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|
package bootstrap
import (
"encoding/base64"
"errors"
"fmt"
"slices"
gitlab "gitlab.com/gitlab-org/api/client-go"
glab_api "gitlab.com/gitlab-org/cli/api"
"gopkg.in/yaml.v3"
)
var _ API = (*apiWrapper)(nil)
func NewAPI(client *gitlab.Client, projectID any) API {
return &apiWrapper{client: client, projectID: projectID}
}
type apiWrapper struct {
client *gitlab.Client
projectID any
}
func (a *apiWrapper) GetDefaultBranch() (string, error) {
project, err := glab_api.GetProject(a.client, a.projectID)
if err != nil {
return "", err
}
return project.DefaultBranch, nil
}
func (a *apiWrapper) GetAgentByName(name string) (*gitlab.Agent, error) {
return glab_api.GetAgentByName(a.client, a.projectID, name)
}
func (a *apiWrapper) RegisterAgent(name string) (*gitlab.Agent, error) {
return glab_api.RegisterAgent(a.client, a.projectID, name)
}
type agentConfig struct {
UserAccess *agentConfigUserAccess `yaml:"user_access"`
}
type agentConfigUserAccess struct {
AccessAs *agentConfigAccessAs `yaml:"access_as"`
Projects []*agentConfigProject `yaml:"projects"`
}
type agentConfigAccessAs struct {
Agent struct{}
}
type agentConfigProject struct {
ID string `yaml:"id"`
}
func (a *apiWrapper) ConfigureAgent(agent *gitlab.Agent, branch string) error {
configPath := fmt.Sprintf(".gitlab/agents/%s/config.yaml", agent.Name)
file, err := glab_api.GetFile(a.client, a.projectID, configPath, branch)
if err != nil && !glab_api.Is404(err) {
return err
}
cfg := agentConfig{}
if glab_api.Is404(err) {
cfg.UserAccess = &agentConfigUserAccess{
AccessAs: &agentConfigAccessAs{Agent: struct{}{}},
Projects: []*agentConfigProject{
{
ID: agent.ConfigProject.PathWithNamespace,
},
},
}
configuredContent, err := yaml.Marshal(cfg)
if err != nil {
return err
}
return glab_api.CreateFile(a.client, a.projectID, configPath, configuredContent, branch)
} else {
content, err := base64.StdEncoding.DecodeString(file.Content)
if err != nil {
return err
}
err = yaml.Unmarshal(content, &cfg)
if err != nil {
return err
}
if cfg.UserAccess == nil {
cfg.UserAccess = &agentConfigUserAccess{
AccessAs: &agentConfigAccessAs{Agent: struct{}{}},
}
}
if !slices.ContainsFunc(cfg.UserAccess.Projects, func(p *agentConfigProject) bool { return p.ID == agent.ConfigProject.PathWithNamespace }) {
cfg.UserAccess.Projects = append(cfg.UserAccess.Projects, &agentConfigProject{ID: agent.ConfigProject.PathWithNamespace})
}
configuredContent, err := yaml.Marshal(cfg)
if err != nil {
return err
}
return glab_api.UpdateFile(a.client, a.projectID, configPath, configuredContent, branch)
}
}
func (a *apiWrapper) ConfigureEnvironment(agentID int, name string, kubernetesNamespace string, fluxResourcePath string) error {
env, err := a.getEnvironmentByName(name)
if err != nil {
return err
}
if env == nil {
_, _, err := a.client.Environments.CreateEnvironment(a.projectID, &gitlab.CreateEnvironmentOptions{
Name: gitlab.Ptr(name),
ClusterAgentID: gitlab.Ptr(agentID),
KubernetesNamespace: gitlab.Ptr(kubernetesNamespace),
FluxResourcePath: gitlab.Ptr(fluxResourcePath),
})
return err
} else {
_, _, err := a.client.Environments.EditEnvironment(a.projectID, env.ID, &gitlab.EditEnvironmentOptions{
Name: gitlab.Ptr(name),
ClusterAgentID: gitlab.Ptr(agentID),
KubernetesNamespace: gitlab.Ptr(kubernetesNamespace),
FluxResourcePath: gitlab.Ptr(fluxResourcePath),
})
return err
}
}
func (a *apiWrapper) CreateAgentToken(agentID int) (*gitlab.AgentToken, error) {
token, _, err := glab_api.CreateAgentToken(a.client, a.projectID, agentID, true)
return token, err
}
func (a *apiWrapper) SyncFile(f file, branch string) error {
return glab_api.SyncFile(a.client, a.projectID, f.path, f.content, branch)
}
func (a *apiWrapper) GetKASAddress() (string, error) {
metadata, err := glab_api.GetMetadata(a.client)
if err != nil {
return "", err
}
if !metadata.KAS.Enabled {
return "", errors.New("KAS is not configured in this GitLab instance. Please contact your administrator.")
}
return metadata.KAS.ExternalURL, nil
}
func (a *apiWrapper) getEnvironmentByName(name string) (*gitlab.Environment, error) {
opts := &gitlab.ListEnvironmentsOptions{
Name: gitlab.Ptr(name),
}
envs, _, err := a.client.Environments.ListEnvironments(a.projectID, opts)
if err != nil {
if glab_api.Is404(err) {
return nil, nil
}
return nil, err
}
if len(envs) == 0 {
return nil, nil
}
return envs[0], nil
}
|
