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Merge pull request #690 from kongfei605/feature_install
service install support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package install | ||
|
|
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| import ( | ||
| "github.com/kardianos/service" | ||
| ) | ||
|
|
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| const ( | ||
| ServiceName = "categraf" | ||
| ) | ||
|
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| var ( | ||
| serviceConfig = &service.Config{ | ||
| // 服务显示名称 | ||
| Name: ServiceName, | ||
| // 服务名称 | ||
| DisplayName: "categraf", | ||
| // 服务描述 | ||
| Description: "Opensource telemetry collector", | ||
| } | ||
| ) | ||
|
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||
| func ServiceConfig() *service.Config { | ||
| return serviceConfig | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| package install | ||
|
|
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| import ( | ||
| "github.com/kardianos/service" | ||
| ) | ||
|
|
||
| const ( | ||
| // freebsd的服务名中间不能有"-" | ||
| ServiceName = "categraf" | ||
|
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| SysvScript = `#!/bin/sh | ||
| # | ||
| # PROVIDE: {{.Name}} | ||
| # REQUIRE: networking syslog | ||
| # KEYWORD: | ||
| # Add the following lines to /etc/rc.conf to enable the {{.Name}}: | ||
| # | ||
| # {{.Name}}_enable="YES" | ||
| # | ||
| . /etc/rc.subr | ||
| name="{{.Name}}" | ||
| rcvar="{{.Name}}_enable" | ||
| command="{{.Path}}" | ||
| pidfile="/var/run/$name.pid" | ||
| start_cmd="/opt/categraf/categraf -configs /opt/categraf/conf" | ||
| load_rc_config $name | ||
| run_rc_command "$1" | ||
| ` | ||
| ) | ||
|
|
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| var ( | ||
| serviceConfig = &service.Config{ | ||
| // 服务显示名称 | ||
| Name: ServiceName, | ||
| // 服务名称 | ||
| DisplayName: "categraf", | ||
| // 服务描述 | ||
| Description: "Opensource telemetry collector", | ||
| Option: service.KeyValue{ | ||
| "SysvScript": SysvScript, | ||
| }, | ||
| } | ||
| ) | ||
|
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| func ServiceConfig() *service.Config { | ||
| return serviceConfig | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,219 @@ | ||
| package install | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "log" | ||
| "os/exec" | ||
| "strings" | ||
| "time" | ||
|
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| "github.com/kardianos/service" | ||
|
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| "flashcat.cloud/categraf/pkg/cmdx" | ||
| ) | ||
|
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| const ( | ||
| systemdScript = `[Unit] | ||
| Description={{.Description}} | ||
| ConditionFileIsExecutable={{.Path|cmdEscape}} | ||
| {{range $i, $dep := .Dependencies}} | ||
| {{$dep}} {{end}} | ||
| [Service] | ||
| StandardOutput=journal+console | ||
| StandardError=journal+console | ||
| StartLimitInterval=3600 | ||
| StartLimitBurst=10 | ||
| ExecStart={{.Path|cmdEscape}}{{range .Arguments}} {{.|cmd}}{{end}} | ||
| {{if .ChRoot}}RootDirectory={{.ChRoot|cmd}}{{end}} | ||
| {{if .WorkingDirectory}}WorkingDirectory={{.WorkingDirectory|cmdEscape}}{{end}} | ||
| {{if .UserName}}User={{.UserName}}{{end}} | ||
| {{if .ReloadSignal}}ExecReload=/bin/kill -{{.ReloadSignal}} "$MAINPID"{{end}} | ||
| {{if .PIDFile}}PIDFile={{.PIDFile|cmd}}{{end}} | ||
| {{if and .LogOutput .HasOutputFileSupport -}} | ||
| StandardOutput=syslog | ||
| StandardError=syslog | ||
| SyslogIdentifier={{.Name}} | ||
| {{- end}} | ||
| {{if gt .LimitNOFILE -1 }}LimitNOFILE={{.LimitNOFILE}}{{end}} | ||
| {{if .Restart}}Restart={{.Restart}}{{end}} | ||
| {{if .SuccessExitStatus}}SuccessExitStatus={{.SuccessExitStatus}}{{end}} | ||
| RestartSec=120 | ||
| EnvironmentFile=-/etc/sysconfig/{{.Name}} | ||
| KillMode=process | ||
| [Install] | ||
| WantedBy=multi-user.target | ||
| ` | ||
|
|
||
| // NOTE: sysvinit script below is copied from https://github.com/kardianos/service/master/service_sysv_linux.go | ||
| // with modification: | ||
| // * In chkconfig configuration [default_runlevels start_priority stop_priority], | ||
| // runlevels to be started by default is modified which should be consistent | ||
| // with LSB init configuration below. And two priorities is also modified | ||
| // to be consistent with installing code in library. | ||
| // * "Required-Start" part of LSB init configuration is modified according to | ||
| // https://refspecs.linuxbase.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/facilname.html | ||
| // for service dependency ordering, like what systemd provides. | ||
| // See https://linux.die.net/man/8/chkconfig for more details | ||
| sysvScript = `#!/bin/sh | ||
| # For RedHat and cousins: | ||
| # chkconfig: 2345 50 02 | ||
| # description: {{.Description}} | ||
| # processname: {{.Path}} | ||
| ### BEGIN INIT INFO | ||
| # Provides: {{.Path}} | ||
| # Required-Start: $local_fs $network $named $remote_fs | ||
| # Required-Stop: | ||
| # Default-Start: 2 3 4 5 | ||
| # Default-Stop: 0 1 6 | ||
| # Short-Description: {{.DisplayName}} | ||
| # Description: {{.Description}} | ||
| ### END INIT INFO | ||
| cmd="{{.Path}}{{range .Arguments}} {{.|cmd}}{{end}}" | ||
| name=$(basename $(readlink -f $0)) | ||
| pid_file="/var/run/$name.pid" | ||
| stdout_log="/var/log/$name.log" | ||
| stderr_log="/var/log/$name.err" | ||
| [ -e /etc/sysconfig/$name ] && . /etc/sysconfig/$name | ||
| get_pid() { | ||
| cat "$pid_file" | ||
| } | ||
| is_running() { | ||
| [ -f "$pid_file" ] && ps $(get_pid) > /dev/null 2>&1 | ||
| } | ||
| case "$1" in | ||
| start) | ||
| if is_running; then | ||
| echo "Already started" | ||
| else | ||
| echo "Starting $name" | ||
| {{if .WorkingDirectory}}cd '{{.WorkingDirectory}}'{{end}} | ||
| $cmd >> "$stdout_log" 2>> "$stderr_log" & | ||
| echo $! > "$pid_file" | ||
| if ! is_running; then | ||
| echo "Unable to start, see $stdout_log and $stderr_log" | ||
| exit 1 | ||
| fi | ||
| fi | ||
| ;; | ||
| stop) | ||
| if is_running; then | ||
| echo -n "Stopping $name.." | ||
| kill $(get_pid) | ||
| for i in $(seq 1 10) | ||
| do | ||
| if ! is_running; then | ||
| break | ||
| fi | ||
| echo -n "." | ||
| sleep 1 | ||
| done | ||
| echo | ||
| if is_running; then | ||
| echo "Not stopped; may still be shutting down or shutdown may have failed" | ||
| exit 1 | ||
| else | ||
| echo "Stopped" | ||
| if [ -f "$pid_file" ]; then | ||
| rm "$pid_file" | ||
| fi | ||
| fi | ||
| else | ||
| echo "Not running" | ||
| fi | ||
| ;; | ||
| restart) | ||
| $0 stop | ||
| if is_running; then | ||
| echo "Unable to stop, will not attempt to start" | ||
| exit 1 | ||
| fi | ||
| $0 start | ||
| ;; | ||
| status) | ||
| if is_running; then | ||
| echo "Running" | ||
| else | ||
| echo "Stopped" | ||
| exit 1 | ||
| fi | ||
| ;; | ||
| *) | ||
| echo "Usage: $0 {start|stop|restart|status}" | ||
| exit 1 | ||
| ;; | ||
| esac | ||
| exit 0 | ||
| ` | ||
| ) | ||
|
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| func isSystemd() bool { | ||
| var stdout bytes.Buffer | ||
| var stderr bytes.Buffer | ||
|
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| cmd := exec.Command("ls", "-l", "/sbin/init") //nolint:gosec | ||
| cmd.Stdout = &stdout | ||
| cmd.Stderr = &stderr | ||
|
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| err, timeout := cmdx.RunTimeout(cmd, time.Second*2) | ||
| if timeout { | ||
| log.Printf("E! run command: %s timeout", cmd) | ||
| return false | ||
| } | ||
|
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| if err != nil { | ||
| fmt.Errorf("failed to run command: %s | error: %v | stdout: %s | stderr: %s", | ||
| cmd, err, stdout.String(), stderr.String()) | ||
| return false | ||
| } | ||
|
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| if strings.Contains(stdout.String(), "systemd") { | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
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| func ServiceConfig() *service.Config { | ||
| ServiceName := "categraf" | ||
| depends := []string{} | ||
| option := make(service.KeyValue) | ||
| if isSystemd() { | ||
| ServiceName = "categraf" | ||
| // Official doc https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget/ | ||
| // suggests both After= and Wants= configuration to delay a service after | ||
| // network is up. Need validation on ALL distros and releases. | ||
| depends = append(depends, "After=network-online.target") | ||
| depends = append(depends, "Wants=network-online.target") | ||
| option["SystemdScript"] = systemdScript | ||
| option["Restart"] = "on-failure" | ||
|
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| // REMEMBER: Explicit disable LogOutput option of kardianos/service, and | ||
| // use StandardOutput/StandardError settings manually written above. | ||
| option["LogOutput"] = false | ||
| } else { | ||
| ServiceName = "categraf" | ||
| option["SysvScript"] = sysvScript | ||
| option["LogOutput"] = true | ||
| } | ||
|
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| return &service.Config{ | ||
| // 服务显示名称 | ||
| Name: ServiceName, | ||
| // 服务名称 | ||
| DisplayName: ServiceName, | ||
| // 服务描述 | ||
| Description: "Opensource telemetry collector", | ||
| // TODO: Use symbolic link for shorter path needs more adaption | ||
| // Executable: "/opt/categraf/categraf", | ||
| Dependencies: depends, // | ||
| Option: option, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package install | ||
|
|
||
| import ( | ||
| "github.com/kardianos/service" | ||
| ) | ||
|
|
||
| const ( | ||
| ServiceName = "categraf" | ||
| ) | ||
|
|
||
| var ( | ||
| serviceConfig = &service.Config{ | ||
| // 服务显示名称 | ||
| Name: ServiceName, | ||
| // 服务名称 | ||
| DisplayName: "categraf", | ||
| // 服务描述 | ||
| Description: "Opensource telemetry collector", | ||
| } | ||
| ) | ||
|
|
||
| func ServiceConfig() *service.Config { | ||
| return serviceConfig | ||
| } |
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