cniguru 0.2.0

Troubleshooting tool for docker and kubernetes networking 
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
123
124
125
126
127
128
129
130
131
132
133
134
135

use super::{parse_ip_link_or_addr_printout, VethIntf};

#[test]
fn test_parse_ip_link_printout_basic() {
    let s = r#"1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: vethc3cef48b@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP mode DEFAULT group default
    link/ether e6:93:28:78:39:99 brd ff:ff:ff:ff:ff:ff link-netnsid 0
3: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
    link/ether c8:5b:76:72:53:46 brd ff:ff:ff:ff:ff:ff
4: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DORMANT group default qlen 1000
    link/ether e4:a7:a0:61:3d:3e brd ff:ff:ff:ff:ff:ff
9: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default
    link/ether 02:42:1b:7f:0d:5e brd ff:ff:ff:ff:ff:ff
11: wwp0s20f0u5c2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
    link/ether 02:1e:10:1f:00:00 brd ff:ff:ff:ff:ff:ff
12: flannel.1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN mode DEFAULT group default
    link/ether da:1f:7a:e1:59:58 brd ff:ff:ff:ff:ff:ff
13: cni0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP mode DEFAULT group default qlen 1000
    link/ether 5a:02:70:6b:57:1e brd ff:ff:ff:ff:ff:ff
14: veth551a254e@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP mode DEFAULT group default
    link/ether 12:56:7d:9f:80:15 brd ff:ff:ff:ff:ff:ff link-netnsid 1"#;

    let exp = vec![
        VethIntf {
            name: "vethc3cef48b".into(),
            ifindex: 2,
            peer_ifindex: 3,
            bridge: Some("cni0".into()),
            mtu: 1450,
            mac_address: "e6:93:28:78:39:99".into(),
            ip_address: None,
        },
        VethIntf {
            name: "veth551a254e".into(),
            ifindex: 14,
            peer_ifindex: 3,
            bridge: Some("cni0".into()),
            mtu: 1450,
            mac_address: "12:56:7d:9f:80:15".into(),
            ip_address: None,
        },
    ];

    let got = parse_ip_link_or_addr_printout(s).unwrap();

    assert_eq!(exp, got);
}

#[test]
fn test_parse_ip_link_printout_multus() {
    let s = r#"610: veth987c7292@if5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master bla-bla-int0 state UP mode DEFAULT group default
    link/ether 46:ed:60:c6:e9:73 brd ff:ff:ff:ff:ff:ff link-netnsid 6"#;

    let exp = vec![VethIntf {
        name: "veth987c7292".into(),
        ifindex: 610,
        peer_ifindex: 5,
        bridge: Some("bla-bla-int0".into()),
        mtu: 1500,
        mac_address: "46:ed:60:c6:e9:73".into(),
        ip_address: None,
    }];

    let got = parse_ip_link_or_addr_printout(s).unwrap();

    assert_eq!(exp, got);
}

#[test]
fn test_parse_ip_addr_printout_multus() {
    let s = r#"1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
3: eth0@if545: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1460 qdisc noqueue state UP group default
    link/ether 0a:58:0a:f4:00:d8 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 10.244.0.216/24 scope global eth0
       valid_lft forever preferred_lft forever
5: net0@if546: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
    link/ether 0a:58:15:17:5f:01 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 21.23.95.1/25 scope global net0
       valid_lft forever preferred_lft forever
7: net1@if547: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
    link/ether 0a:58:15:17:60:01 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 21.23.96.1/25 scope global net1
       valid_lft forever preferred_lft forever
9: net2@if548: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
    link/ether 0a:58:15:17:61:01 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 21.23.97.1/25 scope global net2
       valid_lft forever preferred_lft forever"#;

    let exp = vec![
        VethIntf {
            name: "eth0".into(),
            ifindex: 3,
            peer_ifindex: 545,
            bridge: None,
            mtu: 1460,
            mac_address: "0a:58:0a:f4:00:d8".into(),
            ip_address: Some("10.244.0.216/24".into()),
        },
        VethIntf {
            name: "net0".into(),
            ifindex: 5,
            peer_ifindex: 546,
            bridge: None,
            mtu: 1500,
            mac_address: "0a:58:15:17:5f:01".into(),
            ip_address: Some("21.23.95.1/25".into()),
        },
        VethIntf {
            name: "net1".into(),
            ifindex: 7,
            peer_ifindex: 547,
            bridge: None,
            mtu: 1500,
            mac_address: "0a:58:15:17:60:01".into(),
            ip_address: Some("21.23.96.1/25".into()),
        },
        VethIntf {
            name: "net2".into(),
            ifindex: 9,
            peer_ifindex: 548,
            bridge: None,
            mtu: 1500,
            mac_address: "0a:58:15:17:61:01".into(),
            ip_address: Some("21.23.97.1/25".into()),
        },
    ];

    let got = parse_ip_link_or_addr_printout(s).unwrap();

    assert_eq!(exp, got);
}