116 lines
4.2 KiB
Go
116 lines
4.2 KiB
Go
package checker
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import (
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"time"
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"git.happydns.org/happyDomain/model"
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)
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// Version is the checker version reported in CheckerDefinition.Version.
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//
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// It defaults to "built-in", which is appropriate when the checker package is
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// imported directly (built-in or plugin mode). Standalone binaries (like
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// main.go) should override this from their own Version variable at the start
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// of main(), which makes it easy for CI to inject a version with a single
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// -ldflags "-X main.Version=..." flag instead of targeting the nested
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// package path.
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var Version = "built-in"
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// Definition returns the CheckerDefinition for the dummy checker.
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//
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// A CheckerDefinition tells happyDomain everything it needs to know about
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// your checker: its identity, where it can be applied, what options it
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// accepts, what rules it provides, and how often it should run.
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func Definition() *happydns.CheckerDefinition {
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return &happydns.CheckerDefinition{
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// ID is a unique, stable identifier for this checker. It is stored in
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// the database, so never change it after release.
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ID: "dummy",
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// Name is the human-readable label shown in the happyDomain UI.
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Name: "Dummy (example)",
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// Version is an optional version string for this checker. It is
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// surfaced in the UI/API and is useful to track which iteration of
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// your checker produced a given observation. The value is injected
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// at build time via -ldflags "-X .../checker.Version=...".
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Version: Version,
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// Availability controls where this checker appears in the UI.
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// A checker can apply at the domain level, zone level, or service
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// level. You can also restrict it to specific service types.
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//
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// Here we apply it at the domain level, which means users will see
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// this checker in the "Domain checks" section and it does not require
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// a specific service to be present.
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Availability: happydns.CheckerAvailability{
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ApplyToDomain: true,
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},
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// ObservationKeys lists the keys this checker produces. This ties
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// the definition to the provider(s) that generate the data.
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ObservationKeys: []happydns.ObservationKey{ObservationKeyDummy},
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// Options documents what configuration the checker accepts. Options
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// are grouped by audience (admin, user, domain, service, run):
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//
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// - AdminOpts: set once by the happyDomain administrator
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// - UserOpts: editable by end-users in the checker settings UI
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// - DomainOpts: auto-filled per domain (domain_name, etc.)
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// - ServiceOpts: auto-filled per service (the service payload)
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// - RunOpts: set at collect-time only (e.g., overrides)
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//
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// Each option has an Id (used as the key in CheckerOptions), a Type
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// for the UI widget, a Label, and optionally a Default value.
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Options: happydns.CheckerOptionsDocumentation{
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UserOpts: []happydns.CheckerOptionDocumentation{
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{
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Id: "message",
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Type: "string",
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Label: "Custom message",
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Description: "A message that will be included in the observation data.",
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Default: "Hello from the dummy checker!",
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},
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{
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Id: "warningThreshold",
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Type: "number",
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Label: "Warning threshold (score)",
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Description: "If the score drops below this value, the check status becomes Warning.",
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Default: float64(50),
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},
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{
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Id: "criticalThreshold",
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Type: "number",
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Label: "Critical threshold (score)",
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Description: "If the score drops below this value, the check status becomes Critical.",
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Default: float64(20),
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},
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},
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DomainOpts: []happydns.CheckerOptionDocumentation{
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{
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Id: "domain_name",
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Label: "Domain name",
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AutoFill: happydns.AutoFillDomainName,
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},
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},
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},
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// Rules lists the evaluation rules provided by this checker. Each
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// rule will appear in the UI, and users can enable/disable them
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// individually.
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Rules: []happydns.CheckRule{
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Rule(),
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},
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// Interval specifies how often the check should run.
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Interval: &happydns.CheckIntervalSpec{
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Min: 1 * time.Minute,
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Max: 1 * time.Hour,
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Default: 5 * time.Minute,
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},
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// HasMetrics indicates that this checker can produce time-series
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// metrics (because our provider implements CheckerMetricsReporter).
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HasMetrics: true,
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}
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}
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