github.com/caos/orbos@v1.5.14-0.20221103111702-e6cd0cea7ad4/docs/boom/labels.md (about) 1 # Labels with BOOM 2 3 Different labels are used in the BOOM context to differentiate resources which are managed by BOOM. 4 5 ## Applications 6 7 All resources of the applications deployed by BOOM have several BOOM-specific labels to identify them as managed by BOOM: 8 - app.kubernetes.io/managed-by: boom.caos.ch 9 - boom.caos.ch/part-of: boom 10 - boom.caos.ch/instance: \*instanceName\* 11 - boom.caos.ch/application: \*application\* 12 13 As example for ambassador: 14 ```yaml 15 apiVersion: apps/v1 16 kind: Deployment 17 metadata: 18 labels: 19 app.kubernetes.io/instance: ambassador 20 app.kubernetes.io/managed-by: boom.caos.ch 21 app.kubernetes.io/name: ambassador 22 app.kubernetes.io/part-of: ambassador 23 boom.caos.ch/application: ambassador 24 boom.caos.ch/instance: boom 25 boom.caos.ch/part-of: boom 26 name: ambassador 27 namespace: caos-system 28 spec: 29 ``` 30 31 It is important to note that only the resources directly applied from BOOM will get the labels, 32 as the resulting pods from the deployments are irrelevant to compare the desired and the current state. 33 Because the pods will get created through the replica-sets which are created through Kubernetes from the deployments. 34 35 If any other resources have this labels and they are not desired, BOOM will delete the resources without asking, 36 as this is part of reconciling the toolset. 37 38 ## ServiceMonitors, PodMonitors and PrometheusRules 39 40 The CRD-definitions for Prometheus have their own labels which define if they are included. 41 42 Labels that the CRD will be included in the caos-Prometheus-instance: 43 - boom.caos.ch/prometheus: \*prometheus-instance\* 44 45 As example the ServiceMonitor for ambassador: 46 ```yaml 47 apiVersion: monitoring.coreos.com/v1 48 kind: ServiceMonitor 49 metadata: 50 labels: 51 app.kubernetes.io/managed-by: boom.caos.ch 52 boom.caos.ch/application: prometheus 53 boom.caos.ch/instance: boom 54 boom.caos.ch/part-of: boom 55 boom.caos.ch/prometheus: caos 56 name: ambassador-servicemonitor 57 namespace: caos-system 58 ``` 59