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feat(desktop): add Docker Desktop detection and client skeleton (#11593)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| /* | ||
| Copyright 2024 Docker Compose CLI authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package desktop | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "net" | ||
| "net/http" | ||
| "strings" | ||
|
|
||
| "github.com/docker/compose/v2/internal/memnet" | ||
| "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp" | ||
| ) | ||
|
|
||
| // Client for integration with Docker Desktop features. | ||
| type Client struct { | ||
| client *http.Client | ||
| } | ||
|
|
||
| // NewClient creates a Desktop integration client for the provided in-memory | ||
| // socket address (AF_UNIX or named pipe). | ||
| func NewClient(apiEndpoint string) *Client { | ||
| var transport http.RoundTripper = &http.Transport{ | ||
| DisableCompression: true, | ||
| DialContext: func(ctx context.Context, _, _ string) (net.Conn, error) { | ||
| return memnet.DialEndpoint(ctx, apiEndpoint) | ||
| }, | ||
| } | ||
| transport = otelhttp.NewTransport(transport) | ||
|
|
||
| c := &Client{ | ||
| client: &http.Client{Transport: transport}, | ||
| } | ||
| return c | ||
| } | ||
|
|
||
| // Close releases any open connections. | ||
| func (c *Client) Close() error { | ||
| c.client.CloseIdleConnections() | ||
| return nil | ||
| } | ||
|
|
||
| type PingResponse struct { | ||
| ServerTime int64 `json:"serverTime"` | ||
| } | ||
|
|
||
| // Ping is a minimal API used to ensure that the server is available. | ||
| func (c *Client) Ping(ctx context.Context) (*PingResponse, error) { | ||
| req, err := http.NewRequestWithContext(ctx, http.MethodGet, backendURL("/ping"), http.NoBody) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| resp, err := c.client.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer func() { | ||
| _ = resp.Body.Close() | ||
| }() | ||
| if resp.StatusCode != http.StatusOK { | ||
| return nil, fmt.Errorf("unexpected status code: %d", resp.StatusCode) | ||
| } | ||
|
|
||
| var ret PingResponse | ||
| if err := json.NewDecoder(resp.Body).Decode(&ret); err != nil { | ||
| return nil, err | ||
| } | ||
| return &ret, nil | ||
| } | ||
|
|
||
| // backendURL generates a URL for the given API path. | ||
| // | ||
| // NOTE: Custom transport handles communication. The host is to create a valid | ||
| // URL for the Go http.Client that is also descriptive in error/logs. | ||
| func backendURL(path string) string { | ||
| return "http://docker-desktop/" + strings.TrimPrefix(path, "/") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /* | ||
| Copyright 2024 Docker Compose CLI authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package desktop | ||
|
|
||
| import ( | ||
| "context" | ||
| ) | ||
|
|
||
| type IntegrationService interface { | ||
| MaybeEnableDesktopIntegration(ctx context.Context) error | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| Copyright 2020 Docker Compose CLI authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package memnet | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net" | ||
| "strings" | ||
| ) | ||
|
|
||
| func DialEndpoint(ctx context.Context, endpoint string) (net.Conn, error) { | ||
| if addr, ok := strings.CutPrefix(endpoint, "unix://"); ok { | ||
| return Dial(ctx, "unix", addr) | ||
| } | ||
| if addr, ok := strings.CutPrefix(endpoint, "npipe://"); ok { | ||
| return Dial(ctx, "npipe", addr) | ||
| } | ||
| return nil, fmt.Errorf("unsupported protocol for address: %s", endpoint) | ||
| } | ||
|
|
||
| func Dial(ctx context.Context, network, addr string) (net.Conn, error) { | ||
| var d net.Dialer | ||
| switch network { | ||
| case "unix": | ||
| if err := validateSocketPath(addr); err != nil { | ||
| return nil, err | ||
| } | ||
| return d.DialContext(ctx, "unix", addr) | ||
| case "npipe": | ||
| // N.B. this will return an error on non-Windows | ||
| return dialNamedPipe(ctx, addr) | ||
| default: | ||
| return nil, fmt.Errorf("unsupported network: %s", network) | ||
| } | ||
| } |
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