Docker Logging: Unterschied zwischen den Versionen

Aus Xinux Wiki
Zur Navigation springen Zur Suche springen
Zeile 7: Zeile 7:
 
* Normalerweise werden Standard Output und Standard Error dem Docker-log übergeben.
 
* Normalerweise werden Standard Output und Standard Error dem Docker-log übergeben.
  
−
== Beispiel fürs anzeigen verschiedener Docker Informationen ==
+
= Beispiele =
  
−
* Containerprotokolle anzeigen
+
== Containerprotokolle anzeigen ==
−
* docker logs nginx
+
 
 +
* '''docker logs nginx'''
  
−
 
 
  /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
 
  /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
 
  /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
 
  /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
Zeile 35: Zeile 35:
 
  2023/02/13 07:11:47 [notice] 1#1: start worker process 35
 
  2023/02/13 07:11:47 [notice] 1#1: start worker process 35
 
  2023/02/13 07:11:47 [notice] 1#1: start worker process 36
 
  2023/02/13 07:11:47 [notice] 1#1: start worker process 36
−
+
 
−
+
== neu einkommende Protokolleinträge anzeigen ==
−
* Nur neue Protokolle anzeigen:
+
 
 
* '''docker logs -f nginx'''
 
* '''docker logs -f nginx'''
  
−
 
 
  /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
 
  /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
 
  /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
 
  /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
Zeile 63: Zeile 62:
 
  2023/02/13 07:11:47 [notice] 1#1: start worker process 35
 
  2023/02/13 07:11:47 [notice] 1#1: start worker process 35
 
  2023/02/13 07:11:47 [notice] 1#1: start worker process 36
 
  2023/02/13 07:11:47 [notice] 1#1: start worker process 36
−
 
−
 
−
* CPU- und Speicherauslastung anzeigen:
 
−
* '''docker stats'''
 
  
−
+
== CPU- und Speicherauslastung ==
−
CONTAINER ID   NAME     CPU %     MEM USAGE / LIMIT     MEM %     NET I/O       BLOCK I/O       PIDS
+
 
−
42f4afd9ad3d   nginx     0.00%     9.316MiB / 11.46GiB   0.08%     1.53kB / 0B   4.1kB / 8.19kB   9
+
<ul>
−
+
<li><p>'''docker stats'''</p>
−
* CPU- und Speicherauslastung für bestimmte Container anzeigen:
+
<p>CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS 42f4afd9ad3d nginx 0.00% 9.316MiB / 11.46GiB 0.08% 1.53kB / 0B 4.1kB / 8.19kB 9</p></li>
−
* '''docker stats nginx'''
+
<li><p>für bestimmte Container</p></li>
 +
<li><p>'''docker stats nginx'''</p>
 +
<p>CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS 42f4afd9ad3d nginx 0.00% 9.316MiB / 11.46GiB 0.08% 1.53kB / 0B 4.1kB / 8.19kB 9</p></li></ul>
 +
 
 +
== Laufende Prozesse in einem Container ==
  
−
 
−
CONTAINER ID  NAME      CPU %    MEM USAGE / LIMIT    MEM %    NET I/O      BLOCK I/O        PIDS
 
−
42f4afd9ad3d  nginx    0.00%    9.316MiB / 11.46GiB  0.08%    1.53kB / 0B  4.1kB / 8.19kB  9
 
−
 
−
* Laufende Prozesse in einem Container anzeigen:
 
 
* '''docker top nginx'''
 
* '''docker top nginx'''
  
−
 
 
  UID                PID                PPID                C                  STIME              TTY                TIME                CMD
 
  UID                PID                PPID                C                  STIME              TTY                TIME                CMD
 
  root                112223              112199              0                  07:11              ?                  00:00:00            nginx: master process nginx -g daemon off;
 
  root                112223              112199              0                  07:11              ?                  00:00:00            nginx: master process nginx -g daemon off;

Version vom 6. März 2023, 14:27 Uhr

Syntax

  • Für einen Container
  • docker logs [OPTIONS] NAME
  • Für Services/Tasks eines Docker-Swarms
  • docker service logs [OPTIONS] NAME
  • Normalerweise werden Standard Output und Standard Error dem Docker-log übergeben.

Beispiele

Containerprotokolle anzeigen

  • docker logs nginx
/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
10-listen-on-ipv6-by-default.sh: info: Enabled listen on IPv6 in /etc/nginx/conf.d/default.conf
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
2023/02/13 07:11:47 [notice] 1#1: using the "epoll" event method
2023/02/13 07:11:47 [notice] 1#1: nginx/1.23.3
2023/02/13 07:11:47 [notice] 1#1: built by gcc 10.2.1 20210110 (Debian 10.2.1-6) 
2023/02/13 07:11:47 [notice] 1#1: OS: Linux 5.4.0-137-generic
2023/02/13 07:11:47 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
2023/02/13 07:11:47 [notice] 1#1: start worker processes
2023/02/13 07:11:47 [notice] 1#1: start worker process 29
2023/02/13 07:11:47 [notice] 1#1: start worker process 30
2023/02/13 07:11:47 [notice] 1#1: start worker process 31
2023/02/13 07:11:47 [notice] 1#1: start worker process 32
2023/02/13 07:11:47 [notice] 1#1: start worker process 33
2023/02/13 07:11:47 [notice] 1#1: start worker process 34
2023/02/13 07:11:47 [notice] 1#1: start worker process 35
2023/02/13 07:11:47 [notice] 1#1: start worker process 36

neu einkommende Protokolleinträge anzeigen

  • docker logs -f nginx
/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
10-listen-on-ipv6-by-default.sh: info: Enabled listen on IPv6 in /etc/nginx/conf.d/default.conf
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
2023/02/13 07:11:47 [notice] 1#1: using the "epoll" event method
2023/02/13 07:11:47 [notice] 1#1: nginx/1.23.3
2023/02/13 07:11:47 [notice] 1#1: built by gcc 10.2.1 20210110 (Debian 10.2.1-6) 
2023/02/13 07:11:47 [notice] 1#1: OS: Linux 5.4.0-137-generic
2023/02/13 07:11:47 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
2023/02/13 07:11:47 [notice] 1#1: start worker processes
2023/02/13 07:11:47 [notice] 1#1: start worker process 29
2023/02/13 07:11:47 [notice] 1#1: start worker process 30
2023/02/13 07:11:47 [notice] 1#1: start worker process 31
2023/02/13 07:11:47 [notice] 1#1: start worker process 32
2023/02/13 07:11:47 [notice] 1#1: start worker process 33
2023/02/13 07:11:47 [notice] 1#1: start worker process 34
2023/02/13 07:11:47 [notice] 1#1: start worker process 35
2023/02/13 07:11:47 [notice] 1#1: start worker process 36

CPU- und Speicherauslastung

  • docker stats

    CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS 42f4afd9ad3d nginx 0.00% 9.316MiB / 11.46GiB 0.08% 1.53kB / 0B 4.1kB / 8.19kB 9

  • für bestimmte Container

  • docker stats nginx

    CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS 42f4afd9ad3d nginx 0.00% 9.316MiB / 11.46GiB 0.08% 1.53kB / 0B 4.1kB / 8.19kB 9

Laufende Prozesse in einem Container

  • docker top nginx
UID                 PID                 PPID                C                   STIME               TTY                 TIME                CMD
root                112223              112199              0                   07:11               ?                   00:00:00            nginx: master process nginx -g daemon off;
systemd+            112291              112223              0                   07:11               ?                   00:00:00            nginx: worker process
systemd+            112292              112223              0                   07:11               ?                   00:00:00            nginx: worker process
systemd+            112293              112223              0                   07:11               ?                   00:00:00            nginx: worker process
systemd+            112294              112223              0                   07:11               ?                   00:00:00            nginx: worker process
systemd+            112295              112223              0                   07:11               ?                   00:00:00            nginx: worker process
systemd+            112296              112223              0                   07:11               ?                   00:00:00            nginx: worker process
systemd+            112297              112223              0                   07:11               ?                   00:00:00            nginx: worker process
systemd+            112298              112223              0                   07:11               ?                   00:00:00            nginx: worker process
Abgerufen von „http://wiki.ixheim.de/index.php?title=Docker_Logging&oldid=42731“