1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2018 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package systemd_test
import (
"log/syslog"
"net"
"os"
"path"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/dirs"
. "github.com/snapcore/snapd/systemd"
)
type journalTestSuite struct {
journalDir string
journalNamespaceDir string
}
var _ = Suite(&journalTestSuite{})
func (j *journalTestSuite) SetUpTest(c *C) {
dirs.SetRootDir(c.MkDir())
j.journalDir = path.Join(dirs.SnapSystemdRunDir, "journal")
c.Assert(os.MkdirAll(j.journalDir, 0755), IsNil)
j.journalNamespaceDir = path.Join(dirs.SnapSystemdRunDir, "journal.test")
c.Assert(os.MkdirAll(j.journalNamespaceDir, 0755), IsNil)
}
func (j *journalTestSuite) TestStreamFileErrorNoIdentifier(c *C) {
jout, err := NewJournalStreamFile(JournalStreamFileParams{
Priority: syslog.LOG_INFO,
})
c.Assert(err, ErrorMatches, "internal error: cannot setup a journal stream without an identifier")
c.Assert(jout, IsNil)
}
func (j *journalTestSuite) TestStreamFileErrorNoPath(c *C) {
jout, err := NewJournalStreamFile(JournalStreamFileParams{
Identifier: "foobar",
Priority: syslog.LOG_INFO,
})
c.Assert(err, ErrorMatches, ".*no such file or directory")
c.Assert(jout, IsNil)
}
func (j *journalTestSuite) testStreamFileHeader(c *C, journalDir, namespace string) {
fakePath := path.Join(journalDir, "stdout")
listener, err := net.ListenUnix("unix", &net.UnixAddr{Name: fakePath})
c.Assert(err, IsNil)
defer listener.Close()
doneCh := make(chan struct{}, 1)
go func() {
defer func() { close(doneCh) }()
// see https://github.com/systemd/systemd/blob/97a33b126c845327a3a19d6e66f05684823868fb/src/journal/journal-send.c#L424
conn, err := listener.AcceptUnix()
c.Assert(err, IsNil)
defer conn.Close()
expectedHdrLen := len("foobar") + 1 + len("foobar.service") + 1 + 2 + 2 + 2 + 2 + 2
hdrBuf := make([]byte, expectedHdrLen)
hdrLen, err := conn.Read(hdrBuf)
c.Assert(err, IsNil)
c.Assert(hdrLen, Equals, expectedHdrLen)
c.Check(hdrBuf, DeepEquals, []byte("foobar\nfoobar.service\n6\n0\n0\n0\n0\n"))
data := make([]byte, 4096)
sz, err := conn.Read(data)
c.Assert(err, IsNil)
c.Assert(sz > 0, Equals, true)
c.Check(data[0:sz], DeepEquals, []byte("hello from unit tests"))
doneCh <- struct{}{}
}()
jout, err := NewJournalStreamFile(JournalStreamFileParams{
Namespace: namespace,
Identifier: "foobar",
UnitName: "foobar.service",
Priority: syslog.LOG_INFO,
})
c.Assert(err, IsNil)
c.Assert(jout, NotNil)
_, err = jout.WriteString("hello from unit tests")
c.Assert(err, IsNil)
defer jout.Close()
<-doneCh
}
func (j *journalTestSuite) TestStreamFileHeader(c *C) {
j.testStreamFileHeader(c, j.journalDir, "")
}
func (j *journalTestSuite) TestNamespaceStream(c *C) {
j.testStreamFileHeader(c, j.journalNamespaceDir, "test")
}
|
