open-consul/agent/uiserver/ui_template_data.go

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package uiserver
import (
"encoding/json"
"github.com/hashicorp/consul/agent/config"
)
// uiTemplateDataFromConfig returns the base set of variables that should be
// injected into the UI's Env based on the given runtime UI config.
func uiTemplateDataFromConfig(cfg *config.RuntimeConfig) (map[string]interface{}, error) {
uiCfg := map[string]interface{}{
"metrics_provider": cfg.UIConfig.MetricsProvider,
// We explicitly MUST NOT pass the metrics_proxy object since it might
// contain add_headers with secrets that the UI shouldn't know e.g. API
// tokens for the backend. The provider should either require the proxy to
// be configured and then use that or hit the backend directly from the
// browser.
"metrics_proxy_enabled": cfg.UIConfig.MetricsProxy.BaseURL != "",
"dashboard_url_templates": cfg.UIConfig.DashboardURLTemplates,
}
// Only set this if there is some actual JSON or we'll cause a JSON
// marshalling error later during serving which ends up being silent.
if cfg.UIConfig.MetricsProviderOptionsJSON != "" {
uiCfg["metrics_provider_options"] = json.RawMessage(cfg.UIConfig.MetricsProviderOptionsJSON)
}
d := map[string]interface{}{
"ContentPath": cfg.UIConfig.ContentPath,
"ACLsEnabled": cfg.ACLsEnabled,
"UIConfig": uiCfg,
"LocalDatacenter": cfg.Datacenter,
}
// Also inject additional provider scripts if needed, otherwise strip the
// comment.
if len(cfg.UIConfig.MetricsProviderFiles) > 0 {
d["ExtraScripts"] = []string{
cfg.UIConfig.ContentPath + compiledProviderJSPath,
}
}
return d, nil
}