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portainer/api/docker/client.go
Chaim Lev-Ari 65291c68e9 feat(jobs): add the job execution API
* feat(jobs): add job service interface

* feat(jobs): create job execution api

* style(jobs): remove comment

* feat(jobs): add bindings

* feat(jobs): validate payload different cases

* refactor(jobs): rename endpointJob method

* refactor(jobs): return original error

* feat(jobs): pull image before creating container

* feat(jobs): run jobs with sh

* style(jobs): remove comment

* refactor(jobs): change error names

* feat(jobs): sync pull image

* fix(jobs): close image reader after error check

* style(jobs): remove comment and add docs

* refactor(jobs): inline script command

* fix(jobs): handle pul image error

* refactor(jobs): handle image pull output

* fix(docker): set http client timeout to 100s

* fix(client): remove timeout from http client
2018-10-23 10:03:30 +13:00

101 lines
2.8 KiB
Go

package docker
import (
"net/http"
"strings"
"github.com/docker/docker/client"
"github.com/portainer/portainer"
"github.com/portainer/portainer/crypto"
)
const (
unsupportedEnvironmentType = portainer.Error("Environment not supported")
)
// ClientFactory is used to create Docker clients
type ClientFactory struct {
signatureService portainer.DigitalSignatureService
}
// NewClientFactory returns a new instance of a ClientFactory
func NewClientFactory(signatureService portainer.DigitalSignatureService) *ClientFactory {
return &ClientFactory{
signatureService: signatureService,
}
}
// CreateClient is a generic function to create a Docker client based on
// a specific endpoint configuration
func (factory *ClientFactory) CreateClient(endpoint *portainer.Endpoint) (*client.Client, error) {
if endpoint.Type == portainer.AzureEnvironment {
return nil, unsupportedEnvironmentType
} else if endpoint.Type == portainer.AgentOnDockerEnvironment {
return createAgentClient(endpoint, factory.signatureService)
}
if strings.HasPrefix(endpoint.URL, "unix://") || strings.HasPrefix(endpoint.URL, "npipe://") {
return createLocalClient(endpoint)
}
return createTCPClient(endpoint)
}
func createLocalClient(endpoint *portainer.Endpoint) (*client.Client, error) {
return client.NewClientWithOpts(
client.WithHost(endpoint.URL),
client.WithVersion(portainer.SupportedDockerAPIVersion),
)
}
func createTCPClient(endpoint *portainer.Endpoint) (*client.Client, error) {
httpCli, err := httpClient(endpoint)
if err != nil {
return nil, err
}
return client.NewClientWithOpts(
client.WithHost(endpoint.URL),
client.WithVersion(portainer.SupportedDockerAPIVersion),
client.WithHTTPClient(httpCli),
)
}
func createAgentClient(endpoint *portainer.Endpoint, signatureService portainer.DigitalSignatureService) (*client.Client, error) {
httpCli, err := httpClient(endpoint)
if err != nil {
return nil, err
}
signature, err := signatureService.Sign(portainer.PortainerAgentSignatureMessage)
if err != nil {
return nil, err
}
headers := map[string]string{
portainer.PortainerAgentPublicKeyHeader: signatureService.EncodedPublicKey(),
portainer.PortainerAgentSignatureHeader: signature,
}
return client.NewClientWithOpts(
client.WithHost(endpoint.URL),
client.WithVersion(portainer.SupportedDockerAPIVersion),
client.WithHTTPClient(httpCli),
client.WithHTTPHeaders(headers),
)
}
func httpClient(endpoint *portainer.Endpoint) (*http.Client, error) {
transport := &http.Transport{}
if endpoint.TLSConfig.TLS {
tlsConfig, err := crypto.CreateTLSConfigurationFromDisk(endpoint.TLSConfig.TLSCACertPath, endpoint.TLSConfig.TLSCertPath, endpoint.TLSConfig.TLSKeyPath, endpoint.TLSConfig.TLSSkipVerify)
if err != nil {
return nil, err
}
transport.TLSClientConfig = tlsConfig
}
return &http.Client{
Transport: transport,
}, nil
}