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Allow pod environment variables to also be sourced from a secret (#946)

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* Extend operator configuration to allow for a pod_environment_secret just like pod_environment_configmap

* Add all keys from PodEnvironmentSecrets as ENV vars (using SecretKeyRef to protect the value)

* Apply envVars from pod_environment_configmap and pod_environment_secrets before doing the global settings from the operator config. This allows them to be overriden by the user (via configmap / secret)

* Add ability use a Secret for custom pod envVars (via pod_environment_secret) to admin documentation

* Add pod_environment_secret to Helm chart values.yaml

* Add unit tests for PodEnvironmentConfigMap and PodEnvironmentSecret - highly inspired by @kupson and his very similar PR #481

* Added new parameter pod_environment_secret to operatorconfig CRD and configmap examples

* Add pod_environment_secret to the operationconfiguration CRD

Co-authored-by: Christian Rohmann <christian.rohmann@inovex.de>
This commit is contained in:
Christian Rohmann
2020-07-30 10:48:16 +02:00
committed by GitHub
co-authored by Christian Rohmann
parent 102a353649
commit ece341d516
13 changed files with 394 additions and 55 deletions
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pkg/util/config/config.go
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@@ -45,6 +45,7 @@ type Resources struct {
MinCPULimit string `name:"min_cpu_limit" default:"250m"`
MinMemoryLimit string `name:"min_memory_limit" default:"250Mi"`
PodEnvironmentConfigMap spec.NamespacedName `name:"pod_environment_configmap"`
PodEnvironmentSecret string `name:"pod_environment_secret"`
NodeReadinessLabel map[string]string `name:"node_readiness_label" default:""`
MaxInstances int32 `name:"max_instances" default:"-1"`
MinInstances int32 `name:"min_instances" default:"-1"`