12 votes

Comment exclure les entrées de journalctl à l'aide d'un filtre ?

Considérez les trois entrées suivantes de cette sortie journalctl (sortie json et mode débogage activés pour être complet) :

SYSTEMD_LOG_LEVEL=debug journalctl -o json -u docker --since '1 hour ago'
Root directory /run/log/journal added.
Considering /run/log/journal/de1e08ac57af453bacab3cc9875b12b9.
Directory /run/log/journal/de1e08ac57af453bacab3cc9875b12b9 added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-0000000001022a21-00054cd4f00adc68.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-000000000101fcf0-00054cd199b0289f.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-000000000101cd35-00054ccd960f91a8.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-0000000001019c1d-00054ccab4dac8d5.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-0000000001016ae3-00054cc7d76493eb.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-00000000010139aa-00054cc4212faa29.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-0000000001010d45-00054cbe6893a794.journal added.
Considering /run/log/journal/c811c8a6e38845669ba5607794d4b425.
Directory /run/log/journal/c811c8a6e38845669ba5607794d4b425 added.
File /run/log/journal/c811c8a6e38845669ba5607794d4b425/system.journal added.
Journal filter: ((OBJECT_SYSTEMD_UNIT=docker.service AND _UID=0) OR (UNIT=docker.service AND _PID=1) OR (COREDUMP_UNIT=docker.service AND _UID=0 AND MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1) OR _SYSTEMD_UNIT=docker.service)
{ "__CURSOR" : "s=7bea274da69540c8b1676a1cd030f6ee;i=10260ef;b=15e9d32e03844e279dc0fcce7cb3c223;m=77b2f462910;t=54cd75d2cca7e;x=c30fbcda999df142", "__REALTIME_TIMESTAMP" : "1491862748449406", "__MONOTONIC_TIMESTAMP" : "8225655499024", "_BOOT_ID" : "15e9d32e03844e279dc0fcce7cb3c223", "_UID" : "0", "_GID" : "0", "_MACHINE_ID" : "de1e08ac57af453bacab3cc9875b12b9", "_HOSTNAME" : "bnode1", "_CAP_EFFECTIVE" : "1fffffffff", "_SYSTEMD_SLICE" : "system.slice", "PRIORITY" : "6", "_TRANSPORT" : "journal", "MESSAGE" : "http: TLS handshake error from 172.17.0.4:59426: tls: first record does not look like a TLS handshake\n", "PACKAGE" : "", "SYSLOG_IDENTIFIER" : "dockerd", "_PID" : "23542", "_COMM" : "dockerd", "_EXE" : "/usr/bin/dockerd", "_CMDLINE" : "dockerd -H tcp://0.0.0.0:2376 -H unix:///var/run/docker.sock --storage-driver devicemapper --tlsverify --tlscacert /etc/docker/ca.pem --tlscert /etc/docker/server.pem --tlskey /etc/docker/server-key.pem --label provider=digitalocean", "_SYSTEMD_CGROUP" : "/system.slice/docker.service", "_SYSTEMD_UNIT" : "docker.service", "_SOURCE_REALTIME_TIMESTAMP" : "1491862748449026" }
Root directory /run/log/journal removed.
Directory /run/log/journal/c811c8a6e38845669ba5607794d4b425 removed.
Directory /run/log/journal/de1e08ac57af453bacab3cc9875b12b9 removed.
mmap cache statistics: 719 hit, 15 miss
{ "__CURSOR" : "s=7bea274da69540c8b1676a1cd030f6ee;i=10260f0;b=15e9d32e03844e279dc0fcce7cb3c223;m=77b2f465891;t=54cd75d2cf9ff;x=c85ca946535cd15a", "__REALTIME_TIMESTAMP" : "1491862748461567", "__MONOTONIC_TIMESTAMP" : "8225655511185", "_BOOT_ID" : "15e9d32e03844e279dc0fcce7cb3c223", "_UID" : "0", "_GID" : "0", "_MACHINE_ID" : "de1e08ac57af453bacab3cc9875b12b9", "_HOSTNAME" : "bnode1", "_CAP_EFFECTIVE" : "1fffffffff", "_SYSTEMD_SLICE" : "system.slice", "PRIORITY" : "6", "_TRANSPORT" : "journal", "PACKAGE" : "", "SYSLOG_IDENTIFIER" : "dockerd", "_PID" : "23542", "_COMM" : "dockerd", "_EXE" : "/usr/bin/dockerd", "_CMDLINE" : "dockerd -H tcp://0.0.0.0:2376 -H unix:///var/run/docker.sock --storage-driver devicemapper --tlsverify --tlscacert /etc/docker/ca.pem --tlscert /etc/docker/server.pem --tlskey /etc/docker/server-key.pem --label provider=digitalocean", "_SYSTEMD_CGROUP" : "/system.slice/docker.service", "_SYSTEMD_UNIT" : "docker.service", "MESSAGE" : "http: TLS handshake error from 172.17.0.4:59428: tls: client didn't provide a certificate\n", "_SOURCE_REALTIME_TIMESTAMP" : "1491862748461177" }
{ "__CURSOR" : "s=7bea274da69540c8b1676a1cd030f6ee;i=102611c;b=15e9d32e03844e279dc0fcce7cb3c223;m=77b311a8308;t=54cd75f012476;x=25ad24e998bdafaa", "__REALTIME_TIMESTAMP" : "1491862779143286", "__MONOTONIC_TIMESTAMP" : "8225686192904", "_BOOT_ID" : "15e9d32e03844e279dc0fcce7cb3c223", "_UID" : "0", "_GID" : "0", "_MACHINE_ID" : "de1e08ac57af453bacab3cc9875b12b9", "_HOSTNAME" : "bnode1", "_CAP_EFFECTIVE" : "1fffffffff", "_SYSTEMD_SLICE" : "system.slice", "PRIORITY" : "6", "_TRANSPORT" : "journal", "_PID" : "23542", "_COMM" : "dockerd", "_EXE" : "/usr/bin/dockerd", "_CMDLINE" : "dockerd -H tcp://0.0.0.0:2376 -H unix:///var/run/docker.sock --storage-driver devicemapper --tlsverify --tlscacert /etc/docker/ca.pem --tlscert /etc/docker/server.pem --tlskey /etc/docker/server-key.pem --label provider=digitalocean", "_SYSTEMD_CGROUP" : "/system.slice/docker.service", "_SYSTEMD_UNIT" : "docker.service", "MESSAGE" : "hello world", "CONTAINER_TAG" : "5d0ecb10c3c5", "CONTAINER_ID" : "5d0ecb10c3c5", "CONTAINER_ID_FULL" : "5d0ecb10c3c5c51ac912c174f2e5db4e9a9acecd948cfe296d0966936dae584a", "CONTAINER_NAME" : "happy_booth", "_SOURCE_REALTIME_TIMESTAMP" : "1491862779142975" }

J'ai trois entrées au total. Une seule d'entre elles comporte le champ personnalisé CONTAINER_ID.

Je veux construire une commande journalctl qui exclura toutes les entrées qui ont ce champ spécifique inclus. J'ai essayé ce qui suit, sans succès :

SYSTEMD_LOG_LEVEL=debug journalctl -o json -u docker --since '1 hour ago' CONTAINER_ID=
Root directory /run/log/journal added.
Considering /run/log/journal/de1e08ac57af453bacab3cc9875b12b9.
Directory /run/log/journal/de1e08ac57af453bacab3cc9875b12b9 added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-0000000001022a21-00054cd4f00adc68.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-000000000101fcf0-00054cd199b0289f.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-000000000101cd35-00054ccd960f91a8.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-0000000001019c1d-00054ccab4dac8d5.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-0000000001016ae3-00054cc7d76493eb.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-00000000010139aa-00054cc4212faa29.journal added.
File /run/log/journal/de1e08ac57af453bacab3cc9875b12b9/system@7bea274da69540c8b1676a1cd030f6ee-0000000001010d45-00054cbe6893a794.journal added.
Considering /run/log/journal/c811c8a6e38845669ba5607794d4b425.
Directory /run/log/journal/c811c8a6e38845669ba5607794d4b425 added.
File /run/log/journal/c811c8a6e38845669ba5607794d4b425/system.journal added.
Journal filter: (CONTAINER_ID= AND ((OBJECT_SYSTEMD_UNIT=docker.service AND _UID=0) OR (UNIT=docker.service AND _PID=1) OR (COREDUMP_UNIT=docker.service AND _UID=0 AND MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1) OR _SYSTEMD_UNIT=docker.service))
Directory /run/log/journal/c811c8a6e38845669ba5607794d4b425 removed.
Directory /run/log/journal/de1e08ac57af453bacab3cc9875b12b9 removed.
Root directory /run/log/journal removed.
mmap cache statistics: 16 hit, 12 miss

Réglage du filtre sur CONTAINER_ID= retournera pas de entrées.

Y a-t-il un moyen de dire journalctl pour ne faire correspondre que les entrées qui ne pas avoir un champ présent ?

La page de manuel de journalctl ne semble répertorier aucun exemple qui inclut ce cas d'utilisation.

13voto

James Mertz Points 390

Non, journalctl ne prend pas en charge les filtres d'exclusion / négatifs. Vous devrez filtrer les résultats par jq ou ordinaire grep pour l'instant.

3voto

Brian Harris Points 1031

Vous pouvez utiliser grep pour une correspondance inverse simple -v / --invert-match si le CONTAINER_ID est inclus dans la sortie texte :

journalctl -u docker -o cat --no-pager | grep -v "5d0ecb10c3c5"

pour un filtrage plus avancé, il est préférable d'utiliser json sortie :

journalctl -u docker -b -o json | jq -C . | less -R

Où vous pouvez filtrer les messages comme @programmerq le suggère :

journalctl -u docker -o json | jq -cr 'select(has("CONTAINER_ID") | not) | .MESSAGE'

SistemesEz.com

SystemesEZ est une communauté de sysadmins où vous pouvez résoudre vos problèmes et vos doutes. Vous pouvez consulter les questions des autres sysadmins, poser vos propres questions ou résoudre celles des autres.

Powered by:

X