mirror of https://github.com/harness/drone.git
103 lines
3.3 KiB
Go
103 lines
3.3 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package infraprovider
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import (
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"context"
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"fmt"
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"net/http"
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"path/filepath"
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"github.com/harness/gitness/types"
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"github.com/harness/gitness/types/enum"
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"github.com/docker/docker/client"
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"github.com/docker/go-connections/tlsconfig"
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)
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type DockerClientFactory struct {
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config *DockerConfig
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}
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func NewDockerClientFactory(config *DockerConfig) *DockerClientFactory {
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return &DockerClientFactory{config: config}
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}
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// NewDockerClient returns a new docker client created using the docker config and infra.
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func (d *DockerClientFactory) NewDockerClient(
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_ context.Context,
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infra types.Infrastructure,
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) (*client.Client, error) {
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if infra.ProviderType != enum.InfraProviderTypeDocker {
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return nil, fmt.Errorf("infra provider type %s not supported", infra.ProviderType)
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}
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dockerClient, err := d.getClient(infra.InputParameters)
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if err != nil {
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return nil, fmt.Errorf("error creating docker client using infra %+v: %w", infra, err)
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}
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return dockerClient, nil
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}
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func (d *DockerClientFactory) getClient(_ []types.InfraProviderParameter) (*client.Client, error) {
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overrides, err := d.dockerOpts(d.config)
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if err != nil {
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return nil, fmt.Errorf("unable to create docker opts overrides: %w", err)
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}
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opts := append([]client.Opt{client.FromEnv}, overrides...)
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dockerClient, err := client.NewClientWithOpts(opts...)
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if err != nil {
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return nil, fmt.Errorf("unable to create docker client: %w", err)
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}
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return dockerClient, nil
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}
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func (d *DockerClientFactory) getHTTPSClient() (*http.Client, error) {
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options := tlsconfig.Options{
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CAFile: filepath.Join(d.config.DockerCertPath, "ca.pem"),
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CertFile: filepath.Join(d.config.DockerCertPath, "cert.pem"),
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KeyFile: filepath.Join(d.config.DockerCertPath, "key.pem"),
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InsecureSkipVerify: d.config.DockerTLSVerify == "",
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}
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tlsc, err := tlsconfig.Client(options)
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if err != nil {
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return nil, err
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}
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return &http.Client{
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Transport: &http.Transport{TLSClientConfig: tlsc},
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CheckRedirect: client.CheckRedirect,
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}, nil
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}
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// dockerOpts returns back the options to be overridden from docker options set
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// in the environment. If values are specified in gitness, they get preference.
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func (d *DockerClientFactory) dockerOpts(config *DockerConfig) ([]client.Opt, error) {
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var overrides []client.Opt
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if config.DockerHost != "" {
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overrides = append(overrides, client.WithHost(config.DockerHost))
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}
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if config.DockerAPIVersion != "" {
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overrides = append(overrides, client.WithVersion(config.DockerAPIVersion))
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}
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if config.DockerCertPath != "" {
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httpsClient, err := d.getHTTPSClient()
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if err != nil {
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return nil, fmt.Errorf("unable to create https client for docker client: %w", err)
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}
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overrides = append(overrides, client.WithHTTPClient(httpsClient))
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}
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return overrides, nil
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}
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