103 lines
2.8 KiB
Go
103 lines
2.8 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@probo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package service
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import (
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"errors"
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"fmt"
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"os"
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"os/exec"
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"strings"
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"text/template"
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)
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const (
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rcScriptPath = "/usr/local/etc/rc.d/probo_agent"
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)
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// FreeBSD rc.d script template.
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const rcScriptTmpl = `#!/bin/sh
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#
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# PROVIDE: probo_agent
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# REQUIRE: NETWORKING
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# KEYWORD: shutdown
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. /etc/rc.subr
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name=probo_agent
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rcvar=probo_agent_enable
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desc="Probo device posture agent"
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pidfile="/var/run/${name}.pid"
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procname="{{.ExePath}}"
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command=/usr/sbin/daemon
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command_args="-r -P ${pidfile} -- \"{{.ExePath}}\" run --dir \"{{.Dir}}\""
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load_rc_config $name
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: ${probo_agent_enable:=YES}
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run_rc_command "$1"
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`
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func Install(cfg Config) error {
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if cfg.ExePath == "" {
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return errors.New("executable path is required")
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}
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if cfg.Dir == "" {
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return errors.New("state directory is required")
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}
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if err := validateServicePaths(cfg); err != nil {
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return err
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}
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rcTmpl, err := template.New("rc").Parse(rcScriptTmpl)
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if err != nil {
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return fmt.Errorf("cannot parse rc.d template: %w", err)
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}
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sf, err := os.OpenFile(rcScriptPath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o755)
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if err != nil {
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return fmt.Errorf("cannot write rc.d script (need root?): %w", err)
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}
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defer func() { _ = sf.Close() }()
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if err := rcTmpl.Execute(sf, cfg); err != nil {
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return fmt.Errorf("cannot render rc.d script: %w", err)
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}
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if out, err := exec.Command("service", "probo_agent", "enable").CombinedOutput(); err != nil {
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return fmt.Errorf("cannot run service probo_agent enable: %w: %s", err, strings.TrimSpace(string(out)))
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}
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if out, err := exec.Command("service", "probo_agent", "start").CombinedOutput(); err != nil {
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return fmt.Errorf("cannot run service probo_agent start: %w: %s", err, strings.TrimSpace(string(out)))
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}
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return nil
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}
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func Uninstall(cfg Config) error {
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_ = exec.Command("service", "probo_agent", "stop").Run()
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_ = exec.Command("service", "probo_agent", "disable").Run()
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if err := os.Remove(rcScriptPath); err != nil && !errors.Is(err, os.ErrNotExist) {
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return fmt.Errorf("cannot remove rc.d script: %w", err)
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}
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return nil
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}
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