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api.go
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api.go
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package api
import (
"bytes"
"context"
"io/ioutil"
"net/url"
"os"
"strings"
"fmt"
"github.com/CircleCI-Public/circleci-cli/client"
"github.com/CircleCI-Public/circleci-cli/logger"
"github.com/Masterminds/semver"
"github.com/pkg/errors"
"github.com/spf13/viper"
yaml "gopkg.in/yaml.v2"
)
// GQLResponseErrors is a slice of errors returned by the GraphQL server. Each
// error message is a key-value pair with the structure "Message: string"
type GQLResponseErrors struct {
Errors []struct {
Message string
}
}
// IntrospectionResponse matches the result from making an introspection query
type IntrospectionResponse struct {
Schema struct {
MutationType struct {
Name string
}
QueryType struct {
Name string
}
Types []struct {
Description string
Fields []struct {
Name string
}
Kind string
Name string
}
} `json:"__schema"`
}
// ConfigResponse is a structure that matches the result of the GQL
// query, so that we can use mapstructure to convert from
// nested maps to a strongly typed struct.
type ConfigResponse struct {
Valid bool
SourceYaml string
OutputYaml string
GQLResponseErrors
}
// The OrbPublishResponse type matches the data shape of the GQL response for
// publishing an orb.
type OrbPublishResponse struct {
Orb Orb
GQLResponseErrors
}
// The OrbPromoteResponse type matches the data shape of the GQL response for
// promoting an orb.
type OrbPromoteResponse struct {
Orb Orb
GQLResponseErrors
}
// CreateNamespaceResponse type matches the data shape of the GQL response for
// creating a namespace
type CreateNamespaceResponse struct {
Namespace struct {
CreatedAt string
ID string
}
GQLResponseErrors
}
// WhoamiResponse type matches the data shape of the GQL response for the current user
type WhoamiResponse struct {
Me struct {
Name string
}
GQLResponseErrors
}
// CreateOrbResponse type matches the data shape of the GQL response for
// creating an orb
type CreateOrbResponse struct {
Orb Orb
GQLResponseErrors
}
// OrbCollection is a container type for multiple orbs to share formatting
// functions on them.
type OrbCollection struct {
Orbs []Orb `json:"orbs"`
Namespace string `json:"namespace,omitempty"`
}
// String returns a text representation of all Orbs, intended for
// direct human use rather than machine use.
func (orbCollection OrbCollection) String() string {
var result string
for _, o := range orbCollection.Orbs {
result += (o.String())
}
return result
}
// OrbVersion represents a single orb version and its source
type OrbVersion struct {
Version string `json:"version"`
Source string `json:"source"`
}
// Orb is a struct for containing the yaml-unmarshaled contents of an orb
type Orb struct {
ID string `json:"-"`
Name string `json:"name"`
Namespace string `json:"-"`
CreatedAt string `json:"-"`
Source string `json:"-"`
// Avoid "Version" since there is a "version" key in the orb source referring
// to the orb schema version
HighestVersion string `json:"version"`
Version string `json:"-"`
Commands map[string]struct{} `json:"-"`
Jobs map[string]struct{} `json:"-"`
Executors map[string]struct{} `json:"-"`
Versions []OrbVersion `json:"versions"`
}
func addOrbElementsToBuffer(buf *bytes.Buffer, name string, elems map[string]struct{}) {
var err error
if len(elems) > 0 {
_, err = buf.WriteString(fmt.Sprintf(" %s:\n", name))
for key := range elems {
_, err = buf.WriteString(fmt.Sprintf(" - %s\n", key))
}
}
// This will never occur. The docs for bytes.Buffer.WriteString says err
// will always be nil. The linter still expects this error to be checked.
if err != nil {
panic(err)
}
}
// String returns a text representation of the Orb contents, intended for
// direct human use rather than machine use. This function will exclude orb
// source and orbs without any versions in its returned string.
func (orb Orb) String() string {
var buffer bytes.Buffer
_, err := buffer.WriteString(fmt.Sprintln(orb.Name, "("+orb.HighestVersion+")"))
if err != nil {
// The WriteString docstring says that it will never return an error
panic(err)
}
addOrbElementsToBuffer(&buffer, "Commands", orb.Commands)
addOrbElementsToBuffer(&buffer, "Jobs", orb.Jobs)
addOrbElementsToBuffer(&buffer, "Executors", orb.Executors)
return buffer.String()
}
// ToError returns all GraphQL errors for a single response concatenated, or
// nil.
func (response GQLResponseErrors) ToError() error {
messages := []string{}
for i := range response.Errors {
messages = append(messages, response.Errors[i].Message)
}
return errors.New(strings.Join(messages, ": "))
}
// EnvEndpointHost pulls the endpoint and host values from viper
func EnvEndpointHost() (string, string) {
return viper.GetString("endpoint"), viper.GetString("host")
}
// GraphQLServerAddress returns the full address to CircleCI GraphQL API server
func GraphQLServerAddress(endpoint string, host string) (string, error) {
// 1. Parse the endpoint
e, err := url.Parse(endpoint)
if err != nil {
return "", errors.Wrapf(err, "Parsing endpoint '%s'", endpoint)
}
// 2. Parse the host
h, err := url.Parse(host)
if err != nil {
return "", errors.Wrapf(err, "Parsing host '%s'", host)
}
if !h.IsAbs() {
return h.String(), fmt.Errorf("Host (%s) must be absolute URL, including scheme", host)
}
// 3. Resolve the two URLs using host as the base
// We use ResolveReference which has specific behavior we can rely for
// older configurations which included the absolute path for the endpoint flag.
//
// https://golang.org/pkg/net/url/#URL.ResolveReference
//
// Specifically this function always returns the reference (endpoint) if provided an absolute URL.
// This way we can safely introduce --host and merge the two.
return h.ResolveReference(e).String(), err
}
// nolint: gosec
func loadYaml(path string) (string, error) {
var err error
var config []byte
if path == "-" {
config, err = ioutil.ReadAll(os.Stdin)
} else {
config, err = ioutil.ReadFile(path)
}
if err != nil {
return "", errors.Wrapf(err, "Could not load config file at %s", path)
}
return string(config), nil
}
// WhoamiQuery returns the result of querying the `/me` endpoint of the API
func WhoamiQuery(ctx context.Context, logger *logger.Logger) (*WhoamiResponse, error) {
response := WhoamiResponse{}
query := `query { me { name } }`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return nil, err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil {
return nil, err
}
return &response, nil
}
func buildAndOrbQuery(ctx context.Context, logger *logger.Logger, configPath string, response interface{}, query string) error {
config, err := loadYaml(configPath)
if err != nil {
return err
}
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("config", config)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, response)
if err != nil {
return errors.Wrap(err, "Unable to validate config")
}
return nil
}
// ConfigQuery calls the GQL API to validate and process config
func ConfigQuery(ctx context.Context, logger *logger.Logger, configPath string) (*ConfigResponse, error) {
var response struct {
BuildConfig struct {
ConfigResponse
}
}
return &response.BuildConfig.ConfigResponse, buildAndOrbQuery(ctx, logger, configPath, &response, `
query ValidateConfig ($config: String!) {
buildConfig(configYaml: $config) {
valid,
errors { message },
sourceYaml,
outputYaml
}
}`)
}
// OrbQuery validated and processes an orb.
func OrbQuery(ctx context.Context, logger *logger.Logger, configPath string) (*ConfigResponse, error) {
var response struct {
OrbConfig struct {
ConfigResponse
}
}
return &response.OrbConfig.ConfigResponse, buildAndOrbQuery(ctx, logger, configPath, &response, `
query ValidateOrb ($config: String!) {
orbConfig(orbYaml: $config) {
valid,
errors { message },
sourceYaml,
outputYaml
}
}`)
}
// OrbPublishByID publishes a new version of an orb by id
func OrbPublishByID(ctx context.Context, logger *logger.Logger,
configPath string, orbID string, orbVersion string) (*Orb, error) {
var response struct {
PublishOrb struct {
OrbPublishResponse
}
}
config, err := loadYaml(configPath)
if err != nil {
return nil, err
}
query := `
mutation($config: String!, $orbId: UUID!, $version: String!) {
publishOrb(
orbId: $orbId,
orbYaml: $config,
version: $version
) {
orb {
version
}
errors { message }
}
}
`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("config", config)
request.Var("orbId", orbID)
request.Var("version", orbVersion)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return nil, err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil {
return nil, errors.Wrap(err, "Unable to publish orb")
}
if len(response.PublishOrb.OrbPublishResponse.Errors) > 0 {
return nil, response.PublishOrb.OrbPublishResponse.ToError()
}
return &response.PublishOrb.OrbPublishResponse.Orb, err
}
// OrbID fetches an orb returning the ID
func OrbID(ctx context.Context, logger *logger.Logger, namespace string, orb string) (string, error) {
name := namespace + "/" + orb
var response struct {
Orb struct {
ID string
}
}
query := `query($name: String!) {
orb(name: $name) {
id
}
}`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("name", name)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return "", err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil {
return "", err
}
if response.Orb.ID == "" {
return "", fmt.Errorf("the %s orb could not be found", name)
}
return response.Orb.ID, nil
}
func createNamespaceWithOwnerID(ctx context.Context, logger *logger.Logger, name string, ownerID string) (*CreateNamespaceResponse, error) {
var response struct {
CreateNamespace struct {
CreateNamespaceResponse
}
}
query := `
mutation($name: String!, $organizationId: UUID!) {
createNamespace(
name: $name,
organizationId: $organizationId
) {
namespace {
id
}
errors {
message
type
}
}
}`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("name", name)
request.Var("organizationId", ownerID)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return nil, err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil {
err = errors.Wrap(err, fmt.Sprintf("Unable to create namespace %s for ownerId %s", name, ownerID))
}
return &response.CreateNamespace.CreateNamespaceResponse, err
}
func getOrganization(ctx context.Context, logger *logger.Logger, organizationName string, organizationVcs string) (string, error) {
var response struct {
Organization struct {
ID string
}
}
query := `
query($organizationName: String!, $organizationVcs: VCSType!) {
organization(
name: $organizationName
vcsType: $organizationVcs
) {
id
}
}`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("organizationName", organizationName)
request.Var("organizationVcs", organizationVcs)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return "", err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil || response.Organization.ID == "" {
err = fmt.Errorf("Unable to find organization %s of vcs-type %s", organizationName, organizationVcs)
}
return response.Organization.ID, err
}
// CreateNamespace creates (reserves) a namespace for an organization
func CreateNamespace(ctx context.Context, logger *logger.Logger, name string, organizationName string, organizationVcs string) (*CreateNamespaceResponse, error) {
organizationID, err := getOrganization(ctx, logger, organizationName, organizationVcs)
if err != nil {
return nil, err
}
return createNamespaceWithOwnerID(ctx, logger, name, organizationID)
}
func getNamespace(ctx context.Context, logger *logger.Logger, name string) (string, error) {
var response struct {
RegistryNamespace struct {
ID string
}
}
query := `
query($name: String!) {
registryNamespace(
name: $name
){
id
}
}`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("name", name)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return "", err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil || response.RegistryNamespace.ID == "" {
err = fmt.Errorf("Unable to find namespace %s", name)
}
return response.RegistryNamespace.ID, err
}
func createOrbWithNsID(ctx context.Context, logger *logger.Logger, name string, namespaceID string) (*CreateOrbResponse, error) {
var response struct {
CreateOrb struct {
CreateOrbResponse
}
}
query := `mutation($name: String!, $registryNamespaceId: UUID!){
createOrb(
name: $name,
registryNamespaceId: $registryNamespaceId
){
orb {
id
}
errors {
message
type
}
}
}`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("name", name)
request.Var("registryNamespaceId", namespaceID)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return nil, err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
return &response.CreateOrb.CreateOrbResponse, err
}
// CreateOrb creates (reserves) an orb within a namespace
func CreateOrb(ctx context.Context, logger *logger.Logger, namespace string, name string) (*CreateOrbResponse, error) {
namespaceID, err := getNamespace(ctx, logger, namespace)
if err != nil {
return nil, err
}
return createOrbWithNsID(ctx, logger, name, namespaceID)
}
// TODO(zzak): this function is not really related to the API. Move it to another package?
func incrementVersion(version string, segment string) (string, error) {
v, err := semver.NewVersion(version)
if err != nil {
return "", err
}
var v2 semver.Version
switch segment {
case "major":
v2 = v.IncMajor()
case "minor":
v2 = v.IncMinor()
case "patch":
v2 = v.IncPatch()
}
return v2.String(), nil
}
// OrbIncrementVersion accepts an orb and segment to increment the orb.
func OrbIncrementVersion(ctx context.Context, logger *logger.Logger, configPath string, namespace string, orb string, segment string) (*Orb, error) {
id, err := OrbID(ctx, logger, namespace, orb)
if err != nil {
return nil, err
}
v, err := OrbLatestVersion(ctx, logger, namespace, orb)
if err != nil {
return nil, err
}
v2, err := incrementVersion(v, segment)
if err != nil {
return nil, err
}
response, err := OrbPublishByID(ctx, logger, configPath, id, v2)
if err != nil {
return nil, err
}
logger.Debug("Bumped %s/%s#%s from %s by %s to %s\n.", namespace, orb, id, v, segment, v2)
return response, nil
}
// OrbLatestVersion finds the latest published version of an orb and returns it.
// If it doesn't find a version, it will return 0.0.0 for the orb's version
func OrbLatestVersion(ctx context.Context, logger *logger.Logger, namespace string, orb string) (string, error) {
name := namespace + "/" + orb
var response struct {
Orb struct {
Versions []struct {
Version string
}
}
}
// This query returns versions sorted by semantic version
query := `query($name: String!) {
orb(name: $name) {
versions(count: 1) {
version
}
}
}`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("name", name)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return "", err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil {
return "", err
}
if len(response.Orb.Versions) != 1 {
return "0.0.0", nil
}
return response.Orb.Versions[0].Version, nil
}
// OrbPromote takes an orb and a development version and increments a semantic release with the given segment.
func OrbPromote(ctx context.Context, logger *logger.Logger, namespace string, orb string, label string, segment string) (*Orb, error) {
id, err := OrbID(ctx, logger, namespace, orb)
if err != nil {
return nil, err
}
v, err := OrbLatestVersion(ctx, logger, namespace, orb)
if err != nil {
return nil, err
}
v2, err := incrementVersion(v, segment)
if err != nil {
return nil, err
}
var response struct {
PromoteOrb struct {
OrbPromoteResponse
}
}
query := `
mutation($orbId: UUID!, $devVersion: String!, $semanticVersion: String!) {
promoteOrb(
orbId: $orbId,
devVersion: $devVersion,
semanticVersion: $semanticVersion
) {
orb {
version
source
}
errors { message }
}
}
`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("orbId", id)
request.Var("devVersion", label)
request.Var("semanticVersion", v2)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return nil, err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil {
return nil, errors.Wrap(err, "Unable to promote orb")
}
if len(response.PromoteOrb.OrbPromoteResponse.Errors) > 0 {
return nil, response.PromoteOrb.OrbPromoteResponse.ToError()
}
return &response.PromoteOrb.OrbPromoteResponse.Orb, err
}
// orbVersionRef is designed to ensure an orb reference fits the orbVersion query where orbVersionRef argument requires a version
func orbVersionRef(orb string) string {
split := strings.Split(orb, "@")
// We're expecting the API to tell us the reference is acceptable
// Without performing a lot of client-side validation
if len(split) > 1 {
return orb
}
// If no version was supplied, append @volatile to the reference
return fmt.Sprintf("%s@%s", split[0], "volatile")
}
// OrbSource gets the source or an orb
func OrbSource(ctx context.Context, logger *logger.Logger, orbRef string) (string, error) {
ref := orbVersionRef(orbRef)
var response struct {
OrbVersion struct {
ID string
Version string
Orb struct {
ID string
}
Source string
}
}
query := `query($orbVersionRef: String!) {
orbVersion(orbVersionRef: $orbVersionRef) {
id
version
orb { id }
source
}
}`
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("orbVersionRef", ref)
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return "", err
}
graphQLclient := client.NewClient(address, logger)
err = graphQLclient.Run(ctx, request, &response)
if err != nil {
return "", err
}
if response.OrbVersion.ID == "" {
return "", fmt.Errorf("the %s orb has never published a revision", orbRef)
}
return response.OrbVersion.Source, nil
}
// ListOrbs queries the API to find all orbs.
// Returns a collection of Orb objects containing their relevant data. Logs
// request and parse errors to the supplied logger.
func ListOrbs(ctx context.Context, logger *logger.Logger, uncertified bool) (*OrbCollection, error) {
// Define a structure that matches the result of the GQL
// query, so that we can use mapstructure to convert from
// nested maps to a strongly typed struct.
type orbList struct {
Orbs struct {
TotalCount int
Edges []struct {
Cursor string
Node struct {
Name string
Versions []struct {
Version string
Source string
}
}
}
PageInfo struct {
HasNextPage bool
}
}
}
query := `
query ListOrbs ($after: String!, $certifiedOnly: Boolean!) {
orbs(first: 20, after: $after, certifiedOnly: $certifiedOnly) {
totalCount,
edges {
cursor
node {
name
versions(count: 1) {
version,
source
}
}
}
pageInfo {
hasNextPage
}
}
}
`
var orbs OrbCollection
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return nil, err
}
graphQLclient := client.NewClient(address, logger)
var result orbList
currentCursor := ""
for {
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("after", currentCursor)
request.Var("certifiedOnly", !uncertified)
err := graphQLclient.Run(ctx, request, &result)
if err != nil {
return nil, errors.Wrap(err, "GraphQL query failed")
}
Orbs:
for i := range result.Orbs.Edges {
edge := result.Orbs.Edges[i]
currentCursor = edge.Cursor
if len(edge.Node.Versions) > 0 {
v := edge.Node.Versions[0]
var o Orb
o.Name = edge.Node.Name
o.HighestVersion = v.Version
for _, v := range edge.Node.Versions {
o.Versions = append(o.Versions, OrbVersion(v))
}
err := yaml.Unmarshal([]byte(edge.Node.Versions[0].Source), &o)
if err != nil {
logger.Error(fmt.Sprintf("Corrupt Orb %s %s", edge.Node.Name, v.Version), err)
continue Orbs
}
orbs.Orbs = append(orbs.Orbs, o)
}
}
if !result.Orbs.PageInfo.HasNextPage {
break
}
}
return &orbs, nil
}
// ListNamespaceOrbs queries the API to find all orbs belonging to the given
// namespace.
// Returns a collection of Orb objects containing their relevant data. Logs
// request and parse errors to the supplied logger.
func ListNamespaceOrbs(ctx context.Context, logger *logger.Logger, namespace string) (*OrbCollection, error) {
// Define a structure that matches the result of the GQL
// query, so that we can use mapstructure to convert from
// nested maps to a strongly typed struct.
type namespaceOrbResponse struct {
RegistryNamespace struct {
Name string
Orbs struct {
Edges []struct {
Cursor string
Node struct {
Name string
Versions []struct {
Version string
Source string
}
}
}
TotalCount int
PageInfo struct {
HasNextPage bool
}
}
}
}
query := `
query namespaceOrbs ($namespace: String, $after: String!) {
registryNamespace(name: $namespace) {
name
orbs(first: 20, after: $after) {
edges {
cursor
node {
versions {
source
version
}
name
}
}
totalCount
pageInfo {
hasNextPage
}
}
}
}
`
var orbs OrbCollection
address, err := GraphQLServerAddress(EnvEndpointHost())
if err != nil {
return nil, err
}
graphQLclient := client.NewClient(address, logger)
var result namespaceOrbResponse
currentCursor := ""
for {
request := client.NewAuthorizedRequest(viper.GetString("token"), query)
request.Var("after", currentCursor)
request.Var("namespace", namespace)
orbs.Namespace = namespace
err := graphQLclient.Run(ctx, request, &result)
if err != nil {
return nil, errors.Wrap(err, "GraphQL query failed")
}
NamespaceOrbs:
for i := range result.RegistryNamespace.Orbs.Edges {
edge := result.RegistryNamespace.Orbs.Edges[i]
currentCursor = edge.Cursor
if len(edge.Node.Versions) > 0 {
v := edge.Node.Versions[0]
// Parse the orb source to print its commands, executors and jobs
var o Orb
o.Name = edge.Node.Name
o.HighestVersion = v.Version
for _, v := range edge.Node.Versions {
o.Versions = append(o.Versions, OrbVersion(v))
}
err := yaml.Unmarshal([]byte(edge.Node.Versions[0].Source), &o)
if err != nil {
logger.Error(fmt.Sprintf("Corrupt Orb %s %s", edge.Node.Name, v.Version), err)
continue NamespaceOrbs
}
orbs.Orbs = append(orbs.Orbs, o)
}
}
if !result.RegistryNamespace.Orbs.PageInfo.HasNextPage {
break
}
}
return &orbs, nil
}
// IntrospectionQuery makes a query on the API asking for bits of the schema
// This query isn't intended to get the entire schema, there are better tools for that.
func IntrospectionQuery(ctx context.Context, logger *logger.Logger) (*IntrospectionResponse, error) {