add support for chrony_exporter (replaces textfile collector)

1 files changed, 1210 insertions, 0 deletions

diff --git a/roles/monitoring/grafana/files/dashboard-chrony.json b/roles/monitoring/grafana/files/dashboard-chrony.json
new file mode 100644
index 00000000..d6ae5c4f
--- /dev/null
+++ b/roles/monitoring/grafana/files/dashboard-chrony.json
@@ -0,0 +1,1210 @@
+{
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__elements": {},
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "10.0.2"
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    },
+    {
+      "type": "panel",
+      "id": "stat",
+      "name": "Stat",
+      "version": ""
+    },
+    {
+      "type": "panel",
+      "id": "table",
+      "name": "Table",
+      "version": ""
+    },
+    {
+      "type": "panel",
+      "id": "timeseries",
+      "name": "Time series",
+      "version": ""
+    }
+  ],
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "datasource",
+          "uid": "grafana"
+        },
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "target": {
+          "limit": 100,
+          "matchAny": false,
+          "tags": [],
+          "type": "dashboard"
+        },
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 1,
+  "id": null,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "collapsed": false,
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PBFA97CFB590B2093"
+      },
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "id": 11,
+      "panels": [],
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "PBFA97CFB590B2093"
+          },
+          "refId": "A"
+        }
+      ],
+      "title": "Tracking",
+      "type": "row"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "description": "",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "text",
+                "value": null
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 3,
+        "w": 6,
+        "x": 0,
+        "y": 1
+      },
+      "id": 4,
+      "options": {
+        "colorMode": "none",
+        "graphMode": "none",
+        "justifyMode": "center",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "last"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "text": {},
+        "textMode": "name"
+      },
+      "pluginVersion": "10.0.2",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": false,
+          "expr": "chrony_tracking_info{instance=\"$instance\"}",
+          "format": "time_series",
+          "instant": true,
+          "interval": "",
+          "legendFormat": "{{ tracking_address }}",
+          "refId": "A"
+        }
+      ],
+      "title": "Reference Source Address",
+      "type": "stat"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "description": "",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "#EAB839",
+                "value": 4
+              },
+              {
+                "color": "red",
+                "value": 10
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
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+        "w": 6,
+        "x": 6,
+        "y": 1
+      },
+      "id": 3,
+      "options": {
+        "colorMode": "value",
+        "graphMode": "none",
+        "justifyMode": "center",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "text": {},
+        "textMode": "value"
+      },
+      "pluginVersion": "10.0.2",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": false,
+          "expr": "chrony_tracking_stratum{instance=\"$instance\"}",
+          "instant": true,
+          "interval": "",
+          "legendFormat": "",
+          "refId": "A"
+        }
+      ],
+      "title": "Stratum",
+      "type": "stat"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "smooth",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
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+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "s"
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+        "overrides": []
+      },
+      "gridPos": {
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+        "w": 12,
+        "x": 12,
+        "y": 1
+      },
+      "id": 8,
+      "options": {
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+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": true,
+          "expr": "chrony_tracking_last_offset_seconds{instance=\"$instance\"}",
+          "interval": "",
+          "legendFormat": "Last Offset",
+          "range": true,
+          "refId": "A"
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": true,
+          "expr": "chrony_tracking_rms_offset_seconds{instance=\"$instance\"}",
+          "hide": false,
+          "interval": "",
+          "legendFormat": "RMS Offset (long term average)",
+          "range": true,
+          "refId": "B"
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": true,
+          "expr": "chrony_tracking_system_time_seconds{instance=\"$instance\"}",
+          "hide": false,
+          "interval": "",
+          "legendFormat": "System Time",
+          "range": true,
+          "refId": "C"
+        }
+      ],
+      "title": "Offset",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "description": "",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "text",
+                "value": null
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 3,
+        "w": 6,
+        "x": 0,
+        "y": 4
+      },
+      "id": 2,
+      "options": {
+        "colorMode": "none",
+        "graphMode": "none",
+        "justifyMode": "center",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "text": {},
+        "textMode": "name"
+      },
+      "pluginVersion": "10.0.2",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": true,
+          "expr": "chrony_tracking_info{instance=\"$instance\"}",
+          "instant": true,
+          "interval": "",
+          "legendFormat": "{{ tracking_refid }}",
+          "refId": "A"
+        }
+      ],
+      "title": "Reference Source ID",
+      "type": "stat"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "description": "Absolute bound on the computer’s clock accuracy (assuming the stratum-1 computer is correct)",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "smooth",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              }
+            ]
+          },
+          "unit": "s"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 7
+      },
+      "id": 6,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": false,
+          "expr": "instance:chrony_clock_error_seconds:abs{instance=\"$instance\"}",
+          "format": "time_series",
+          "instant": false,
+          "interval": "",
+          "legendFormat": "Clock Error",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Maximum Clock Error",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "smooth",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "s"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 7,
+        "w": 12,
+        "x": 12,
+        "y": 8
+      },
+      "id": 9,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": true,
+          "expr": "chrony_tracking_root_delay_seconds{instance=\"$instance\"}",
+          "interval": "",
+          "legendFormat": "Root delay",
+          "range": true,
+          "refId": "A"
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": true,
+          "expr": "chrony_tracking_root_dispersion_seconds{instance=\"$instance\"}",
+          "hide": false,
+          "interval": "",
+          "legendFormat": "Root dispersion",
+          "range": true,
+          "refId": "B"
+        }
+      ],
+      "title": "Source delay",
+      "type": "timeseries"
+    },
+    {
+      "collapsed": false,
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PBFA97CFB590B2093"
+      },
+      "gridPos": {
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+        "w": 24,
+        "x": 0,
+        "y": 15
+      },
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+      "panels": [],
+      "targets": [
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+            "type": "prometheus",
+            "uid": "PBFA97CFB590B2093"
+          },
+          "refId": "A"
+        }
+      ],
+      "title": "Sources",
+      "type": "row"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "description": "",
+      "fieldConfig": {
+        "defaults": {
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+            "mode": "thresholds"
+          },
+          "custom": {
+            "align": "auto",
+            "cellOptions": {
+              "mode": "basic",
+              "type": "color-background"
+            },
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+            "inspect": false
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+          "unit": "none"
+        },
+        "overrides": [
+          {
+            "matcher": {
+              "id": "byName",
+              "options": "State"
+            },
+            "properties": [
+              {
+                "id": "mappings",
+                "value": [
+                  {
+                    "options": {
+                      "candidate": {
+                        "color": "light-green",
+                        "index": 4,
+                        "text": "combined"
+                      },
+                      "falseticker": {
+                        "color": "orange",
+                        "index": 2,
+                        "text": "falseticker"
+                      },
+                      "jittery": {
+                        "color": "yellow",
+                        "index": 3,
+                        "text": "jittery"
+                      },
+                      "outlier": {
+                        "color": "transparent",
+                        "index": 5,
+                        "text": "not combined"
+                      },
+                      "sync": {
+                        "color": "green",
+                        "index": 0,
+                        "text": "syncronized"
+                      },
+                      "unreach": {
+                        "color": "red",
+                        "index": 1,
+                        "text": "unreachable"
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+                    },
+                    "type": "value"
+                  }
+                ]
+              }
+            ]
+          },
+          {
+            "matcher": {
+              "id": "byName",
+              "options": "Polling Interval"
+            },
+            "properties": [
+              {
+                "id": "unit",
+                "value": "s"
+              }
+            ]
+          }
+        ]
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 24,
+        "x": 0,
+        "y": 16
+      },
+      "id": 19,
+      "options": {
+        "cellHeight": "sm",
+        "footer": {
+          "countRows": false,
+          "fields": "",
+          "reducer": [
+            "sum"
+          ],
+          "show": false
+        },
+        "frameIndex": 0,
+        "showHeader": true,
+        "sortBy": []
+      },
+      "pluginVersion": "10.0.2",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "builder",
+          "exemplar": false,
+          "expr": "chrony_sources_state_info{instance=\"$instance\"}",
+          "format": "table",
+          "instant": true,
+          "interval": "",
+          "legendFormat": "__auto",
+          "range": false,
+          "refId": "A"
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "builder",
+          "exemplar": false,
+          "expr": "chrony_sources_stratum{instance=\"$instance\"}",
+          "format": "table",
+          "hide": false,
+          "instant": true,
+          "legendFormat": "__auto",
+          "range": false,
+          "refId": "B"
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "builder",
+          "exemplar": false,
+          "expr": "chrony_sources_polling_interval_seconds{instance=\"$instance\"}",
+          "format": "table",
+          "hide": false,
+          "instant": true,
+          "interval": "",
+          "legendFormat": "__auto",
+          "range": false,
+          "refId": "C"
+        }
+      ],
+      "title": "Current Status",
+      "transformations": [
+        {
+          "id": "joinByField",
+          "options": {
+            "byField": "source_address",
+            "mode": "outer"
+          }
+        },
+        {
+          "id": "organize",
+          "options": {
+            "excludeByName": {
+              "Time": true,
+              "Time 2": true,
+              "Value #A": true,
+              "Value #B": false,
+              "__name__": true,
+              "__name__ 2": true,
+              "instance": true,
+              "instance 2": true,
+              "job": true,
+              "job 2": true,
+              "source_mode": true,
+              "source_name 2": true,
+              "source_name 3": true
+            },
+            "indexByName": {
+              "Time 1": 1,
+              "Time 2": 9,
+              "Time 3": 15,
+              "Value #A": 8,
+              "Value #B": 14,
+              "Value #C": 20,
+              "__name__ 1": 2,
+              "__name__ 2": 10,
+              "__name__ 3": 16,
+              "instance 1": 3,
+              "instance 2": 11,
+              "instance 3": 17,
+              "job 1": 4,
+              "job 2": 12,
+              "job 3": 18,
+              "source_address": 0,
+              "source_mode": 5,
+              "source_name 1": 6,
+              "source_name 2": 13,
+              "source_name 3": 19,
+              "source_state": 7
+            },
+            "renameByName": {
+              "Value #B": "Stratum",
+              "Value #C": "Polling Interval",
+              "source_address": "Address",
+              "source_name": "Name",
+              "source_name 1": "Name",
+              "source_state": "State"
+            }
+          }
+        }
+      ],
+      "type": "table"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
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+              "tooltip": false,
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+            "thresholdsStyle": {
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+          },
+          "mappings": [],
+          "thresholds": {
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+                "value": null
+              },
+              {
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+              }
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+      },
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+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "builder",
+          "exemplar": true,
+          "expr": "chrony_sources_last_sample_age_seconds{instance=\"$instance\"} < 4294967295",
+          "interval": "",
+          "legendFormat": "{{ source_address }} ({{ source_name }})",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Last Sample: Age",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
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+          },
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+            "gradientMode": "none",
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+            "thresholdsStyle": {
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+            }
+          },
+          "mappings": [],
+          "thresholds": {
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+      "options": {
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+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": true,
+          "expr": "chrony_sources_last_sample_offset_seconds{instance=\"$instance\"}",
+          "interval": "",
+          "legendFormat": "{{ source_address }} ({{ source_name }})",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Last Sample: Offset",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
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+            "mode": "palette-classic"
+          },
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+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
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+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "smooth",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
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+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
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+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "s"
+        },
+        "overrides": []
+      },
+      "gridPos": {
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+        "w": 8,
+        "x": 16,
+        "y": 24
+      },
+      "id": 20,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "code",
+          "exemplar": true,
+          "expr": "chrony_sources_last_sample_error_margin_seconds{instance=\"$instance\"}",
+          "interval": "",
+          "legendFormat": "{{ source_address }} ({{ source_name }})",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Last Sample: Error Margin",
+      "type": "timeseries"
+    }
+  ],
+  "refresh": "30s",
+  "schemaVersion": 38,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "list": [
+      {
+        "current": {},
+        "datasource": {
+          "type": "prometheus",
+          "uid": "${DS_PROMETHEUS}"
+        },
+        "definition": "label_values(chrony_up,instance)",
+        "hide": 0,
+        "includeAll": false,
+        "multi": false,
+        "name": "instance",
+        "options": [],
+        "query": {
+          "query": "label_values(chrony_up,instance)",
+          "refId": "PrometheusVariableQueryEditor-VariableQuery"
+        },
+        "refresh": 1,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "type": "query"
+      }
+    ]
+  },
+  "time": {
+    "from": "now-12h",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "title": "chrony",
+  "uid": "c252be85-471b-41c9-b1cb-f0e1b8206593",
+  "version": 3,
+  "weekStart": ""
+}
\ No newline at end of file