feat: allow you to set the axis type

examples/example_dashboards.yaml

@@ -10,10 +10,11 @@
           # overlaying: "y"
           side: left
           tickformat: "~%"
+          # type: "log" # The type of axis.
       plots: # List of pluts to show on the graph
         - source: http://heimdall:9001 # Prometheus source uri for this plot
           query: 'sum by (instance)(irate(node_cpu_seconds_total{FILTERS, job="nodestats"}[5m]))' # The PromQL query for this plot
-          meta: # metadata for this plot
+          config: # configuration for this plot
             name_format: "`${labels.instance}`" # javascript template literal to format the trace name
             fill: tozeroy
       span: # The span for this range query
@@ -40,13 +41,13 @@
           # You can use the FILTERS placeholder to indicate where user selected filters should be placed.
           query: |
             sum by (instance)(irate(node_cpu_seconds_total{FILTERS mode="system",job="nodestats"}[5m])) / sum by (instance)(irate(node_cpu_seconds_total{FILTERS, job="nodestats"}[5m]))
-          meta:
+          config:
             name_format: "`${labels.instance} system`"
             yaxis: "y"
         - source: http://heimdall:9001
           query: |
             sum by (instance)(irate(node_cpu_seconds_total{mode="user",job="nodestats"}[5m])) / sum by (instance)(irate(node_cpu_seconds_total{job="nodestats"}[5m]))
-          meta:
+          config:
             name_format: "`${labels.instance} user`"
             yaxis: "y2"
     - title: Node memory
@@ -57,7 +58,7 @@
       plots:
         - source: http://heimdall:9001
           query: 'node_memory_MemFree_bytes{job="nodestats"}'
-          meta:
+          config:
             name_format: "`${labels.instance}`"
 - title: Log Test Dashboard 1
   span:

src/dashboard.rs

@@ -27,7 +27,7 @@ use crate::query::{
 };
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
-pub struct PlotMeta {
+pub struct PlotConfig {
     name_format: Option<String>,
     fill: Option<FillTypes>,
     yaxis: Option<String>,
@@ -57,6 +57,22 @@ pub enum AxisSide {
     Left,
 }
 
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub enum AxisType {
+    #[serde(rename = "-")]
+    Default,
+    #[serde(rename = "linear")]
+    Linear,
+    #[serde(rename = "log")]
+    Log,
+    #[serde(rename = "date")]
+    Date,
+    #[serde(rename = "category")]
+    Category,
+    #[serde(rename = "multicategory")]
+    MultiCategory,
+}
+
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct AxisDefinition {
     anchor: Option<String>,
@@ -64,6 +80,8 @@ pub struct AxisDefinition {
     side: Option<AxisSide>,
     #[serde(rename = "tickformat")]
     tick_format: Option<String>,
+    #[serde(rename = "type")]
+    plot_type: Option<AxisType>,
 }
 
 #[derive(Deserialize, Debug)]
@@ -86,7 +104,7 @@ pub struct Dashboard {
 pub struct SubPlot {
     pub source: String,
     pub query: String,
-    pub meta: PlotMeta,
+    pub config: PlotConfig,
 }
 
 #[derive(Deserialize, Serialize, Clone)]
@@ -222,7 +240,7 @@ impl Graph {
                 &plot.source,
                 &plot.query,
                 self.query_type.clone(),
-                plot.meta.clone(),
+                plot.config.clone(),
             );
             if let Some(filters) = filters {
                 debug!(?filters, "query connection with filters");

src/query/mod.rs

@@ -16,7 +16,7 @@ use std::collections::HashMap;
 use chrono::prelude::*;
 use serde::{Deserialize, Serialize};
 
-use crate::dashboard::PlotMeta;
+use crate::dashboard::PlotConfig;
 
 mod loki;
 mod prom;
@@ -48,8 +48,8 @@ pub struct LogLine {
 
 #[derive(Serialize, Deserialize)]
 pub enum MetricsQueryResult {
-    Series(Vec<(HashMap<String, String>, PlotMeta, Vec<DataPoint>)>),
-    Scalar(Vec<(HashMap<String, String>, PlotMeta, DataPoint)>),
+    Series(Vec<(HashMap<String, String>, PlotConfig, Vec<DataPoint>)>),
+    Scalar(Vec<(HashMap<String, String>, PlotConfig, DataPoint)>),
 }
 
 #[derive(Serialize, Deserialize)]

src/query/prom.rs

@@ -20,7 +20,7 @@ use prometheus_http_query::{
 };
 use tracing::debug;
 
-use crate::dashboard::PlotMeta;
+use crate::dashboard::PlotConfig;
 
 use super::{DataPoint, MetricsQueryResult, QueryType, TimeSpan};
 
@@ -35,7 +35,7 @@ pub struct PromQueryConn<'conn> {
     span: Option<TimeSpan>,
     query_type: QueryType,
     filters: Option<&'conn HashMap<&'conn str, &'conn str>>,
-    pub meta: PlotMeta,
+    pub meta: PlotConfig,
 }
 
 impl<'conn> PromQueryConn<'conn> {
@@ -43,7 +43,7 @@ impl<'conn> PromQueryConn<'conn> {
         source: &'a str,
         query: &'a str,
         query_type: QueryType,
-        meta: PlotMeta,
+        meta: PlotConfig,
     ) -> Self {
         Self {
             source,
@@ -159,7 +159,7 @@ impl<'conn> PromQueryConn<'conn> {
     }
 }
 
-pub fn prom_to_samples(data: Data, meta: PlotMeta) -> MetricsQueryResult {
+pub fn prom_to_samples(data: Data, meta: PlotConfig) -> MetricsQueryResult {
     match data {
         Data::Matrix(mut range) => MetricsQueryResult::Series(
             range

static/lib.d.js

@@ -83,7 +83,7 @@
 */
 
 /**
- * @typedef PlotMeta
+ * @typedef PlotConfig
  * @type {object}
  * @property {string=} name_format
  * @property {string=} yaxis

static/lib.mjs

@@ -252,13 +252,13 @@ export class GraphPlot extends HTMLElement {
 
     /** 
      * Formats the name for the plot trace.
-     * @param {PlotMeta} meta
+     * @param {PlotConfig} config
      * @param {Map<string, string>} labels
      * @return string
      */
-    formatName(meta, labels) {
+    formatName(config, labels) {
         var name = "";
-        const formatter = meta.name_format
+        const formatter = config.name_format
         if (formatter) {
             name = eval(formatter);
         } else {
@@ -435,8 +435,8 @@ export class GraphPlot extends HTMLElement {
                 return null;
             }
         }
-        const meta = /** @type {PlotMeta} */(triple[1]);
-        var yaxis = meta.yaxis || "y";
+        const config = /** @type {PlotConfig} */(triple[1]);
+        var yaxis = config.yaxis || "y";
         // https://plotly.com/javascript/reference/layout/yaxis/
         const series = triple[2];
         const trace = /** @type GraphTrace */({
@@ -449,10 +449,10 @@ export class GraphPlot extends HTMLElement {
             yaxis: yaxis,
             //yhoverformat: yaxis.tickformat,
         });
-        if (meta.fill) {
-            trace.fill = meta.fill;
+        if (config.fill) {
+            trace.fill = config.fill;
         }
-        var name = this.formatName(meta, labels);
+        var name = this.formatName(config, labels);
         if (name) { trace.name = name; }
         for (const point of series) {
             trace.x.push(new Date(point.timestamp * 1000));
@@ -472,15 +472,15 @@ export class GraphPlot extends HTMLElement {
                 return null;
             }
         }
-        const meta = /** @type {PlotMeta} */(triple[1]);
+        const config = /** @type {PlotConfig} */(triple[1]);
         const series = triple[2];
         const trace = /** @type GraphTrace  */({
             type: "bar",
             x: [],
             y: [],
-            yhoverformat: meta["d3_tick_format"],
+            yhoverformat: config["d3_tick_format"],
         });
-        var name = this.formatName(meta, labels);
+        var name = this.formatName(config, labels);
         if (name) { trace.name = name; }
         trace.y.push(series.value);
         trace.x.push(trace.name);
@@ -490,11 +490,11 @@ export class GraphPlot extends HTMLElement {
     /**
      * @param {Array} stream
      *
-     * @returns {{dates: Array<string>, meta: Array<string>, lines: Array<string>}}
+     * @returns {{dates: Array<string>, config: Array<string>, lines: Array<string>}}
      */
     buildStreamPlot(stream) {
         const dateColumn = [];
-        const metaColumn = [];
+        const configColumn = [];
         const logColumn = [];
 
         loopStream: for (const pair of stream) {
@@ -513,11 +513,11 @@ export class GraphPlot extends HTMLElement {
                 // For streams the timestamps are in nanoseconds
                 let timestamp = new Date(line.timestamp / 1000000);
                 dateColumn.push(timestamp.toISOString());
-                metaColumn.push(labelsName);
+                configColumn.push(labelsName);
                 logColumn.push(ansiToHtml(line.line));
             }
         }
-        return { dates: dateColumn, meta: metaColumn, lines: logColumn };
+        return { dates: dateColumn, config: configColumn, lines: logColumn };
     }
 
     /**
@@ -580,7 +580,7 @@ export class GraphPlot extends HTMLElement {
             });
             const columns = this.buildStreamPlot(logLineList.Stream);
             trace.cells.values.push(columns.dates);
-            trace.cells.values.push(columns.meta);
+            trace.cells.values.push(columns.config);
             trace.cells.values.push(columns.lines);
             traces.push(trace);
         } else if (logLineList.StreamInstant) {