feat(kube): use local kubectl for all deployments (#5488)

api/http/proxy/factory/agent.go

@@ -6,29 +6,36 @@ import (
 	"net"
 	"net/http"
 	"net/url"
+	"strings"
 
+	"github.com/pkg/errors"
 	portainer "github.com/portainer/portainer/api"
 	"github.com/portainer/portainer/api/crypto"
-	"github.com/portainer/portainer/api/http/proxy/factory/dockercompose"
+	"github.com/portainer/portainer/api/http/proxy/factory/agent"
+	"github.com/portainer/portainer/api/internal/endpointutils"
 )
 
-// ProxyServer provide an extedned proxy with a local server to forward requests
+// ProxyServer provide an extended proxy with a local server to forward requests
 type ProxyServer struct {
 	server *http.Server
 	Port   int
 }
 
-func (factory *ProxyFactory) NewDockerComposeAgentProxy(endpoint *portainer.Endpoint) (*ProxyServer, error) {
+// NewAgentProxy creates a new instance of ProxyServer that wrap http requests with agent headers
+func (factory *ProxyFactory) NewAgentProxy(endpoint *portainer.Endpoint) (*ProxyServer, error) {
+	urlString := endpoint.URL
+	if endpointutils.IsEdgeEndpoint((endpoint)) {
+		tunnel, err := factory.reverseTunnelService.GetActiveTunnel(endpoint)
+		if err != nil {
+			return nil, errors.Wrap(err, "failed starting tunnel")
+		}
 
-	if endpoint.Type == portainer.EdgeAgentOnDockerEnvironment {
-		return &ProxyServer{
-			Port: factory.reverseTunnelService.GetTunnelDetails(endpoint.ID).Port,
-		}, nil
+		urlString = fmt.Sprintf("http://127.0.0.1:%d", tunnel.Port)
 	}
 
-	endpointURL, err := url.Parse(endpoint.URL)
+	endpointURL, err := parseURL(urlString)
 	if err != nil {
-		return nil, err
+		return nil, errors.Wrapf(err, "failed parsing url %s", endpoint.URL)
 	}
 
 	endpointURL.Scheme = "http"
@@ -37,7 +44,7 @@ func (factory *ProxyFactory) NewDockerComposeAgentProxy(endpoint *portainer.Endp
 	if endpoint.TLSConfig.TLS || endpoint.TLSConfig.TLSSkipVerify {
 		config, err := crypto.CreateTLSConfigurationFromDisk(endpoint.TLSConfig.TLSCACertPath, endpoint.TLSConfig.TLSCertPath, endpoint.TLSConfig.TLSKeyPath, endpoint.TLSConfig.TLSSkipVerify)
 		if err != nil {
-			return nil, err
+			return nil, errors.WithMessage(err, "failed generating tls configuration")
 		}
 
 		httpTransport.TLSClientConfig = config
@@ -46,7 +53,7 @@ func (factory *ProxyFactory) NewDockerComposeAgentProxy(endpoint *portainer.Endp
 
 	proxy := newSingleHostReverseProxyWithHostHeader(endpointURL)
 
-	proxy.Transport = dockercompose.NewAgentTransport(factory.signatureService, httpTransport)
+	proxy.Transport = agent.NewTransport(factory.signatureService, httpTransport)
 
 	proxyServer := &ProxyServer{
 		server: &http.Server{
@@ -57,7 +64,7 @@ func (factory *ProxyFactory) NewDockerComposeAgentProxy(endpoint *portainer.Endp
 
 	err = proxyServer.start()
 	if err != nil {
-		return nil, err
+		return nil, errors.Wrap(err, "failed starting proxy server")
 	}
 
 	return proxyServer, nil
@@ -91,3 +98,15 @@ func (proxy *ProxyServer) Close() {
 		proxy.server.Close()
 	}
 }
+
+// parseURL parses the endpointURL using url.Parse.
+//
+// to prevent an error when url has port but no protocol prefix
+// we add `//` prefix if needed
+func parseURL(endpointURL string) (*url.URL, error) {
+	if !strings.HasPrefix(endpointURL, "http") && !strings.HasPrefix(endpointURL, "tcp") && !strings.HasPrefix(endpointURL, "//") {
+		endpointURL = fmt.Sprintf("//%s", endpointURL)
+	}
+
+	return url.Parse(endpointURL)
+}

api/http/proxy/factory/agent/transport.go

@@ -1,4 +1,4 @@
-package dockercompose
+package agent
 
 import (
 	"net/http"
@@ -7,17 +7,17 @@ import (
 )
 
 type (
-	// AgentTransport is an http.Transport wrapper that adds custom http headers to communicate to an Agent
-	AgentTransport struct {
+	// Transport is an http.Transport wrapper that adds custom http headers to communicate to an Agent
+	Transport struct {
 		httpTransport      *http.Transport
 		signatureService   portainer.DigitalSignatureService
 		endpointIdentifier portainer.EndpointID
 	}
 )
 
-// NewAgentTransport returns a new transport that can be used to send signed requests to a Portainer agent
-func NewAgentTransport(signatureService portainer.DigitalSignatureService, httpTransport *http.Transport) *AgentTransport {
-	transport := &AgentTransport{
+// NewTransport returns a new transport that can be used to send signed requests to a Portainer agent
+func NewTransport(signatureService portainer.DigitalSignatureService, httpTransport *http.Transport) *Transport {
+	transport := &Transport{
 		httpTransport:    httpTransport,
 		signatureService: signatureService,
 	}
@@ -26,8 +26,7 @@ func NewAgentTransport(signatureService portainer.DigitalSignatureService, httpT
 }
 
 // RoundTrip is the implementation of the the http.RoundTripper interface
-func (transport *AgentTransport) RoundTrip(request *http.Request) (*http.Response, error) {
-
+func (transport *Transport) RoundTrip(request *http.Request) (*http.Response, error) {
 	signature, err := transport.signatureService.CreateSignature(portainer.PortainerAgentSignatureMessage)
 	if err != nil {
 		return nil, err