fix templates and docs to use correct -- command line args

CHANGELOG.next.asciidoc

@@ -17,6 +17,7 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]
 - Drop support for Debian 10 and upgrade statically linked glibc from 2.28 to 2.31 {pull}41402[41402]
 - Fix metrics not being ingested, due to "Limit of total fields [10000] has been exceeded while adding new fields [...]". The total fields limit has been increased to 12500. No significant performance impact on Elasticsearch is anticipated. {pull}41640[41640]
 - Set default kafka version to 2.1.0 in kafka output and filebeat. {pull}41662[41662]
+- Fix templates and docs to use correct `--` version of command line arguments. {issue}42038[42038] {pull}99999[99999]
 
 *Auditbeat*
 

deploy/kubernetes/metricbeat-kubernetes.yaml

@@ -295,7 +295,7 @@ spec:
         args: [
           "-c", "/etc/metricbeat.yml",
           "-e",
-          "-system.hostfs=/hostfs",
+          "--system.hostfs=/hostfs",
         ]
         env:
         - name: ELASTICSEARCH_HOST

deploy/kubernetes/metricbeat/metricbeat-daemonset.yaml

@@ -25,7 +25,7 @@ spec:
         args: [
           "-c", "/etc/metricbeat.yml",
           "-e",
-          "-system.hostfs=/hostfs",
+          "--system.hostfs=/hostfs",
         ]
         env:
         - name: ELASTICSEARCH_HOST

dev-tools/kubernetes/metricbeat/manifest.debug.multi.yaml

@@ -298,7 +298,7 @@ spec:
         args: [
           "-c", "/etc/metricbeat.yml",
           "-e",
-          "-system.hostfs=/hostfs",
+          "--system.hostfs=/hostfs",
         ]
         env:
         - name: ELASTICSEARCH_HOST
@@ -403,7 +403,7 @@ spec:
         args: [
           "-c", "/etc/metricbeat.yml",
           "-e",
-          "-system.hostfs=/hostfs",
+          "--system.hostfs=/hostfs",
         ]
         ports:
         - containerPort: 56268

dev-tools/kubernetes/metricbeat/manifest.debug.yaml

@@ -298,7 +298,7 @@ spec:
         args: [
           "-c", "/etc/metricbeat.yml",
           "-e",
-          "-system.hostfs=/hostfs",
+          "--system.hostfs=/hostfs",
         ]
         ports:
         - containerPort: 56268

dev-tools/kubernetes/metricbeat/manifest.run.yaml

@@ -298,7 +298,7 @@ spec:
         args: [
           "-c", "/etc/metricbeat.yml",
           "-e",
-          "-system.hostfs=/hostfs",
+          "--system.hostfs=/hostfs",
         ]
         env:
         - name: ELASTICSEARCH_HOST

dev-tools/mage/pkg.go

@@ -172,7 +172,6 @@ func prepareIronbankBuild() error {
 		}
 		return nil
 	})
-
 	if err != nil {
 		return fmt.Errorf("cannot create templates for the IronBank: %w", err)
 	}
@@ -206,7 +205,7 @@ func saveIronbank() error {
 
 	distributionsDir := "build/distributions"
 	if _, err := os.Stat(distributionsDir); os.IsNotExist(err) {
-		err := os.MkdirAll(distributionsDir, 0750)
+		err := os.MkdirAll(distributionsDir, 0o750)
 		if err != nil {
 			return fmt.Errorf("cannot create folder for docker artifacts: %w", err)
 		}
@@ -348,9 +347,7 @@ func TestPackages(options ...TestPackagesOption) error {
 	args = append(args, "-files", MustExpand("{{.PWD}}/build/distributions/*"))
 
 	if out, err := goTest(args...); err != nil {
-		if !mg.Verbose() {
-			fmt.Println(out)
-		}
+		fmt.Println(out)
 		return err
 	}
 

dev-tools/packaging/package_test.go

@@ -26,7 +26,9 @@ import (
 	"bufio"
 	"bytes"
 	"compress/gzip"
+	"context"
 	"encoding/json"
+	"errors"
 	"flag"
 	"fmt"
 	"io"
@@ -36,18 +38,20 @@ import (
 	"slices"
 	"strings"
 	"testing"
-
-	"errors"
+	"time"
 
 	"github.com/blakesmith/ar"
 	rpm "github.com/cavaliergopher/rpm"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/api/types/strslice"
+	"github.com/docker/docker/client"
 )
 
 const (
-	expectedConfigMode     = os.FileMode(0600)
-	expectedManifestMode   = os.FileMode(0644)
+	expectedConfigMode     = os.FileMode(0o600)
+	expectedManifestMode   = os.FileMode(0o644)
 	expectedModuleFileMode = expectedManifestMode
-	expectedModuleDirMode  = os.FileMode(0755)
+	expectedModuleDirMode  = os.FileMode(0o755)
 )
 
 var (
@@ -234,15 +238,15 @@ func checkDocker(t *testing.T, file string) {
 		t.Errorf("error reading file %v: %v", file, err)
 		return
 	}
-
 	checkDockerEntryPoint(t, p, info)
 	checkDockerLabels(t, p, info, file)
 	checkDockerUser(t, p, info, *rootUserContainer)
-	checkConfigPermissionsWithMode(t, p, os.FileMode(0644))
-	checkManifestPermissionsWithMode(t, p, os.FileMode(0644))
+	checkConfigPermissionsWithMode(t, p, os.FileMode(0o644))
+	checkManifestPermissionsWithMode(t, p, os.FileMode(0o644))
 	checkModulesPresent(t, "", p)
 	checkModulesDPresent(t, "", p)
 	checkLicensesPresent(t, "licenses/", p)
+	checkDockerImageRun(t, p, file)
 }
 
 // Verify that the main configuration file is installed with a 0600 file mode.
@@ -356,7 +360,7 @@ func checkModulesOwner(t *testing.T, p *packageFile, expectRoot bool) {
 // Verify that the systemd unit file has a mode of 0644. It should not be
 // executable.
 func checkSystemdUnitPermissions(t *testing.T, p *packageFile) {
-	const expectedMode = os.FileMode(0644)
+	const expectedMode = os.FileMode(0o644)
 	t.Run(p.Name+" systemd unit file permissions", func(t *testing.T) {
 		for _, entry := range p.Contents {
 			if systemdUnitFilePattern.MatchString(entry.File) {
@@ -443,7 +447,7 @@ func checkLicensesPresent(t *testing.T, prefix string, p *packageFile) {
 }
 
 func checkDockerEntryPoint(t *testing.T, p *packageFile, info *dockerInfo) {
-	expectedMode := os.FileMode(0755)
+	expectedMode := os.FileMode(0o755)
 
 	t.Run(fmt.Sprintf("%s entrypoint", p.Name), func(t *testing.T) {
 		if len(info.Config.Entrypoint) == 0 {
@@ -511,6 +515,111 @@ func checkDockerUser(t *testing.T, p *packageFile, info *dockerInfo, expectRoot
 	})
 }
 
+func checkDockerImageRun(t *testing.T, p *packageFile, imagePath string) {
+	t.Run(fmt.Sprintf("%s check docker images runs", p.Name), func(t *testing.T) {
+		var ctx context.Context
+		dl, ok := t.Deadline()
+		if !ok {
+			ctx = context.Background()
+		} else {
+			c, cancel := context.WithDeadline(context.Background(), dl)
+			ctx = c
+			defer cancel()
+		}
+		f, err := os.Open(imagePath)
+		if err != nil {
+			t.Fatalf("failed to open docker image %q: %s", imagePath, err)
+		}
+		defer f.Close()
+
+		c, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
+		if err != nil {
+			t.Fatalf("failed to get a Docker client: %s", err)
+		}
+
+		loadResp, err := c.ImageLoad(ctx, f, true)
+		if err != nil {
+			t.Fatalf("error loading docker image: %s", err)
+		}
+
+		loadRespBody, err := io.ReadAll(loadResp.Body)
+		if err != nil {
+			t.Fatalf("failed to read image load response: %s", err)
+		}
+		loadResp.Body.Close()
+
+		_, after, found := strings.Cut(string(loadRespBody), "Loaded image: ")
+		if !found {
+			t.Fatalf("image load response was unexpected: %s", string(loadRespBody))
+		}
+		imageId := strings.TrimRight(after, "\\n\"}\r\n")
+
+		var caps strslice.StrSlice
+		if strings.Contains(imageId, "packetbeat") {
+			caps = append(caps, "NET_ADMIN")
+		}
+
+		createResp, err := c.ContainerCreate(ctx,
+			&container.Config{
+				Image: imageId,
+			},
+			&container.HostConfig{
+				CapAdd: caps,
+			},
+			nil,
+			nil,
+			"")
+		if err != nil {
+			t.Fatalf("error creating container from image: %s", err)
+		}
+		defer func() {
+			err := c.ContainerRemove(ctx, createResp.ID, container.RemoveOptions{Force: true})
+			if err != nil {
+				t.Errorf("error removing container: %s", err)
+			}
+		}()
+
+		err = c.ContainerStart(ctx, createResp.ID, container.StartOptions{})
+		if err != nil {
+			t.Fatalf("failed to start container: %s", err)
+		}
+		defer func() {
+			err := c.ContainerStop(ctx, createResp.ID, container.StopOptions{})
+			if err != nil {
+				t.Errorf("error stopping container: %s", err)
+			}
+		}()
+
+		timer := time.NewTimer(15 * time.Second)
+		defer timer.Stop()
+		ticker := time.NewTicker(2 * time.Second)
+		defer ticker.Stop()
+
+		var logs []byte
+		sentinelLog := "Beat ID: "
+		for {
+			select {
+			case <-timer.C:
+				t.Fatalf("logs:\n%s\nnever saw %q within timeout", string(logs), sentinelLog)
+				goto done
+			case <-ticker.C:
+				out, err := c.ContainerLogs(ctx, createResp.ID, container.LogsOptions{ShowStdout: true, ShowStderr: true})
+				if err != nil {
+					t.Logf("could not get logs: %s", err)
+				}
+				logs, err = io.ReadAll(out)
+				if err != nil {
+					t.Logf("error reading logs: %s", err)
+				}
+				if bytes.Contains(logs, []byte(sentinelLog)) {
+					goto done
+				}
+			}
+		}
+	done:
+	})
+}
+
 // ensureNoBuildIDLinks checks for regressions related to
 // https://github.com/elastic/beats/issues/12956.
 func ensureNoBuildIDLinks(t *testing.T, p *packageFile) {

dev-tools/packaging/templates/docker/Dockerfile.tmpl

@@ -244,4 +244,4 @@ ENV LIBBEAT_MONITORING_CGROUPS_HIERARCHY_OVERRIDE=/
 
 WORKDIR {{ $beatHome }}
 ENTRYPOINT ["/usr/bin/tini", "--", "/usr/local/bin/docker-entrypoint"]
-CMD ["-environment", "container"]
+CMD ["--environment", "container"]

dev-tools/packaging/templates/ironbank/auditbeat/Dockerfile

@@ -80,7 +80,7 @@ ENV ELASTIC_PRODUCT=${ELASTIC_PRODUCT}
 
 # TODO: eventually /tinit will be replaced by /usr/bin/tini
 ENTRYPOINT ["/tinit", "--", "/usr/share/auditbeat/auditbeat", "-E", "http.enabled=true", "-E", "http.host=unix:///usr/share/auditbeat/data/auditbeat.sock"]
-CMD ["-environment", "container"]
+CMD ["--environment", "container"]
 
 # see https://www.elastic.co/guide/en/beats/auditbeat/current/http-endpoint.html
 HEALTHCHECK --interval=10s --timeout=5s --start-period=1m --retries=5 CMD curl -I -f --max-time 5 --unix-socket '/usr/share/auditbeat/data/auditbeat.sock' 'http:/stats?pretty'

dev-tools/packaging/templates/ironbank/filebeat/Dockerfile

@@ -80,7 +80,7 @@ ENV ELASTIC_PRODUCT=${ELASTIC_PRODUCT}
 
 # TODO: eventually /tinit will be replaced by /usr/bin/tini
 ENTRYPOINT ["/tinit", "--", "/usr/share/filebeat/filebeat", "-E", "http.enabled=true", "-E", "http.host=unix:///usr/share/filebeat/data/filebeat.sock"]
-CMD ["-environment", "container"]
+CMD ["--environment", "container"]
 
 # see https://www.elastic.co/guide/en/beats/filebeat/current/http-endpoint.html
 HEALTHCHECK --interval=10s --timeout=5s --start-period=1m --retries=5 CMD curl -I -f --max-time 5 --unix-socket '/usr/share/filebeat/data/filebeat.sock' 'http:/stats/?pretty'

dev-tools/packaging/templates/ironbank/heartbeat/Dockerfile

@@ -80,7 +80,7 @@ ENV ELASTIC_PRODUCT=${ELASTIC_PRODUCT}
 
 # TODO: eventually /tinit will be replaced by /usr/bin/tini
 ENTRYPOINT ["/tinit", "--", "/usr/share/heartbeat/heartbeat", "-E", "http.enabled=true", "-E", "http.host=unix:///usr/share/heartbeat/data/heartbeat.sock"]
-CMD ["-environment", "container"]
+CMD ["--environment", "container"]
 
 # see https://www.elastic.co/guide/en/beats/heartbeat/current/http-endpoint.html
 HEALTHCHECK --interval=10s --timeout=5s --start-period=1m --retries=5 CMD curl -I -f --max-time 5 --unix-socket '/usr/share/heartbeat/data/heartbeat.sock' 'http:/stats/?pretty'

dev-tools/packaging/templates/ironbank/metricbeat/Dockerfile

@@ -81,7 +81,7 @@ ENV ELASTIC_PRODUCT=${ELASTIC_PRODUCT}
 
 # TODO: eventually /tinit will be replaced by /usr/bin/tini
 ENTRYPOINT ["/tinit", "--", "/usr/share/metricbeat/metricbeat", "-E", "http.enabled=true", "-E", "http.host=unix:///usr/share/metricbeat/data/metricbeat.sock"]
-CMD ["-environment", "container"]
+CMD ["--environment", "container"]
 
 # see https://www.elastic.co/guide/en/beats/metricbeat/current/http-endpoint.html
 HEALTHCHECK --interval=10s --timeout=5s --start-period=1m --retries=5 CMD curl -I -f --max-time 5 --unix-socket '/usr/share/metricbeat/data/metricbeat.sock' 'http:/stats/?pretty'

dev-tools/packaging/templates/ironbank/packetbeat/Dockerfile

@@ -82,7 +82,7 @@ ENV ELASTIC_PRODUCT=${ELASTIC_PRODUCT}
 
 # TODO: eventually /tinit will be replaced by /usr/bin/tini
 ENTRYPOINT ["/tinit", "--", "/usr/share/packetbeat/packetbeat", "-E", "http.enabled=true", "-E", "http.host=unix:///usr/share/packetbeat/data/packetbeat.sock"]
-CMD ["-environment", "container"]
+CMD ["--environment", "container"]
 
 # see https://www.elastic.co/guide/en/beats/packetbeat/current/http-endpoint.html
 HEALTHCHECK --interval=10s --timeout=5s --start-period=1m --retries=5 CMD curl -I -f --max-time 5 --unix-socket '/usr/share/packetbeat/data/packetbeat.sock' 'http:/stats/?pretty'

filebeat/tests/open-file-handlers/run.sh

@@ -1,3 +1,3 @@
 /etc/init.d/metricbeat start
 cd /filebeat
-./filebeat -httpprof :6060
+./filebeat --httpprof :6060

libbeat/docs/command-reference.asciidoc

@@ -926,7 +926,7 @@ messages.
 *`-e, --e`*::
 Logs to stderr and disables syslog/file output.
 
-*`-environment`*::
+*`--environment`*::
 For logging purposes, specifies the environment that {beatname_uc} is running in.
 This setting is used to select a default log output when no log output is configured.
 Supported values are: `systemd`, `container`, `macos_service`, and `windows_service`.

metricbeat/docs/running-on-docker.asciidoc

@@ -22,7 +22,7 @@ docker run \
   --env DBUS_SYSTEM_BUS_ADDRESS='unix:path=/hostfs/var/run/dbus/system_bus_socket' \ <4>
   --net=host \ <5>
   --cgroupns=host \ <6>
-  {dockerimage} -e -system.hostfs=/hostfs
+  {dockerimage} -e --system.hostfs=/hostfs
 ----
 
 <1> Metricbeat's <<metricbeat-module-system,system module>> collects much of its data through the Linux proc

metricbeat/module/kubernetes/_meta/remote-debugger/README.md

@@ -72,7 +72,7 @@ containers:
   args: [
     "-c", "/etc/metricbeat.yml",
     "-e",
-    "-system.hostfs=/hostfs",
+    "--system.hostfs=/hostfs",
   ]
   ports:
     - containerPort: 56268