Runs a config-db query.
catalog.yamlapiVersion: canaries.flanksource.com/v1
kind: Canary
metadata:
name: node-catalogs
spec:
schedule: '@every 30s'
catalog:
- name: ingress-catalog-check
selector:
- types:
- Kubernetes::IngressClass
test:
expr: "size(results) > 0"
Field | Description | Scheme |
---|---|---|
name* | Name of the check, must be unique within the canary | string |
selector* | ||
description | Description for the check | string |
display | Expression to change the formatting of the display | |
icon | Icon for overwriting default icon on the dashboard | |
labels | Labels for check | map[string]string |
metrics | Metrics to export from | |
test | Evaluate whether a check is healthy | |
transform | Transform data from a check into multiple individual checks |
Resource Selectors
Field | Description | Scheme | Required |
---|---|---|---|
id | ID of the component | string | No |
name | Name of the component/config | string | No |
namespace | Select resources in this namespace only, if empty find resources in all namespaces | string | No |
types | Match any of the types specified | []string | No |
statuses | Match any of the statuses specified | []string | No |
labelSelector | Kubernetes Style Label Selector | LabelSelector | No |
fieldSelector | Kubernetes Style Field Selector Property fields of the component in kubernetes format (or database columns: owner, topology_id, parent_id) | FieldSelector | No |
agent | Select resources created on this agent, Defaults to local | uuid , {name} , local or all | No |
cache | Cache settings to use for the results, expensive selectors or selectors that are used often should be cached for longer periods. Defaults to max-age=10m | no-cache , no-store or max-age={duration} | No |
search | Search for resources via key value pairs using parsing expression grammar | Search | No |
Search
The query syntax is field1=value1 field2>value2 field3=value3* field4=*value4
. *
is for prefix and suffix matching.
Supported operators:
Operator | Syntax | Types |
---|---|---|
= | field=value | string int json |
!= | field!=value | string int json |
* | field=*value or field=value* | string int |
> < | field>value or field<value | datetime int |