portainer/api/http/proxy/manager.go

100 lines
3.9 KiB
Go

package proxy
import (
"fmt"
"net/http"
"github.com/portainer/portainer/api/dataservices"
"github.com/portainer/portainer/api/http/proxy/factory/kubernetes"
cmap "github.com/orcaman/concurrent-map"
"github.com/portainer/portainer/api/kubernetes/cli"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/docker"
"github.com/portainer/portainer/api/http/proxy/factory"
)
// TODO: contain code related to legacy extension management
type (
// Manager represents a service used to manage proxies to environments(endpoints) and extensions.
Manager struct {
proxyFactory *factory.ProxyFactory
endpointProxies cmap.ConcurrentMap
legacyExtensionProxies cmap.ConcurrentMap
k8sClientFactory *cli.ClientFactory
}
)
// NewManager initializes a new proxy Service
func NewManager(dataStore dataservices.DataStore, signatureService portainer.DigitalSignatureService, tunnelService portainer.ReverseTunnelService, clientFactory *docker.ClientFactory, kubernetesClientFactory *cli.ClientFactory, kubernetesTokenCacheManager *kubernetes.TokenCacheManager) *Manager {
return &Manager{
endpointProxies: cmap.New(),
legacyExtensionProxies: cmap.New(),
k8sClientFactory: kubernetesClientFactory,
proxyFactory: factory.NewProxyFactory(dataStore, signatureService, tunnelService, clientFactory, kubernetesClientFactory, kubernetesTokenCacheManager),
}
}
// CreateAndRegisterEndpointProxy creates a new HTTP reverse proxy based on environment(endpoint) properties and and adds it to the registered proxies.
// It can also be used to create a new HTTP reverse proxy and replace an already registered proxy.
func (manager *Manager) CreateAndRegisterEndpointProxy(endpoint *portainer.Endpoint) (http.Handler, error) {
proxy, err := manager.proxyFactory.NewEndpointProxy(endpoint)
if err != nil {
return nil, err
}
manager.endpointProxies.Set(fmt.Sprint(endpoint.ID), proxy)
return proxy, nil
}
// CreateAgentProxyServer creates a new HTTP reverse proxy based on environment(endpoint) properties and and adds it to the registered proxies.
// It can also be used to create a new HTTP reverse proxy and replace an already registered proxy.
func (manager *Manager) CreateAgentProxyServer(endpoint *portainer.Endpoint) (*factory.ProxyServer, error) {
return manager.proxyFactory.NewAgentProxy(endpoint)
}
// GetEndpointProxy returns the proxy associated to a key
func (manager *Manager) GetEndpointProxy(endpoint *portainer.Endpoint) http.Handler {
proxy, ok := manager.endpointProxies.Get(fmt.Sprint(endpoint.ID))
if !ok {
return nil
}
return proxy.(http.Handler)
}
// DeleteEndpointProxy deletes the proxy associated to a key
// and cleans the k8s environment(endpoint) client cache. DeleteEndpointProxy
// is currently only called for edge connection clean up.
func (manager *Manager) DeleteEndpointProxy(endpointID portainer.EndpointID) {
manager.endpointProxies.Remove(fmt.Sprint(endpointID))
manager.k8sClientFactory.RemoveKubeClient(endpointID)
}
// CreateLegacyExtensionProxy creates a new HTTP reverse proxy for a legacy extension and adds it to the registered proxies
func (manager *Manager) CreateLegacyExtensionProxy(key, extensionAPIURL string) (http.Handler, error) {
proxy, err := manager.proxyFactory.NewLegacyExtensionProxy(extensionAPIURL)
if err != nil {
return nil, err
}
manager.legacyExtensionProxies.Set(key, proxy)
return proxy, nil
}
// GetLegacyExtensionProxy returns a legacy extension proxy associated to a key
func (manager *Manager) GetLegacyExtensionProxy(key string) http.Handler {
proxy, ok := manager.legacyExtensionProxies.Get(key)
if !ok {
return nil
}
return proxy.(http.Handler)
}
// CreateGitlabProxy creates a new HTTP reverse proxy that can be used to send requests to the Gitlab API
func (manager *Manager) CreateGitlabProxy(url string) (http.Handler, error) {
return manager.proxyFactory.NewGitlabProxy(url)
}