Increase max RAM to prevent service oom (#269)

* Increase max RAM to prevent service oom
* Update golang version for http.NewRequestWithContext
* Update go version to 1.13
* Specify every package expliclity for test to exclude main.go

Author: stephen-soltesz

.travis.yml

@@ -19,7 +19,7 @@ dist: xenial
 
 language: go
 go:
- - 1.12
+ - 1.13
 
 # Without this, annotator.sh fails, related to gcloud.
 sudo: required
@@ -72,7 +72,10 @@ script:
  - source "${HOME}/google-cloud-sdk/path.bash.inc"
 
  # Run all tests and gather and submit coverage information.
- - GCLOUD_PROJECT=mlab-testing go test -v -coverpkg=./... -coverprofile=coverage.cov ./...
+ # - GCLOUD_PROJECT=mlab-testing go test -v -coverpkg=./... -coverprofile=coverage.cov ./...
+ # Exclude main.go from tests to prevent "duplicate main.init.0" errors.
+ - GCLOUD_PROJECT=mlab-testing go test -v -coverpkg=./... -coverprofile=coverage.cov ./asn/...  ./legacy/...  ./handler/...  ./metrics/...  ./geoloader/...  ./manager/...  ./geolite2v2/...  ./api/...  ./loader/...  ./directory/...  ./iputils/...
+
  - $HOME/gopath/bin/goveralls -coverprofile=coverage.cov -service=travis-ci
  # Run benchmarks
  - go test -bench . ./geolite2v2/...

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:alpine as build
+FROM golang:1.13-alpine as build
 
 RUN apk add --no-cache git pkgconfig geoip-dev geoip gcc libc-dev
 ADD . /go/src/github.com/m-lab/annotation-service

annotator.yaml

@@ -9,11 +9,11 @@ service: annotator
 
 # TODO(dev): adjust CPU and memory based on actual requirements.
 resources:
-  cpu: 20
+  cpu: 30
   # Instances support between [(cpu * 0.9) - 0.4, (cpu * 6.5) - 0.4]
   # Actual memory available is exposed via GAE_MEMORY_MB environment variable.
   # Service now loads ALL datasets, so it needs quite a lot of memory.
-  memory_gb: 129
+  memory_gb: 194
 
   # Annotation service uses disk for loading legacy Geolite datasets.  It now loads many
   # concurrently, so needs a lot of disk space.