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Initial support for native docker client

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This commit updates the implementation to use a native docker client as
opposed to calling an external executable.
This commit is contained in:
Tom Wiesing 2023-03-04 09:18:36 +01:00
parent 2ee8dfaaec
commit 1855090f26
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9 changed files with 379 additions and 58 deletions
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32
internal/dis/component/stack.go
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@ -2,7 +2,6 @@
package component
import (
"bufio"
"context"
"io"
"io/fs"
@ -15,7 +14,6 @@ import (
"github.com/FAU-CDI/wisski-distillery/pkg/unpack"
"github.com/pkg/errors"
"github.com/tkw1536/goprogram/stream"
"github.com/tkw1536/pkglib/pools"
)
// Stack represents a 'docker compose' stack living in a specific directory
@ -120,36 +118,6 @@ func (ds Stack) Restart(ctx context.Context, progress io.Writer) error {
return nil
}
var errStackPs = errors.New("Stack.Ps: Down returned non-zero exit code")
// Ps returns the ids of the containers currently running
func (ds Stack) Ps(ctx context.Context, progress io.Writer) ([]string, error) {
// create a buffer
buffer := pools.GetBuffer()
defer pools.ReleaseBuffer(buffer)
// read the ids from the command!
code := ds.compose(ctx, stream.NewIOStream(buffer, progress, nil, 0), "ps", "-q")()
if code != 0 {
return nil, errStackPs
}
// scan each of the lines
var results []string
scanner := bufio.NewScanner(buffer)
for scanner.Scan() {
if text := scanner.Text(); text != "" {
results = append(results, text)
}
}
if err := scanner.Err(); err != nil {
return nil, err
}
// return them!
return results, nil
}
var errStackDown = errors.New("Stack.Down: Down returned non-zero exit code")
// Down stops and removes all containers in this Stack.