Safely configure datastore request in the same method #505

Job	Run time
extra-args	1s
build-all-charms (./charms/worker/) / Build and push charms	3m 12s
build-all-charms (./charms/worker/k8s/) / Build and push charms	3m 23s
integration-tests (k8s) / Get runner image / Get runner image	6s
integration-tests (etcd) / Get runner image / Get runner image	5s
integration-tests (k8s) / Build and push charm	33s
integration-tests (k8s) / Build image / Get images	2s
integration-tests (k8s) / Build rock / Get rocks	6s
integration-tests (etcd) / Build and push charm	32s
integration-tests (etcd) / Build rock / Get rocks	2s
integration-tests (etcd) / Build image / Get images	9s
integration-tests (etcd) / Build rock / Build rock	0s
integration-tests (k8s) / Build image / Build image	0s
integration-tests (k8s) / Build rock / Build rock	0s
integration-tests (k8s) / Get rocks or Docker images	3s
integration-tests (etcd) / Build image / Build image	0s
integration-tests (etcd) / Get rocks or Docker images	1s
integration-tests (k8s) / Integration tests / Integration tests	31m 59s
integration-tests (etcd) / Integration tests / Integration tests	38m 22s
integration-tests (k8s) / Required Integration Test Status Checks	1s
integration-tests (etcd) / Required Integration Test Status Checks	1s
	1h 18m 38s

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