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Merge pull request #21337 from dvdksn/update-redis-example-tags 

engine(swarm): update example redis tags
This commit is contained in:
Sebastiaan van Stijn 2024-11-06 15:53:22 +01:00 committed by GitHub
parent b6f336d045 590bd6da0c
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4
content/manuals/engine/swarm/services.md
View File

@ -762,7 +762,7 @@ $ docker service create \
--replicas 9 \
--name redis_2 \
--placement-pref 'spread=node.labels.datacenter' \
redis:3.0.6
redis:7.4.0
```
> [!NOTE]
@ -786,7 +786,7 @@ $ docker service create \
--name redis_2 \
--placement-pref 'spread=node.labels.datacenter' \
--placement-pref 'spread=node.labels.rack' \
redis:3.0.6
redis:7.4.0
```
You can also use placement preferences in conjunction with placement constraints

16
content/manuals/engine/swarm/swarm-tutorial/drain-node.md
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@ -41,7 +41,7 @@ node and launches replica tasks on a node with `Active` availability.
[rolling update](rolling-update.md) tutorial, start it now:
```console
$ docker service create --replicas 3 --name redis --update-delay 10s redis:3.0.6
$ docker service create --replicas 3 --name redis --update-delay 10s redis:7.4.0
c5uo6kdmzpon37mgj9mwglcfw
```
@ -53,9 +53,9 @@ tasks to different nodes:
$ docker service ps redis
NAME IMAGE NODE DESIRED STATE CURRENT STATE
redis.1.7q92v0nr1hcgts2amcjyqg3pq redis:3.0.6 manager1 Running Running 26 seconds
redis.2.7h2l8h3q3wqy5f66hlv9ddmi6 redis:3.0.6 worker1 Running Running 26 seconds
redis.3.9bg7cezvedmkgg6c8yzvbhwsd redis:3.0.6 worker2 Running Running 26 seconds
redis.1.7q92v0nr1hcgts2amcjyqg3pq redis:7.4.0 manager1 Running Running 26 seconds
redis.2.7h2l8h3q3wqy5f66hlv9ddmi6 redis:7.4.0 worker1 Running Running 26 seconds
redis.3.9bg7cezvedmkgg6c8yzvbhwsd redis:7.4.0 worker2 Running Running 26 seconds
```
In this case the swarm manager distributed one task to each node. You may
@ -92,10 +92,10 @@ task assignments for the `redis` service:
$ docker service ps redis
NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR
redis.1.7q92v0nr1hcgts2amcjyqg3pq redis:3.0.6 manager1 Running Running 4 minutes
redis.2.b4hovzed7id8irg1to42egue8 redis:3.0.6 worker2 Running Running About a minute
\_ redis.2.7h2l8h3q3wqy5f66hlv9ddmi6 redis:3.0.6 worker1 Shutdown Shutdown 2 minutes ago
redis.3.9bg7cezvedmkgg6c8yzvbhwsd redis:3.0.6 worker2 Running Running 4 minutes
redis.1.7q92v0nr1hcgts2amcjyqg3pq redis:7.4.0 manager1 Running Running 4 minutes
redis.2.b4hovzed7id8irg1to42egue8 redis:7.4.0 worker2 Running Running About a minute
\_ redis.2.7h2l8h3q3wqy5f66hlv9ddmi6 redis:7.4.0 worker1 Shutdown Shutdown 2 minutes ago
redis.3.9bg7cezvedmkgg6c8yzvbhwsd redis:7.4.0 worker2 Running Running 4 minutes
```
The swarm manager maintains the desired state by ending the task on a node

26
content/manuals/engine/swarm/swarm-tutorial/rolling-update.md
View File

@ -8,8 +8,8 @@ notoc: true
In a previous step of the tutorial, you [scaled](scale-service.md) the number of
instances of a service. In this part of the tutorial, you deploy a service based
on the Redis 3.0.6 container tag. Then you upgrade the service to use the
Redis 3.0.7 container image using rolling updates.
on the Redis 7.4.0 container tag. Then you upgrade the service to use the
Redis 7.4.1 container image using rolling updates.
1. If you haven't already, open a terminal and ssh into the machine where you
run your manager node. For example, the tutorial uses a machine named
@ -23,7 +23,7 @@ Redis 3.0.7 container image using rolling updates.
--replicas 3 \
--name redis \
--update-delay 10s \
redis:3.0.6
redis:7.4.0
0u6a4s31ybk7yw2wyvtikmu50
```
@ -61,7 +61,7 @@ Redis 3.0.7 container image using rolling updates.
Parallelism: 1
Delay: 10s
ContainerSpec:
Image: redis:3.0.6
Image: redis:7.4.0
Resources:
Endpoint Mode: vip
```
@ -70,7 +70,7 @@ Redis 3.0.7 container image using rolling updates.
applies the update to nodes according to the `UpdateConfig` policy:
```console
$ docker service update --image redis:3.0.7 redis
$ docker service update --image redis:7.4.1 redis
redis
```
@ -100,7 +100,7 @@ Redis 3.0.7 container image using rolling updates.
Parallelism: 1
Delay: 10s
ContainerSpec:
Image: redis:3.0.7
Image: redis:7.4.1
Resources:
Endpoint Mode: vip
```
@ -135,16 +135,16 @@ Redis 3.0.7 container image using rolling updates.
$ docker service ps redis
NAME IMAGE NODE DESIRED STATE CURRENT STATE ERROR
redis.1.dos1zffgeofhagnve8w864fco redis:3.0.7 worker1 Running Running 37 seconds
\_ redis.1.88rdo6pa52ki8oqx6dogf04fh redis:3.0.6 worker2 Shutdown Shutdown 56 seconds ago
redis.2.9l3i4j85517skba5o7tn5m8g0 redis:3.0.7 worker2 Running Running About a minute
\_ redis.2.66k185wilg8ele7ntu8f6nj6i redis:3.0.6 worker1 Shutdown Shutdown 2 minutes ago
redis.3.egiuiqpzrdbxks3wxgn8qib1g redis:3.0.7 worker1 Running Running 48 seconds
\_ redis.3.ctzktfddb2tepkr45qcmqln04 redis:3.0.6 mmanager1 Shutdown Shutdown 2 minutes ago
redis.1.dos1zffgeofhagnve8w864fco redis:7.4.1 worker1 Running Running 37 seconds
\_ redis.1.88rdo6pa52ki8oqx6dogf04fh redis:7.4.0 worker2 Shutdown Shutdown 56 seconds ago
redis.2.9l3i4j85517skba5o7tn5m8g0 redis:7.4.1 worker2 Running Running About a minute
\_ redis.2.66k185wilg8ele7ntu8f6nj6i redis:7.4.0 worker1 Shutdown Shutdown 2 minutes ago
redis.3.egiuiqpzrdbxks3wxgn8qib1g redis:7.4.1 worker1 Running Running 48 seconds
\_ redis.3.ctzktfddb2tepkr45qcmqln04 redis:7.4.0 mmanager1 Shutdown Shutdown 2 minutes ago
```
Before Swarm updates all of the tasks, you can see that some are running
`redis:3.0.6` while others are running `redis:3.0.7`. The output above shows
`redis:7.4.0` while others are running `redis:7.4.1`. The output above shows
the state once the rolling updates are done.
## Next steps