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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2020-10-02 07:29:46 -0400
committerGitHub <noreply@github.com>2020-10-02 07:29:46 -0400
commitff3aa2b3d1b9765e0f09ed15dcf160065b54c889 (patch)
tree3eff99d32022745a6e5c5900cd40b8550cf47125 /pkg/domain
parent51851e10ba7d18ceb5ed3c263cc2e044da5d60ae (diff)
parent04dddbbf7f85824f4917ff8f62eed27301088090 (diff)
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Merge pull request #7867 from vrothberg/fix-7837
remote: fix name and ID collisions of containers and pods
Diffstat (limited to 'pkg/domain')
-rw-r--r--pkg/domain/infra/tunnel/helpers.go92
1 files changed, 68 insertions, 24 deletions
diff --git a/pkg/domain/infra/tunnel/helpers.go b/pkg/domain/infra/tunnel/helpers.go
index 5944f855a..7d28f1bd3 100644
--- a/pkg/domain/infra/tunnel/helpers.go
+++ b/pkg/domain/infra/tunnel/helpers.go
@@ -2,74 +2,118 @@ package tunnel
import (
"context"
- "strings"
"github.com/containers/podman/v2/libpod/define"
"github.com/containers/podman/v2/pkg/bindings"
"github.com/containers/podman/v2/pkg/bindings/containers"
"github.com/containers/podman/v2/pkg/bindings/pods"
"github.com/containers/podman/v2/pkg/domain/entities"
- "github.com/containers/podman/v2/pkg/util"
+ "github.com/containers/podman/v2/pkg/errorhandling"
"github.com/pkg/errors"
)
+// FIXME: the `ignore` parameter is very likely wrong here as it should rather
+// be used on *errors* from operations such as remove.
func getContainersByContext(contextWithConnection context.Context, all, ignore bool, namesOrIDs []string) ([]entities.ListContainer, error) {
- var (
- cons []entities.ListContainer
- )
if all && len(namesOrIDs) > 0 {
return nil, errors.New("cannot lookup containers and all")
}
- c, err := containers.List(contextWithConnection, nil, bindings.PTrue, nil, nil, bindings.PTrue)
+
+ allContainers, err := containers.List(contextWithConnection, nil, bindings.PTrue, nil, nil, bindings.PTrue)
if err != nil {
return nil, err
}
if all {
- return c, err
+ return allContainers, err
}
- for _, id := range namesOrIDs {
- var found bool
- for _, con := range c {
- if id == con.ID || strings.HasPrefix(con.ID, id) || util.StringInSlice(id, con.Names) {
- cons = append(cons, con)
+
+ // Note: it would be nicer if the lists endpoint would support that as
+ // we could use the libpod backend for looking up containers rather
+ // than risking diverging the local and remote lookups.
+ //
+ // A `--filter nameOrId=abc` that can be specified multiple times would
+ // be awesome to have.
+ filtered := []entities.ListContainer{}
+ for _, nameOrID := range namesOrIDs {
+ // First determine if the container exists by doing an inspect.
+ // Inspect takes supports names and IDs and let's us determine
+ // a containers full ID.
+ inspectData, err := containers.Inspect(contextWithConnection, nameOrID, bindings.PFalse)
+ if err != nil {
+ if ignore && errorhandling.Contains(err, define.ErrNoSuchCtr) {
+ continue
+ }
+ return nil, err
+ }
+
+ // Now we can do a full match of the ID to find the right
+ // container. Note that we *really* need a full ID match to
+ // prevent any ambiguities between IDs and names (see #7837).
+ found := false
+ for _, ctr := range allContainers {
+ if ctr.ID == inspectData.ID {
+ filtered = append(filtered, ctr)
found = true
break
}
+
}
+
if !found && !ignore {
- return nil, errors.Wrapf(define.ErrNoSuchCtr, "unable to find container %q", id)
+ return nil, errors.Wrapf(define.ErrNoSuchCtr, "unable to find container %q", nameOrID)
}
}
- return cons, nil
+ return filtered, nil
}
func getPodsByContext(contextWithConnection context.Context, all bool, namesOrIDs []string) ([]*entities.ListPodsReport, error) {
- var (
- sPods []*entities.ListPodsReport
- )
if all && len(namesOrIDs) > 0 {
return nil, errors.New("cannot lookup specific pods and all")
}
- fPods, err := pods.List(contextWithConnection, nil)
+ allPods, err := pods.List(contextWithConnection, nil)
if err != nil {
return nil, err
}
if all {
- return fPods, nil
+ return allPods, nil
}
+
+ filtered := []*entities.ListPodsReport{}
+ // Note: it would be nicer if the lists endpoint would support that as
+ // we could use the libpod backend for looking up pods rather than
+ // risking diverging the local and remote lookups.
+ //
+ // A `--filter nameOrId=abc` that can be specified multiple times would
+ // be awesome to have.
for _, nameOrID := range namesOrIDs {
- var found bool
- for _, f := range fPods {
- if f.Name == nameOrID || strings.HasPrefix(f.Id, nameOrID) {
- sPods = append(sPods, f)
+ // First determine if the pod exists by doing an inspect.
+ // Inspect takes supports names and IDs and let's us determine
+ // a containers full ID.
+ inspectData, err := pods.Inspect(contextWithConnection, nameOrID)
+ if err != nil {
+ if errorhandling.Contains(err, define.ErrNoSuchPod) {
+ return nil, errors.Wrapf(define.ErrNoSuchPod, "unable to find pod %q", nameOrID)
+ }
+ return nil, err
+ }
+
+ // Now we can do a full match of the ID to find the right pod.
+ // Note that we *really* need a full ID match to prevent any
+ // ambiguities between IDs and names (see #7837).
+ found := false
+ for _, pod := range allPods {
+ if pod.Id == inspectData.ID {
+ filtered = append(filtered, pod)
found = true
break
}
+
}
+
if !found {
return nil, errors.Wrapf(define.ErrNoSuchPod, "unable to find pod %q", nameOrID)
}
}
- return sPods, nil
+ return filtered, nil
}