portainer/api/http/handler/endpoints/endpoint_create.go

588 lines
20 KiB
Go

package endpoints
import (
"errors"
"fmt"
"net"
"net/http"
"net/url"
"runtime"
"strconv"
"strings"
"time"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/libhttp/request"
"github.com/portainer/libhttp/response"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/crypto"
"github.com/portainer/portainer/api/http/client"
"github.com/portainer/portainer/api/internal/edge"
)
type endpointCreatePayload struct {
Name string
URL string
EndpointCreationType endpointCreationEnum
PublicURL string
GroupID int
TLS bool
TLSSkipVerify bool
TLSSkipClientVerify bool
TLSCACertFile []byte
TLSCertFile []byte
TLSKeyFile []byte
AzureApplicationID string
AzureTenantID string
AzureAuthenticationKey string
TagIDs []portainer.TagID
EdgeCheckinInterval int
}
type endpointCreationEnum int
const (
_ endpointCreationEnum = iota
localDockerEnvironment
agentEnvironment
azureEnvironment
edgeAgentEnvironment
localKubernetesEnvironment
)
func (payload *endpointCreatePayload) Validate(r *http.Request) error {
name, err := request.RetrieveMultiPartFormValue(r, "Name", false)
if err != nil {
return errors.New("Invalid environment name")
}
payload.Name = name
endpointCreationType, err := request.RetrieveNumericMultiPartFormValue(r, "EndpointCreationType", false)
if err != nil || endpointCreationType == 0 {
return errors.New("Invalid environment type value. Value must be one of: 1 (Docker environment), 2 (Agent environment), 3 (Azure environment), 4 (Edge Agent environment) or 5 (Local Kubernetes environment)")
}
payload.EndpointCreationType = endpointCreationEnum(endpointCreationType)
groupID, _ := request.RetrieveNumericMultiPartFormValue(r, "GroupID", true)
if groupID == 0 {
groupID = 1
}
payload.GroupID = groupID
var tagIDs []portainer.TagID
err = request.RetrieveMultiPartFormJSONValue(r, "TagIds", &tagIDs, true)
if err != nil {
return errors.New("Invalid TagIds parameter")
}
payload.TagIDs = tagIDs
if payload.TagIDs == nil {
payload.TagIDs = make([]portainer.TagID, 0)
}
useTLS, _ := request.RetrieveBooleanMultiPartFormValue(r, "TLS", true)
payload.TLS = useTLS
if payload.TLS {
skipTLSServerVerification, _ := request.RetrieveBooleanMultiPartFormValue(r, "TLSSkipVerify", true)
payload.TLSSkipVerify = skipTLSServerVerification
skipTLSClientVerification, _ := request.RetrieveBooleanMultiPartFormValue(r, "TLSSkipClientVerify", true)
payload.TLSSkipClientVerify = skipTLSClientVerification
if !payload.TLSSkipVerify {
caCert, _, err := request.RetrieveMultiPartFormFile(r, "TLSCACertFile")
if err != nil {
return errors.New("Invalid CA certificate file. Ensure that the file is uploaded correctly")
}
payload.TLSCACertFile = caCert
}
if !payload.TLSSkipClientVerify {
cert, _, err := request.RetrieveMultiPartFormFile(r, "TLSCertFile")
if err != nil {
return errors.New("Invalid certificate file. Ensure that the file is uploaded correctly")
}
payload.TLSCertFile = cert
key, _, err := request.RetrieveMultiPartFormFile(r, "TLSKeyFile")
if err != nil {
return errors.New("Invalid key file. Ensure that the file is uploaded correctly")
}
payload.TLSKeyFile = key
}
}
switch payload.EndpointCreationType {
case azureEnvironment:
azureApplicationID, err := request.RetrieveMultiPartFormValue(r, "AzureApplicationID", false)
if err != nil {
return errors.New("Invalid Azure application ID")
}
payload.AzureApplicationID = azureApplicationID
azureTenantID, err := request.RetrieveMultiPartFormValue(r, "AzureTenantID", false)
if err != nil {
return errors.New("Invalid Azure tenant ID")
}
payload.AzureTenantID = azureTenantID
azureAuthenticationKey, err := request.RetrieveMultiPartFormValue(r, "AzureAuthenticationKey", false)
if err != nil {
return errors.New("Invalid Azure authentication key")
}
payload.AzureAuthenticationKey = azureAuthenticationKey
default:
endpointURL, err := request.RetrieveMultiPartFormValue(r, "URL", true)
if err != nil {
return errors.New("Invalid environment URL")
}
payload.URL = endpointURL
publicURL, _ := request.RetrieveMultiPartFormValue(r, "PublicURL", true)
payload.PublicURL = publicURL
}
checkinInterval, _ := request.RetrieveNumericMultiPartFormValue(r, "CheckinInterval", true)
payload.EdgeCheckinInterval = checkinInterval
return nil
}
// @id EndpointCreate
// @summary Create a new environment(endpoint)
// @description Create a new environment(endpoint) that will be used to manage an environment(endpoint).
// @description **Access policy**: administrator
// @tags endpoints
// @security ApiKeyAuth
// @security jwt
// @accept multipart/form-data
// @produce json
// @param Name formData string true "Name that will be used to identify this environment(endpoint) (example: my-environment)"
// @param EndpointCreationType formData integer true "Environment(Endpoint) type. Value must be one of: 1 (Local Docker environment), 2 (Agent environment), 3 (Azure environment), 4 (Edge agent environment) or 5 (Local Kubernetes Environment" Enum(1,2,3,4,5)
// @param URL formData string false "URL or IP address of a Docker host (example: docker.mydomain.tld:2375). Defaults to local if not specified (Linux: /var/run/docker.sock, Windows: //./pipe/docker_engine)"
// @param PublicURL formData string false "URL or IP address where exposed containers will be reachable. Defaults to URL if not specified (example: docker.mydomain.tld:2375)"
// @param GroupID formData int false "Environment(Endpoint) group identifier. If not specified will default to 1 (unassigned)."
// @param TLS formData bool false "Require TLS to connect against this environment(endpoint)"
// @param TLSSkipVerify formData bool false "Skip server verification when using TLS"
// @param TLSSkipClientVerify formData bool false "Skip client verification when using TLS"
// @param TLSCACertFile formData file false "TLS CA certificate file"
// @param TLSCertFile formData file false "TLS client certificate file"
// @param TLSKeyFile formData file false "TLS client key file"
// @param AzureApplicationID formData string false "Azure application ID. Required if environment(endpoint) type is set to 3"
// @param AzureTenantID formData string false "Azure tenant ID. Required if environment(endpoint) type is set to 3"
// @param AzureAuthenticationKey formData string false "Azure authentication key. Required if environment(endpoint) type is set to 3"
// @param TagIDs formData []int false "List of tag identifiers to which this environment(endpoint) is associated"
// @param EdgeCheckinInterval formData int false "The check in interval for edge agent (in seconds)"
// @success 200 {object} portainer.Endpoint "Success"
// @failure 400 "Invalid request"
// @failure 500 "Server error"
// @router /endpoints [post]
func (handler *Handler) endpointCreate(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
payload := &endpointCreatePayload{}
err := payload.Validate(r)
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid request payload", err}
}
endpoint, endpointCreationError := handler.createEndpoint(payload)
if endpointCreationError != nil {
return endpointCreationError
}
endpointGroup, err := handler.DataStore.EndpointGroup().EndpointGroup(endpoint.GroupID)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find an environment group inside the database", err}
}
edgeGroups, err := handler.DataStore.EdgeGroup().EdgeGroups()
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve edge groups from the database", err}
}
edgeStacks, err := handler.DataStore.EdgeStack().EdgeStacks()
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve edge stacks from the database", err}
}
relationObject := &portainer.EndpointRelation{
EndpointID: endpoint.ID,
EdgeStacks: map[portainer.EdgeStackID]bool{},
}
if endpoint.Type == portainer.EdgeAgentOnDockerEnvironment || endpoint.Type == portainer.EdgeAgentOnKubernetesEnvironment {
relatedEdgeStacks := edge.EndpointRelatedEdgeStacks(endpoint, endpointGroup, edgeGroups, edgeStacks)
for _, stackID := range relatedEdgeStacks {
relationObject.EdgeStacks[stackID] = true
}
}
err = handler.DataStore.EndpointRelation().Create(relationObject)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist the relation object inside the database", err}
}
return response.JSON(w, endpoint)
}
func (handler *Handler) createEndpoint(payload *endpointCreatePayload) (*portainer.Endpoint, *httperror.HandlerError) {
switch payload.EndpointCreationType {
case azureEnvironment:
return handler.createAzureEndpoint(payload)
case edgeAgentEnvironment:
return handler.createEdgeAgentEndpoint(payload)
case localKubernetesEnvironment:
return handler.createKubernetesEndpoint(payload)
}
endpointType := portainer.DockerEnvironment
if payload.EndpointCreationType == agentEnvironment {
agentPlatform, err := handler.pingAndCheckPlatform(payload)
if err != nil {
return nil, &httperror.HandlerError{http.StatusInternalServerError, "Unable to get environment type", err}
}
if agentPlatform == portainer.AgentPlatformDocker {
endpointType = portainer.AgentOnDockerEnvironment
} else if agentPlatform == portainer.AgentPlatformKubernetes {
endpointType = portainer.AgentOnKubernetesEnvironment
payload.URL = strings.TrimPrefix(payload.URL, "tcp://")
}
}
if payload.TLS {
return handler.createTLSSecuredEndpoint(payload, endpointType)
}
return handler.createUnsecuredEndpoint(payload)
}
func (handler *Handler) createAzureEndpoint(payload *endpointCreatePayload) (*portainer.Endpoint, *httperror.HandlerError) {
credentials := portainer.AzureCredentials{
ApplicationID: payload.AzureApplicationID,
TenantID: payload.AzureTenantID,
AuthenticationKey: payload.AzureAuthenticationKey,
}
httpClient := client.NewHTTPClient()
_, err := httpClient.ExecuteAzureAuthenticationRequest(&credentials)
if err != nil {
return nil, &httperror.HandlerError{http.StatusInternalServerError, "Unable to authenticate against Azure", err}
}
endpointID := handler.DataStore.Endpoint().GetNextIdentifier()
endpoint := &portainer.Endpoint{
ID: portainer.EndpointID(endpointID),
Name: payload.Name,
URL: "https://management.azure.com",
Type: portainer.AzureEnvironment,
GroupID: portainer.EndpointGroupID(payload.GroupID),
PublicURL: payload.PublicURL,
UserAccessPolicies: portainer.UserAccessPolicies{},
TeamAccessPolicies: portainer.TeamAccessPolicies{},
Extensions: []portainer.EndpointExtension{},
AzureCredentials: credentials,
TagIDs: payload.TagIDs,
Status: portainer.EndpointStatusUp,
Snapshots: []portainer.DockerSnapshot{},
Kubernetes: portainer.KubernetesDefault(),
}
err = handler.saveEndpointAndUpdateAuthorizations(endpoint)
if err != nil {
return nil, &httperror.HandlerError{http.StatusInternalServerError, "An error occured while trying to create the environment", err}
}
return endpoint, nil
}
func (handler *Handler) createEdgeAgentEndpoint(payload *endpointCreatePayload) (*portainer.Endpoint, *httperror.HandlerError) {
endpointID := handler.DataStore.Endpoint().GetNextIdentifier()
portainerURL, err := url.Parse(payload.URL)
if err != nil {
return nil, &httperror.HandlerError{http.StatusBadRequest, "Invalid environment URL", err}
}
portainerHost, _, err := net.SplitHostPort(portainerURL.Host)
if err != nil {
portainerHost = portainerURL.Host
}
if portainerHost == "localhost" {
return nil, &httperror.HandlerError{http.StatusBadRequest, "Invalid environment URL", errors.New("cannot use localhost as environment URL")}
}
edgeKey := handler.ReverseTunnelService.GenerateEdgeKey(payload.URL, portainerHost, endpointID)
endpoint := &portainer.Endpoint{
ID: portainer.EndpointID(endpointID),
Name: payload.Name,
URL: portainerHost,
Type: portainer.EdgeAgentOnDockerEnvironment,
GroupID: portainer.EndpointGroupID(payload.GroupID),
TLSConfig: portainer.TLSConfiguration{
TLS: false,
},
UserAccessPolicies: portainer.UserAccessPolicies{},
TeamAccessPolicies: portainer.TeamAccessPolicies{},
Extensions: []portainer.EndpointExtension{},
TagIDs: payload.TagIDs,
Status: portainer.EndpointStatusUp,
Snapshots: []portainer.DockerSnapshot{},
EdgeKey: edgeKey,
EdgeCheckinInterval: payload.EdgeCheckinInterval,
Kubernetes: portainer.KubernetesDefault(),
}
err = handler.saveEndpointAndUpdateAuthorizations(endpoint)
if err != nil {
return nil, &httperror.HandlerError{http.StatusInternalServerError, "An error occured while trying to create the environment", err}
}
return endpoint, nil
}
func (handler *Handler) createUnsecuredEndpoint(payload *endpointCreatePayload) (*portainer.Endpoint, *httperror.HandlerError) {
endpointType := portainer.DockerEnvironment
if payload.URL == "" {
payload.URL = "unix:///var/run/docker.sock"
if runtime.GOOS == "windows" {
payload.URL = "npipe:////./pipe/docker_engine"
}
}
endpointID := handler.DataStore.Endpoint().GetNextIdentifier()
endpoint := &portainer.Endpoint{
ID: portainer.EndpointID(endpointID),
Name: payload.Name,
URL: payload.URL,
Type: endpointType,
GroupID: portainer.EndpointGroupID(payload.GroupID),
PublicURL: payload.PublicURL,
TLSConfig: portainer.TLSConfiguration{
TLS: false,
},
UserAccessPolicies: portainer.UserAccessPolicies{},
TeamAccessPolicies: portainer.TeamAccessPolicies{},
Extensions: []portainer.EndpointExtension{},
TagIDs: payload.TagIDs,
Status: portainer.EndpointStatusUp,
Snapshots: []portainer.DockerSnapshot{},
Kubernetes: portainer.KubernetesDefault(),
}
err := handler.snapshotAndPersistEndpoint(endpoint)
if err != nil {
return nil, err
}
return endpoint, nil
}
func (handler *Handler) createKubernetesEndpoint(payload *endpointCreatePayload) (*portainer.Endpoint, *httperror.HandlerError) {
if payload.URL == "" {
payload.URL = "https://kubernetes.default.svc"
}
endpointID := handler.DataStore.Endpoint().GetNextIdentifier()
endpoint := &portainer.Endpoint{
ID: portainer.EndpointID(endpointID),
Name: payload.Name,
URL: payload.URL,
Type: portainer.KubernetesLocalEnvironment,
GroupID: portainer.EndpointGroupID(payload.GroupID),
PublicURL: payload.PublicURL,
TLSConfig: portainer.TLSConfiguration{
TLS: payload.TLS,
TLSSkipVerify: payload.TLSSkipVerify,
},
UserAccessPolicies: portainer.UserAccessPolicies{},
TeamAccessPolicies: portainer.TeamAccessPolicies{},
Extensions: []portainer.EndpointExtension{},
TagIDs: payload.TagIDs,
Status: portainer.EndpointStatusUp,
Snapshots: []portainer.DockerSnapshot{},
Kubernetes: portainer.KubernetesDefault(),
}
err := handler.snapshotAndPersistEndpoint(endpoint)
if err != nil {
return nil, err
}
return endpoint, nil
}
func (handler *Handler) createTLSSecuredEndpoint(payload *endpointCreatePayload, endpointType portainer.EndpointType) (*portainer.Endpoint, *httperror.HandlerError) {
endpointID := handler.DataStore.Endpoint().GetNextIdentifier()
endpoint := &portainer.Endpoint{
ID: portainer.EndpointID(endpointID),
Name: payload.Name,
URL: payload.URL,
Type: endpointType,
GroupID: portainer.EndpointGroupID(payload.GroupID),
PublicURL: payload.PublicURL,
TLSConfig: portainer.TLSConfiguration{
TLS: payload.TLS,
TLSSkipVerify: payload.TLSSkipVerify,
},
UserAccessPolicies: portainer.UserAccessPolicies{},
TeamAccessPolicies: portainer.TeamAccessPolicies{},
Extensions: []portainer.EndpointExtension{},
TagIDs: payload.TagIDs,
Status: portainer.EndpointStatusUp,
Snapshots: []portainer.DockerSnapshot{},
Kubernetes: portainer.KubernetesDefault(),
}
err := handler.storeTLSFiles(endpoint, payload)
if err != nil {
return nil, err
}
err = handler.snapshotAndPersistEndpoint(endpoint)
if err != nil {
return nil, err
}
return endpoint, nil
}
func (handler *Handler) snapshotAndPersistEndpoint(endpoint *portainer.Endpoint) *httperror.HandlerError {
err := handler.SnapshotService.SnapshotEndpoint(endpoint)
if err != nil {
if strings.Contains(err.Error(), "Invalid request signature") {
err = errors.New("agent already paired with another Portainer instance")
}
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to initiate communications with environment", err}
}
err = handler.saveEndpointAndUpdateAuthorizations(endpoint)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "An error occured while trying to create the environment", err}
}
return nil
}
func (handler *Handler) saveEndpointAndUpdateAuthorizations(endpoint *portainer.Endpoint) error {
endpoint.SecuritySettings = portainer.EndpointSecuritySettings{
AllowVolumeBrowserForRegularUsers: false,
EnableHostManagementFeatures: false,
AllowSysctlSettingForRegularUsers: true,
AllowBindMountsForRegularUsers: true,
AllowPrivilegedModeForRegularUsers: true,
AllowHostNamespaceForRegularUsers: true,
AllowContainerCapabilitiesForRegularUsers: true,
AllowDeviceMappingForRegularUsers: true,
AllowStackManagementForRegularUsers: true,
}
err := handler.DataStore.Endpoint().Create(endpoint)
if err != nil {
return err
}
for _, tagID := range endpoint.TagIDs {
tag, err := handler.DataStore.Tag().Tag(tagID)
if err != nil {
return err
}
tag.Endpoints[endpoint.ID] = true
err = handler.DataStore.Tag().UpdateTag(tagID, tag)
if err != nil {
return err
}
}
return nil
}
func (handler *Handler) storeTLSFiles(endpoint *portainer.Endpoint, payload *endpointCreatePayload) *httperror.HandlerError {
folder := strconv.Itoa(int(endpoint.ID))
if !payload.TLSSkipVerify {
caCertPath, err := handler.FileService.StoreTLSFileFromBytes(folder, portainer.TLSFileCA, payload.TLSCACertFile)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist TLS CA certificate file on disk", err}
}
endpoint.TLSConfig.TLSCACertPath = caCertPath
}
if !payload.TLSSkipClientVerify {
certPath, err := handler.FileService.StoreTLSFileFromBytes(folder, portainer.TLSFileCert, payload.TLSCertFile)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist TLS certificate file on disk", err}
}
endpoint.TLSConfig.TLSCertPath = certPath
keyPath, err := handler.FileService.StoreTLSFileFromBytes(folder, portainer.TLSFileKey, payload.TLSKeyFile)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist TLS key file on disk", err}
}
endpoint.TLSConfig.TLSKeyPath = keyPath
}
return nil
}
func (handler *Handler) pingAndCheckPlatform(payload *endpointCreatePayload) (portainer.AgentPlatform, error) {
httpCli := &http.Client{
Timeout: 3 * time.Second,
}
if payload.TLS {
tlsConfig, err := crypto.CreateTLSConfigurationFromBytes(payload.TLSCACertFile, payload.TLSCertFile, payload.TLSKeyFile, payload.TLSSkipVerify, payload.TLSSkipClientVerify)
if err != nil {
return 0, err
}
httpCli.Transport = &http.Transport{
TLSClientConfig: tlsConfig,
}
}
url, err := url.Parse(fmt.Sprintf("%s/ping", payload.URL))
if err != nil {
return 0, err
}
url.Scheme = "https"
req, err := http.NewRequest(http.MethodGet, url.String(), nil)
if err != nil {
return 0, err
}
resp, err := httpCli.Do(req)
if err != nil {
return 0, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusNoContent {
return 0, fmt.Errorf("Failed request with status %d", resp.StatusCode)
}
agentPlatformHeader := resp.Header.Get(portainer.HTTPResponseAgentPlatform)
if agentPlatformHeader == "" {
return 0, errors.New("Agent Platform Header is missing")
}
agentPlatformNumber, err := strconv.Atoi(agentPlatformHeader)
if err != nil {
return 0, err
}
if agentPlatformNumber == 0 {
return 0, errors.New("Agent platform is invalid")
}
return portainer.AgentPlatform(agentPlatformNumber), nil
}