consul-template & supervisorでプロセスの可視化 ref: https://qiita.com/jkkitakita/items/2ecfb3b134b2638ecd55

cesi.conf

[program:cesi]
command=python /var/www/cesi/web.py
user=root
group=root
autostart=true
autorestart=true
redirect_stdout=true
redirect_stderr=true
stopasgroup=true
stopsignal=QUIT
stdout_logfile=/root/cesi.stdout.log
stdout_logfile_maxbytes=20MB
stdout_logfile_backups=10
stderr_logfile=/root/cesi.stderr.log
stderr_logfile_maxbytes=20MB
stderr_logfile_backups=10

cesi.conf.tmpl

{{range service "supervisord"}}
[node:{{.Node}}]
username = hogehoge
password = fugafuga
host = {{.Address}}
port = 9001

{{end}}

[cesi]
database = /path/to/cesi-userinfo.db
activity_log = /path/to/cesi-activity.log
host = 0.0.0.0

common.json

{
  "datacenter": "dc1",
  "data_dir": "/home/consul/consul_1.0.1/data",
  "encrypt": "xxxxxxxxxxxxxxx", // server側と同じencrypt
  "log_level": "info",
  "enable_syslog": true,
  "enable_debug": true,
  "node_name": "agent01",
  "leave_on_terminate": false,
  "skip_leave_on_interrupt": true,
  "enable_script_checks": true,
  "rejoin_after_leave": true,
  "retry_join": ["provider=aws tag_key=Service tag_value=consulserver region=us-west-2 access_key_id=xxxxxxxxxxxxxx secret_access_key=xxxxxxxxxxxxxxx"
  // retry joinでserver側と接続。serverのcluster化も考慮して、provider=awsで、tag_keyを指定。
]
  }

connection.json

{
  "client_addr": "0.0.0.0",
  "bind_addr": "xxx.xxx.xxx.xxx", // 自身のprivate ip
  "ports": {
    "http": 8500,
    "server": 8300
  }
}

consul-template.cfg

consul = "127.0.0.1:8500"
wait = "10s"

template {
  source = "/home/consul/consul-template/templates/cesi.conf.tmpl"
  destination = "/etc/cesi.conf"
  command = "supervisorctl restart cesi"
  command_timeout = "60s"
}

consul-template.conf

[program:consul-template]
command=/home/consul/consul-template/bin/consul-template -config /home/consul/consul-template/config/consul-template.cfg
user=root
group=root
autostart=true
autorestart=true
redirect_stdout=true
redirect_stderr=true
stdout_logfile=/home/consul/consul-template/logs/stdout.log
stdout_logfile_maxbytes=20MB
stdout_logfile_backups=10
stderr_logfile=/home/consul/consul-template/logs/stderr.log
stderr_logfile_maxbytes=20MB
stderr_logfile_backups=10

consul.conf

[program:consul]
command=/home/consul/consul_1.0.1/bin/consul agent -config-dir=/home/consul/consul_1.0.1/consul.d // -uiは不要
user=consul
group=consul
autostart=true
autorestart=true
redirect_stdout=true
redirect_stderr=true
stdout_logfile=/home/consul/consul_1.0.1/logs/consul.stdout.log
stdout_logfile_maxbytes=20MB
stdout_logfile_backups=10
stderr_logfile=/home/consul/consul_1.0.1/logs/consul.stderr.log
stderr_logfile_maxbytes=20MB
stderr_logfile_backups=10

daemon.conf

[group:daemon]
programs=<daemon-name>
priority=999

[program:<daemon-name>]
command=sudo -u ec2-user -i /bin/bash -c 'cd /opt/<service> && <実行コマンド>'
user=ec2-user
group=ec2-user
directory=/opt/<service>
autostart=true
autorestart=true
redirect_stdout=true
redirect_stderr=true
stopasgroup=true
stopsignal=QUIT
stdout_logfile=/var/log/<service>/daemon.stdout.log
stdout_logfile_maxbytes=20MB
stdout_logfile_backups=10
stderr_logfile=/var/log/<service>/daemon.stderr.log
stderr_logfile_maxbytes=20MB
stderr_logfile_backups=10


[eventlistener:slack_notifier]
command=/usr/bin/process_state_event_listener.py
events=PROCESS_STATE
redirect_stderr=false
stopasgroup=true
stopsignal=QUIT
stdout_logfile=/var/log/<service>/event_listener.stdout.log
stdout_logfile_maxbytes=2MB
stdout_logfile_backups=10
stderr_logfile=/var/log/<service>/event_listener.stderr.log
stderr_logfile_maxbytes=2MB
stderr_logfile_backups=10
environment=SLACK_WEB_HOOK_URL="xxxxxxx"

daemon.json

{
  "services": [
        {
      "id": "<daemon-name>-agent01",
      "name": "<daemon-name>",
      "tags" : [ "daemon" ],
      "checks": [{
        "script": "supervisorctl status daemon:<daemon-name> | grep RUNNING",
        "interval": "10s"
      }]
    }
  ]
}

file17.txt

[root@agent01 config]# ll
total 8
-rwxr-xr-x 1 root   root    220 Dec  4 05:16 consul-template.cfg

file2.txt

[root@test02 ~]# supervisorctl status
daemon:<daemon-name>              RUNNING   pid 31513, uptime 13:19:20
slack_notifier                    RUNNING   pid 31511, uptime 13:19:20

file4.txt

[root@server01 consul_1.0.1]# pwd
/home/consul/consul_1.0.1

[root@server01 consul_1.0.1]# ll
total 16
drwxr-xr-x 2 consul consul 4096 Dec  3 04:49 bin
drwxr-xr-x 2 consul consul 4096 Dec  3 06:06 consul.d
drwxr-xr-x 4 consul consul 4096 Dec  3 04:50 data
drwxr-xr-x 2 consul consul 4096 Dec  3 04:50 logs

[root@server01 consul.d]# pwd
/home/consul/consul_1.0.1/consul.d

[root@server01 consul.d]# ll
total 16
-rw-r--r-- 1 consul consul 382 Dec  3 06:06 common.json
-rw-r--r-- 1 consul consul 117 Dec  3 04:49 connection.json
-rw-r--r-- 1 consul consul  84 Dec  3 04:49 server.json
-rw-r--r-- 1 consul consul 259 Dec  3 04:49 supervisord.json

server.json

{
  "server": true, // server側なので、true
  "server_name": "server01",
  "bootstrap_expect": 1 // とりあえず、serverは1台クラスタにした
}

supervisord.conf

クライアント側と同様

supervisord.json

{
  "services": [
    {
      "id": "supervisord-agent01",
      "name": "supervisord",
      "tags" : [ "common" ],
      "checks": [{
        "script": "/etc/init.d/supervisord status | grep running",
        "interval": "10s"
      }]
    }
  ]
}