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/*
* This file is part of Cockpit.
*
* Copyright (C) 2017 Red Hat, Inc.
*
* Cockpit is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* Cockpit is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
*/
import cockpit from "cockpit";
import React from "react";
import { Badge } from "@patternfly/react-core/dist/esm/components/Badge/index.js";
import { Button } from "@patternfly/react-core/dist/esm/components/Button/index.js";
import { Card, CardBody, CardHeader, CardTitle } from '@patternfly/react-core/dist/esm/components/Card/index.js';
import { ExclamationTriangleIcon, TimesCircleIcon } from '@patternfly/react-icons';
import { journal } from "journal";
import "journal.css";
import "cockpit-components-logs-panel.scss";
const _ = cockpit.gettext;
/* JournalOutput implements the interface expected by
journal.renderer, and also collects the output.
*/
export class JournalOutput {
constructor(search_options) {
this.logs = [];
this.reboot_key = 0;
this.search_options = search_options || {};
}
onEvent(ev, cursor, full_content) {
// only consider primary mouse button for clicks
if (ev.type === 'click') {
if (ev.button !== 0)
return;
// Ignore if text is being selected - less than 3 characters most likely means misclick
const selection = window.getSelection().toString();
if (selection && selection.length > 2 && full_content.indexOf(selection) >= 0)
return;
}
// only consider enter button for keyboard events
if (ev.type === 'KeyDown' && ev.key !== "Enter")
return;
cockpit.jump("system/logs#/" + cursor + "?parent_options=" + JSON.stringify(this.search_options));
}
render_line(ident, prio, message, count, time, entry) {
let problem = false;
let warning = false;
if (ident === 'abrt-notification') {
problem = true;
ident = entry.PROBLEM_BINARY;
} else if (prio < 4) {
warning = true;
}
const full_content = [time, message, ident].join("\n");
return (
<div className="cockpit-logline" role="row" tabIndex="0" key={entry.__CURSOR}
data-cursor={entry.__CURSOR}
onClick={ev => this.onEvent(ev, entry.__CURSOR, full_content)}
onKeyDown={ev => this.onEvent(ev, entry.__CURSOR, full_content)}>
<div className="cockpit-log-warning" role="cell">
{ warning
? <ExclamationTriangleIcon className="ct-icon-exclamation-triangle" />
: null
}
{ problem
? <TimesCircleIcon className="ct-icon-times-circle" />
: null
}
</div>
<div className="cockpit-log-time" role="cell">{time}</div>
<span className="cockpit-log-message" role="cell">{message}</span>
{
count > 1
? <div className="cockpit-log-service-container" role="cell">
<div className="cockpit-log-service-reduced">{ident}</div>
<Badge screenReaderText={_("Occurrences")} isRead key={count}>{count}</Badge>
</div>
: <div className="cockpit-log-service" role="cell">{ident}</div>
}
</div>
);
}
render_day_header(day) {
return <div className="panel-heading" key={day}>{day}</div>;
}
render_reboot_separator() {
return (
<div className="cockpit-logline" role="row" key={"reboot-" + this.reboot_key++}>
<div className="cockpit-log-warning" role="cell" />
<span className="cockpit-log-message cockpit-logmsg-reboot" role="cell">{_("Reboot")}</span>
</div>
);
}
prepend(item) {
this.logs.unshift(item);
}
append(item) {
this.logs.push(item);
}
remove_first() {
this.logs.shift();
}
remove_last() {
this.logs.pop();
}
limit(max) {
if (this.logs.length > max)
this.logs = this.logs.slice(0, max);
}
}
export class LogsPanel extends React.Component {
constructor() {
super();
this.state = { logs: [] };
}
componentDidMount() {
this.journalctl = journal.journalctl(this.props.match, { count: this.props.max });
const out = new JournalOutput(this.props.search_options);
const render = journal.renderer(out);
this.journalctl.stream((entries) => {
for (let i = 0; i < entries.length; i++)
render.prepend(entries[i]);
render.prepend_flush();
// "max + 1" since there is always a date header and we
// want to show "max" entries below it.
out.limit(this.props.max + 1);
this.setState({ logs: out.logs });
});
}
componentWillUnmount() {
this.journalctl.stop();
}
render() {
const actions = (this.state.logs.length > 0 && this.props.goto_url) && <Button variant="secondary" onClick={e => cockpit.jump(this.props.goto_url)}>{_("View all logs")}</Button>;
return (
<Card className="cockpit-log-panel">
<CardHeader actions={{ actions }}>
<CardTitle>{this.props.title}</CardTitle>
</CardHeader>
<CardBody className={(!this.state.logs.length && this.props.emptyMessage.length) ? "empty-message" : "contains-list"}>
{ this.state.logs.length ? this.state.logs : this.props.emptyMessage }
</CardBody>
</Card>
);
}
}
LogsPanel.defaultProps = {
emptyMessage: [],
};
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