node storage is going to remain out of free space in six hours.

```
ALERT node_disk_fill_rate_6h
IF predict_linear(node_filesystem_free{mountpoint="/"}[1h], 6*3600) * on(instance) group_left(node_name) node_meta < 0
IF predict_linear(node_filesystem_free{mountpoint="/rootfs"}[1h], 6*3600) * on(instance) group_left(node_name) node_meta < 0
FOR 1h
LABELS { severity="critical" }
ANNOTATIONS {
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4 changes: 2 additions & 2 deletions grafana/dashboards/swarmprom-nodes-dash.json
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Expand Up @@ -764,7 +764,7 @@
"tableColumn": "",
"targets": [
{
"expr": "sum(node_filesystem_size_bytes{mountpoint=\"/\"} * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"})",
"expr": "sum(node_filesystem_size_bytes{mountpoint=\"/rootfs\"} * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "",
Expand Down Expand Up @@ -848,7 +848,7 @@
"tableColumn": "",
"targets": [
{
"expr": "sum((node_filesystem_free_bytes{mountpoint=\"/\"} / node_filesystem_size_bytes{mountpoint=\"/\"}) * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"} * 100) / count(node_meta * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"})",
"expr": "sum((node_filesystem_free_bytes{mountpoint=\"/rootfs\"} / node_filesystem_size_bytes{mountpoint=\"/rootfs\"}) * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"} * 100) / count(node_meta * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "",
Expand Down
2 changes: 1 addition & 1 deletion grafana/dashboards/swarmprom-services-dash.json
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Expand Up @@ -1479,7 +1479,7 @@
"tableColumn": "",
"targets": [
{
"expr": "sum((node_filesystem_free_bytes{mountpoint=\"/\"} / node_filesystem_size_bytes{mountpoint=\"/\"}) * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"} * 100) / count(node_meta * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"})",
"expr": "sum((node_filesystem_free_bytes{mountpoint=\"/rootfs\"} / node_filesystem_size_bytes{mountpoint=\"/rootfs\"}) * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"} * 100) / count(node_meta * on(instance) group_left(node_name) node_meta{node_id=~\"$node_id\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "",
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6 changes: 3 additions & 3 deletions prometheus/rules/swarm_node.rules.yml
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Expand Up @@ -22,8 +22,8 @@ groups:
$value}}%.
summary: Memory alert for Swarm node '{{ $labels.node_name }}'
- alert: node_disk_usage
expr: ((node_filesystem_size_bytes{mountpoint="/"} - node_filesystem_free_bytes{mountpoint="/"})
* 100 / node_filesystem_size_bytes{mountpoint="/"}) * ON(instance) GROUP_LEFT(node_name)
expr: ((node_filesystem_size_bytes{mountpoint="/rootfs"} - node_filesystem_free_bytes{mountpoint="/rootfs"})
* 100 / node_filesystem_size_bytes{mountpoint="/rootfs"}) * ON(instance) GROUP_LEFT(node_name)
node_meta > 85
for: 1m
labels:
Expand All @@ -33,7 +33,7 @@ groups:
$value}}%.
summary: Disk alert for Swarm node '{{ $labels.node_name }}'
- alert: node_disk_fill_rate_6h
expr: predict_linear(node_filesystem_free_bytes{mountpoint="/"}[1h], 6 * 3600) * ON(instance)
expr: predict_linear(node_filesystem_free_bytes{mountpoint="/rootfs"}[1h], 6 * 3600) * ON(instance)
GROUP_LEFT(node_name) node_meta < 0
for: 1h
labels:
Expand Down