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CloudStack primary storage monitoring
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#!/usr/bin/env python3 | |
import json | |
import sys | |
import cs | |
def get_usage_percent(storage: dict) -> float: | |
allocated_space = float(storage['disksizeallocatedgb'].split()[0]) | |
unallocated_space = float(storage['disksizeunallocatedgb'].split()[0]) | |
usage = (allocated_space / (allocated_space + unallocated_space)) * 100 | |
return round(usage, 2) | |
def get_storages(cs_client: cs.CloudStack) -> list: | |
storages = [] | |
st_metrics = cs_client.listStoragePoolsMetrics(all=True) | |
st_metrics = st_metrics['storagepool'] if 'storagepool' in st_metrics else [] | |
for storage in st_metrics: | |
usage = get_usage_percent(storage) | |
storages.append({ | |
'{#NAME}': storage['name'], | |
'{#USAGE}': usage, | |
}) | |
return storages | |
def get_storage_usage(cs_client: cs.CloudStack, name: str) -> float: | |
st_metrics = cs_client.listStoragePoolsMetrics(name=name) | |
st_metrics = st_metrics['storagepool'] if 'storagepool' in st_metrics else [] | |
if len(st_metrics) == 0: | |
raise Exception('Storage not found.') | |
storage = st_metrics[0] | |
return get_usage_percent(storage) | |
if __name__ == '__main__': | |
cs_client = cs.CloudStack(**cs.read_config()) | |
if len(sys.argv) > 1: | |
storage_name = sys.argv[1] | |
usage = get_storage_usage(cs_client, storage_name) | |
print(usage) | |
else: | |
storages = get_storages(cs_client) | |
print(json.dumps(storages)) |
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zabbix_export: | |
version: '6.4' | |
templates: | |
- uuid: 00f78cd947c34ce89eabc07481a0c38c | |
template: 'Cloudstack Storage' | |
name: 'Cloudstack Storage' | |
discovery_rules: | |
- uuid: 9f2065411bb04398b2a7bfc8836efdd5 | |
name: 'CloudStack storages discovery' | |
key: cs.storage.discovery | |
delay: 6h | |
filter: | |
conditions: | |
- macro: '{#NAME}' | |
value: '{$CLOUDSTACK.LLD.FILTER.STORAGE.MATCHES}' | |
formulaid: A | |
- macro: '{#USAGE}' | |
value: '{$CLOUDSTACK.LLD.FILTER.STORAGE.MATCHES}' | |
formulaid: B | |
item_prototypes: | |
- uuid: ba5b639256cb4eaebfe5d814da59588c | |
name: 'CloudStack storage {#NAME}: Get usage' | |
key: 'cs.storage.usage["{#NAME}"]' | |
delay: 6h | |
value_type: FLOAT | |
units: '%' | |
trigger_prototypes: | |
- uuid: a280fbd83efe4a88a134de2f98eb1fa0 | |
expression: 'last(/Cloudstack Storage/cs.storage.usage["{#NAME}"])>{$STORAGE.USAGE.CRIT}' | |
name: 'High storage utilization {#NAME} (more than {$STORAGE.USAGE.CRIT}% used)' | |
priority: AVERAGE | |
dependencies: | |
- name: 'High storage utilization {#NAME} (more than {$STORAGE.USAGE.WARN}% used)' | |
expression: 'last(/Cloudstack Storage/cs.storage.usage["{#NAME}"])>{$STORAGE.USAGE.WARN}' | |
- uuid: 66e96450b3b544b48ecac41b7563fa32 | |
expression: 'last(/Cloudstack Storage/cs.storage.usage["{#NAME}"])>{$STORAGE.USAGE.WARN}' | |
name: 'High storage utilization {#NAME} (more than {$STORAGE.USAGE.WARN}% used)' | |
priority: WARNING | |
macros: | |
- macro: '{$CLOUDSTACK.LLD.FILTER.STORAGE.MATCHES}' | |
value: '.*' | |
description: 'Filter of discoverable storages' | |
- macro: '{$STORAGE.USAGE.CRIT}' | |
value: '90' | |
description: 'This macro is used as a threshold in storage utilization trigger.' | |
- macro: '{$STORAGE.USAGE.WARN}' | |
value: '80' | |
description: 'This macro is used as a threshold in storage utilization trigger.' |
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