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
|
package shared
import (
"github.com/containers/libpod/libpod"
cc "github.com/containers/libpod/pkg/spec"
"github.com/docker/go-connections/nat"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
// InspectContainer holds all inspect data for a container.
// The format of individual components is fixed so the overall structure, when
// JSON encoded, matches the output of `docker inspect`.
// It combines Libpod-source inspect data with Podman-specific inspect data.
type InspectContainer struct {
*libpod.InspectContainerData
HostConfig *InspectContainerHostConfig `json:"HostConfig"`
}
// InspectContainerHostConfig holds Container configuration that is not specific
// to Libpod. This information is (mostly) stored by Podman as an artifact.
// This struct is matched to the output of `docker inspect`.
type InspectContainerHostConfig struct {
ContainerIDFile string `json:"ContainerIDFile"`
LogConfig *InspectLogConfig `json:"LogConfig"` //TODO
NetworkMode string `json:"NetworkMode"`
PortBindings nat.PortMap `json:"PortBindings"` //TODO
AutoRemove bool `json:"AutoRemove"`
CapAdd []string `json:"CapAdd"`
CapDrop []string `json:"CapDrop"`
DNS []string `json:"DNS"`
DNSOptions []string `json:"DNSOptions"`
DNSSearch []string `json:"DNSSearch"`
ExtraHosts []string `json:"ExtraHosts"`
GroupAdd []uint32 `json:"GroupAdd"`
IpcMode string `json:"IpcMode"`
Cgroup string `json:"Cgroup"`
OomScoreAdj *int `json:"OomScoreAdj"`
PidMode string `json:"PidMode"`
Privileged bool `json:"Privileged"`
PublishAllPorts bool `json:"PublishAllPorts"` //TODO
ReadOnlyRootfs bool `json:"ReadonlyRootfs"`
ReadOnlyTmpfs bool `json:"ReadonlyTmpfs"`
SecurityOpt []string `json:"SecurityOpt"`
UTSMode string `json:"UTSMode"`
UsernsMode string `json:"UsernsMode"`
ShmSize int64 `json:"ShmSize"`
Runtime string `json:"Runtime"`
ConsoleSize *specs.Box `json:"ConsoleSize"`
CPUShares *uint64 `json:"CpuShares"`
Memory int64 `json:"Memory"`
NanoCPUs int `json:"NanoCpus"`
CgroupParent string `json:"CgroupParent"`
BlkioWeight *uint16 `json:"BlkioWeight"`
BlkioWeightDevice []specs.LinuxWeightDevice `json:"BlkioWeightDevice"`
BlkioDeviceReadBps []specs.LinuxThrottleDevice `json:"BlkioDeviceReadBps"`
BlkioDeviceWriteBps []specs.LinuxThrottleDevice `json:"BlkioDeviceWriteBps"`
BlkioDeviceReadIOps []specs.LinuxThrottleDevice `json:"BlkioDeviceReadIOps"`
BlkioDeviceWriteIOps []specs.LinuxThrottleDevice `json:"BlkioDeviceWriteIOps"`
CPUPeriod *uint64 `json:"CpuPeriod"`
CPUQuota *int64 `json:"CpuQuota"`
CPURealtimePeriod *uint64 `json:"CpuRealtimePeriod"`
CPURealtimeRuntime *int64 `json:"CpuRealtimeRuntime"`
CPUSetCPUs string `json:"CpuSetCpus"`
CPUSetMems string `json:"CpuSetMems"`
Devices []specs.LinuxDevice `json:"Devices"`
DiskQuota int `json:"DiskQuota"` //check type, TODO
KernelMemory *int64 `json:"KernelMemory"`
MemoryReservation *int64 `json:"MemoryReservation"`
MemorySwap *int64 `json:"MemorySwap"`
MemorySwappiness *uint64 `json:"MemorySwappiness"`
OomKillDisable *bool `json:"OomKillDisable"`
PidsLimit *int64 `json:"PidsLimit"`
Ulimits []string `json:"Ulimits"`
CPUCount int `json:"CpuCount"`
CPUPercent int `json:"CpuPercent"`
IOMaximumIOps int `json:"IOMaximumIOps"` //check type, TODO
IOMaximumBandwidth int `json:"IOMaximumBandwidth"` //check type, TODO
Tmpfs []string `json:"Tmpfs"`
}
// InspectLogConfig holds information about a container's configured log driver
// and is presently unused. It is retained for Docker compatability.
type InspectLogConfig struct {
Type string `json:"Type"`
Config map[string]string `json:"Config"` //idk type, TODO
}
// GetCtrInspectInfo inspects a container, combining Libpod inspect information
// with other information not stored in Libpod and returning a struct that, when
// formatted for JSON output, is compatible with `docker inspect`.
func GetCtrInspectInfo(config *libpod.ContainerConfig, ctrInspectData *libpod.InspectContainerData, createArtifact *cc.CreateConfig) (*InspectContainer, error) {
spec := config.Spec
cpus, mems, period, quota, realtimePeriod, realtimeRuntime, shares := getCPUInfo(spec)
blkioWeight, blkioWeightDevice, blkioReadBps, blkioWriteBps, blkioReadIOPS, blkioeWriteIOPS := getBLKIOInfo(spec)
memKernel, memReservation, memSwap, memSwappiness, memDisableOOMKiller := getMemoryInfo(spec)
pidsLimit := getPidsInfo(spec)
cgroup := getCgroup(spec)
logConfig := InspectLogConfig{
config.LogDriver,
make(map[string]string),
}
data := &InspectContainer{
ctrInspectData,
&InspectContainerHostConfig{
ConsoleSize: spec.Process.ConsoleSize,
OomScoreAdj: spec.Process.OOMScoreAdj,
CPUShares: shares,
BlkioWeight: blkioWeight,
BlkioWeightDevice: blkioWeightDevice,
BlkioDeviceReadBps: blkioReadBps,
BlkioDeviceWriteBps: blkioWriteBps,
BlkioDeviceReadIOps: blkioReadIOPS,
BlkioDeviceWriteIOps: blkioeWriteIOPS,
CPUPeriod: period,
CPUQuota: quota,
CPURealtimePeriod: realtimePeriod,
CPURealtimeRuntime: realtimeRuntime,
CPUSetCPUs: cpus,
CPUSetMems: mems,
Devices: spec.Linux.Devices,
KernelMemory: memKernel,
LogConfig: &logConfig,
MemoryReservation: memReservation,
MemorySwap: memSwap,
MemorySwappiness: memSwappiness,
OomKillDisable: memDisableOOMKiller,
PidsLimit: pidsLimit,
Privileged: config.Privileged,
ReadOnlyRootfs: spec.Root.Readonly,
ReadOnlyTmpfs: createArtifact.ReadOnlyTmpfs,
Runtime: config.OCIRuntime,
NetworkMode: string(createArtifact.NetMode),
IpcMode: string(createArtifact.IpcMode),
Cgroup: cgroup,
UTSMode: string(createArtifact.UtsMode),
UsernsMode: string(createArtifact.UsernsMode),
GroupAdd: spec.Process.User.AdditionalGids,
ContainerIDFile: createArtifact.CidFile,
AutoRemove: createArtifact.Rm,
CapAdd: createArtifact.CapAdd,
CapDrop: createArtifact.CapDrop,
DNS: createArtifact.DNSServers,
DNSOptions: createArtifact.DNSOpt,
DNSSearch: createArtifact.DNSSearch,
PidMode: string(createArtifact.PidMode),
CgroupParent: createArtifact.CgroupParent,
ShmSize: createArtifact.Resources.ShmSize,
Memory: createArtifact.Resources.Memory,
Ulimits: createArtifact.Resources.Ulimit,
SecurityOpt: createArtifact.SecurityOpts,
Tmpfs: createArtifact.Tmpfs,
},
}
return data, nil
}
func getCPUInfo(spec *specs.Spec) (string, string, *uint64, *int64, *uint64, *int64, *uint64) {
if spec.Linux.Resources == nil {
return "", "", nil, nil, nil, nil, nil
}
cpu := spec.Linux.Resources.CPU
if cpu == nil {
return "", "", nil, nil, nil, nil, nil
}
return cpu.Cpus, cpu.Mems, cpu.Period, cpu.Quota, cpu.RealtimePeriod, cpu.RealtimeRuntime, cpu.Shares
}
func getBLKIOInfo(spec *specs.Spec) (*uint16, []specs.LinuxWeightDevice, []specs.LinuxThrottleDevice, []specs.LinuxThrottleDevice, []specs.LinuxThrottleDevice, []specs.LinuxThrottleDevice) {
if spec.Linux.Resources == nil {
return nil, nil, nil, nil, nil, nil
}
blkio := spec.Linux.Resources.BlockIO
if blkio == nil {
return nil, nil, nil, nil, nil, nil
}
return blkio.Weight, blkio.WeightDevice, blkio.ThrottleReadBpsDevice, blkio.ThrottleWriteBpsDevice, blkio.ThrottleReadIOPSDevice, blkio.ThrottleWriteIOPSDevice
}
func getMemoryInfo(spec *specs.Spec) (*int64, *int64, *int64, *uint64, *bool) {
if spec.Linux.Resources == nil {
return nil, nil, nil, nil, nil
}
memory := spec.Linux.Resources.Memory
if memory == nil {
return nil, nil, nil, nil, nil
}
return memory.Kernel, memory.Reservation, memory.Swap, memory.Swappiness, memory.DisableOOMKiller
}
func getPidsInfo(spec *specs.Spec) *int64 {
if spec.Linux.Resources == nil {
return nil
}
pids := spec.Linux.Resources.Pids
if pids == nil {
return nil
}
return &pids.Limit
}
func getCgroup(spec *specs.Spec) string {
cgroup := "host"
for _, ns := range spec.Linux.Namespaces {
if ns.Type == specs.CgroupNamespace && ns.Path != "" {
cgroup = "container"
}
}
return cgroup
}
|
