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component_echo_server.go
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/
component_echo_server.go
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/*
Copyright 2019 NetFoundry Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package zitilab
import (
"fmt"
"github.com/openziti/fablab/kernel/model"
"github.com/openziti/ziti/zititest/zitilab/stageziti"
"github.com/sirupsen/logrus"
"strings"
)
var _ model.ComponentType = (*EchoServerType)(nil)
type EchoServerMode int
type EchoServerType struct {
Version string
LocalPath string
Port uint16
BindService string
}
func (self *EchoServerType) Label() string {
return "echo-server"
}
func (self *EchoServerType) GetVersion() string {
return self.Version
}
func (self *EchoServerType) InitType(*model.Component) {
canonicalizeGoAppVersion(&self.Version)
}
func (self *EchoServerType) Dump() any {
return map[string]string{
"type_id": "echo-server",
"version": self.Version,
"local_path": self.LocalPath,
}
}
func (self *EchoServerType) StageFiles(r model.Run, c *model.Component) error {
return stageziti.StageZitiOnce(r, c, self.Version, self.LocalPath)
}
func (self *EchoServerType) getProcessFilter(c *model.Component) func(string) bool {
return getZitiProcessFilter(c, "echo-server")
}
func (self *EchoServerType) IsRunning(_ model.Run, c *model.Component) (bool, error) {
pids, err := c.GetHost().FindProcesses(self.getProcessFilter(c))
if err != nil {
return false, err
}
return len(pids) > 0, nil
}
func (self *EchoServerType) Start(run model.Run, c *model.Component) error {
user := c.GetHost().GetSshUser()
binaryPath := GetZitiBinaryPath(c, self.Version)
configPath := fmt.Sprintf("/home/%s/fablab/cfg/%s.json", user, c.Id)
logsPath := fmt.Sprintf("/home/%s/logs/%s.log", user, c.Id)
ha := ""
if len(run.GetModel().SelectComponents(".ctrl")) > 1 {
ha = "--ha"
}
serviceHostingFlags := ""
if self.BindService != "" {
serviceHostingFlags = fmt.Sprintf("-i %s -s %s", configPath, self.BindService)
}
portFlag := ""
if self.Port > 0 {
portFlag = fmt.Sprintf("-p %d", self.Port)
}
serviceCmd := fmt.Sprintf("nohup %s demo echo-server --cli-agent-alias %s %s %s %s > %s 2>&1 &",
binaryPath, c.Id, ha, serviceHostingFlags, portFlag, logsPath)
value, err := c.GetHost().ExecLogged(serviceCmd)
if err != nil {
return err
}
if len(value) > 0 {
logrus.Infof("output [%s]", strings.Trim(value, " \t\r\n"))
}
return nil
}
func (self *EchoServerType) Stop(_ model.Run, c *model.Component) error {
return c.GetHost().KillProcesses("-TERM", self.getProcessFilter(c))
}