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syslog_test.go
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package main
import (
"net"
"testing"
"github.com/stretchr/testify/assert"
)
func TestExtractPriority(t *testing.T) {
buff := []byte("<27>")
start := 0
pri, err := ExtractPriority(buff, &start, len(buff))
assert.Nil(t, err)
assert.Equal(t, pri.Priority, 27)
assert.Equal(t, pri.Facility, 3)
assert.Equal(t, pri.Severity, 3)
}
func TestParseSyslogMessage(t *testing.T) {
m, err := ParseSyslogMessage([]byte("<27>Aug 7 18:33:19 HOSTNAME docker/container-name/id/registry:5000/foobar:12341234[9103]: Hello from Docker."))
assert.Nil(t, err)
value, ok := m.Container.Path("container_name").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "container-name")
value, ok = m.Container.Path("container_id").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "id")
value, ok = m.Container.Path("docker_image").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "registry:5000/foobar:12341234")
}
func TestParseSyslogMessage2(t *testing.T) {
m, err := ParseSyslogMessage([]byte("<27>2016-06-09T04:47:45Z as-ads-brand-i-34d06ca8 docker/ads-publisher-sync/e3088a0601ea/registry.applifier.info:5000/ads-publisher-sync:c48b56ff43e1cce471a19015515a3e4706277d06[1084]: 2016/06/09 04:47:45 Setting up publisher sync service with debugging: true"))
assert.Nil(t, err)
value, ok := m.Container.Path("container_name").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "ads-publisher-sync")
value, ok = m.Container.Path("container_id").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "e3088a0601ea")
value, ok = m.Container.Path("docker_image").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "registry.applifier.info:5000/ads-publisher-sync:c48b56ff43e1cce471a19015515a3e4706277d06")
}
func TestParseSyslogMessage3(t *testing.T) {
m, err := ParseSyslogMessage([]byte("436 <27>1 2017-03-28T10:04:48Z jami-k8s-test-worker-0 k8s_kube-proxy.2023dc8e_kube-proxy-172.16.1.234_kube-system_7daefb93d6c2ac8f5a79211bec23a3f4_11993b80/6bfc10ddb6e2/quay.io/coreos/hyperkube:v1.5.2_coreos.1 2177 k8s_kube-proxy.2023dc8e_kube-proxy-172.16.1.234_kube-system_7daefb93d6c2ac8f5a79211bec23a3f4_11993b80/6bfc10ddb6e2/quay.io/coreos/hyperkube:v1.5.2_coreos.1 I0328 10:04:48.569582 1 server.go:215] Using iptables Proxier."))
assert.Nil(t, err)
value, ok := m.Container.Path("container_name").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "k8s_kube-proxy")
value, ok = m.Container.Path("pod_name").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "k8s_kube-proxy.2023dc8e_kube-proxy-172.16.1.234_kube-system_7daefb93d6c2ac8f5a79211bec23a3f4_11993b80")
value, ok = m.Container.Path("container_id").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "6bfc10ddb6e2")
value, ok = m.Container.Path("docker_image").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "quay.io/coreos/hyperkube:v1.5.2_coreos.1")
}
func TestParseSyslogMessageJSON(t *testing.T) {
m, err := ParseSyslogMessage([]byte("<27>Aug 7 18:33:19 HOSTNAME docker/container-name/id/registry:5000/foobar:123412341234[9103]: {\"service\":\"foobar\",\"level\":\"DEBUG\",\"msg\":\"Hello, World!\\n\"}"))
assert.Nil(t, err)
value, ok := m.Container.Path("msg").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "Hello, World!\n")
value, ok = m.Container.Path("level").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "DEBUG")
value, ok = m.Container.Path("service").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "foobar")
}
func TestParseSyslogMessageWitthISOTimestamp(t *testing.T) {
m, err := ParseSyslogMessage([]byte("<27>2016-06-06T13:24:36Z hvm-ami-builder docker/dreamy_ramanujan/0fc5ec54111c/ubuntu:14.04[27481]: Hello, World!"))
assert.Nil(t, err)
value, ok := m.Container.Path("msg").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "Hello, World!")
}
func TestParseSyslogMessageJSONWitthISOTimestamp(t *testing.T) {
m, err := ParseSyslogMessage([]byte("<27>2016-06-06T13:24:36Z hvm-ami-builder docker/dreamy_ramanujan/0fc5ec54111c/ubuntu:14.04[27481]: {\"service\":\"foobar\",\"level\":\"DEBUG\",\"msg\":\"Hello, World!\\n\"}"))
assert.Nil(t, err)
value, ok := m.Container.Path("msg").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "Hello, World!\n")
value, ok = m.Container.Path("level").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "DEBUG")
value, ok = m.Container.Path("service").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "foobar")
}
func TestParseSyslogMessageJSONWitthISOTimestampAndMessageTimestamp(t *testing.T) {
m, err := ParseSyslogMessage([]byte("<27>2016-06-06T13:24:36Z hvm-ami-builder docker/dreamy_ramanujan/0fc5ec54111c/ubuntu:14.04[27481]: 2016-06-08T12:13:14.123 {\"service\":\"foobar\",\"level\":\"DEBUG\",\"msg\":\"Hello, World!\\n\"}"))
assert.Nil(t, err)
value, ok := m.Container.Path("msg").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "Hello, World!\n")
value, ok = m.Container.Path("level").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "DEBUG")
value, ok = m.Container.Path("service").Data().(string)
assert.Equal(t, ok, true)
assert.Equal(t, value, "foobar")
}
func TestSyslog(t *testing.T) {
s := Syslog{}
s.Messages = make(chan Message)
err := s.Init(9999)
assert.Nil(t, err)
assert.Equal(t, 9999, s.Port)
ServerAddr, err := net.ResolveUDPAddr("udp", "127.0.0.1:9999")
assert.Nil(t, err)
LocalAddr, err := net.ResolveUDPAddr("udp", "127.0.0.1:0")
assert.Nil(t, err)
Conn, err := net.DialUDP("udp", LocalAddr, ServerAddr)
assert.Nil(t, err)
defer Conn.Close()
_, err = Conn.Write([]byte("<27>Aug 7 18:33:19 HOSTNAME docker/hello-world/foobar/5790672ab6a0[9103]: Hello from Docker."))
assert.Nil(t, err)
Conn.Close()
msg := <-s.Messages
value, ok := msg.Container.Path("msg").Data().(string)
assert.Equal(t, true, ok)
assert.Equal(t, "Hello from Docker.", value)
s.Close()
}