doc: Upgrade the crashpad-home App Engine app to the go121 flex runtime

Change-Id: I0a30b816e2550e7df6d7777c6d27e6104fc2f9fa
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/5206711
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>

doc/appengine/README

@@ -9,26 +9,37 @@ To work on this app, obtain the following packages:
    instructions were tested with Go 1.14 locally but a Go 1.11 runtime when
    deployed), but if problems are encountered, it would be wise to use the same
    version for both local development and AppEngine deployment.
- - The Google Cloud SDK from, https://cloud.google.com/sdk/docs. This is
+ - The Google Cloud SDK (gcloud CLI) from
-   necessary for both local development and for AppEngine deployment. Unpacking
+   https://cloud.google.com/sdk/docs/install-sdk. This is necessary for both
-   this package produces a google-cloud-sdk directory, whose bin child directory
+   local development and for AppEngine deployment. Unpacking this package
-   may be added to $PATH for convenience, although this is not strictly
+   produces a google-cloud-sdk directory, whose bin child directory may be
-   necessary.
+   added to $PATH for convenience, although this is not strictly necessary.
 
 The commands in this README are expected to be run from the directory containing
-it. $GOPATH must also be set to include this directory:
+it.
-
-% export GOPATH="$(go env GOPATH):$(pwd)"
 
 To test locally:
 
-% go get -d crashpad-home
+% go get -d ./src/crashpad-home
-% …/google-cloud-sdk/bin/dev_appserver.py src/crashpad-home
+% python3 …/google-cloud-sdk/bin/dev_appserver.py src/crashpad-home
+
+dev_appserver.py must be invoked using Python 3, but internally will use Python
+2, and a Python 2 interpreter must be available in the PATH as python2.
 
 Look for the “Starting module "default" running at: http://localhost:8080” line,
 which tells you the URL of the local running instance of the app. Test
-http://localhost:8080/ and http://localhost:8080/doxygen to ensure that they
+http://localhost:8080/ to ensure that it works.
-work.
+
+It would be good to test http://localhost:8080/doxygen as well, but it may fail
+with HTTP status 500 and the following error returned as the HTTP response body
+because memcache seems to not be available in the local dev_appserver
+environment:
+
+service bridge HTTP failed: Post "http://appengine.googleapis.internal:10001/rpc_http": dial tcp: lookup appengine.googleapis.internal: no such host
+
+The /doxygen URL can be tested in a verison of the app that’s been deployed
+before traffic has been migrated to it by visiting the staged deployed version
+from the App Engine console.
 
 To deploy:
 

doc/appengine/go.mod

@@ -0,0 +1,10 @@
+module src/crashpad-home
+
+go 1.21.6
+
+require google.golang.org/appengine/v2 v2.0.5
+
+require (
+	github.com/golang/protobuf v1.5.2 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+)

doc/appengine/go.sum

@@ -0,0 +1,37 @@
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/appengine/v2 v2.0.5 h1:4C+F3Cd3L2nWEfSmFEZDPjQvDwL8T0YCeZBysZifP3k=
+google.golang.org/appengine/v2 v2.0.5/go.mod h1:WoEXGoXNfa0mLvaH5sV3ZSGXwVmy8yf7Z1JKf3J3wLI=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=

doc/appengine/src/crashpad-home/app.yaml

@@ -12,7 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-runtime: go111
+runtime: go121
+app_engine_apis: true
 
 handlers:
 - url: /.*

doc/appengine/src/crashpad-home/main.go

@@ -25,9 +25,9 @@ import (
 	"strings"
 	"time"
 
-	"google.golang.org/appengine"
+	"google.golang.org/appengine/v2"
-	"google.golang.org/appengine/memcache"
+	"google.golang.org/appengine/v2/memcache"
-	"google.golang.org/appengine/urlfetch"
+	"google.golang.org/appengine/v2/urlfetch"
 )
 
 func main() {