Add build tools to generate SIGME docs

build/Dockerfile

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+FROM golang:1.6-onbuild

build/README.md

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+# SIG Doc builder
+
+This script will generate the following documentation files:
+
+```
+sig-*/README.md
+sig-list.md
+```
+
+Based off the `sigs.yaml` metadata file.
+
+## How to use
+
+To (re)build documentation for all the SIGs, run these commands:
+
+```bash
+docker build -t sigdocs -f build/Dockerfile build
+docker run -v $(pwd):/go/src/app sigdocs
+```

build/app.go

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+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+
+	"github.com/cbroglie/mustache"
+	"gopkg.in/yaml.v2"
+)
+
+var (
+	sigsYamlFile   = "sigs.yaml"
+	templateDir    = "build"
+	indexTemplate  = fmt.Sprintf("%s/sig_index.mustache", templateDir)
+	listTemplate   = fmt.Sprintf("%s/sig_list.mustache", templateDir)
+	sigListOutput  = "sig-list.md"
+	sigIndexOutput = "README.md"
+)
+
+type Lead struct {
+	Name    string
+	Company string
+	GitHub  string
+}
+
+type Meeting struct {
+	Day       string
+	UTC       string
+	PST       string
+	Frequency string
+}
+
+type Contact struct {
+	Slack       string
+	MailingList string `yaml:"mailing_list"`
+	GitHubTeam  string `yaml:"github_team"`
+}
+
+type Sig struct {
+	Name              string
+	Dir               string
+	MissionStatement  string `yaml:"mission_statement"`
+	Leads             []Lead
+	Meetings          []Meeting
+	MeetingURL        string `yaml:"meeting_url"`
+	MeetingArchiveURL string `yaml:"meeting_archive_url"`
+	Contact           Contact
+}
+
+type SigEntries struct {
+	Sigs []Sig
+}
+
+func dirExists(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return true, err
+}
+
+func createReadmeFiles(ctx SigEntries) error {
+	template, err := mustache.ParseFile(indexTemplate)
+	if err != nil {
+		return err
+	}
+
+	for _, sig := range ctx.Sigs {
+		data, err := template.Render(sig)
+		if err != nil {
+			return err
+		}
+
+		exists, err := dirExists(sig.Dir)
+		if err != nil {
+			return err
+		}
+		if !exists {
+			err = os.Mkdir(sig.Dir, 0755)
+			if err != nil {
+				return err
+			}
+		}
+
+		err = ioutil.WriteFile(fmt.Sprintf("%s/%s", sig.Dir, sigIndexOutput), []byte(data), 0644)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func createListFile(ctx SigEntries) error {
+	template, err := mustache.ParseFile(listTemplate)
+	if err != nil {
+		return err
+	}
+
+	data, err := template.Render(ctx)
+	if err != nil {
+		return err
+	}
+
+	err = ioutil.WriteFile(sigListOutput, []byte(data), 0644)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func main() {
+	yamlData, err := ioutil.ReadFile(sigsYamlFile)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	var ctx SigEntries
+	err = yaml.Unmarshal(yamlData, &ctx)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = createReadmeFiles(ctx)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = createListFile(ctx)
+	if err != nil {
+		log.Fatal(err)
+	}
+}

build/sig_index.mustache

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+# {{Name}} SIG
+
+{{MissionStatement}}
+## Meetings
+{{#Meetings}}
+- [{{Day}}s at {{UTC}} UTC]({{MeetingURL}}) ({{Frequency}})
+{{/Meetings}}
+Meeting notes and Agenda can be found [here]({{MeetingArchiveURL}}).
+
+## Leads
+{{#Leads}}
+- [{{Name}}](https://github.com/{{GitHub}}){{#Company}}, {{Company}}{{/Company}}
+{{/Leads}}
+## Contact
+{{#Contact}}
+Slack: https://kubernetes.slack.com/messages/{{Slack}}
+Mailing list: {{MailingList}}
+{{#GitHubTeam}}GitHub Team: https://github.com/kubernetes/teams/{{GitHubTeam}}{{/GitHubTeam}}
+{{/Contact}}

build/sig_list.mustache

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+# SIGs and Working Groups
+
+Most community activity is organized into Special Interest Groups (SIGs),
+time bounded Working Groups, and the [community meeting](communication.md#Meeting).
+
+SIGs follow these [guidelines](governance.md) although each of these groups may operate a little differently
+depending on their needs and workflow.
+
+Each group's material is in its subdirectory in this project.
+
+When the need arises, a [new SIG can be created](sig-creation-procedure.md)
+
+### Master SIG List
+
+| Name | Leads | Contact | Meetings |
+|------|-------|---------|----------|
+{{#Sigs}}
+|[{{ Name }}]({{ Dir }}/README.md)|{{#Leads}}- [{{Name}}](https://github.com/{{GitHub}}){{#Company}}, {{Company}}{{/Company}}<br>{{/Leads}}|{{#Contact}}- [Slack](https://kubernetes.slack.com/messages/{{Slack}})<br>- [Mailing List]({{MailingList}}){{/Contact}}|{{#Meetings}}- [{{Day}}s at {{UTC}} UTC ({{Frequency}})]({{MeetingURL}})<br>{{/Meetings}}
+{{/Sigs}}