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Add functionality to stop and restart processes #25
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… on recreated pods. Also contains change to add pod-uid to the config directory name.
lfrancke
suggested changes
Dec 9, 2020
src/provider/mod.rs
Outdated
| @@ -153,6 +155,7 @@ impl Provider for StackableProvider { | |||
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| async fn initialize_pod_state(&self, pod: &Pod) -> anyhow::Result<Self::PodState> { | |||
| let service_name = pod.name(); | |||
| let service_uid = String::from(pod.as_kube_pod().metadata.uid.as_ref().unwrap()); | |||
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unwrap should be handled properly
lfrancke
previously approved these changes
Dec 10, 2020
src/provider/error.rs
Outdated
| @@ -43,4 +43,6 @@ pub enum StackableError { | |||
| "The following config maps were specified in a pod but not found: {missing_config_maps:?}" | |||
| )] | |||
| MissingConfigMapsError { missing_config_maps: Vec<String> }, | |||
| #[error("An object received from Kubernetes didn't contain a required field: {field_name}")] | |||
| IllegalKubeObject { field_name: String }, | |||
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I have a similar error in operator-rs. I'd suggest we use the same here:
Error: https://github.com/stackabletech/operator-rs/blob/main/src/error.rs#L21-L22
Usage: https://github.com/stackabletech/operator-rs/blob/main/src/lib.rs#L105-L107
…uses in the operator framework (which in turn is copied from the kubernetes client crate).
lfrancke
approved these changes
Dec 10, 2020
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This enables stopping services by deleting their pod objects and subsequently restarting them by recreating the pod.
This unlocks rolling restart/restart functionality in operators.
Also contains change to add pod-uid to the config directory name.