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logging: new mode -l passthrough

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it allows to pass the current std streams down to the container.

conmon support: https://github.com/containers/conmon/pull/289

[NO TESTS NEEDED] it needs a new conmon.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2021-09-01 11:36:26 +02:00
parent 869cb9a654
commit 3ce98a5ec2
13 changed files with 74 additions and 24 deletions
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4
libpod/container_log.go
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@ -18,7 +18,7 @@ import (
var logDrivers []string
func init() {
logDrivers = append(logDrivers, define.KubernetesLogging, define.NoLogging)
logDrivers = append(logDrivers, define.KubernetesLogging, define.NoLogging, define.PassthroughLogging)
}
// Log is a runtime function that can read one or more container logs.
@ -34,6 +34,8 @@ func (r *Runtime) Log(ctx context.Context, containers []*Container, options *log
// ReadLog reads a containers log based on the input options and returns log lines over a channel.
func (c *Container) ReadLog(ctx context.Context, options *logs.LogOptions, logChannel chan *logs.LogLine) error {
switch c.LogDriver() {
case define.PassthroughLogging:
return errors.Wrapf(define.ErrNoLogs, "this container is using the 'passthrough' log driver, cannot read logs")
case define.NoLogging:
return errors.Wrapf(define.ErrNoLogs, "this container is using the 'none' log driver, cannot read logs")
case define.JournaldLogging: