Give ZDNS a version (#384)

* added version to cli.go

* added zdns version into metadata

* added comment explaining usage to version tag workflow

* re-worked version tag action

* fixed sed

.github/workflows/version_tagging.yml

@@ -0,0 +1,55 @@
+name: Release on Demand
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Semantic version for the release, ex: "v1.2.3"'
+        required: true
+
+jobs:
+  create-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Set up Git
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Create release branch
+        id: create_branch
+        run: |
+          VERSION=${{ github.event.inputs.version }}
+          BRANCH_NAME="release/${VERSION}"
+          git checkout -b ${BRANCH_NAME}
+          echo "Branch name is ${BRANCH_NAME}"
+
+      - name: Update version in cli.go
+        run: |
+          VERSION=${{ github.event.inputs.version }}
+          sed 's/\tzdnsCLIVersion = \".*\"/\tzdnsCLIVersion = \"${VERSION}\"/g' src/cli/cli.go
+
+      - name: Commit changes
+        run: |
+          VERSION=${{ github.event.inputs.version }}
+          git add src/cli/cli.go
+          git commit -m "Update version to ${VERSION} in src/cli/cli.go"
+
+      - name: Push branch
+        run: |
+          VERSION=${{ github.event.inputs.version }}
+          BRANCH_NAME="release/${VERSION}"
+          git push origin ${BRANCH_NAME}
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          branch: "release/${{ github.event.inputs.version }}"
+          title: "Release ${VERSION}"
+          body: "This PR updates the version to ${VERSION}. Be sure to tag the release once this PR is merged."
+          base: main

src/cli/cli.go

@@ -27,6 +27,10 @@ import (
 	"github.com/zmap/zdns/src/internal/util"
 )
 
+const (
+	zdnsCLIVersion = "1.1.0"
+)
+
 type InputHandler interface {
 	FeedChannel(in chan<- string, wg *sync.WaitGroup) error
 }
@@ -106,6 +110,7 @@ ZDNS also includes its own recursive resolution and a cache to further optimize
 		GC.Module = strings.ToUpper(args[0])
 		Run(GC, cmd.Flags())
 	},
+	Version: zdnsCLIVersion,
 }
 
 // Execute adds all child commands to the root command and sets flags appropriately.

src/cli/worker_manager.go

@@ -51,6 +51,7 @@ type Metadata struct {
 	Timeout     int            `json:"timeout"`
 	Retries     int            `json:"retries"`
 	Conf        *CLIConf       `json:"conf"`
+	ZDNSVersion string         `json:"zdns_version"`
 }
 
 func populateCLIConfig(gc *CLIConf, flags *pflag.FlagSet) *CLIConf {
@@ -540,6 +541,7 @@ func makeName(name, prefix, nameOverride string) (string, bool) {
 
 func aggregateMetadata(c <-chan routineMetadata) Metadata {
 	var meta Metadata
+	meta.ZDNSVersion = zdnsCLIVersion
 	meta.Status = make(map[string]int)
 	for m := range c {
 		meta.Names += m.Names