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fields.go
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fields.go
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// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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
//
// http://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.
//+build linux,cgo
package reader
import "github.com/coreos/go-systemd/sdjournal"
type fieldConversion struct {
name string
isInteger bool
dropped bool
}
var (
journaldEventFields = map[string]fieldConversion{
// provided by systemd journal
"COREDUMP_UNIT": fieldConversion{"journald.coredump.unit", false, false},
"COREDUMP_USER_UNIT": fieldConversion{"journald.coredump.user_unit", false, false},
"OBJECT_AUDIT_LOGINUID": fieldConversion{"journald.object.audit.login_uid", true, false},
"OBJECT_AUDIT_SESSION": fieldConversion{"journald.object.audit.session", true, false},
"OBJECT_CMDLINE": fieldConversion{"journald.object.cmd", false, false},
"OBJECT_COMM": fieldConversion{"journald.object.name", false, false},
"OBJECT_EXE": fieldConversion{"journald.object.executable", false, false},
"OBJECT_GID": fieldConversion{"journald.object.gid", true, false},
"OBJECT_PID": fieldConversion{"journald.object.pid", true, false},
"OBJECT_SYSTEMD_OWNER_UID": fieldConversion{"journald.object.systemd.owner_uid", true, false},
"OBJECT_SYSTEMD_SESSION": fieldConversion{"journald.object.systemd.session", false, false},
"OBJECT_SYSTEMD_UNIT": fieldConversion{"journald.object.systemd.unit", false, false},
"OBJECT_SYSTEMD_USER_UNIT": fieldConversion{"journald.object.systemd.user_unit", false, false},
"OBJECT_UID": fieldConversion{"journald.object.uid", true, false},
"_KERNEL_DEVICE": fieldConversion{"journald.kernel.device", false, false},
"_KERNEL_SUBSYSTEM": fieldConversion{"journald.kernel.subsystem", false, false},
"_SYSTEMD_INVOCATION_ID": fieldConversion{"systemd.invocation_id", false, false},
"_SYSTEMD_USER_SLICE": fieldConversion{"systemd.user_slice", false, false},
"_UDEV_DEVLINK": fieldConversion{"journald.kernel.device_symlinks", false, false}, // TODO aggregate multiple elements
"_UDEV_DEVNODE": fieldConversion{"journald.kernel.device_node_path", false, false},
"_UDEV_SYSNAME": fieldConversion{"journald.kernel.device_name", false, false},
sdjournal.SD_JOURNAL_FIELD_AUDIT_LOGINUID: fieldConversion{"process.audit.login_uid", true, false},
sdjournal.SD_JOURNAL_FIELD_AUDIT_SESSION: fieldConversion{"process.audit.session", false, false},
sdjournal.SD_JOURNAL_FIELD_BOOT_ID: fieldConversion{"host.boot_id", false, false},
sdjournal.SD_JOURNAL_FIELD_CAP_EFFECTIVE: fieldConversion{"process.capabilites", false, false},
sdjournal.SD_JOURNAL_FIELD_CMDLINE: fieldConversion{"process.cmd", false, false},
sdjournal.SD_JOURNAL_FIELD_CODE_FILE: fieldConversion{"journald.code.file", false, false},
sdjournal.SD_JOURNAL_FIELD_CODE_FUNC: fieldConversion{"journald.code.func", false, false},
sdjournal.SD_JOURNAL_FIELD_CODE_LINE: fieldConversion{"journald.code.line", true, false},
sdjournal.SD_JOURNAL_FIELD_COMM: fieldConversion{"process.name", false, false},
sdjournal.SD_JOURNAL_FIELD_EXE: fieldConversion{"process.executable", false, false},
sdjournal.SD_JOURNAL_FIELD_GID: fieldConversion{"process.uid", true, false},
sdjournal.SD_JOURNAL_FIELD_HOSTNAME: fieldConversion{"host.name", false, false},
sdjournal.SD_JOURNAL_FIELD_MACHINE_ID: fieldConversion{"host.id", false, false},
sdjournal.SD_JOURNAL_FIELD_MESSAGE: fieldConversion{"message", false, false},
sdjournal.SD_JOURNAL_FIELD_PID: fieldConversion{"process.pid", true, false},
sdjournal.SD_JOURNAL_FIELD_PRIORITY: fieldConversion{"syslog.priority", true, false},
sdjournal.SD_JOURNAL_FIELD_SYSLOG_FACILITY: fieldConversion{"syslog.facility", true, false},
sdjournal.SD_JOURNAL_FIELD_SYSLOG_IDENTIFIER: fieldConversion{"syslog.identifier", false, false},
sdjournal.SD_JOURNAL_FIELD_SYSLOG_PID: fieldConversion{"syslog.pid", true, false},
sdjournal.SD_JOURNAL_FIELD_SYSTEMD_CGROUP: fieldConversion{"systemd.cgroup", false, false},
sdjournal.SD_JOURNAL_FIELD_SYSTEMD_OWNER_UID: fieldConversion{"systemd.owner_uid", true, false},
sdjournal.SD_JOURNAL_FIELD_SYSTEMD_SESSION: fieldConversion{"systemd.session", false, false},
sdjournal.SD_JOURNAL_FIELD_SYSTEMD_SLICE: fieldConversion{"systemd.slice", false, false},
sdjournal.SD_JOURNAL_FIELD_SYSTEMD_UNIT: fieldConversion{"systemd.unit", false, false},
sdjournal.SD_JOURNAL_FIELD_SYSTEMD_USER_UNIT: fieldConversion{"systemd.user_unit", false, false},
sdjournal.SD_JOURNAL_FIELD_TRANSPORT: fieldConversion{"systemd.transport", false, false},
sdjournal.SD_JOURNAL_FIELD_UID: fieldConversion{"process.uid", true, false},
// docker journald fields from: https://docs.docker.com/config/containers/logging/journald/
"CONTAINER_ID": fieldConversion{"conatiner.id_truncated", false, false},
"CONTAINER_ID_FULL": fieldConversion{"container.id", false, false},
"CONTAINER_NAME": fieldConversion{"container.name", false, false},
"CONTAINER_TAG": fieldConversion{"container.image.tag", false, false},
"CONTAINER_PARTIAL_MESSAGE": fieldConversion{"container.partial", false, false},
// dropped fields
sdjournal.SD_JOURNAL_FIELD_MONOTONIC_TIMESTAMP: fieldConversion{"", false, true}, // saved in the registry
sdjournal.SD_JOURNAL_FIELD_SOURCE_REALTIME_TIMESTAMP: fieldConversion{"", false, true}, // saved in the registry
sdjournal.SD_JOURNAL_FIELD_CURSOR: fieldConversion{"", false, true}, // saved in the registry
"_SOURCE_MONOTONIC_TIMESTAMP": fieldConversion{"", false, true}, // received timestamp stored in @timestamp
}
)