I did install fluentd-kubernetes-daemonset on my kube workers on one did work without any error but on the other is throwing the following errors:
2018-12-07 03:48:33 +0000 [warn]: #0 [in_systemd_bootkube] Systemd::JournalError: No such file or directory retrying in 1s
2018-12-07 03:48:36 +0000 [warn]: #0 [in_systemd_kubelet] Systemd::JournalError: No such file or directory retrying in 1s
2018-12-07 03:48:39 +0000 [warn]: #0 [in_systemd_bootkube] Systemd::JournalError: No such file or directory retrying in 1s
2018-12-07 03:48:40 +0000 [warn]: #0 [in_systemd_docker] Systemd::JournalError: No such file or directory retrying in 1s
2018-12-07 03:48:45 +0000 [warn]: #0 [in_systemd_kubelet] Systemd::JournalError: No such file or directory retrying in 1s
2018-12-07 03:48:44 +0000 [warn]: #0 [in_systemd_bootkube] Systemd::JournalError: No such file or directory retrying in 1s
2018-12-07 03:48:48 +0000 [warn]: #0 [in_systemd_docker] Systemd::JournalError: No such file or directory retrying in 1s
2018-12-07 03:48:55 +0000 [warn]: #0 [in_systemd_bootkube] Systemd::JournalError: No such file or directory retrying in 1s
If you don't setup systemd in the container, fluentd shows following messages by default configuration.
[warn]: #0 [in_systemd_bootkube] Systemd::JournalError: No such file or directory retrying in 1s
[warn]: #0 [in_systemd_kubelet] Systemd::JournalError: No such file or directory retrying in 1s
[warn]: #0 [in_systemd_docker] Systemd::JournalError: No such file or directory retrying in 1s
You can suppress these messages by setting disable to FLUENTD_SYSTEMD_CONF environment variable in your kubernetes configuration, e.g.:
containers:
- name: fluentd
image: fluent/fluentd-kubernetes-daemonset:v1-debian-elasticsearch
env:
- name: FLUENT_ELASTICSEARCH_HOST
value: 'elasticsearch'
- name: FLUENT_ELASTICSEARCH_PORT
value: '9200'
- name: FLUENT_ELASTICSEARCH_SCHEME
value: 'http'
- name: FLUENT_UID
value: '0'
- name: FLUENTD_SYSTEMD_CONF
value: 'disable'