Make zero success rate more noticeable in chart#1681
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Changes look good! Thanks for adding this 📦
olix0r
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May 24, 2022
This release fixes a problem with HTTP/1.1 `CONNECT` requests. When a server responds to a `CONNECT` request with `content-length` or `transfer-encoding` headers (in violation of RFC 7231), the proxy must actively strip these headers to avoid making the Hyper server fail the response. This release also fixes an issue with the way proxies discover control plane components via DNS. When `SRV` records cannot be resolved, the proxy would no not necessarily fall back to resolving `A` records. This has been fixed. Finally, the inbound proxy can now discover policies dynamically. Ports that are configured in the `LINKERD2_PROXY_INBOUND_PORTS` are discovered as the proxy starts up; but now the proxy will discover policies for ports that are not in this list. The pod's default policy is used initially, but once a policy is received from the control plane it is used. --- * build(deps): bump syn from 1.0.93 to 1.0.94 (linkerd/linkerd2-proxy#1664) * build(deps): bump tj-actions/changed-files from 19 to 20 (linkerd/linkerd2-proxy#1665) * build(deps): bump rustls from 0.20.4 to 0.20.5 (linkerd/linkerd2-proxy#1666) * build(deps): bump ryu from 1.0.9 to 1.0.10 (linkerd/linkerd2-proxy#1667) * build(deps): bump tokio-util from 0.7.1 to 0.7.2 (linkerd/linkerd2-proxy#1668) * build(deps): bump itoa from 1.0.1 to 1.0.2 (linkerd/linkerd2-proxy#1669) * build(deps): bump tonic from 0.7.1 to 0.7.2 (linkerd/linkerd2-proxy#1652) * dns: Fall back to A record when SRV resolution fails (linkerd/linkerd2-proxy#1670) * Consolidate error chain inspection with `cause_ref` (linkerd/linkerd2-proxy#1671) * ci: change how warnings are denied on CI (linkerd/linkerd2-proxy#1662) * build(deps): bump proc-macro2 from 1.0.38 to 1.0.39 (linkerd/linkerd2-proxy#1673) * build(deps): bump libc from 0.2.125 to 0.2.126 (linkerd/linkerd2-proxy#1674) * build(deps): bump syn from 1.0.94 to 1.0.95 (linkerd/linkerd2-proxy#1675) * ci: Use the cargo-action-fmt setup action (linkerd/linkerd2-proxy#1672) * opencensus: Include empty generated protobuf (linkerd/linkerd2-proxy#1676) * build(deps): bump rustls from 0.20.5 to 0.20.6 (linkerd/linkerd2-proxy#1679) * Revert "build(deps): bump socket2 from 0.4.4 to 0.4.5 (linkerd/linkerd2-proxy#1654)" (#1681) * build(deps): bump EmbarkStudios/cargo-deny-action from 1.2.17 to 1.3.0 (linkerd/linkerd2-proxy#1678) * build(deps): bump clang-sys from 1.3.1 to 1.3.2 (linkerd/linkerd2-proxy#1680) * cache: generalize `Cache` into a key-value cache (linkerd/linkerd2-proxy#1683) * build(deps): bump once_cell from 1.10.0 to 1.11.0 (linkerd/linkerd2-proxy#1687) * build(deps): bump EmbarkStudios/cargo-deny-action from 1.3.0 to 1.3.1 (linkerd/linkerd2-proxy#1686) * trace: add `/logs.json` endpoint to admin server (linkerd/linkerd2-proxy#1642) * Dynamically discover policies for undocumented ports (linkerd/linkerd2-proxy#1677) * Don't allow a policy to be used if `check_port_allowed` fails (linkerd/linkerd2-proxy#1689) * ci: Simplify release workflow (linkerd/linkerd2-proxy#1690) * build(deps): bump petgraph from 0.6.0 to 0.6.1 (linkerd/linkerd2-proxy#1696) * build(deps): bump actions/upload-artifact from 3.0.0 to 3.1.0 (linkerd/linkerd2-proxy#1692) * build(deps): bump tj-actions/changed-files from 20 to 20.1 (linkerd/linkerd2-proxy#1693) * build(deps): bump http-body from 0.4.4 to 0.4.5 (linkerd/linkerd2-proxy#1694) * build(deps): bump regex from 1.5.5 to 1.5.6 (linkerd/linkerd2-proxy#1695) * build(deps): bump regex-syntax from 0.6.25 to 0.6.26 (linkerd/linkerd2-proxy#1697) * http: Strip illegal headers from CONNECT responses (linkerd/linkerd2-proxy#1699) * dev: Replace `Makefile` with `justfile` (linkerd/linkerd2-proxy#1691) Signed-off-by: Oliver Gould <[email protected]>
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olix0r
added a commit
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May 24, 2022
This release fixes a problem with HTTP/1.1 `CONNECT` requests. When a server responds to a `CONNECT` request with `content-length` or `transfer-encoding` headers (in violation of RFC 7231), the proxy must actively strip these headers to avoid making the Hyper server fail the response. This release also fixes an issue with the way proxies discover control plane components via DNS. When `SRV` records cannot be resolved, the proxy would no not necessarily fall back to resolving `A` records. This has been fixed. Finally, the inbound proxy can now discover policies dynamically. Ports that are configured in the `LINKERD2_PROXY_INBOUND_PORTS` are discovered as the proxy starts up; but now the proxy will discover policies for ports that are not in this list. The pod's default policy is used initially, but once a policy is received from the control plane it is used. --- * build(deps): bump syn from 1.0.93 to 1.0.94 (linkerd/linkerd2-proxy#1664) * build(deps): bump tj-actions/changed-files from 19 to 20 (linkerd/linkerd2-proxy#1665) * build(deps): bump rustls from 0.20.4 to 0.20.5 (linkerd/linkerd2-proxy#1666) * build(deps): bump ryu from 1.0.9 to 1.0.10 (linkerd/linkerd2-proxy#1667) * build(deps): bump tokio-util from 0.7.1 to 0.7.2 (linkerd/linkerd2-proxy#1668) * build(deps): bump itoa from 1.0.1 to 1.0.2 (linkerd/linkerd2-proxy#1669) * build(deps): bump tonic from 0.7.1 to 0.7.2 (linkerd/linkerd2-proxy#1652) * dns: Fall back to A record when SRV resolution fails (linkerd/linkerd2-proxy#1670) * Consolidate error chain inspection with `cause_ref` (linkerd/linkerd2-proxy#1671) * ci: change how warnings are denied on CI (linkerd/linkerd2-proxy#1662) * build(deps): bump proc-macro2 from 1.0.38 to 1.0.39 (linkerd/linkerd2-proxy#1673) * build(deps): bump libc from 0.2.125 to 0.2.126 (linkerd/linkerd2-proxy#1674) * build(deps): bump syn from 1.0.94 to 1.0.95 (linkerd/linkerd2-proxy#1675) * ci: Use the cargo-action-fmt setup action (linkerd/linkerd2-proxy#1672) * opencensus: Include empty generated protobuf (linkerd/linkerd2-proxy#1676) * build(deps): bump rustls from 0.20.5 to 0.20.6 (linkerd/linkerd2-proxy#1679) * Revert "build(deps): bump socket2 from 0.4.4 to 0.4.5 (linkerd/linkerd2-proxy#1654)" (#1681) * build(deps): bump EmbarkStudios/cargo-deny-action from 1.2.17 to 1.3.0 (linkerd/linkerd2-proxy#1678) * build(deps): bump clang-sys from 1.3.1 to 1.3.2 (linkerd/linkerd2-proxy#1680) * cache: generalize `Cache` into a key-value cache (linkerd/linkerd2-proxy#1683) * build(deps): bump once_cell from 1.10.0 to 1.11.0 (linkerd/linkerd2-proxy#1687) * build(deps): bump EmbarkStudios/cargo-deny-action from 1.3.0 to 1.3.1 (linkerd/linkerd2-proxy#1686) * trace: add `/logs.json` endpoint to admin server (linkerd/linkerd2-proxy#1642) * Dynamically discover policies for undocumented ports (linkerd/linkerd2-proxy#1677) * Don't allow a policy to be used if `check_port_allowed` fails (linkerd/linkerd2-proxy#1689) * ci: Simplify release workflow (linkerd/linkerd2-proxy#1690) * build(deps): bump petgraph from 0.6.0 to 0.6.1 (linkerd/linkerd2-proxy#1696) * build(deps): bump actions/upload-artifact from 3.0.0 to 3.1.0 (linkerd/linkerd2-proxy#1692) * build(deps): bump tj-actions/changed-files from 20 to 20.1 (linkerd/linkerd2-proxy#1693) * build(deps): bump http-body from 0.4.4 to 0.4.5 (linkerd/linkerd2-proxy#1694) * build(deps): bump regex from 1.5.5 to 1.5.6 (linkerd/linkerd2-proxy#1695) * build(deps): bump regex-syntax from 0.6.25 to 0.6.26 (linkerd/linkerd2-proxy#1697) * http: Strip illegal headers from CONNECT responses (linkerd/linkerd2-proxy#1699) * dev: Replace `Makefile` with `justfile` (linkerd/linkerd2-proxy#1691) Signed-off-by: Oliver Gould <[email protected]>
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The success rate mini chart shows a colour based on SR, and also shows the SR via the proportion of the chart that's filled out. If the success rate is 0% (as in the VotePoop endpoint), the chart would be zero percent filled out, causing it to be entirely gray. Really, it should be entirely red, since zero SR is pretty bad.
Fix: fully fill the bar with red if there is a zero SR
Before:
After:
