Add v3.1 schema and support validating multiple version.

Signed-off-by: Daniel Nephin <dnephin@docker.com>
This commit is contained in:
Daniel Nephin 2017-01-10 17:10:53 -05:00
parent fe5f49685d
commit 65374488f9
5 changed files with 511 additions and 26 deletions

View file

@ -62,16 +62,11 @@ func Load(configDetails types.ConfigDetails) (*types.Config, error) {
}
}
if err := schema.Validate(configDict); err != nil {
if err := schema.Validate(configDict, schema.Version(configDict)); err != nil {
return nil, err
}
cfg := types.Config{}
version := configDict["version"].(string)
if version != "3" && version != "3.0" {
return nil, fmt.Errorf(`Unsupported Compose file version: %#v. The only version supported is "3" (or "3.0")`, version)
}
if services, ok := configDict["services"]; ok {
servicesConfig, err := interpolation.Interpolate(services.(types.Dict), "service", os.LookupEnv)
if err != nil {

File diff suppressed because one or more lines are too long

View file

@ -0,0 +1,426 @@
{
"$schema": "http://json-schema.org/draft-04/schema#",
"id": "config_schema_v3.1.json",
"type": "object",
"required": ["version"],
"properties": {
"version": {
"type": "string"
},
"services": {
"id": "#/properties/services",
"type": "object",
"patternProperties": {
"^[a-zA-Z0-9._-]+$": {
"$ref": "#/definitions/service"
}
},
"additionalProperties": false
},
"networks": {
"id": "#/properties/networks",
"type": "object",
"patternProperties": {
"^[a-zA-Z0-9._-]+$": {
"$ref": "#/definitions/network"
}
}
},
"volumes": {
"id": "#/properties/volumes",
"type": "object",
"patternProperties": {
"^[a-zA-Z0-9._-]+$": {
"$ref": "#/definitions/volume"
}
},
"additionalProperties": false
},
"secrets": {
"id": "#/properties/secrets",
"type": "object",
"patternProperties": {
"^[a-zA-Z0-9._-]+$": {
"$ref": "#/definitions/secret"
}
},
"additionalProperties": false
}
},
"additionalProperties": false,
"definitions": {
"service": {
"id": "#/definitions/service",
"type": "object",
"properties": {
"deploy": {"$ref": "#/definitions/deployment"},
"build": {
"oneOf": [
{"type": "string"},
{
"type": "object",
"properties": {
"context": {"type": "string"},
"dockerfile": {"type": "string"},
"args": {"$ref": "#/definitions/list_or_dict"}
},
"additionalProperties": false
}
]
},
"cap_add": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
"cap_drop": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
"cgroup_parent": {"type": "string"},
"command": {
"oneOf": [
{"type": "string"},
{"type": "array", "items": {"type": "string"}}
]
},
"container_name": {"type": "string"},
"depends_on": {"$ref": "#/definitions/list_of_strings"},
"devices": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
"dns": {"$ref": "#/definitions/string_or_list"},
"dns_search": {"$ref": "#/definitions/string_or_list"},
"domainname": {"type": "string"},
"entrypoint": {
"oneOf": [
{"type": "string"},
{"type": "array", "items": {"type": "string"}}
]
},
"env_file": {"$ref": "#/definitions/string_or_list"},
"environment": {"$ref": "#/definitions/list_or_dict"},
"expose": {
"type": "array",
"items": {
"type": ["string", "number"],
"format": "expose"
},
"uniqueItems": true
},
"external_links": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
"extra_hosts": {"$ref": "#/definitions/list_or_dict"},
"healthcheck": {"$ref": "#/definitions/healthcheck"},
"hostname": {"type": "string"},
"image": {"type": "string"},
"ipc": {"type": "string"},
"labels": {"$ref": "#/definitions/list_or_dict"},
"links": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
"logging": {
"type": "object",
"properties": {
"driver": {"type": "string"},
"options": {
"type": "object",
"patternProperties": {
"^.+$": {"type": ["string", "number", "null"]}
}
}
},
"additionalProperties": false
},
"mac_address": {"type": "string"},
"network_mode": {"type": "string"},
"networks": {
"oneOf": [
{"$ref": "#/definitions/list_of_strings"},
{
"type": "object",
"patternProperties": {
"^[a-zA-Z0-9._-]+$": {
"oneOf": [
{
"type": "object",
"properties": {
"aliases": {"$ref": "#/definitions/list_of_strings"},
"ipv4_address": {"type": "string"},
"ipv6_address": {"type": "string"}
},
"additionalProperties": false
},
{"type": "null"}
]
}
},
"additionalProperties": false
}
]
},
"pid": {"type": ["string", "null"]},
"ports": {
"type": "array",
"items": {
"type": ["string", "number"],
"format": "ports"
},
"uniqueItems": true
},
"privileged": {"type": "boolean"},
"read_only": {"type": "boolean"},
"restart": {"type": "string"},
"security_opt": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
"shm_size": {"type": ["number", "string"]},
"secrets": {
"type": "array",
"items": {
"oneOf": [
{"type": "string"},
{
"type": "object",
"properties": {
"source": {"type": "string"},
"target": {"type": "string"},
"uid": {"type": "string"},
"gid": {"type": "string"},
"mode": {"type": "number"}
}
}
]
}
},
"sysctls": {"$ref": "#/definitions/list_or_dict"},
"stdin_open": {"type": "boolean"},
"stop_signal": {"type": "string"},
"stop_grace_period": {"type": "string", "format": "duration"},
"tmpfs": {"$ref": "#/definitions/string_or_list"},
"tty": {"type": "boolean"},
"ulimits": {
"type": "object",
"patternProperties": {
"^[a-z]+$": {
"oneOf": [
{"type": "integer"},
{
"type":"object",
"properties": {
"hard": {"type": "integer"},
"soft": {"type": "integer"}
},
"required": ["soft", "hard"],
"additionalProperties": false
}
]
}
}
},
"user": {"type": "string"},
"userns_mode": {"type": "string"},
"volumes": {"type": "array", "items": {"type": "string"}, "uniqueItems": true},
"working_dir": {"type": "string"}
},
"additionalProperties": false
},
"healthcheck": {
"id": "#/definitions/healthcheck",
"type": ["object", "null"],
"properties": {
"interval": {"type":"string"},
"timeout": {"type":"string"},
"retries": {"type": "number"},
"test": {
"oneOf": [
{"type": "string"},
{"type": "array", "items": {"type": "string"}}
]
},
"disable": {"type": "boolean"}
},
"additionalProperties": false
},
"deployment": {
"id": "#/definitions/deployment",
"type": ["object", "null"],
"properties": {
"mode": {"type": "string"},
"replicas": {"type": "integer"},
"labels": {"$ref": "#/definitions/list_or_dict"},
"update_config": {
"type": "object",
"properties": {
"parallelism": {"type": "integer"},
"delay": {"type": "string", "format": "duration"},
"failure_action": {"type": "string"},
"monitor": {"type": "string", "format": "duration"},
"max_failure_ratio": {"type": "number"}
},
"additionalProperties": false
},
"resources": {
"type": "object",
"properties": {
"limits": {"$ref": "#/definitions/resource"},
"reservations": {"$ref": "#/definitions/resource"}
}
},
"restart_policy": {
"type": "object",
"properties": {
"condition": {"type": "string"},
"delay": {"type": "string", "format": "duration"},
"max_attempts": {"type": "integer"},
"window": {"type": "string", "format": "duration"}
},
"additionalProperties": false
},
"placement": {
"type": "object",
"properties": {
"constraints": {"type": "array", "items": {"type": "string"}}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"resource": {
"id": "#/definitions/resource",
"type": "object",
"properties": {
"cpus": {"type": "string"},
"memory": {"type": "string"}
},
"additionalProperties": false
},
"network": {
"id": "#/definitions/network",
"type": ["object", "null"],
"properties": {
"driver": {"type": "string"},
"driver_opts": {
"type": "object",
"patternProperties": {
"^.+$": {"type": ["string", "number"]}
}
},
"ipam": {
"type": "object",
"properties": {
"driver": {"type": "string"},
"config": {
"type": "array",
"items": {
"type": "object",
"properties": {
"subnet": {"type": "string"}
},
"additionalProperties": false
}
}
},
"additionalProperties": false
},
"external": {
"type": ["boolean", "object"],
"properties": {
"name": {"type": "string"}
},
"additionalProperties": false
},
"labels": {"$ref": "#/definitions/list_or_dict"}
},
"additionalProperties": false
},
"volume": {
"id": "#/definitions/volume",
"type": ["object", "null"],
"properties": {
"driver": {"type": "string"},
"driver_opts": {
"type": "object",
"patternProperties": {
"^.+$": {"type": ["string", "number"]}
}
},
"external": {
"type": ["boolean", "object"],
"properties": {
"name": {"type": "string"}
}
}
},
"labels": {"$ref": "#/definitions/list_or_dict"},
"additionalProperties": false
},
"secret": {
"id": "#/definitions/secret",
"type": "object",
"properties": {
"file": {"type": "string"},
"external": {
"type": ["boolean", "object"],
"properties": {
"name": {"type": "string"}
}
}
},
"labels": {"$ref": "#/definitions/list_or_dict"},
"additionalProperties": false
},
"string_or_list": {
"oneOf": [
{"type": "string"},
{"$ref": "#/definitions/list_of_strings"}
]
},
"list_of_strings": {
"type": "array",
"items": {"type": "string"},
"uniqueItems": true
},
"list_or_dict": {
"oneOf": [
{
"type": "object",
"patternProperties": {
".+": {
"type": ["string", "number", "null"]
}
},
"additionalProperties": false
},
{"type": "array", "items": {"type": "string"}, "uniqueItems": true}
]
},
"constraints": {
"service": {
"id": "#/definitions/constraints/service",
"anyOf": [
{"required": ["build"]},
{"required": ["image"]}
],
"properties": {
"build": {
"required": ["context"]
}
}
}
}
}
}

View file

@ -7,9 +7,15 @@ import (
"strings"
"time"
"github.com/pkg/errors"
"github.com/xeipuuv/gojsonschema"
)
const (
defaultVersion = "1.0"
versionField = "version"
)
type portsFormatChecker struct{}
func (checker portsFormatChecker) IsFormat(input string) bool {
@ -30,11 +36,29 @@ func init() {
gojsonschema.FormatCheckers.Add("duration", durationFormatChecker{})
}
// Version returns the version of the config, defaulting to version 1.0
func Version(config map[string]interface{}) string {
version, ok := config[versionField]
if !ok {
return defaultVersion
}
return normalizeVersion(fmt.Sprintf("%v", version))
}
func normalizeVersion(version string) string {
switch version {
case "3":
return "3.0"
default:
return version
}
}
// Validate uses the jsonschema to validate the configuration
func Validate(config map[string]interface{}) error {
schemaData, err := Asset("data/config_schema_v3.0.json")
func Validate(config map[string]interface{}, version string) error {
schemaData, err := Asset(fmt.Sprintf("data/config_schema_v%s.json", version))
if err != nil {
return err
return errors.Errorf("unsupported Compose file version: %s", version)
}
schemaLoader := gojsonschema.NewStringLoader(string(schemaData))

View file

@ -8,7 +8,35 @@ import (
type dict map[string]interface{}
func TestValid(t *testing.T) {
func TestValidate(t *testing.T) {
config := dict{
"version": "3.0",
"services": dict{
"foo": dict{
"image": "busybox",
},
},
}
assert.NoError(t, Validate(config, "3.0"))
}
func TestValidateUndefinedTopLevelOption(t *testing.T) {
config := dict{
"version": "3.0",
"helicopters": dict{
"foo": dict{
"image": "busybox",
},
},
}
err := Validate(config, "3.0")
assert.Error(t, err)
assert.Contains(t, err.Error(), "Additional property helicopters is not allowed")
}
func TestValidateInvalidVersion(t *testing.T) {
config := dict{
"version": "2.1",
"services": dict{
@ -18,18 +46,7 @@ func TestValid(t *testing.T) {
},
}
assert.NoError(t, Validate(config))
}
func TestUndefinedTopLevelOption(t *testing.T) {
config := dict{
"version": "2.1",
"helicopters": dict{
"foo": dict{
"image": "busybox",
},
},
}
assert.Error(t, Validate(config))
err := Validate(config, "2.1")
assert.Error(t, err)
assert.Contains(t, err.Error(), "unsupported Compose file version: 2.1")
}