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Add Cgroups to runtime config

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This will create the list of cgroups specified

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2017-11-16 16:08:09 +00:00
parent a14db39956
commit c9bb1ecdf1
3 changed files with 5 additions and 0 deletions
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1
docs/yaml.md
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@ -183,6 +183,7 @@ permissions issues in use.
In addition to the parts of the specification above used to generate the OCI spec, there is a `runtime` section in the image specification In addition to the parts of the specification above used to generate the OCI spec, there is a `runtime` section in the image specification
which specifies some actions to take place when the container is being started. which specifies some actions to take place when the container is being started.
- `cgroups` takes a list of cgroups that will be created before the container is run.
- `mounts` takes a list of mount specifications (`source`, `destination`, `type`, `options`) and mounts them in the root namespace before the container is created. It will - `mounts` takes a list of mount specifications (`source`, `destination`, `type`, `options`) and mounts them in the root namespace before the container is created. It will
try to make any missing destination directories. try to make any missing destination directories.
- `mkdir` takes a list of directories to create at runtime, in the root mount namespace. These are created before the container is started, so they can be used to create - `mkdir` takes a list of directories to create at runtime, in the root mount namespace. These are created before the container is started, so they can be used to create

3
src/moby/config.go
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@ -100,6 +100,7 @@ type Image struct {
// Runtime is the type of config processed at runtime, not used to build the OCI spec // Runtime is the type of config processed at runtime, not used to build the OCI spec
type Runtime struct { type Runtime struct {
Cgroups *[]string `yaml:"cgroups" json:"cgroups,omitempty"`
Mounts *[]specs.Mount `yaml:"mounts" json:"mounts,omitempty"` Mounts *[]specs.Mount `yaml:"mounts" json:"mounts,omitempty"`
Mkdir *[]string `yaml:"mkdir" json:"mkdir,omitempty"` Mkdir *[]string `yaml:"mkdir" json:"mkdir,omitempty"`
Interfaces *[]Interface `yaml:"interfaces" json:"interfaces,omitempty"` Interfaces *[]Interface `yaml:"interfaces" json:"interfaces,omitempty"`
@ -570,10 +571,12 @@ func assignRuntime(v1, v2 *Runtime) Runtime {
if v2 == nil { if v2 == nil {
v2 = &Runtime{} v2 = &Runtime{}
} }
runtimeCgroups := assignStrings(v1.Cgroups, v2.Cgroups)
runtimeMounts := assignBinds(v1.Mounts, v2.Mounts) runtimeMounts := assignBinds(v1.Mounts, v2.Mounts)
runtimeMkdir := assignStrings(v1.Mkdir, v2.Mkdir) runtimeMkdir := assignStrings(v1.Mkdir, v2.Mkdir)
runtimeInterfaces := assignRuntimeInterfaceArray(v1.Interfaces, v2.Interfaces) runtimeInterfaces := assignRuntimeInterfaceArray(v1.Interfaces, v2.Interfaces)
runtime := Runtime{ runtime := Runtime{
Cgroups: &runtimeCgroups,
Mounts: &runtimeMounts, Mounts: &runtimeMounts,
Mkdir: &runtimeMkdir, Mkdir: &runtimeMkdir,
Interfaces: &runtimeInterfaces, Interfaces: &runtimeInterfaces,

1
src/moby/schema.go
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@ -239,6 +239,7 @@ var schema = string(`
"type": "object", "type": "object",
"additionalProperties": false, "additionalProperties": false,
"properties": { "properties": {
"cgroups": {"$ref": "#/definitions/strings"},
"mounts": {"$ref": "#/definitions/mounts"}, "mounts": {"$ref": "#/definitions/mounts"},
"mkdir": {"$ref": "#/definitions/strings"}, "mkdir": {"$ref": "#/definitions/strings"},
"interfaces": {"$ref": "#/definitions/interfaces"}, "interfaces": {"$ref": "#/definitions/interfaces"},