server-config/containers/common/overseer/containers-dashboard.nix

{ pkgs, lib }:
let
  inherit (import ./helpers.nix { inherit pkgs lib; }) prom mkDashboard;
in
mkDashboard {
  name = "containers.json";
  title = "Containers";
  uid = "containers";
  from = "now-3h";
  panels = [
    {
      title = "Container States";
      type = "piechart";
      gridPos = {
        h = 8;
        w = 8;
      };
      datasource = prom;
      options = {
        pieType = "donut";
        legend = {
          displayMode = "table";
          placement = "right";
          values = [
            "value"
            "percent"
          ];
        };
        tooltip.mode = "single";
      };
      fieldConfig.overrides = [
        {
          matcher = {
            id = "byName";
            options = "active";
          };
          properties = [
            {
              id = "color";
              value = {
                mode = "fixed";
                fixedColor = "green";
              };
            }
          ];
        }
        {
          matcher = {
            id = "byName";
            options = "failed";
          };
          properties = [
            {
              id = "color";
              value = {
                mode = "fixed";
                fixedColor = "red";
              };
            }
          ];
        }
        {
          matcher = {
            id = "byName";
            options = "inactive";
          };
          properties = [
            {
              id = "color";
              value = {
                mode = "fixed";
                fixedColor = "blue";
              };
            }
          ];
        }
        {
          matcher = {
            id = "byName";
            options = "activating";
          };
          properties = [
            {
              id = "color";
              value = {
                mode = "fixed";
                fixedColor = "yellow";
              };
            }
          ];
        }
        {
          matcher = {
            id = "byName";
            options = "unknown";
          };
          properties = [
            {
              id = "color";
              value = {
                mode = "fixed";
                fixedColor = "gray";
              };
            }
          ];
        }
      ];
      targets = [
        {
          datasource = prom;
          expr = ''count by (state) ((label_replace(node_systemd_unit_state{name=~"container@.*"} == 1, "container", "$1", "name", "container@(.+)\\.service")) or on(container) label_replace(container_defined, "state", "unknown", "container", ".+"))'';
          instant = true;
          legendFormat = "{{state}}";
        }
      ];
    }
    {
      title = "Container States";
      type = "table";
      gridPos = {
        h = 16;
        w = 24;
      };
      datasource = prom;
      options.footer.show = false;
      fieldConfig = {
        defaults = { };
        overrides = [
          {
            matcher = {
              id = "byName";
              options = "State";
            };
            properties = [
              {
                id = "custom.displayMode";
                value = "color-text";
              }
              {
                id = "mappings";
                value = [
                  {
                    type = "value";
                    options.active = {
                      text = "active";
                      color = "green";
                      index = 0;
                    };
                  }
                  {
                    type = "value";
                    options.failed = {
                      text = "failed";
                      color = "red";
                      index = 1;
                    };
                  }
                  {
                    type = "value";
                    options.activating = {
                      text = "activating";
                      color = "yellow";
                      index = 2;
                    };
                  }
                  {
                    type = "value";
                    options.inactive = {
                      text = "inactive";
                      color = "blue";
                      index = 3;
                    };
                  }
                  {
                    type = "value";
                    options.unknown = {
                      text = "unknown";
                      color = "gray";
                      index = 4;
                    };
                  }
                ];
              }
            ];
          }
        ];
      };
      targets = [
        {
          datasource = prom;
          expr = ''
            (label_replace(node_systemd_unit_state{name=~"container@.*"} == 1, "container", "$1", "name", "container@(.+)\\.service"))
            or on(container)
            label_replace(container_defined, "state", "unknown", "container", ".+")
          '';
          instant = true;
          format = "table";
          legendFormat = "__auto";
        }
      ];
      transformations = [
        {
          id = "organize";
          options = {
            excludeByName = {
              Time = true;
              Value = true;
              "__name__" = true;
              instance = true;
              job = true;
              name = true;
            };
            renameByName = {
              container = "Container";
              state = "State";
            };
          };
        }
      ];
    }
    {
      title = "Container State (1 = running, 0 = stopped/failed)";
      type = "timeseries";
      gridPos = {
        h = 8;
        w = 24;
      };
      datasource = prom;
      fieldConfig.defaults = {
        custom.lineWidth = 2;
        color.mode = "palette-classic";
        min = 0;
        max = 1;
      };
      options = {
        tooltip.mode = "multi";
        legend = {
          displayMode = "table";
          placement = "bottom";
        };
      };
      targets = [
        {
          datasource = prom;
          expr = ''label_replace(node_systemd_unit_state{name=~"container@.*",state="active"}, "container", "$1", "name", "container@(.+).service")'';
          legendFormat = "{{container}}";
        }
      ];
    }
  ];
}