60 lines
2 KiB
Text
60 lines
2 KiB
Text
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# Shared helpers for NATS admin lib:
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# subject builder, credential resolution, and the low-level request wrapper.
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# Resolve the NATS server URL. CLI flag takes precedence over env, env over default.
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export def nats-admin-url [override: string = ""] {
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if ($override | is-not-empty) {
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$override
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} else {
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$env.NATS_ADMIN_URL? | default "nats://localhost:4222"
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}
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}
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# Resolve the NATS credentials file path.
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export def nats-admin-creds [override: string = ""] {
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if ($override | is-not-empty) {
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$override
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} else {
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$env.NATS_ADMIN_CREDS? | default ""
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}
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}
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# Build a full NATS subject from the configured namespace and a leaf name.
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#
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# Subject pattern: `{prefix}.{env}.{leaf}`
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# Driven by NATS_ADMIN_NAMESPACE_PREFIX and NATS_ADMIN_NAMESPACE_ENV (same env
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# vars used by the Rust server at startup).
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#
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# Examples:
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# (build-admin-subject "admin.health") → "evol.website.prod.admin.health"
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export def build-admin-subject [leaf: string] {
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let prefix = $env.NATS_ADMIN_NAMESPACE_PREFIX? | default "rustelo"
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let env_name = $env.NATS_ADMIN_NAMESPACE_ENV? | default "local"
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$"($prefix).($env_name).($leaf)"
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}
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# Send a request-reply to a NATS subject and return the raw response string.
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#
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# Wraps `nats request` CLI. Credentials file is optional.
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# Timeout defaults to 5 s; override via `--timeout`.
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export def nats-admin-request [
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subject: string # Full subject string
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payload: string = "{}" # JSON payload (default empty object)
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--url: string = "" # NATS server URL override
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--creds: string = "" # Credentials file override
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--timeout: string = "5s" # Request timeout (nats CLI format e.g. 5s, 30s)
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] {
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let server = nats-admin-url $url
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let creds_path = nats-admin-creds $creds
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let base = ["request", "--server", $server, "--timeout", $timeout, $subject, $payload]
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let args = if ($creds_path | is-not-empty) {
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["--creds", $creds_path] ++ $base
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} else {
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$base
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}
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^nats ...$args | str trim
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}
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