46 lines
1.6 KiB
Go
46 lines
1.6 KiB
Go
package checker
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import (
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"context"
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"math/rand/v2"
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"time"
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sdk "git.happydns.org/checker-sdk-go/checker"
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)
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// Collect gathers observation data. This is called by happyDomain (or the
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// /collect HTTP endpoint) every time a check runs.
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//
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// In a real checker, this is where you would perform the actual monitoring
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// work: sending network requests, querying APIs, measuring latency, etc.
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//
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// This dummy implementation simply reads options and generates a random score
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// so you can focus on the structure rather than external dependencies.
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//
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// Parameters:
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// - ctx: a context for cancellation/timeout - always honour it.
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// - opts: the merged checker options (admin + user + domain + service + run).
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//
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// Return:
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// - any: the observation data (will be JSON-serialised by the SDK).
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// - error: non-nil if collection failed entirely.
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func (p *dummyProvider) Collect(ctx context.Context, opts sdk.CheckerOptions) (any, error) {
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// Read user-configurable options using the SDK helpers.
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// These helpers handle type coercion gracefully - the value may come as
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// a native Go type (in-process plugin) or as a JSON-decoded float64/string
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// (external HTTP mode). The helpers normalise both cases.
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message := "Hello from the dummy checker!"
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if v, ok := sdk.GetOption[string](opts, "message"); ok && v != "" {
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message = v
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}
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// Generate a random score between 0 and 100 to simulate a measurement.
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// In your real checker, replace this with actual monitoring logic.
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score := rand.Float64() * 100
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return &DummyData{
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Message: message,
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Score: score,
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CollectedAt: time.Now(),
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}, nil
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}
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