Merge pull request lsst-sqre#3910 from lsst-sqre/u/ajt/fix_pdb

Turn off PDB for monitoring/telegraf

applications/monitoring/README.md

@@ -43,6 +43,7 @@ Monitoring suite: InfluxDB2, Chronograf, telegraf
 | influxdb2.ingress | object | disabled, must be enabled and configured at each site | InfluxDB2 ingress configuration. |
 | influxdb2.livenessProbe.failureThreshold | int | `10` | Number of checks to conclude whether InfluxDB has died |
 | influxdb2.livenessProbe.periodSeconds | int | `10` | Period between checks for whether InfluxDB is still alive |
+| influxdb2.pdb | object | disabled; nonsensical for single replica | InfluxDB2 pod disruption budget. |
 | influxdb2.resources | object | See `values.yaml` | Resource limits and requests for the InfluxDB server instance |
 | influxdb2.startupProbe.enabled | bool | `true` | Whether to enable a startup probe |
 | influxdb2.startupProbe.failureThreshold | int | `60` | Number of checks to conclude whether InfluxDB won't start.  High to allow up to 10 minutes for startup, because checking many shards can be slow. |

applications/monitoring/values.yaml

@@ -23,6 +23,11 @@ influxdb2:
     # -- Where we store secrets to run the server
     existingSecret: monitoring
 
+  # -- InfluxDB2 pod disruption budget.
+  # @default -- disabled; nonsensical for single replica
+  pdb:
+    create: false
+
   # -- InfluxDB2 ingress configuration.
   # @default -- disabled, must be enabled and configured at each site
   ingress:

applications/telegraf/README.md

@@ -28,6 +28,7 @@ Application telemetry collection service
 | telegraf.env[0].valueFrom.secretKeyRef.name | string | `"telegraf"` |  |
 | telegraf.mountPoints[0].mountPath | string | `"/etc/telegraf-generated"` |  |
 | telegraf.mountPoints[0].name | string | `"telegraf-generated-config"` |  |
+| telegraf.pdb.create | bool | `false` |  |
 | telegraf.podLabels."hub.jupyter.org/network-access-hub" | string | `"true"` |  |
 | telegraf.rbac.clusterWide | bool | `true` |  |
 | telegraf.resources.limits.cpu | string | `"1"` |  |

applications/telegraf/values.yaml

@@ -13,6 +13,8 @@ telegraf:
     requests:
       memory: "350Mi"
       cpu: "50m"
+  pdb:
+    create: false
   args:
   - "--config"
   - "/etc/telegraf-generated/telegraf-generated.conf"