[#5333 3/6] Region snapshot replacement start

Cargo.toml

@@ -305,6 +305,7 @@ crossterm = { version = "0.28.1", features = ["event-stream"] }
 crucible-agent-client = { git = "https://github.com/oxidecomputer/crucible", rev = "e58ca3693cb9ce0438947beba10e97ee38a0966b" }
 crucible-pantry-client = { git = "https://github.com/oxidecomputer/crucible", rev = "e58ca3693cb9ce0438947beba10e97ee38a0966b" }
 crucible-smf = { git = "https://github.com/oxidecomputer/crucible", rev = "e58ca3693cb9ce0438947beba10e97ee38a0966b" }
+crucible-common = { git = "https://github.com/oxidecomputer/crucible", rev = "e58ca3693cb9ce0438947beba10e97ee38a0966b" }
 csv = "1.3.0"
 curve25519-dalek = "4"
 datatest-stable = "0.2.9"

dev-tools/omdb/src/bin/omdb/nexus.rs

@@ -32,6 +32,7 @@ use nexus_saga_recovery::LastPass;
 use nexus_types::deployment::Blueprint;
 use nexus_types::internal_api::background::LookupRegionPortStatus;
 use nexus_types::internal_api::background::RegionReplacementDriverStatus;
+use nexus_types::internal_api::background::RegionSnapshotReplacementStartStatus;
 use nexus_types::inventory::BaseboardId;
 use omicron_uuid_kinds::CollectionUuid;
 use omicron_uuid_kinds::GenericUuid;
@@ -1332,6 +1333,38 @@ fn print_task_details(bgtask: &BackgroundTask, details: &serde_json::Value) {
                 }
             }
         };
+    } else if name == "region_snapshot_replacement" {
+        match serde_json::from_value::<RegionSnapshotReplacementStartStatus>(
+            details.clone(),
+        ) {
+            Err(error) => eprintln!(
+                "warning: failed to interpret task details: {:?}: {:?}",
+                error, details
+            ),
+
+            Ok(status) => {
+                println!(
+                    "    total requests created ok: {}",
+                    status.requests_created_ok.len(),
+                );
+                for line in &status.requests_created_ok {
+                    println!("    > {line}");
+                }
+
+                println!(
+                    "    total start saga invoked ok: {}",
+                    status.start_invoked_ok.len(),
+                );
+                for line in &status.start_invoked_ok {
+                    println!("    > {line}");
+                }
+
+                println!("    errors: {}", status.errors.len());
+                for line in &status.errors {
+                    println!("    > {line}");
+                }
+            }
+        }
     } else {
         println!(
             "warning: unknown background task: {:?} \

dev-tools/omdb/tests/env.out

@@ -127,6 +127,10 @@ task: "region_replacement_driver"
     drive region replacements forward to completion
 
 
+task: "region_snapshot_replacement_start"
+    detect if region snapshots need replacement and begin the process
+
+
 task: "saga_recovery"
     recovers sagas assigned to this Nexus
 
@@ -276,6 +280,10 @@ task: "region_replacement_driver"
     drive region replacements forward to completion
 
 
+task: "region_snapshot_replacement_start"
+    detect if region snapshots need replacement and begin the process
+
+
 task: "saga_recovery"
     recovers sagas assigned to this Nexus
 
@@ -412,6 +420,10 @@ task: "region_replacement_driver"
     drive region replacements forward to completion
 
 
+task: "region_snapshot_replacement_start"
+    detect if region snapshots need replacement and begin the process
+
+
 task: "saga_recovery"
     recovers sagas assigned to this Nexus