publish: github release plugin

pkg/plugin/publish/github.go

@@ -0,0 +1,128 @@
+package publish
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/drone/drone/pkg/build/buildfile"
+	"github.com/drone/drone/pkg/build/repo"
+)
+
+import ()
+
+type Github struct {
+	// Script is an optional list of commands to run to prepare for a release.
+	Script []string `yaml:"script"`
+
+	// Artifacts is a list of files or directories to release.
+	Artifacts []string `yaml:"artifacts"`
+
+	// Tag is the name of the tag to create for this release.
+	Tag string `yaml:"tag"`
+
+	// Name is the name of the release. Defaults to tag.
+	Name string `yaml:"name"`
+
+	// Description describes the release. Defaults to empty string.
+	Description string `yaml:"description"`
+
+	// Draft is an identifier on a Github release.
+	Draft bool `yaml:"draft"`
+
+	// Prerelease is an identifier on a Github release.
+	Prerelease bool `yaml:"prerelease"`
+
+	// Token is the Github token to use when publishing the release.
+	Token string `yaml:"token"`
+
+	// User is the Github user for the repository you'd like to publish to.
+	User string `yaml:"user"`
+
+	// Repo is the name of the Github repostiory you like to publish to.
+	Repo string `yaml:"repo"`
+
+	// Branch to publish from.
+	Branch string `yaml:"branch"`
+}
+
+// Write adds commands to run that will publish a Github release.
+func (g *Github) Write(f *buildfile.Buildfile, r *repo.Repo) {
+	if len(g.Artifacts) == 0 || g.Tag == "" || g.Token == "" || g.User == "" || g.Repo == "" {
+		f.WriteCmdSilent(`echo -e "Github Plugin: Missing argument(s)"\n\n`)
+		if len(g.Artifacts) == 0 {
+			f.WriteCmdSilent(`echo -e "\tartifacts not defined in yaml config" && false`)
+		}
+		if g.Tag == "" {
+			f.WriteCmdSilent(`echo -e "\ttag not defined in yaml config" && false`)
+		}
+		if g.Token == "" {
+			f.WriteCmdSilent(`echo -e "\ttoken not defined in yaml config" && false`)
+		}
+		if g.User == "" {
+			f.WriteCmdSilent(`echo -e "\tuser not defined in yaml config" && false`)
+		}
+		if g.Repo == "" {
+			f.WriteCmdSilent(`echo -e "\trepo not defined in yaml config" && false`)
+		}
+		return
+	}
+
+	// Default name is tag
+	if g.Name == "" {
+		g.Name = g.Tag
+	}
+
+	for _, cmd := range g.Script {
+		f.WriteCmd(cmd)
+	}
+
+	f.WriteEnv("GITHUB_TOKEN", g.Token)
+
+	// Install github-release
+	f.WriteCmd("curl -L -o /tmp/github-release.tar.bz2 https://github.com/aktau/github-release/releases/download/v0.5.2/linux-amd64-github-release.tar.bz2")
+	f.WriteCmd("tar jxf /tmp/github-release.tar.bz2 -C /tmp/ && sudo mv /tmp/bin/linux/amd64/github-release /usr/local/bin/github-release")
+
+	// Create the release. Ignore 422 errors, which indicate the tag has already been created.
+	// Doing otherwise would create the expectation that every commit should be tagged and released,
+	// which is not the norm.
+	draftStr := ""
+	if g.Draft {
+		draftStr = "--draft"
+	}
+	prereleaseStr := ""
+	if g.Prerelease {
+		prereleaseStr = "--pre-release"
+	}
+	f.WriteCmd(fmt.Sprintf(`
+result=$(github-release release -u %s -r %s -t %s -n "%s" -d "%s" %s %s || true)
+if [[ $result == *422* ]]; then
+  echo -e "Release already exists for this tag.";
+  exit 0
+elif [[ $result == "" ]]; then
+  echo -e "Release created.";
+else
+  echo -e "Error creating release: $result"
+  exit 1
+fi
+`, g.User, g.Repo, g.Tag, g.Name, g.Description, draftStr, prereleaseStr))
+
+	// Upload files
+	artifactStr := strings.Join(g.Artifacts, " ")
+	f.WriteCmd(fmt.Sprintf(`
+for f in %s; do
+    # treat directories and files differently
+    if [ -d $f ]; then
+        for ff in $(ls $f); do
+            echo -e "uploading $ff"
+            github-release upload -u %s -r %s -t %s -n $ff -f $f/$ff
+        done
+    elif [ -f $f ]; then
+        echo -e "uploading $f"
+        github-release upload -u %s -r %s -t %s -n $f -f $f
+    else
+        echo -e "$f is not a file or directory"
+        exit 1
+    fi
+done
+`, artifactStr, g.User, g.Repo, g.Tag, g.User, g.Repo, g.Tag))
+}

pkg/plugin/publish/github_test.go

@@ -0,0 +1,103 @@
+package publish
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"gopkg.in/v1/yaml"
+)
+
+var validcfg = map[string]interface{}{
+	"artifacts": []string{"release/"},
+	"tag":       "v1.0",
+	"token":     "github-token",
+	"user":      "drone",
+	"repo":      "drone",
+}
+
+func buildfileForConfig(config map[string]interface{}) (string, error) {
+	yml, err := yaml.Marshal(map[string]interface{}{
+		"publish": config,
+	})
+	if err != nil {
+		return "", err
+	}
+	return setUpWithDrone(string(yml))
+}
+
+func TestRequiredConfig(t *testing.T) {
+	for _, required := range []string{"artifacts", "tag", "token", "user", "repo"} {
+		invalidcfg := make(map[string]interface{})
+		for k, v := range validcfg {
+			if k != required {
+				invalidcfg[k] = v
+			}
+		}
+		buildfilestr, err := buildfileForConfig(map[string]interface{}{"github": invalidcfg})
+		if err != nil {
+			t.Fatal(err)
+		}
+		contains := fmt.Sprintf("%s not defined", required)
+		if !strings.Contains(buildfilestr, contains) {
+			t.Fatalf("Expected buildfile to contain error '%s': %s", contains, buildfilestr)
+		}
+	}
+}
+
+func TestScript(t *testing.T) {
+	cmd := "echo run me!"
+	scriptcfg := make(map[string]interface{})
+	scriptcfg["script"] = []string{cmd}
+	for k, v := range validcfg {
+		scriptcfg[k] = v
+	}
+	buildfilestr, err := buildfileForConfig(map[string]interface{}{"github": scriptcfg})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(buildfilestr, cmd) {
+		t.Fatalf("Expected buildfile to contain command '%s': %s", cmd, buildfilestr)
+	}
+}
+
+func TestDefaultBehavior(t *testing.T) {
+	buildfilestr, err := buildfileForConfig(map[string]interface{}{"github": validcfg})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defaultname := fmt.Sprintf(`-n "%s"`, validcfg["tag"].(string))
+	if !strings.Contains(buildfilestr, defaultname) {
+		t.Fatalf("Expected buildfile to contain name default to tag '%s': %s", defaultname, buildfilestr)
+	}
+	if strings.Contains(buildfilestr, "--draft") {
+		t.Fatalf("Should not create a draft release by default: %s", buildfilestr)
+	}
+	if strings.Contains(buildfilestr, "--pre-release") {
+		t.Fatalf("Should not create a pre-release release by default: %s", buildfilestr)
+	}
+	if !strings.Contains(buildfilestr, "github-release release") {
+		t.Fatalf("Should create a release: %s", buildfilestr)
+	}
+	if !strings.Contains(buildfilestr, "github-release upload") {
+		t.Fatalf("Should upload a file: %s", buildfilestr)
+	}
+}
+
+func TestOpts(t *testing.T) {
+	optscfg := make(map[string]interface{})
+	optscfg["draft"] = true
+	optscfg["prerelease"] = true
+	for k, v := range validcfg {
+		optscfg[k] = v
+	}
+	buildfilestr, err := buildfileForConfig(map[string]interface{}{"github": optscfg})
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, flag := range []string{"--draft", "--pre-release"} {
+		if !strings.Contains(buildfilestr, flag) {
+			t.Fatalf("Expected buildfile to contain flag '%s': %s", flag, buildfilestr)
+		}
+	}
+}

pkg/plugin/publish/publish.go

@@ -14,6 +14,7 @@ type Publish struct {
 	PyPI   *PyPI   `yaml:"pypi,omitempty"`
 	NPM    *NPM    `yaml:"npm,omitempty"`
 	Docker *Docker `yaml:"docker,omitempty"`
+	Github *Github `yaml:"github,omitempty"`
 }
 
 func (p *Publish) Write(f *buildfile.Buildfile, r *repo.Repo) {
@@ -41,4 +42,9 @@ func (p *Publish) Write(f *buildfile.Buildfile, r *repo.Repo) {
 	if p.Docker != nil && (len(p.Docker.Branch) == 0 || (len(p.Docker.Branch) > 0 && r.Branch == p.Docker.Branch)) {
 		p.Docker.Write(f, r)
 	}
+
+	// Github
+	if p.Github != nil && (len(p.Github.Branch) == 0 || (len(p.Github.Branch) > 0 && r.Branch == p.Github.Branch)) {
+		p.Github.Write(f, r)
+	}
 }