use go-sysinfo v1.14.1 and elastic-agent-system-metrics v0.10.6

go-sysinfo was lower-casing FQDN by default, this new version does not. Not its user should do it if necessary. elastic-agent-system-metrics is also upgraded to a version that lowercase the FQDN when it's used as `host.name`.

go.mod

@@ -345,3 +345,7 @@ replace (
 
 // Exclude this version because the version has an invalid checksum.
 exclude github.com/docker/distribution v2.8.0+incompatible
+
+replace github.com/elastic/go-sysinfo => github.com/AndersonQ/go-sysinfo v0.0.0-20240723133639-576a5a94e18c
+
+replace github.com/elastic/elastic-agent-system-metrics => github.com/AndersonQ/elastic-agent-system-metrics v0.0.0-20240723150030-6f29b3f88b68

go.sum

@@ -598,6 +598,10 @@ dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=
 git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc=
+github.com/AndersonQ/elastic-agent-system-metrics v0.0.0-20240723150030-6f29b3f88b68 h1:EA6fSGSg+eSOnDqpdIlooL5Qb6zS4v7Uemdl1lpgDi0=
+github.com/AndersonQ/elastic-agent-system-metrics v0.0.0-20240723150030-6f29b3f88b68/go.mod h1:kstjNAFHhCHrW5MR+3xlVGfpWYtw3pXe5QzD4aolxcs=
+github.com/AndersonQ/go-sysinfo v0.0.0-20240723133639-576a5a94e18c h1:JmYm9QiTPvea7Ya4NSVG0vUwZ9Q+qbfAW3mpkMgHB0E=
+github.com/AndersonQ/go-sysinfo v0.0.0-20240723133639-576a5a94e18c/go.mod h1:FKUXnZWhnYI0ueO7jhsGV3uQJ5hiz8OqM5b3oGyaRr8=
 github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
 github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
@@ -748,8 +752,6 @@ github.com/elastic/elastic-agent-client/v7 v7.14.0 h1:X6S2RyjZNKsDCvA2igch2I5dgH
 github.com/elastic/elastic-agent-client/v7 v7.14.0/go.mod h1:6h+f9QdIr3GO2ODC0Y8+aEXRwzbA5W4eV4dd/67z7nI=
 github.com/elastic/elastic-agent-libs v0.9.15 h1:WCLtuErafUxczT/rXJa4Vr6mxwC8dgtqMbEq+qWGD4M=
 github.com/elastic/elastic-agent-libs v0.9.15/go.mod h1:2VgYxHaeM+cCDBjiS2wbmTvzPGbnlXAtYrlcLefheS8=
-github.com/elastic/elastic-agent-system-metrics v0.10.4 h1:Tmb1rPRDyVv9M453YlPyl/gwUm9s4nSiI2xH76GGEz4=
-github.com/elastic/elastic-agent-system-metrics v0.10.4/go.mod h1:cd7YgcTEjBNeLGnH/C9cEvP/YexohwS6CpmN9Ju58Mw=
 github.com/elastic/elastic-transport-go/v8 v8.6.0 h1:Y2S/FBjx1LlCv5m6pWAF2kDJAHoSjSRSJCApolgfthA=
 github.com/elastic/elastic-transport-go/v8 v8.6.0/go.mod h1:YLHer5cj0csTzNFXoNQ8qhtGY1GTvSqPnKWKaqQE3Hk=
 github.com/elastic/go-docappender/v2 v2.2.0 h1:Pq6w+R0ZbWlqZHoqzoujR2ElKBfaPUf3M/cJvPVSrfA=
@@ -762,8 +764,6 @@ github.com/elastic/go-licenser v0.4.2 h1:bPbGm8bUd8rxzSswFOqvQh1dAkKGkgAmrPxbUi+
 github.com/elastic/go-licenser v0.4.2/go.mod h1:W8eH6FaZDR8fQGm+7FnVa7MxI1b/6dAqxz+zPB8nm5c=
 github.com/elastic/go-structform v0.0.10 h1:oy08o/Ih2hHTkNcRY/1HhaYvIp5z6t8si8gnCJPDo1w=
 github.com/elastic/go-structform v0.0.10/go.mod h1:CZWf9aIRYY5SuKSmOhtXScE5uQiLZNqAFnwKR4OrIM4=
-github.com/elastic/go-sysinfo v1.14.0 h1:dQRtiqLycoOOla7IflZg3aN213vqJmP0lpVpKQ9lUEY=
-github.com/elastic/go-sysinfo v1.14.0/go.mod h1:FKUXnZWhnYI0ueO7jhsGV3uQJ5hiz8OqM5b3oGyaRr8=
 github.com/elastic/go-ucfg v0.8.8 h1:54KIF/2zFKfl0MzsSOCGOsZ3O2bnjFQJ0nDJcLhviyk=
 github.com/elastic/go-ucfg v0.8.8/go.mod h1:4E8mPOLSUV9hQ7sgLEJ4bvt0KhMuDJa8joDT2QGAEKA=
 github.com/elastic/go-windows v1.0.2 h1:yoLLsAsV5cfg9FLhZ9EXZ2n2sQFKeDYrHenkcivY4vI=

internal/pkg/agent/application/info/agent_metadata.go

@@ -7,12 +7,11 @@ package info
 import (
 	"context"
 	"fmt"
-
-	"github.com/elastic/elastic-agent/pkg/features"
-
 	"runtime"
 	"strings"
 
+	"github.com/elastic/elastic-agent/pkg/features"
+
 	"github.com/elastic/elastic-agent/internal/pkg/agent/application/paths"
 	"github.com/elastic/elastic-agent/internal/pkg/agent/errors"
 	"github.com/elastic/elastic-agent/internal/pkg/release"
@@ -173,7 +172,7 @@ func (i *AgentInfo) ECSMetadata(l *logger.Logger) (*ECSMeta, error) {
 		Host: &HostECSMeta{
 			Arch:     info.Architecture,
 			Hostname: hostname,
-			Name:     hostname,
+			Name:     strings.ToLower(hostname),
 			ID:       info.UniqueID,
 			IP:       info.IPs,
 			MAC:      info.MACs,
@@ -211,7 +210,7 @@ func (i *AgentInfo) ECSMetadataFlatMap(l *logger.Logger) (map[string]interface{}
 	// Host
 	meta[hostArchKey] = info.Architecture
 	meta[hostHostnameKey] = hostname
-	meta[hostNameKey] = hostname
+	meta[hostNameKey] = strings.ToLower(hostname)
 	meta[hostIDKey] = info.UniqueID
 	meta[hostIPKey] = fmt.Sprintf("[%s]", strings.Join(info.IPs, ","))
 	meta[hostMACKey] = fmt.Sprintf("[%s]", strings.Join(info.MACs, ","))

internal/pkg/composable/providers/host/host.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"reflect"
 	"runtime"
+	"strings"
 	"time"
 
 	"github.com/elastic/elastic-agent/internal/pkg/agent/errors"
@@ -141,7 +142,7 @@ func getHostInfo(log *logger.Logger) func() (map[string]interface{}, error) {
 
 		return map[string]interface{}{
 			"id":           info.UniqueID,
-			"name":         name,
+			"name":         strings.ToLower(name),
 			"platform":     runtime.GOOS,
 			"architecture": info.Architecture,
 			"ip":           info.IPs,