Vendor in latest psgo code to fix race conditions

When running podman top, the processes collected can exit befor
psgo gets information on the processes.  This can cause some weird
errors and creates some CI flakes.

psgo now properly ignores this situation rather then returning errors

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/psgo/internal/capabilities/capabilities.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 capabilities provides a mapping from common kernel bit masks to the
 // alphanumerical represenation of kernel capabilities.  See capabilities(7)
 // for additional information.

vendor/github.com/containers/psgo/internal/dev/tty.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 dev
 
 import (

vendor/github.com/containers/psgo/internal/host/host.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 host extracts data from the host, such as the system's boot time or
 // the tick rate of the system clock.
 package host

vendor/github.com/containers/psgo/internal/proc/attr.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 proc
 
 import (

vendor/github.com/containers/psgo/internal/proc/cmdline.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 proc
 
 import (

vendor/github.com/containers/psgo/internal/proc/ns.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 proc
 
 import (

vendor/github.com/containers/psgo/internal/proc/pids.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 proc
 
 import (

vendor/github.com/containers/psgo/internal/proc/stat.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 proc
 
 import (

vendor/github.com/containers/psgo/internal/proc/status.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 proc
 
 import (

vendor/github.com/containers/psgo/internal/process/process.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 process
 
 import (
@@ -94,7 +108,7 @@ func FromPIDs(ctx *types.PsContext, pids []string) ([]*Process, error) {
 	for _, pid := range pids {
 		p, err := New(ctx, pid)
 		if err != nil {
-			if os.IsNotExist(err) {
+			if os.IsNotExist(errors.Cause(err)) {
 				// proc parsing is racy
 				// Let's ignore "does not exist" errors
 				continue

vendor/github.com/containers/psgo/internal/types/types.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 types
 
 // PsContext controls some internals of the psgo library.

vendor/github.com/containers/psgo/psgo.go

@@ -1,3 +1,17 @@
+// Copyright 2018 psgo 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 psgo is a ps (1) AIX-format compatible golang library extended with
 // various descriptors useful for displaying container-related data.
 //
@@ -349,7 +363,7 @@ func JoinNamespaceAndProcessInfoByPids(pids []string, descriptors []string) ([][
 	for _, pid := range pids {
 		ns, err := proc.ParsePIDNamespace(pid)
 		if err != nil {
-			if os.IsNotExist(err) {
+			if os.IsNotExist(errors.Cause(err)) {
 				// catch race conditions
 				continue
 			}
@@ -364,6 +378,10 @@ func JoinNamespaceAndProcessInfoByPids(pids []string, descriptors []string) ([][
 	data := [][]string{}
 	for i, pid := range pidList {
 		pidData, err := JoinNamespaceAndProcessInfo(pid, descriptors)
+		if os.IsNotExist(errors.Cause(err)) {
+			// catch race conditions
+			continue
+		}
 		if err != nil {
 			return nil, err
 		}