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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
package lpfilters
import (
"strconv"
"strings"
"time"
"github.com/containers/podman/v2/libpod"
"github.com/containers/podman/v2/libpod/define"
"github.com/containers/podman/v2/pkg/timetype"
"github.com/containers/podman/v2/pkg/util"
"github.com/pkg/errors"
)
// GenerateContainerFilterFuncs return ContainerFilter functions based of filter.
func GenerateContainerFilterFuncs(filter string, filterValues []string, r *libpod.Runtime) (func(container *libpod.Container) bool, error) {
switch filter {
case "id":
// we only have to match one ID
return func(c *libpod.Container) bool {
return util.StringMatchRegexSlice(c.ID(), filterValues)
}, nil
case "label":
// we have to match that all given labels exits on that container
return func(c *libpod.Container) bool {
labels := c.Labels()
for _, filterValue := range filterValues {
matched := false
filterArray := strings.SplitN(filterValue, "=", 2)
filterKey := filterArray[0]
if len(filterArray) > 1 {
filterValue = filterArray[1]
} else {
filterValue = ""
}
for labelKey, labelValue := range labels {
if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) {
matched = true
break
}
}
if !matched {
return false
}
}
return true
}, nil
case "name":
// we only have to match one name
return func(c *libpod.Container) bool {
return util.StringMatchRegexSlice(c.Name(), filterValues)
}, nil
case "exited":
var exitCodes []int32
for _, exitCode := range filterValues {
ec, err := strconv.ParseInt(exitCode, 10, 32)
if err != nil {
return nil, errors.Wrapf(err, "exited code out of range %q", ec)
}
exitCodes = append(exitCodes, int32(ec))
}
return func(c *libpod.Container) bool {
ec, exited, err := c.ExitCode()
if err == nil && exited {
for _, exitCode := range exitCodes {
if ec == exitCode {
return true
}
}
}
return false
}, nil
case "status":
for _, filterValue := range filterValues {
if !util.StringInSlice(filterValue, []string{"created", "running", "paused", "stopped", "exited", "unknown"}) {
return nil, errors.Errorf("%s is not a valid status", filterValue)
}
}
return func(c *libpod.Container) bool {
status, err := c.State()
if err != nil {
return false
}
state := status.String()
if status == define.ContainerStateConfigured {
state = "created"
} else if status == define.ContainerStateStopped {
state = "exited"
}
for _, filterValue := range filterValues {
if filterValue == "stopped" {
filterValue = "exited"
}
if state == filterValue {
return true
}
}
return false
}, nil
case "ancestor":
// This needs to refine to match docker
// - ancestor=(<image-name>[:tag]|<image-id>| ⟨image@digest⟩) - containers created from an image or a descendant.
return func(c *libpod.Container) bool {
for _, filterValue := range filterValues {
containerConfig := c.Config()
if strings.Contains(containerConfig.RootfsImageID, filterValue) || strings.Contains(containerConfig.RootfsImageName, filterValue) {
return true
}
}
return false
}, nil
case "before":
var createTime time.Time
for _, filterValue := range filterValues {
ctr, err := r.LookupContainer(filterValue)
if err != nil {
return nil, err
}
containerConfig := ctr.Config()
if createTime.IsZero() || createTime.After(containerConfig.CreatedTime) {
createTime = containerConfig.CreatedTime
}
}
return func(c *libpod.Container) bool {
cc := c.Config()
return createTime.After(cc.CreatedTime)
}, nil
case "since":
var createTime time.Time
for _, filterValue := range filterValues {
ctr, err := r.LookupContainer(filterValue)
if err != nil {
return nil, err
}
containerConfig := ctr.Config()
if createTime.IsZero() || createTime.After(containerConfig.CreatedTime) {
createTime = containerConfig.CreatedTime
}
}
return func(c *libpod.Container) bool {
cc := c.Config()
return createTime.Before(cc.CreatedTime)
}, nil
case "volume":
//- volume=(<volume-name>|<mount-point-destination>)
return func(c *libpod.Container) bool {
containerConfig := c.Config()
var dest string
for _, filterValue := range filterValues {
arr := strings.SplitN(filterValue, ":", 2)
source := arr[0]
if len(arr) == 2 {
dest = arr[1]
}
for _, mount := range containerConfig.Spec.Mounts {
if dest != "" && (mount.Source == source && mount.Destination == dest) {
return true
}
if dest == "" && mount.Source == source {
return true
}
}
for _, vname := range containerConfig.NamedVolumes {
if dest != "" && (vname.Name == source && vname.Dest == dest) {
return true
}
if dest == "" && vname.Name == source {
return true
}
}
}
return false
}, nil
case "health":
return func(c *libpod.Container) bool {
hcStatus, err := c.HealthCheckStatus()
if err != nil {
return false
}
for _, filterValue := range filterValues {
if hcStatus == filterValue {
return true
}
}
return false
}, nil
case "until":
if len(filterValues) != 1 {
return nil, errors.Errorf("specify exactly one timestamp for %s", filter)
}
ts, err := timetype.GetTimestamp(filterValues[0], time.Now())
if err != nil {
return nil, err
}
seconds, nanoseconds, err := timetype.ParseTimestamps(ts, 0)
if err != nil {
return nil, err
}
until := time.Unix(seconds, nanoseconds)
return func(c *libpod.Container) bool {
if !until.IsZero() && c.CreatedTime().After((until)) {
return true
}
return false
}, nil
case "pod":
var pods []*libpod.Pod
for _, podNameOrID := range filterValues {
p, err := r.LookupPod(podNameOrID)
if err != nil {
if errors.Cause(err) == define.ErrNoSuchPod {
continue
}
return nil, err
}
pods = append(pods, p)
}
return func(c *libpod.Container) bool {
// if no pods match, quick out
if len(pods) < 1 {
return false
}
// if the container has no pod id, quick out
if len(c.PodID()) < 1 {
return false
}
for _, p := range pods {
// we already looked up by name or id, so id match
// here is ok
if p.ID() == c.PodID() {
return true
}
}
return false
}, nil
}
return nil, errors.Errorf("%s is an invalid filter", filter)
}
|
