Connect to RDS database on startup

Cargo.lock

@@ -63,11 +63,40 @@ name = "bitflags"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "block-buffer"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bumpalo"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "byte-tools"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "byteorder"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bytes"
 version = "0.5.4"
@@ -91,6 +120,14 @@ name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.6.4"
@@ -105,6 +142,23 @@ name = "core-foundation-sys"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "crypto-mac"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "digest"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "dotenv"
 version = "0.14.1"
@@ -160,6 +214,16 @@ dependencies = [
  "synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "fake-simd"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "fallible-iterator"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "fnv"
 version = "1.0.6"
@@ -199,6 +263,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures-channel 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-executor 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-io 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -219,11 +284,32 @@ name = "futures-core"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "futures-executor"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "futures-macro"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.1"
@@ -242,13 +328,32 @@ dependencies = [
  "futures-channel 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-io 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-macro 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-sink 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "getopts"
 version = "0.2.21"
@@ -311,6 +416,15 @@ name = "hex"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "hmac"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crypto-mac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "http"
 version = "0.2.0"
@@ -437,6 +551,14 @@ name = "libc"
 version = "0.2.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "lock_api"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "log"
 version = "0.4.8"
@@ -450,6 +572,11 @@ name = "matches"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "md5"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "memchr"
 version = "2.3.0"
@@ -487,6 +614,16 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "mio-uds"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "miow"
 version = "0.2.1"
@@ -539,6 +676,11 @@ name = "once_cell"
 version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "opaque-debug"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "openssl"
 version = "0.10.26"
@@ -569,6 +711,28 @@ dependencies = [
  "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lock_api 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "parser"
 version = "0.1.0"
@@ -582,6 +746,22 @@ name = "percent-encoding"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "phf"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "phf_shared 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "siphasher 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "pin-project"
 version = "0.4.7"
@@ -615,11 +795,67 @@ name = "pkg-config"
 version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "postgres-native-tls"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-postgres 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "postgres-protocol"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hmac 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "md5 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stringprep 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "postgres-types"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "postgres-protocol 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "proc-macro-nested"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.8"
@@ -781,6 +1017,11 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "scopeguard"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "security-framework"
 version = "0.3.4"
@@ -839,6 +1080,22 @@ dependencies = [
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "siphasher"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "slab"
 version = "0.4.2"
@@ -854,6 +1111,20 @@ name = "sourcefile"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "stringprep"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-normalization 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "subtle"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "syn"
 version = "1.0.14"
@@ -923,8 +1194,10 @@ dependencies = [
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project-lite 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-macros 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -939,6 +1212,26 @@ dependencies = [
  "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "tokio-postgres"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-lite 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "postgres-protocol 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "postgres-types 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tokio-tls"
 version = "0.3.0"
@@ -987,15 +1280,18 @@ dependencies = [
  "hyper 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "parser 0.1.0",
+ "postgres-native-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust_team_data 1.0.0 (git+https://github.com/rust-lang/team)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-postgres 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1006,6 +1302,11 @@ name = "try-lock"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "typenum"
+version = "1.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "unicase"
 version = "2.6.0"
@@ -1253,19 +1554,28 @@ dependencies = [
 "checksum backtrace-sys 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)" = "5d6575f128516de27e3ce99689419835fce9643a9b215a14d2b5b685be018491"
 "checksum base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
 "checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+"checksum block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
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+"checksum tokio-postgres 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c03cb0c66092269a9b280e9e4956cb23ce00b8a6b1b393f7700f7732ac4bf133"
 "checksum tokio-tls 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7bde02a3a5291395f59b06ec6945a3077602fac2b07eeeaf0dee2122f3619828"
 "checksum tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "571da51182ec208780505a32528fc5512a8fe1443ab960b3f2f3ef093cd16930"
 "checksum toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ffc92d160b1eef40665be3a05630d003936a3bc7da7421277846c2613e92c71a"
 "checksum tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 "checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
+"checksum typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
 "checksum unicase 2.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "5479532badd04e128284890390c1e876ef7a993d0570b3597ae43dfa1d59afa4"

Cargo.toml

@@ -27,6 +27,9 @@ futures = { version = "0.3", default-features = false, features = ["std"] }
 uuid = { version = "0.8", features = ["v4"] }
 url = "2.1.0"
 once_cell = "1"
+tokio-postgres = "0.5"
+postgres-native-tls = "0.3"
+native-tls = "0.2"
 
 [dependencies.serde]
 version = "1"

src/handlers.rs

@@ -2,6 +2,7 @@ use crate::config::{self, ConfigurationError};
 use crate::github::{Event, GithubClient};
 use futures::future::BoxFuture;
 use std::fmt;
+use tokio_postgres::Client as DbClient;
 
 #[derive(Debug)]
 pub enum HandlerError {
@@ -66,6 +67,7 @@ handlers! {
 
 pub struct Context {
     pub github: GithubClient,
+    pub db: DbClient,
     pub username: String,
 }
 

src/main.rs

@@ -1,7 +1,10 @@
 #![allow(clippy::new_without_default)]
 
+use anyhow::Context as _;
 use futures::{future::FutureExt, stream::StreamExt};
 use hyper::{header, Body, Request, Response, Server, StatusCode};
+use native_tls::{Certificate, TlsConnector};
+use postgres_native_tls::MakeTlsConnector;
 use reqwest::Client;
 use std::{env, net::SocketAddr, sync::Arc};
 use triagebot::{github, handlers::Context, payload, EventName};
@@ -107,16 +110,75 @@ async fn serve_req(req: Request<Body>, ctx: Arc<Context>) -> Result<Response<Bod
     Ok(Response::new(Body::from("processed request")))
 }
 
+const CERT_URL: &str = "https://s3.amazonaws.com/rds-downloads/rds-ca-2019-root.pem";
+
+async fn connect_to_db(client: Client) -> anyhow::Result<tokio_postgres::Client> {
+    let db_url = env::var("DATABASE_URL").expect("needs DATABASE_URL");
+    if db_url.contains("rds.amazonaws.com") {
+        let resp = client
+            .get(CERT_URL)
+            .send()
+            .await
+            .context("failed to get RDS cert")?;
+        let cert = resp.bytes().await.context("faield to get RDS cert body")?;
+        let cert = Certificate::from_pem(&cert).context("made certificate")?;
+        let connector = TlsConnector::builder()
+            .add_root_certificate(cert)
+            .build()
+            .context("built TlsConnector")?;
+        let connector = MakeTlsConnector::new(connector);
+
+        let (db_client, connection) = match tokio_postgres::connect(&db_url, connector).await {
+            Ok(v) => v,
+            Err(e) => {
+                anyhow::bail!("failed to connect to DB: {}", e);
+            }
+        };
+        tokio::spawn(async move {
+            if let Err(e) = connection.await {
+                eprintln!("database connection error: {}", e);
+            }
+        });
+
+        Ok(db_client)
+    } else {
+        eprintln!("Warning: Non-TLS connection to non-RDS DB");
+        let (db_client, connection) =
+            match tokio_postgres::connect(&db_url, tokio_postgres::NoTls).await {
+                Ok(v) => v,
+                Err(e) => {
+                    anyhow::bail!("failed to connect to DB: {}", e);
+                }
+            };
+        tokio::spawn(async move {
+            if let Err(e) = connection.await {
+                eprintln!("database connection error: {}", e);
+            }
+        });
+
+        Ok(db_client)
+    }
+}
+
 async fn run_server(addr: SocketAddr) {
     log::info!("Listening on http://{}", addr);
 
     let client = Client::new();
+    let db_client = match connect_to_db(client.clone()).await {
+        Ok(v) => v,
+        Err(e) => {
+            eprintln!("failed to connect to db: {}", e);
+            return;
+        }
+    };
+
     let gh = github::GithubClient::new(
         client.clone(),
         env::var("GITHUB_API_TOKEN").expect("Missing GITHUB_API_TOKEN"),
     );
     let ctx = Arc::new(Context {
         username: github::User::current(&gh).await.unwrap().login,
+        db: db_client,
         github: gh,
     });