Dockerfile and related scritps for a container that generates docs for API types

hack/gen-swagger-doc/Dockerfile

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+FROM java:7-jre
+
+RUN apt-get update
+RUN apt-get install -qq -y asciidoctor
+RUN apt-get install -qq -y unzip
+RUN wget https://services.gradle.org/distributions/gradle-2.5-bin.zip
+RUN mkdir build/
+RUN unzip gradle-2.5-bin.zip -d build/
+
+COPY build.gradle build/
+COPY gen-swagger-docs.sh build/
+
+#run the script once to download the dependent java libraries into the image
+RUN mkdir /output
+RUN build/gen-swagger-docs.sh https://raw.githubusercontent.com/GoogleCloudPlatform/kubernetes/master/api/swagger-spec/v1.json https://raw.githubusercontent.com/GoogleCloudPlatform/kubernetes/master/pkg/api/v1/register.go
+
+ENTRYPOINT ["build/gen-swagger-docs.sh"]

hack/gen-swagger-doc/README.md

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+This folder contains the sources needed to build the gen-swagger-doc container.
+
+To build the container image, 
+
+```
+$ sudo docker build -t gcr.io/google_containers/gen-swagger-docs:v1 .
+```
+
+To generate the html docs,
+
+```
+$ ./run-gen-swagger-docs.sh <API version> <absolute output path, default to PWD>
+```
+
+The generated definitions.html and operations.html will be stored in output paths.
+
+
+[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/hack/gen-swagger-doc/README.md?pixel)]()

hack/gen-swagger-doc/build.gradle

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+buildscript {
+    repositories {
+        mavenLocal()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'io.github.robwin:swagger2markup:0.6.0'
+    }
+}
+
+task gendocs << {
+  io.github.robwin.swagger2markup.Swagger2MarkupConverter
+    .from("./input.json")
+    .build()
+    .intoFolder("./");
+  println '*** generating docs to ./'
+}

hack/gen-swagger-doc/gen-swagger-docs.sh

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+#!/bin/bash
+
+# Copyright 2014 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Script to generate docs from the latest swagger spec.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+echo $1
+echo $2
+
+cd /build/
+
+wget "$1" -O input.json
+wget "$2" -O register.go
+
+./gradle-2.5/bin/gradle gendocs --info
+
+#insert a TOC for top level API objects
+buf="== Top Level API Objects\n\n"
+top_level_models=$(grep IsAnAPIObject ./register.go | sed 's/func (\*\(.*\)) IsAnAPIObject/\1/g' \
+    | tr -d '()' | tr -d '{}' | tr -d ' ')
+for m in $top_level_models
+do
+  if grep -xq "=== v1.$m" ./definitions.adoc
+  then
+    buf+="* <<v1."$m">>\n"
+  fi
+done
+sed -i "1i $buf" ./definitions.adoc
+
+#fix the links in .adoc, replace <<x.y>> with link:definitions.html#_x_y[x.y], and lowercase the _x_y part
+sed -i -e 's|<<\(.*\)\.\(.*\)>>|link:#_\L\1_\2\E[\1.\2]|g' ./definitions.adoc
+sed -i -e 's|<<\(.*\)\.\(.*\)>>|link:definitions.html#_\L\1_\2\E[\1.\2]|g' ./paths.adoc
+
+#fix the link to <<any>>
+sed -i -e 's|<<any>>|link:#_any[any]|g' ./definitions.adoc
+sed -i -e 's|<<any>>|link:definitions.html#_any[any]|g' ./paths.adoc
+
+echo -e "=== any\nRepresents an untyped JSON map - see the description of the field for more info about the structure of this object." >> ./definitions.adoc
+
+asciidoctor definitions.adoc
+asciidoctor paths.adoc
+
+cp definitions.html /output/
+cp paths.html /output/operations.html
+
+echo "SUCCESS"

hack/gen-swagger-doc/run-gen-swagger-docs.sh

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+#!/bin/bash
+
+# Copyright 2014 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if [ "$#" -lt 1 ]; then
+    echo "Usage: run-gen-swagger-docs.sh <API version> <absolute output path, default to PWD>"
+    exit 
+fi
+OUTPUT=${2:-${PWD}}
+
+docker run -v ${OUTPUT}:/output gcr.io/google_containers/gen-swagger-docs:v1 https://raw.githubusercontent.com/GoogleCloudPlatform/kubernetes/master/api/swagger-spec/$1.json https://raw.githubusercontent.com/GoogleCloudPlatform/kubernetes/master/pkg/api/$1/register.go
+