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
|
package libpod
import (
"context"
"time"
"github.com/pkg/errors"
)
// Contains the public Runtime API for pods
// A PodCreateOption is a functional option which alters the Pod created by
// NewPod
type PodCreateOption func(*Pod) error
// PodFilter is a function to determine whether a pod is included in command
// output. Pods to be outputted are tested using the function. A true return
// will include the pod, a false return will exclude it.
type PodFilter func(*Pod) bool
// RemovePod removes a pod
// If removeCtrs is specified, containers will be removed
// Otherwise, a pod that is not empty will return an error and not be removed
// If force is specified with removeCtrs, all containers will be stopped before
// being removed
// Otherwise, the pod will not be removed if any containers are running
func (r *Runtime) RemovePod(ctx context.Context, p *Pod, removeCtrs, force bool) error {
return r.removePod(ctx, p, removeCtrs, force)
}
// GetPod retrieves a pod by its ID
func (r *Runtime) GetPod(id string) (*Pod, error) {
r.lock.RLock()
defer r.lock.RUnlock()
if !r.valid {
return nil, ErrRuntimeStopped
}
return r.state.Pod(id)
}
// HasPod checks to see if a pod with the given ID exists
func (r *Runtime) HasPod(id string) (bool, error) {
r.lock.RLock()
defer r.lock.RUnlock()
if !r.valid {
return false, ErrRuntimeStopped
}
return r.state.HasPod(id)
}
// ContainerIDsInPod returns the IDs of containers in the pod
func (r *Runtime) ContainerIDsInPod(pod *Pod) ([]string, error) {
r.lock.RLock()
defer r.lock.RUnlock()
if !r.valid {
return nil, ErrRuntimeStopped
}
return r.state.PodContainersByID(pod)
}
// ContainersInPod returns the containers in the pod
func (r *Runtime) ContainersInPod(pod *Pod) ([]*Container, error) {
r.lock.RLock()
defer r.lock.RUnlock()
if !r.valid {
return nil, ErrRuntimeStopped
}
return r.state.PodContainers(pod)
}
// ContainerNamesInPod returns the names of containers in the pod
func (r *Runtime) ContainerNamesInPod(pod *Pod) ([]string, error) {
r.lock.RLock()
defer r.lock.RUnlock()
if !r.valid {
return nil, ErrRuntimeStopped
}
var ctrNames []string
ctrs, err := r.ContainersInPod(pod)
if err != nil {
return nil, err
}
for _, ctr := range ctrs {
ctrNames = append(ctrNames, ctr.Name())
}
return ctrNames, nil
}
// LookupPod retrieves a pod by its name or a partial ID
// If a partial ID is not unique, an error will be returned
func (r *Runtime) LookupPod(idOrName string) (*Pod, error) {
r.lock.RLock()
defer r.lock.RUnlock()
if !r.valid {
return nil, ErrRuntimeStopped
}
return r.state.LookupPod(idOrName)
}
// Pods retrieves all pods
// Filters can be provided which will determine which pods are included in the
// output. Multiple filters are handled by ANDing their output, so only pods
// matching all filters are returned
func (r *Runtime) Pods(filters ...PodFilter) ([]*Pod, error) {
r.lock.RLock()
defer r.lock.RUnlock()
if !r.valid {
return nil, ErrRuntimeStopped
}
pods, err := r.state.AllPods()
if err != nil {
return nil, err
}
podsFiltered := make([]*Pod, 0, len(pods))
for _, pod := range pods {
include := true
for _, filter := range filters {
include = include && filter(pod)
}
if include {
podsFiltered = append(podsFiltered, pod)
}
}
return podsFiltered, nil
}
// GetAllPods retrieves all pods
func (r *Runtime) GetAllPods() ([]*Pod, error) {
r.lock.RLock()
defer r.lock.RUnlock()
if !r.valid {
return nil, ErrRuntimeStopped
}
return r.state.AllPods()
}
// GetLatestPod returns a pod object of the latest created pod.
func (r *Runtime) GetLatestPod() (*Pod, error) {
lastCreatedIndex := -1
var lastCreatedTime time.Time
pods, err := r.GetAllPods()
if err != nil {
return nil, errors.Wrapf(err, "unable to get all pods")
}
if len(pods) == 0 {
return nil, ErrNoSuchPod
}
for podIndex, pod := range pods {
createdTime := pod.config.CreatedTime
if createdTime.After(lastCreatedTime) {
lastCreatedTime = createdTime
lastCreatedIndex = podIndex
}
}
return pods[lastCreatedIndex], nil
}
|
