Add option to hide value on dashboard

Signed-off-by: Knut Ahlers <knut@ahlers.me>

apiary.apib

@@ -74,6 +74,7 @@ This API controls the metrics on your dashboard
         + freshness: 3600 (optional, number) - Time in seconds when to switch to `Unkown` state of there is no update (Valid: `0 < x < 604800`)
         + ignore_mad: false (optional, boolean) - If set to true the status passed in the update will be used instead of the median absolute deviation
         + hide_mad: false (optional, boolean) - If set to true the median absolute deviation is hidden on the dashboard for this metric
+        + hide_value: false (optional, boolean) - If set to true the current value will not be shown on the dashboard (useful for checks not having values)
 
 + Response 200 (text/plain)
 

structs.go

@@ -63,6 +63,7 @@ type dashboardMetric struct {
 	Freshness      int64                  `json:"freshness,omitifempty"`
 	IgnoreMAD      bool                   `json:"ignore_mad"`
 	HideMAD        bool                   `json:"hide_mad"`
+	HideValue      bool                   `json:"hide_value"`
 	HistoricalData dashboardMetricHistory `json:"history,omitifempty"`
 	Meta           dashboardMetricMeta    `json:"meta,omitifempty"`
 }
@@ -217,6 +218,7 @@ func (dm *dashboardMetric) Update(m *dashboardMetric) {
 	dm.Value = m.Value
 	dm.IgnoreMAD = m.IgnoreMAD
 	dm.HideMAD = m.HideMAD
+	dm.HideValue = m.HideValue
 	if m.Expires != 0 {
 		dm.Expires = m.Expires
 	}

templates/dashboard.html

@@ -98,6 +98,7 @@
           <div class="col-md-9">
             <h4>{{ metric.Title }}</h4>
             <p>{{ metric.Description }}</p>
+            {% if !metric.HideValue %}
             <span>
               {% if metric.Status == "OK" %}
               <span class="label label-success">Current Value: {{ metric.Value }}</span>
@@ -112,6 +113,7 @@
               <abbr title="Median Absolute Deviation">MAD</abbr>: {{ metric.MadMultiplier }} above the Median ({{ metric.Median }})
               {% endif %}
             </span>
+            {% endif %}
             {% if !metric.HideMAD %}
             <div class="ct-chart {{metric.MetricID}} .ct-double-octave"></div>
             <script>