48 lines
1.5 KiB
Text
48 lines
1.5 KiB
Text
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# Health check commands for the NATS admin bus.
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#
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# Requires a running Rustelo server with `nats-admin` feature enabled and
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# `external_services.nats_admin.enabled = true`.
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use ./common.nu [build-admin-subject, nats-admin-request]
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# Send a health-check request and return a structured record.
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#
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# Response shape: { status: string, host: string, version: string }
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#
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# Examples:
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# nats-admin health
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# nats-admin health --url nats://nats-hub:4222 --creds /etc/nats/admin.creds
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export def "nats-admin health" [
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--url: string = "" # NATS server URL (overrides NATS_ADMIN_URL)
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--creds: string = "" # Credentials file (overrides NATS_ADMIN_CREDS)
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] {
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let subject = build-admin-subject "admin.health"
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nats-admin-request $subject --url $url --creds $creds | from json
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}
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# Check health and exit non-zero if the server reports anything other than "ok".
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#
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# Suitable for use in CI / k8s liveness probes:
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# nats-admin health check && echo "healthy"
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export def "nats-admin health check" [
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--url: string = ""
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--creds: string = ""
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] {
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let result = nats-admin health --url $url --creds $creds
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let status = $result.status? | default "unknown"
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if $status != "ok" {
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error make { msg: $"Health check failed — status: ($status)" }
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}
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}
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# Print a formatted health summary table.
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export def "nats-admin health show" [
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--url: string = ""
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--creds: string = ""
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] {
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nats-admin health --url $url --creds $creds
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| transpose key value
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| print
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}
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