Fix misleading default for `--replicas`
This fix tries to address the issue raised in 29291 where
the output of `--replicas` in `service create/update`:
```
--replicas uint Number of tasks (default none)
```
is misleading. User might incorrectly assume the number of replicas
would be `0` (`none`) by default, while the actual default is `1`.
The issue comes from the fact that some of the default values are
from daemon and it is not possible for client to find out the default
value.
In this case, it might be better to just simply not displaying `(default none)`.
This fix returns "" for `Uint64Opt` so that `(default none)` is hidden.
In addition to `--replicas`, this fix also changes
`--restart-delay`, `--restart-max-attempts`, `--stop-grace-period`,
`--health-interval`, `--health-timeout`, and `--restart-window`
in a similiar fashion.
New Output:
```
--health-interval duration Time between running the check (ns|us|ms|s|m|h)
--health-timeout duration Maximum time to allow one check to run (ns|us|ms|s|m|h)
...
--replicas uint Number of tasks
...
--restart-delay duration Delay between restart attempts (ns|us|ms|s|m|h)
--restart-max-attempts uint Maximum number of restarts before giving up
--restart-window duration Window used to evaluate the restart policy (ns|us|ms|s|m|h)
...
--stop-grace-period duration Time to wait before force killing a container (ns|us|ms|s|m|h)
```
The docs has been updated. Note the docs for help output of `service create/update`
is out of sync with the current master. This fix replace with the update-to-date
help output.
This fix fixes 29291.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
This commit is contained in:
Yong Tang
parent
2cf32ee043
commit
acc93db32b
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@ -84,7 +84,7 @@ func (d *DurationOpt) String() string {
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if d.value != nil {
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return d.value.String()
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}
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return "none"
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return ""
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}
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// Value returns the time.Duration
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@ -114,7 +114,7 @@ func (i *Uint64Opt) String() string {
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if i.value != nil {
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return fmt.Sprintf("%v", *i.value)
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}
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return "none"
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return ""
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}
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// Value returns the uint64
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@ -59,7 +59,7 @@ func TestUint64OptString(t *testing.T) {
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assert.Equal(t, opt.String(), "2345678")
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opt = Uint64Opt{}
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assert.Equal(t, opt.String(), "none")
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assert.Equal(t, opt.String(), "")
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}
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func TestUint64OptSetAndValue(t *testing.T) {
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@ -31,9 +31,9 @@ Options:
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--env-file list Read in a file of environment variables (default [])
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--group list Set one or more supplementary user groups for the container (default [])
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--health-cmd string Command to run to check health
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--health-interval duration Time between running the check (ns|us|ms|s|m|h) (default none)
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--health-interval duration Time between running the check (ns|us|ms|s|m|h)
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--health-retries int Consecutive failures needed to report unhealthy
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--health-timeout duration Maximum time to allow one check to run (ns|us|ms|s|m|h) (default none)
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--health-timeout duration Maximum time to allow one check to run (ns|us|ms|s|m|h)
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--help Print usage
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--host list Set one or more custom host-to-IP mappings (host:ip) (default [])
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--hostname string Container hostname
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@ -47,16 +47,16 @@ Options:
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--name string Service name
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--network list Network attachments (default [])
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--no-healthcheck Disable any container-specified HEALTHCHECK
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-p, --publish list Publish a port as a node port (default [])
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--replicas uint Number of tasks (default none)
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-p, --publish port Publish a port as a node port
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--replicas uint Number of tasks
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--reserve-cpu decimal Reserve CPUs (default 0.000)
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--reserve-memory bytes Reserve Memory (default 0 B)
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--restart-condition string Restart when condition is met (none, on-failure, or any)
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--restart-delay duration Delay between restart attempts (ns|us|ms|s|m|h) (default none)
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--restart-max-attempts uint Maximum number of restarts before giving up (default none)
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--restart-window duration Window used to evaluate the restart policy (ns|us|ms|s|m|h) (default none)
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--secret value Specify secrets to expose to the service (default [])
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--stop-grace-period duration Time to wait before force killing a container (ns|us|ms|s|m|h) (default none)
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--restart-delay duration Delay between restart attempts (ns|us|ms|s|m|h)
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--restart-max-attempts uint Maximum number of restarts before giving up
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--restart-window duration Window used to evaluate the restart policy (ns|us|ms|s|m|h)
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--secret secret Specify secrets to expose to the service
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--stop-grace-period duration Time to wait before force killing a container (ns|us|ms|s|m|h)
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-t, --tty Allocate a pseudo-TTY
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--update-delay duration Delay between updates (ns|us|ms|s|m|h) (default 0s)
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--update-failure-action string Action on update failure (pause|continue) (default "pause")
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@ -39,9 +39,9 @@ Options:
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--group-add list Add an additional supplementary user group to the container (default [])
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--group-rm list Remove a previously added supplementary user group from the container (default [])
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--health-cmd string Command to run to check health
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--health-interval duration Time between running the check (ns|us|ms|s|m|h) (default none)
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--health-interval duration Time between running the check (ns|us|ms|s|m|h)
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--health-retries int Consecutive failures needed to report unhealthy
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--health-timeout duration Maximum time to allow one check to run (ns|us|ms|s|m|h) (default none)
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--health-timeout duration Maximum time to allow one check to run (ns|us|ms|s|m|h)
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--help Print usage
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--host-add list Add or update a custom host-to-IP mapping (host:ip) (default [])
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--host-rm list Remove a custom host-to-IP mapping (host:ip) (default [])
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@ -56,19 +56,19 @@ Options:
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--mount-add mount Add or update a mount on a service
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--mount-rm list Remove a mount by its target path (default [])
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--no-healthcheck Disable any container-specified HEALTHCHECK
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--publish-add list Add or update a published port (default [])
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--publish-rm list Remove a published port by its target port (default [])
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--replicas uint Number of tasks (default none)
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--publish-add port Add or update a published port
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--publish-rm port Remove a published port by its target port
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--replicas uint Number of tasks
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--reserve-cpu decimal Reserve CPUs (default 0.000)
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--reserve-memory bytes Reserve Memory (default 0 B)
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--restart-condition string Restart when condition is met (none, on-failure, or any)
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--restart-delay duration Delay between restart attempts (ns|us|ms|s|m|h) (default none)
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--restart-max-attempts uint Maximum number of restarts before giving up (default none)
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--restart-window duration Window used to evaluate the restart policy (ns|us|ms|s|m|h) (default none)
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--restart-delay duration Delay between restart attempts (ns|us|ms|s|m|h)
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--restart-max-attempts uint Maximum number of restarts before giving up
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--restart-window duration Window used to evaluate the restart policy (ns|us|ms|s|m|h)
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--rollback Rollback to previous specification
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--secret-add list Add a secret (default [])
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--secret-add secret Add or update a secret on a service
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--secret-rm list Remove a secret (default [])
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--stop-grace-period duration Time to wait before force killing a container (ns|us|ms|s|m|h) (default none)
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--stop-grace-period duration Time to wait before force killing a container (ns|us|ms|s|m|h)
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-t, --tty Allocate a pseudo-TTY
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--update-delay duration Delay between updates (ns|us|ms|s|m|h) (default 0s)
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--update-failure-action string Action on update failure (pause|continue) (default "pause")
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