tap: add headers to tap events (#348)

PR linkerd/linkerd2-proxy-api#33 adds headers to the `RequestInit`,
`ResponseInit`, and `ResponseEnd` tap events. This branch updates the
proxy to populate these fields.

This updates the proxy-api dependency to the tag  `v0.1.10`, or
linkerd/linkerd2-proxy-api@34ab9c8

Signed-off-by: Eliza Weisman <[email protected]>

Author: hawkw

Cargo.lock

@@ -557,7 +557,7 @@ dependencies = [
  "linkerd2-metrics 0.1.0",
  "opencensus-proto 0.1.0",
  "tokio 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "tower-grpc 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
+ "tower-grpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -586,7 +586,7 @@ dependencies = [
  "linkerd2-identity 0.1.0",
  "linkerd2-metrics 0.1.0",
  "linkerd2-opencensus 0.1.0",
- "linkerd2-proxy-api 0.1.8 (git+https://github.com/linkerd/linkerd2-proxy-api?rev=ddbc3a4f7f8b0058801f896d27974d19ee98094c)",
+ "linkerd2-proxy-api 0.1.10 (git+https://github.com/linkerd/linkerd2-proxy-api?tag=v0.1.10)",
  "linkerd2-proxy-api-resolve 0.1.0",
  "linkerd2-proxy-core 0.1.0",
  "linkerd2-proxy-discover 0.1.0",
@@ -619,7 +619,7 @@ dependencies = [
  "tower 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-balance 0.1.0 (git+https://github.com/tower-rs/tower)",
  "tower-discover 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tower-grpc 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
+ "tower-grpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-load 0.1.0 (git+https://github.com/tower-rs/tower)",
  "tower-request-modifier 0.1.0 (git+https://github.com/tower-rs/tower-http)",
  "tower-service 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -637,8 +637,8 @@ dependencies = [
 
 [[package]]
 name = "linkerd2-proxy-api"
-version = "0.1.8"
-source = "git+https://github.com/linkerd/linkerd2-proxy-api?rev=ddbc3a4f7f8b0058801f896d27974d19ee98094c#ddbc3a4f7f8b0058801f896d27974d19ee98094c"
+version = "0.1.10"
+source = "git+https://github.com/linkerd/linkerd2-proxy-api?tag=v0.1.10#34ab9c848f2cadb6d3e9dc47cca5b1c36adcd59f"
 dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -648,8 +648,8 @@ dependencies = [
  "prost-types 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickcheck 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "tower-grpc 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
- "tower-grpc-build 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
+ "tower-grpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tower-grpc-build 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -659,12 +659,12 @@ dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "linkerd2-identity 0.1.0",
- "linkerd2-proxy-api 0.1.8 (git+https://github.com/linkerd/linkerd2-proxy-api?rev=ddbc3a4f7f8b0058801f896d27974d19ee98094c)",
+ "linkerd2-proxy-api 0.1.10 (git+https://github.com/linkerd/linkerd2-proxy-api?tag=v0.1.10)",
  "linkerd2-proxy-core 0.1.0",
  "prost 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-sync 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tower-grpc 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
+ "tower-grpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -968,8 +968,8 @@ dependencies = [
  "prost 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "prost-types 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "tower-grpc 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
- "tower-grpc-build 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
+ "tower-grpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tower-grpc-build 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1701,7 +1701,7 @@ dependencies = [
 [[package]]
 name = "tower-grpc"
 version = "0.1.0"
-source = "git+https://github.com/tower-rs/tower-grpc#e16ff614088624bc7fd3783ce9f055c40a7ecd50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1719,7 +1719,7 @@ dependencies = [
 [[package]]
 name = "tower-grpc-build"
 version = "0.1.0"
-source = "git+https://github.com/tower-rs/tower-grpc#e16ff614088624bc7fd3783ce9f055c40a7ecd50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "codegen 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heck 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2236,7 +2236,7 @@ dependencies = [
 "checksum lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bc5729f27f159ddd61f4df6228e827e86643d4d3e7c32183cb30a1c08f604a14"
 "checksum libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)" = "e962c7641008ac010fa60a7dfdc1712449f29c44ef2d4702394aea943ee75047"
 "checksum linked-hash-map 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7860ec297f7008ff7a1e3382d7f7e1dcd69efc94751a2284bafc3d013c2aa939"
-"checksum linkerd2-proxy-api 0.1.8 (git+https://github.com/linkerd/linkerd2-proxy-api?rev=ddbc3a4f7f8b0058801f896d27974d19ee98094c)" = "<none>"
+"checksum linkerd2-proxy-api 0.1.10 (git+https://github.com/linkerd/linkerd2-proxy-api?tag=v0.1.10)" = "<none>"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum lru-cache 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4d06ff7ff06f729ce5f4e227876cb88d10bc59cd4ae1e09fbb2bde15c850dc21"
 "checksum matchers 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f099785f7595cc4b4553a174ce30dd7589ef93391ff414dbb67f62392b9e0ce1"
@@ -2330,8 +2330,8 @@ dependencies = [
 "checksum tower-balance 0.1.0 (git+https://github.com/tower-rs/tower)" = "<none>"
 "checksum tower-buffer 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5c98a7784e6c8ba106bc98d44ed1dbb9c018a8e0322e5e894d365f9020967128"
 "checksum tower-discover 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "73a7632286f78164d65d18fd0e570307acde9362489aa5c8c53e6315cc2bde47"
-"checksum tower-grpc 0.1.0 (git+https://github.com/tower-rs/tower-grpc)" = "<none>"
-"checksum tower-grpc-build 0.1.0 (git+https://github.com/tower-rs/tower-grpc)" = "<none>"
+"checksum tower-grpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "839c195fd6e4e87442e7a631ea62632799695a3f897949192325a4e509ff4328"
+"checksum tower-grpc-build 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8862053a26bc7b901cf52bca8ae7d4c2e041222673e38f81a475aeb6c82481df"
 "checksum tower-layer 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0ddf07e10c07dcc8f41da6de036dc66def1a85b70eb8a385159e3908bb258328"
 "checksum tower-limit 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "09d3d0fe82c2373225025d50881794e0792e544df9752dec66288b644b40fbfe"
 "checksum tower-load 0.1.0 (git+https://github.com/tower-rs/tower)" = "<none>"

Cargo.toml

@@ -63,7 +63,7 @@ linkerd2-timeout = { path = "lib/linkerd2-timeout" }
 linkerd2-trace-context = { path = "lib/linkerd2-trace-context" }
 opencensus-proto       = { path = "lib/opencensus-proto" }
 
-linkerd2-proxy-api = { git = "https://github.com/linkerd/linkerd2-proxy-api", rev = "ddbc3a4f7f8b0058801f896d27974d19ee98094c" }
+linkerd2-proxy-api = { git = "https://github.com/linkerd/linkerd2-proxy-api", tag = "v0.1.10" }
 
 bytes = "0.4"
 futures = "0.1"
@@ -95,7 +95,7 @@ tower-balance          = { git = "https://github.com/tower-rs/tower" }
 tower-load             = { git = "https://github.com/tower-rs/tower" }
 tower-request-modifier = { git = "https://github.com/tower-rs/tower-http" }
 tower-spawn-ready      = { git = "https://github.com/tower-rs/tower" }
-tower-grpc             = { git = "https://github.com/tower-rs/tower-grpc", default-features = false, features = ["protobuf"] }
+tower-grpc             = { version = "0.1", default-features = false, features = ["protobuf"] }
 
 # FIXME update to a release when available (>0.11)
 trust-dns-resolver = { git = "https://github.com/bluejekyll/trust-dns", rev = "7c8a0739dad495bf5a4fddfe86b8bbe2aa52d060", default-features = false }
@@ -127,7 +127,7 @@ net2 = "0.2"
 quickcheck = { version = "0.8", default-features = false }
 linkerd2-metrics = { path = "./lib/linkerd2-metrics", features = ["test_util"] }
 linkerd2-task    = { path = "lib/linkerd2-task", features = ["test_util"] }
-linkerd2-proxy-api = { git = "https://github.com/linkerd/linkerd2-proxy-api", features = ["arbitrary"], rev = "ddbc3a4f7f8b0058801f896d27974d19ee98094c" }
+linkerd2-proxy-api = { git = "https://github.com/linkerd/linkerd2-proxy-api", features = ["arbitrary"], tag = "v0.1.10" }
 flate2 = { version = "1.0.1", default-features = false, features = ["rust_backend"] }
 # `tokio-io` is needed for TCP tests, because `tokio::io` doesn't re-export
 # the `read` function.

lib/linkerd2-opencensus/Cargo.toml

@@ -11,5 +11,5 @@ linkerd2-error = { path = "../linkerd2-error" }
 linkerd2-metrics = { path = "../linkerd2-metrics" }
 opencensus-proto = { path = "../opencensus-proto" }
 tokio = "0.1"
-tower-grpc = { git = "https://github.com/tower-rs/tower-grpc", default-features = false, features = ["protobuf"] }
+tower-grpc = { version = "0.1", default-features = false, features = ["protobuf"] }
 tracing = "0.1"

lib/linkerd2-proxy-api-resolve/Cargo.toml

@@ -8,10 +8,10 @@ publish = false
 [dependencies]
 futures = "0.1"
 linkerd2-identity = { path = "../linkerd2-identity" }
-linkerd2-proxy-api = { git = "https://github.com/linkerd/linkerd2-proxy-api", rev = "ddbc3a4f7f8b0058801f896d27974d19ee98094c" }
+linkerd2-proxy-api = { git = "https://github.com/linkerd/linkerd2-proxy-api", tag = "v0.1.10" }
 linkerd2-proxy-core = { path = "../linkerd2-proxy-core" }
 prost = "0.5.0"
-tower-grpc = { git = "https://github.com/tower-rs/tower-grpc", default-features = false, features = ["protobuf"] }
+tower-grpc = { version = "0.1", default-features = false, features = ["protobuf"] }
 indexmap = "1.0"
 tokio-sync = "0.1"
 tower = "0.1"

lib/opencensus-proto/Cargo.toml

@@ -11,8 +11,8 @@ futures = "0.1"
 prost = "0.5.0"
 prost-types = "0.5.0"
 tokio = "0.1.14"
-tower-grpc = { git = "https://github.com/tower-rs/tower-grpc", default-features = false, features = ["protobuf"] }
+tower-grpc = { version = "0.1", default-features = false, features = ["protobuf"] }
 
 [build-dependencies]
-tower-grpc-build = { git = "https://github.com/tower-rs/tower-grpc", default-features = false }
+tower-grpc-build = { version = "0.1", default-features = false }