summaryrefslogtreecommitdiff
path: root/cmd/podman
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/kill.go23
-rw-r--r--cmd/podman/pause.go17
-rw-r--r--cmd/podman/restart.go16
-rw-r--r--cmd/podman/rm.go26
-rw-r--r--cmd/podman/shared/parallel.go10
-rw-r--r--cmd/podman/stop.go23
-rw-r--r--cmd/podman/unpause.go18
-rw-r--r--cmd/podman/utils.go17
8 files changed, 57 insertions, 93 deletions
diff --git a/cmd/podman/kill.go b/cmd/podman/kill.go
index 27882aeee..cfe4b4218 100644
--- a/cmd/podman/kill.go
+++ b/cmd/podman/kill.go
@@ -43,7 +43,6 @@ var (
// killCmd kills one or more containers with a signal
func killCmd(c *cli.Context) error {
var (
- lastError error
killFuncs []shared.ParallelWorkerInput
killSignal uint = uint(syscall.SIGTERM)
)
@@ -75,8 +74,12 @@ func killCmd(c *cli.Context) error {
containers, err := getAllOrLatestContainers(c, runtime, libpod.ContainerStateRunning, "running")
if err != nil {
- return err
+ if len(containers) == 0 {
+ return err
+ }
+ fmt.Println(err.Error())
}
+
for _, ctr := range containers {
con := ctr
f := func() error {
@@ -95,18 +98,6 @@ func killCmd(c *cli.Context) error {
}
logrus.Debugf("Setting maximum workers to %d", maxWorkers)
- killErrors := shared.ParallelExecuteWorkerPool(maxWorkers, killFuncs)
-
- for cid, result := range killErrors {
- if result != nil {
- if len(killErrors) > 1 {
- fmt.Println(result.Error())
- }
- lastError = result
- continue
- }
- fmt.Println(cid)
- }
-
- return lastError
+ killErrors, errCount := shared.ParallelExecuteWorkerPool(maxWorkers, killFuncs)
+ return printParallelOutput(killErrors, errCount)
}
diff --git a/cmd/podman/pause.go b/cmd/podman/pause.go
index 1e1585216..fcb2f3cb8 100644
--- a/cmd/podman/pause.go
+++ b/cmd/podman/pause.go
@@ -1,7 +1,6 @@
package main
import (
- "fmt"
"os"
"github.com/containers/libpod/cmd/podman/libpodruntime"
@@ -37,7 +36,6 @@ var (
func pauseCmd(c *cli.Context) error {
var (
- lastError error
pauseContainers []*libpod.Container
pauseFuncs []shared.ParallelWorkerInput
)
@@ -90,17 +88,6 @@ func pauseCmd(c *cli.Context) error {
}
logrus.Debugf("Setting maximum workers to %d", maxWorkers)
- pauseErrors := shared.ParallelExecuteWorkerPool(maxWorkers, pauseFuncs)
-
- for cid, result := range pauseErrors {
- if result != nil {
- if len(pauseErrors) > 1 {
- fmt.Println(result.Error())
- }
- lastError = result
- continue
- }
- fmt.Println(cid)
- }
- return lastError
+ pauseErrors, errCount := shared.ParallelExecuteWorkerPool(maxWorkers, pauseFuncs)
+ return printParallelOutput(pauseErrors, errCount)
}
diff --git a/cmd/podman/restart.go b/cmd/podman/restart.go
index 2e264db79..630493ef4 100644
--- a/cmd/podman/restart.go
+++ b/cmd/podman/restart.go
@@ -1,8 +1,6 @@
package main
import (
- "fmt"
-
"github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/libpod"
@@ -46,7 +44,6 @@ func restartCmd(c *cli.Context) error {
var (
restartFuncs []shared.ParallelWorkerInput
containers []*libpod.Container
- lastError error
restartContainers []*libpod.Container
)
@@ -124,15 +121,6 @@ func restartCmd(c *cli.Context) error {
logrus.Debugf("Setting maximum workers to %d", maxWorkers)
- restartErrors := shared.ParallelExecuteWorkerPool(maxWorkers, restartFuncs)
-
- for cid, result := range restartErrors {
- if result != nil {
- fmt.Println(result.Error())
- lastError = result
- continue
- }
- fmt.Println(cid)
- }
- return lastError
+ restartErrors, errCount := shared.ParallelExecuteWorkerPool(maxWorkers, restartFuncs)
+ return printParallelOutput(restartErrors, errCount)
}
diff --git a/cmd/podman/rm.go b/cmd/podman/rm.go
index 0fb5345ee..7c0569b78 100644
--- a/cmd/podman/rm.go
+++ b/cmd/podman/rm.go
@@ -4,7 +4,6 @@ import (
"fmt"
"github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/cmd/podman/shared"
- "github.com/containers/libpod/libpod"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/urfave/cli"
@@ -46,9 +45,7 @@ Running containers will not be removed without the -f option.
// saveCmd saves the image to either docker-archive or oci
func rmCmd(c *cli.Context) error {
var (
- delContainers []*libpod.Container
- lastError error
- deleteFuncs []shared.ParallelWorkerInput
+ deleteFuncs []shared.ParallelWorkerInput
)
ctx := getContext()
@@ -65,7 +62,13 @@ func rmCmd(c *cli.Context) error {
return err
}
- delContainers, lastError = getAllOrLatestContainers(c, runtime, -1, "all")
+ delContainers, err := getAllOrLatestContainers(c, runtime, -1, "all")
+ if err != nil {
+ if len(delContainers) == 0 {
+ return err
+ }
+ fmt.Println(err.Error())
+ }
for _, container := range delContainers {
con := container
@@ -84,14 +87,7 @@ func rmCmd(c *cli.Context) error {
}
logrus.Debugf("Setting maximum workers to %d", maxWorkers)
- deleteErrors := shared.ParallelExecuteWorkerPool(maxWorkers, deleteFuncs)
- for cid, result := range deleteErrors {
- if result != nil {
- fmt.Println(result.Error())
- lastError = result
- continue
- }
- fmt.Println(cid)
- }
- return lastError
+ // Run the parallel funcs
+ deleteErrors, errCount := shared.ParallelExecuteWorkerPool(maxWorkers, deleteFuncs)
+ return printParallelOutput(deleteErrors, errCount)
}
diff --git a/cmd/podman/shared/parallel.go b/cmd/podman/shared/parallel.go
index 633781a45..e6ce50f95 100644
--- a/cmd/podman/shared/parallel.go
+++ b/cmd/podman/shared/parallel.go
@@ -30,9 +30,10 @@ func ParallelWorker(wg *sync.WaitGroup, jobs <-chan ParallelWorkerInput, results
// ParallelExecuteWorkerPool takes container jobs and performs them in parallel. The worker
// int determines how many workers/threads should be premade.
-func ParallelExecuteWorkerPool(workers int, functions []ParallelWorkerInput) map[string]error {
+func ParallelExecuteWorkerPool(workers int, functions []ParallelWorkerInput) (map[string]error, int) {
var (
- wg sync.WaitGroup
+ wg sync.WaitGroup
+ errorCount int
)
resultChan := make(chan containerError, len(functions))
@@ -62,9 +63,12 @@ func ParallelExecuteWorkerPool(workers int, functions []ParallelWorkerInput) map
close(resultChan)
for ctrError := range resultChan {
results[ctrError.ContainerID] = ctrError.Err
+ if ctrError.Err != nil {
+ errorCount += 1
+ }
}
- return results
+ return results, errorCount
}
// Parallelize provides the maximum number of parallel workers (int) as calculated by a basic
diff --git a/cmd/podman/stop.go b/cmd/podman/stop.go
index cb36fd5cd..04022839a 100644
--- a/cmd/podman/stop.go
+++ b/cmd/podman/stop.go
@@ -59,7 +59,13 @@ func stopCmd(c *cli.Context) error {
}
defer runtime.Shutdown(false)
- containers, lastError := getAllOrLatestContainers(c, runtime, libpod.ContainerStateRunning, "running")
+ containers, err := getAllOrLatestContainers(c, runtime, libpod.ContainerStateRunning, "running")
+ if err != nil {
+ if len(containers) == 0 {
+ return err
+ }
+ fmt.Println(err.Error())
+ }
var stopFuncs []shared.ParallelWorkerInput
for _, ctr := range containers {
@@ -85,17 +91,6 @@ func stopCmd(c *cli.Context) error {
}
logrus.Debugf("Setting maximum workers to %d", maxWorkers)
- stopErrors := shared.ParallelExecuteWorkerPool(maxWorkers, stopFuncs)
-
- for cid, result := range stopErrors {
- if result != nil && result != libpod.ErrCtrStopped {
- if len(stopErrors) > 1 {
- fmt.Println(result.Error())
- }
- lastError = result
- continue
- }
- fmt.Println(cid)
- }
- return lastError
+ stopErrors, errCount := shared.ParallelExecuteWorkerPool(maxWorkers, stopFuncs)
+ return printParallelOutput(stopErrors, errCount)
}
diff --git a/cmd/podman/unpause.go b/cmd/podman/unpause.go
index 648fc9d3d..d77e056f8 100644
--- a/cmd/podman/unpause.go
+++ b/cmd/podman/unpause.go
@@ -1,7 +1,6 @@
package main
import (
- "fmt"
"os"
"github.com/containers/libpod/cmd/podman/libpodruntime"
@@ -37,7 +36,6 @@ var (
func unpauseCmd(c *cli.Context) error {
var (
- lastError error
unpauseContainers []*libpod.Container
unpauseFuncs []shared.ParallelWorkerInput
)
@@ -90,18 +88,6 @@ func unpauseCmd(c *cli.Context) error {
}
logrus.Debugf("Setting maximum workers to %d", maxWorkers)
- unpauseErrors := shared.ParallelExecuteWorkerPool(maxWorkers, unpauseFuncs)
-
- for cid, result := range unpauseErrors {
- if result != nil && result != libpod.ErrCtrStopped {
- if len(unpauseErrors) > 1 {
- fmt.Println(result.Error())
- }
- lastError = result
- continue
- }
- fmt.Println(cid)
- }
-
- return lastError
+ unpauseErrors, errCount := shared.ParallelExecuteWorkerPool(maxWorkers, unpauseFuncs)
+ return printParallelOutput(unpauseErrors, errCount)
}
diff --git a/cmd/podman/utils.go b/cmd/podman/utils.go
index afeccb668..5735156c2 100644
--- a/cmd/podman/utils.go
+++ b/cmd/podman/utils.go
@@ -207,3 +207,20 @@ func getPodsFromContext(c *cli.Context, r *libpod.Runtime) ([]*libpod.Pod, error
}
return pods, lastError
}
+
+//printParallelOutput takes the map of parallel worker results and outputs them
+// to stdout
+func printParallelOutput(m map[string]error, errCount int) error {
+ var lastError error
+ for cid, result := range m {
+ if result != nil {
+ if errCount > 1 {
+ fmt.Println(result.Error())
+ }
+ lastError = result
+ continue
+ }
+ fmt.Println(cid)
+ }
+ return lastError
+}