Updates the CredentialSpec handling code for services to allow using
swarm Configs.
Additionally, fixes a bug where the `--credential-spec` flag would not
be respected on service updates.
Signed-off-by: Drew Erny <drew.erny@docker.com>
This patch fixes a bug where labels use the same behavior as `--env`, resulting
in a value to be copied from environment variables with the same name as the
label if no value is set (i.e. a simple key, no `=` sign, no value).
An earlier pull request addressed similar cases for `docker run`;
2b17f4c8a8, but this did not address the
same situation for (e.g.) `docker service create`.
Digging in history for this bug, I found that use of the `ValidateEnv`
function for labels was added in the original implementation of the labels feature in
abb5e9a077 (diff-ae476143d40e21ac0918630f7365ed3cR34)
However, the design never intended it to expand environment variables,
and use of this function was either due to either a "copy/paste" of the
equivalent `--env` flags, or a misunderstanding (the name `ValidateEnv` does
not communicate that it also expands environment variables), and the existing
`ValidateLabel` was designed for _engine_ labels (which required a value to
be set).
Following the initial implementation, other parts of the code followed
the same (incorrect) approach, therefore leading the bug to be introduced
in services as well.
This patch:
- updates the `ValidateLabel` to match the expected validation
rules (this function is no longer used since 31dc5c0a9a),
and the daemon has its own implementation)
- corrects various locations in the code where `ValidateEnv` was used instead of `ValidateLabel`.
Before this patch:
```bash
export SOME_ENV_VAR=I_AM_SOME_ENV_VAR
docker service create --label SOME_ENV_VAR --tty --name test busybox
docker service inspect --format '{{json .Spec.Labels}}' test
{"SOME_ENV_VAR":"I_AM_SOME_ENV_VAR"}
```
After this patch:
```bash
export SOME_ENV_VAR=I_AM_SOME_ENV_VAR
docker service create --label SOME_ENV_VAR --tty --name test busybox
docker container inspect --format '{{json .Config.Labels}}' test
{"SOME_ENV_VAR":""}
```
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
- make it possible to extract the formatter implementation from the
"common" code, that way, the formatter package stays small
- extract some formatter into their own packages
This is essentially moving the "formatter" implementation of each type
in their respective packages. The *main* reason to do that, is to be
able to depend on `cli/command/formatter` without depending of the
implementation detail of the formatter. As of now, depending on
`cli/command/formatter` means we depend on `docker/docker/api/types`,
`docker/licensing`, … — that should not be the case. `formatter`
should hold the common code (or helpers) to easily create formatter,
not all formatter implementations.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
- Use `Contains` instead of `Include`
- Use `ToJSON` instead of `ToParam`
- Remove usage of `ParseFlag` as it is deprecated too
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Before this change:
----------------------------------------------------
Create a service with reservations and limits for memory and cpu:
docker service create --name test \
--limit-memory=100M --limit-cpu=1 \
--reserve-memory=100M --reserve-cpu=1 \
nginx:alpine
Verify the configuration
docker service inspect --format '{{json .Spec.TaskTemplate.Resources}}' test
{
"Limits": {
"NanoCPUs": 1000000000,
"MemoryBytes": 104857600
},
"Reservations": {
"NanoCPUs": 1000000000,
"MemoryBytes": 104857600
}
}
Update just CPU limit and reservation:
docker service update --limit-cpu=2 --reserve-cpu=2 test
Notice that the memory limit and reservation is not preserved:
docker service inspect --format '{{json .Spec.TaskTemplate.Resources}}' test
{
"Limits": {
"NanoCPUs": 2000000000
},
"Reservations": {
"NanoCPUs": 2000000000
}
}
Update just Memory limit and reservation:
docker service update --limit-memory=200M --reserve-memory=200M test
Notice that the CPU limit and reservation is not preserved:
docker service inspect --format '{{json .Spec.TaskTemplate.Resources}}' test
{
"Limits": {
"MemoryBytes": 209715200
},
"Reservations": {
"MemoryBytes": 209715200
}
}
After this change:
----------------------------------------------------
Create a service with reservations and limits for memory and cpu:
docker service create --name test \
--limit-memory=100M --limit-cpu=1 \
--reserve-memory=100M --reserve-cpu=1 \
nginx:alpine
Verify the configuration
docker service inspect --format '{{json .Spec.TaskTemplate.Resources}}' test
{
"Limits": {
"NanoCPUs": 1000000000,
"MemoryBytes": 104857600
},
"Reservations": {
"NanoCPUs": 1000000000,
"MemoryBytes": 104857600
}
}
Update just CPU limit and reservation:
docker service update --limit-cpu=2 --reserve-cpu=2 test
Confirm that the CPU limits/reservations are updated, but memory limit and reservation are preserved:
docker service inspect --format '{{json .Spec.TaskTemplate.Resources}}' test
{
"Limits": {
"NanoCPUs": 2000000000,
"MemoryBytes": 104857600
},
"Reservations": {
"NanoCPUs": 2000000000,
"MemoryBytes": 104857600
}
}
Update just Memory limit and reservation:
docker service update --limit-memory=200M --reserve-memory=200M test
Confirm that the Mempry limits/reservations are updated, but CPU limit and reservation are preserved:
docker service inspect --format '{{json .Spec.TaskTemplate.Resources}}' test
{
"Limits": {
"NanoCPUs": 2000000000,
"MemoryBytes": 209715200
},
"Reservations": {
"NanoCPUs": 2000000000,
"MemoryBytes": 209715200
}
}
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Since go 1.7, "context" is a standard package. Since go 1.9,
x/net/context merely provides some types aliased to those in
the standard context package.
The changes were performed by the following script:
for f in $(git ls-files \*.go | grep -v ^vendor/); do
sed -i 's|golang.org/x/net/context|context|' $f
goimports -w $f
for i in 1 2; do
awk '/^$/ {e=1; next;}
/\t"context"$/ {e=0;}
{if (e) {print ""; e=0}; print;}' < $f > $f.new && \
mv $f.new $f
goimports -w $f
done
done
[v2: do awk/goimports fixup twice]
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Removing a host by `<host>:<ip>` should only remove occurences of the host with
a matching IP-address, instead of removing all entries for that host.
In addition, combining `--host-rm` and `--host-add` for the same host should
result in the new host being added.
This patch fixes the way the diff is calculated to allow combining
removing/adding, and to support entries having both a canonical, and aliases.
Aliases cannot be added by the CLI, but are supported in the Service spec, thus
should be taken into account:
Entries can be removed by either a specific `<host-name>:<ip-address>`
mapping, or by `<host>` alone:
- If both IP-address and host-name is provided, only remove the hostname
from entries that match the given IP-address.
- If only a host-name is provided, remove the hostname from any entry it
is part of (either as _canonical_ host-name, or as _alias_).
- If, after removing the host-name from an entry, no host-names remain in
the entry, the entry itself should be removed.
For example, the list of host-entries before processing could look like this:
hosts = &[]string{
"127.0.0.2 host3 host1 host2 host4",
"127.0.0.1 host1 host4",
"127.0.0.3 host1",
"127.0.0.1 host1",
}
Removing `host1` removes every occurrence:
hosts = &[]string{
"127.0.0.2 host3 host2 host4",
"127.0.0.1 host4",
}
Whereas removing `host1:127.0.0.1` only remove the host if the IP-address matches:
hosts = &[]string{
"127.0.0.2 host3 host1 host2 host4",
"127.0.0.1 host4",
"127.0.0.3 host1",
}
Before this patch:
$ docker service create --name my-service --host foo:127.0.0.1 --host foo:127.0.0.2 --host foo:127.0.0.3 nginx:alpine
$ docker service update --host-rm foo:127.0.0.1 --host-add foo:127.0.0.4 my-service
$ docker service inspect --format '{{.Spec.TaskTemplate.ContainerSpec.Hosts}}' my-service
[]
After this patch is applied:
$ docker service create --name my-service --host foo:127.0.0.1 --host foo:127.0.0.2 --host foo:127.0.0.3 nginx:alpine
$ docker service update --host-rm foo:127.0.0.1 --host-add foo:127.0.0.5 my-service
$ docker service inspect --format '{{.Spec.TaskTemplate.ContainerSpec.Hosts}}' my-service
[127.0.0.2 foo 127.0.0.3 foo 127.0.0.4 foo]
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
The "update" and "rollback" configurations were cross-wired, as a result, setting
`--rollback-*` options would override the service's update-options.
Creating a service with both update, and rollback configuration:
docker service create \
--name=test \
--update-failure-action=pause \
--update-max-failure-ratio=0.6 \
--update-monitor=3s \
--update-order=stop-first \
--update-parallelism=3 \
--rollback-failure-action=continue \
--rollback-max-failure-ratio=0.5 \
--rollback-monitor=4s \
--rollback-order=start-first \
--rollback-parallelism=2 \
--tty \
busybox
Before this change:
docker service inspect --format '{{json .Spec.UpdateConfig}}' test \
&& docker service inspect --format '{{json .Spec.RollbackConfig}}' test
Produces:
{"Parallelism":3,"FailureAction":"pause","Monitor":3000000000,"MaxFailureRatio":0.6,"Order":"stop-first"}
{"Parallelism":3,"FailureAction":"pause","Monitor":3000000000,"MaxFailureRatio":0.6,"Order":"stop-first"}
After this change:
{"Parallelism":3,"FailureAction":"pause","Monitor":3000000000,"MaxFailureRatio":0.6,"Order":"stop-first"}
{"Parallelism":2,"FailureAction":"continue","Monitor":4000000000,"MaxFailureRatio":0.5,"Order":"start-first"}
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Fix tests that failed when using cmp.Compare()
internal/test/testutil/assert
InDelta
Fix DeepEqual with kube metav1.Time
Convert some ErrorContains to assert
Signed-off-by: Daniel Nephin <dnephin@docker.com>
`--label-file` has the exact same behavior as `--env-file`, meaning any
placeholder (i.e. a simple key, no `=` sign, no value), it will get the
value from the environment variable.
For `--label-file` it should just add an empty label.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
When adding a network using `docker service update --network-add`,
the new network was added by _name_.
Existing entries in a service spec are listed by network ID, which
resulted in the CLI not detecting duplicate entries for the same
network.
This patch changes the behavior to always use the network-ID,
so that duplicate entries are correctly caught.
Before this change;
$ docker network create -d overlay foo
$ docker service create --name=test --network=foo nginx:alpine
$ docker service update --network-add foo test
$ docker service inspect --format '{{ json .Spec.TaskTemplate.Networks}}' test
[
{
"Target": "9ot0ieagg5xv1gxd85m7y33eq"
},
{
"Target": "9ot0ieagg5xv1gxd85m7y33eq"
}
]
After this change:
$ docker network create -d overlay foo
$ docker service create --name=test --network=foo nginx:alpine
$ docker service update --network-add foo test
service is already attached to network foo
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Extra hosts (`extra_hosts` in compose-file, or `--hosts` in services) adds
custom host/ip mappings to the container's `/etc/hosts`.
The current implementation used a `map[string]string{}` as intermediate
storage, and sorted the results alphabetically when converting to a service-spec.
As a result, duplicate hosts were removed, and order of host/ip mappings was not
preserved (in case the compose-file used a list instead of a map).
According to the **host.conf(5)** man page (http://man7.org/linux/man-pages/man5/host.conf.5.html)
multi Valid values are on and off. If set to on, the resolver
library will return all valid addresses for a host that
appears in the /etc/hosts file, instead of only the first.
This is off by default, as it may cause a substantial
performance loss at sites with large hosts files.
Multiple entries for a host are allowed, and even required for some situations,
for example, to add mappings for IPv4 and IPv6 addreses for a host, as illustrated
by the example hosts file in the **hosts(5)** man page (http://man7.org/linux/man-pages/man5/hosts.5.html):
# The following lines are desirable for IPv4 capable hosts
127.0.0.1 localhost
# 127.0.1.1 is often used for the FQDN of the machine
127.0.1.1 thishost.mydomain.org thishost
192.168.1.10 foo.mydomain.org foo
192.168.1.13 bar.mydomain.org bar
146.82.138.7 master.debian.org master
209.237.226.90 www.opensource.org
# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
This patch changes the intermediate storage format to use a `[]string`, and only
sorts entries if the input format in the compose file is a mapping. If the input
format is a list, the original sort-order is preserved.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
The `--host-add` flag adds a new `host:ip` mapping. Even though
adding an entry is idempotent (adding the same mapping multiple
times does not update the service's definition), it does not
_update_ an existing mapping with a new IP-address (multiple
IP-addresses can be defined for a host).
This patch removes the "or update" part from the flag's
description.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
and enable the new WarnUnmatchedDirective to warn if a nolint is unnecessary.
remove some unnecessary nolint
Signed-off-by: Daniel Nephin <dnephin@docker.com>
Running `docker service ps --quiet` should print the
full, non-truncated ID, even if the `--no-trunc` option
is not set.
This patch disables truncation if the `--quiet` flag
is set.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Commit 330a0035334871d92207b583c1c36d52a244753f added a `--detach=false` option
to various service-related commands, with the intent to make this the default in
a future version (17.09).
This patch changes the default to use "interactive" (non-detached), allowing
users to override this by setting the `--detach` option.
To prevent problems when connecting to older daemon versions (17.05 and below,
see commit db60f25561), the detach option is
ignored for those versions, and detach is always true.
Before this change, a warning was printed to announce the upcoming default:
$ docker service create nginx:alpine
saxiyn3pe559d753730zr0xer
Since --detach=false was not specified, tasks will be created in the background.
In a future release, --detach=false will become the default.
After this change, no warning is printed, but `--detach` is disabled;
$ docker service create nginx:alpine
y9jujwzozi0hwgj5yaadzliq6
overall progress: 1 out of 1 tasks
1/1: running [==================================================>]
verify: Service converged
Setting the `--detach` flag makes the cli use the pre-17.06 behavior:
$ docker service create --detach nginx:alpine
280hjnzy0wzje5o56gr22a46n
Running against a 17.03 daemon, without specifying the `--detach` flag;
$ docker service create nginx:alpine
kqheg7ogj0kszoa34g4p73i8q
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Implement runRollback to not use runUpdate
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Add version tag and add flag quiet to suppress progress output
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Removed flags from warnDetachDefault
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Used command.Cli interface
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Add detach flag on rollback command
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Create a fakeClient for service commands
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Added unit test for rollback command
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Used command.Cli interface instead of *command.DockerCli in service commands
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Revert "Removed flags from warnDetachDefault"
This reverts commit 3e4f601c8a82cc2599a755dc693409bbc47917fc.
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Fixed test.NewFakeCli instanciation
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Removed unused receiver
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Replaced cli by dockerCli
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Revert "Removed unused receiver"
This reverts commit 604ef7c13df3d019949ca81d992db501114dafce.
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
Fixed last typo
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>
If a task encounters an error, the interactive "service create" and
"service update" commands should show that error instead of showing a
stuck progress bar.
To validate:
docker service create --detach=false --name broken --restart-condition=none --replicas 3 busybox asdf
and
docker service create --detach=false --name broken --mode global --restart-condition none busybox asdf
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This was only showing tasks that belong to nodes that are currently up,
so that tasks on down nodes don't appear to be stuck. But this
unintentionally excludes tasks that haven't been assigned yet, so if a
task is stuck before assignment, for example because no nodes meet its
constraints, a progress bar won't even be shown. The check should only
apply to tasks that have a node assignment.
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This fix use `scope=swarm` for service related network inspect.
The purpose is that, in case multiple networks with the same
name exist in different scopes, it is still possible to obtain
the network for services.
This fix is related to moby/moby#33630 and docker/cli#167
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
If configs are declared for a service and pointing on an old
daemon, error out properly (instead of "page not found").
If there is no configs declared, don't call convertServiceConfigObjs
to avoid having an error.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Commit 78c204ef79 added
(f9bd8ec8b268581f93095c5a80679f0a8ff498bf in the moby repo)
a validation to prevent `--rollback` from being used
in combination with other flags that update the
service spec.
This validation was not taking into account that
some flags only affect the CLI behavior, and
are okay to be used when rolling back.
This patch updates the validation, and adds
`--quiet` and `--detach` to the list of allowed
flags.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
The docker CLI matches objects either by ID _prefix_
or a full name match, but not partial name matches.
The correct order of resolution is;
- Full ID match (a name should not be able to mask an ID)
- Full name
- ID-prefix
This patch changes the way services are matched.
Also change to use the first matching service, if there's a
full match (by ID or Name) instead of continue looking for
other possible matches.
Error handling changed;
- Do not error early if multiple services were requested
and one or more services were not found. Print the
services that were not found after printing those that
_were_ found instead
- Print an error if ID-prefix matching is ambiguous
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This command inserts a variable amount of padding in the log line:
padding := strings.Repeat(" ", f.padding-getMaxLength(task.Slot))
If the service is scaled up, or the slot numbers are noncontiguous, the
subtraction can underflow, causing a crash.
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
Whitelist some existing offenders, and use a high limit for now.
This limit should decrese over time.
Signed-off-by: Daniel Nephin <dnephin@docker.com>
Drew Erny
Sebastiaan van Stijn
Vincent Demeester
Stephane Jeandeaux
Olli Janatuinen
Akihiro Suda
Arash Deshmeh
Victor Vieux
Vincent Demeester
Kir Kolyshkin
Essam A. Hassan
Silvin Lubecki
Daniel Nephin
Renaud Gaubert
Simon Ferquel
Sebastiaan van Stijn
Brian Goff
Riyaz Faizullabhoy
Jimmy Leger
Boaz Shuster
Aaron Lehmann
Yong Tang
Josh Soref
Abhinandan Prativadi
Nishant Totla
Gaetan de Villele
Tibor Vass
yupengzte
Evan Hazlett
Dong Chen
Daniel Nephin