Forward non-200 status in proxy. Start with event stats reader

netpod/src/netpod.rs

@@ -932,6 +932,7 @@ pub enum AggKind {
     DimXBinsN(u32),
     Plain,
     TimeWeightedScalar,
+    Stats1,
 }
 
 impl AggKind {
@@ -942,6 +943,7 @@ impl AggKind {
             Self::DimXBins1 => false,
             Self::DimXBinsN(_) => false,
             Self::Plain => false,
+            Self::Stats1 => false,
         }
     }
 
@@ -952,6 +954,7 @@ impl AggKind {
             Self::DimXBins1 => false,
             Self::DimXBinsN(_) => false,
             Self::Plain => false,
+            Self::Stats1 => false,
         }
     }
 }
@@ -977,6 +980,7 @@ pub fn x_bin_count(shape: &Shape, agg_kind: &AggKind) -> usize {
             Shape::Wave(n) => *n as usize,
             Shape::Image(j, k) => *j as usize * *k as usize,
         },
+        AggKind::Stats1 => 0,
     }
 }
 
@@ -998,6 +1002,9 @@ impl fmt::Display for AggKind {
             Self::TimeWeightedScalar => {
                 write!(fmt, "TimeWeightedScalar")
             }
+            Self::Stats1 => {
+                write!(fmt, "Stats1")
+            }
         }
     }
 }
@@ -1019,6 +1026,8 @@ impl FromStr for AggKind {
             Ok(AggKind::DimXBins1)
         } else if s == "TimeWeightedScalar" {
             Ok(AggKind::TimeWeightedScalar)
+        } else if s == "Stats1" {
+            Ok(AggKind::Stats1)
         } else if s.starts_with(nmark) {
             let nbins: u32 = s[nmark.len()..].parse()?;
             Ok(AggKind::DimXBinsN(nbins))
@@ -1316,6 +1325,7 @@ pub struct ProxyConfig {
     pub port: u16,
     pub search_hosts: Vec<String>,
     pub backends: Vec<ProxyBackend>,
+    pub backends2: Vec<ProxyBackend>,
     pub api_0_search_hosts: Option<Vec<String>>,
     pub api_0_search_backends: Option<Vec<String>>,
 }

netpod/src/query.rs

@@ -284,6 +284,9 @@ pub fn binning_scheme_append_to_url(agg_kind: &AggKind, url: &mut Url) {
             g.append_pair("binningScheme", "binnedX");
             g.append_pair("binnedXcount", &format!("{}", n));
         }
+        AggKind::Stats1 => {
+            g.append_pair("binningScheme", "stats1");
+        }
     }
 }
 
@@ -303,6 +306,8 @@ pub fn agg_kind_from_binning_scheme(pairs: &BTreeMap<String, String>) -> Result<
     } else if s == "binnedX" {
         let u = pairs.get("binnedXcount").map_or("1", |k| k).parse()?;
         AggKind::DimXBinsN(u)
+    } else if s == "stats1" {
+        AggKind::Stats1
     } else {
         return Err(Error::with_msg("can not extract binningScheme"));
     };