cannot execute initial blueprint in simulated environment #8222
Description
Under cargo xtask omicron-dev run-all, I tried to execute the sole built-in blueprint, but it failed to execute:
$ omdb -w nexus blueprints target enable 184d8b69-bfdf-4b68-b8a7-f79412b40003
note: Nexus URL not specified. Will pick one from DNS.
note: using Nexus URL http://[::1]:12221
set target blueprint 184d8b69-bfdf-4b68-b8a7-f79412b40003 to enabled
$ omdb nexus background-tasks show blueprint_executor
note: Nexus URL not specified. Will pick one from DNS.
note: using Nexus URL http://[::1]:12221
task: "blueprint_executor"
configured period: every 1m
currently executing: no
last completed activation: iter 24, triggered by a dependent task completing
started at 2025-05-27T17:54:53.806Z (3s ago) and ran for 1603ms
target blueprint: 184d8b69-bfdf-4b68-b8a7-f79412b40003
execution: enabled
status: completed (14 steps)
warning: at: Deploy single-node clickhouse cluster: failed to initialize single-node clickhouse database: Communication Error: error sending request for url (http://[::1]:8888/init)
warning: at: Deploy sled configs: Failed to put OmicronSledConfig {
...
} to sled b6d65341-167c-41df-9b5c-41cded99c229: Error Response: status: 400 Bad Request; headers: {"content-type": "application/json", "x-request-id": "d57fb89a-2c91-4cee-a7bd-c62511d50a0e", "content-length": "124", "date": "Tue, 27 May 2025 17:54:53 GMT"}; value: Error { error_code: None, message: "Generation number unchanged but data is different", request_id: "d57fb89a-2c91-4cee-a7bd-c62511d50a0e" }
error: (none)
I'll put the full error in a comment because it's too big for a GitHub issue description.