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Merge pull request #1917 from friism/patch-1 

avoid syntax highlighter confusion
This commit is contained in:
Victor Vieux 2016-03-02 09:44:52 -08:00
parent 7e9c6bd963 03b8481f01
commit f6131d0331
1 changed files with 40 additions and 34 deletions
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docs/scheduler/filter.md
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@ -36,7 +36,7 @@ When you start a Swarm manager with the `swarm manage` command, all the filters
are enabled. If you want to limit the filters available to your Swarm, specify a subset are enabled. If you want to limit the filters available to your Swarm, specify a subset
of filters by passing the `--filter` flag and the name: of filters by passing the `--filter` flag and the name:
``` ```bash
$ swarm manage --filter=health --filter=dependency $ swarm manage --filter=health --filter=dependency
``` ```
@ -63,7 +63,7 @@ host. Currently, the default tags include:
Custom node labels you apply when you start the `docker daemon`, for example: Custom node labels you apply when you start the `docker daemon`, for example:
``` ```bash
$ docker daemon --label com.example.environment="production" --label $ docker daemon --label com.example.environment="production" --label
com.example.storage="ssd" com.example.storage="ssd"
``` ```
@ -86,13 +86,17 @@ To specify custom label for a node, pass a list of `--label`
options at `docker` startup time. For instance, to start `node-1` with the options at `docker` startup time. For instance, to start `node-1` with the
`storage=ssd` label: `storage=ssd` label:
$ docker daemon --label storage=ssd ```bash
$ swarm join --advertise=192.168.0.42:2375 token://XXXXXXXXXXXXXXXXXX $ docker daemon --label storage=ssd
$ swarm join --advertise=192.168.0.42:2375 token://XXXXXXXXXXXXXXXXXX
```
You might start a different `node-2` with `storage=disk`: You might start a different `node-2` with `storage=disk`:
$ docker daemon --label storage=disk ```bash
$ swarm join --advertise=192.168.0.43:2375 token://XXXXXXXXXXXXXXXXXX $ docker daemon --label storage=disk
$ swarm join --advertise=192.168.0.43:2375 token://XXXXXXXXXXXXXXXXXX
```
Once the nodes are joined to a cluster, the Swarm master pulls their respective Once the nodes are joined to a cluster, the Swarm master pulls their respective
tags. Moving forward, the master takes the tags into account when scheduling tags. Moving forward, the master takes the tags into account when scheduling
@ -133,35 +137,37 @@ The scheduler selected `node-2` since it was started with the `storage=disk` lab
Finally, build args can be used to apply node constraints to a `docker build`. Finally, build args can be used to apply node constraints to a `docker build`.
Again, you'll avoid flash drives. Again, you'll avoid flash drives.
$ mkdir sinatra ```bash
$ cd sinatra $ mkdir sinatra
$ echo "FROM ubuntu:14.04" > Dockerfile $ cd sinatra
$ echo "MAINTAINER Kate Smith <ksmith@example.com>" >> Dockerfile $ echo "FROM ubuntu:14.04" > Dockerfile
$ echo "RUN apt-get update && apt-get install -y ruby ruby-dev" >> Dockerfile $ echo "MAINTAINER Kate Smith <ksmith@example.com>" >> Dockerfile
$ echo "RUN gem install sinatra" >> Dockerfile $ echo "RUN apt-get update && apt-get install -y ruby ruby-dev" >> Dockerfile
$ docker build --build-arg=constraint:storage==disk -t ouruser/sinatra:v2 . $ echo "RUN gem install sinatra" >> Dockerfile
Sending build context to Docker daemon 2.048 kB $ docker build --build-arg=constraint:storage==disk -t ouruser/sinatra:v2 .
Step 1 : FROM ubuntu:14.04 Sending build context to Docker daemon 2.048 kB
Step 1 : FROM ubuntu:14.04
---> a5a467fddcb8 ---> a5a467fddcb8
Step 2 : MAINTAINER Kate Smith <ksmith@example.com> Step 2 : MAINTAINER Kate Smith <ksmith@example.com>
---> Running in 49e97019dcb8 ---> Running in 49e97019dcb8
---> de8670dcf80e ---> de8670dcf80e
Removing intermediate container 49e97019dcb8 Removing intermediate container 49e97019dcb8
Step 3 : RUN apt-get update && apt-get install -y ruby ruby-dev Step 3 : RUN apt-get update && apt-get install -y ruby ruby-dev
---> Running in 26c9fbc55aeb ---> Running in 26c9fbc55aeb
---> 30681ef95fff ---> 30681ef95fff
Removing intermediate container 26c9fbc55aeb Removing intermediate container 26c9fbc55aeb
Step 4 : RUN gem install sinatra Step 4 : RUN gem install sinatra
---> Running in 68671d4a17b0 ---> Running in 68671d4a17b0
---> cd70495a1514 ---> cd70495a1514
Removing intermediate container 68671d4a17b0 Removing intermediate container 68671d4a17b0
Successfully built cd70495a1514 Successfully built cd70495a1514
$ docker images $ docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
dockerswarm/swarm master 8c2c56438951 2 days ago 795.7 MB dockerswarm/swarm master 8c2c56438951 2 days ago 795.7 MB
ouruser/sinatra v2 cd70495a1514 35 seconds ago 318.7 MB ouruser/sinatra v2 cd70495a1514 35 seconds ago 318.7 MB
ubuntu 14.04 a5a467fddcb8 11 days ago 187.9 MB ubuntu 14.04 a5a467fddcb8 11 days ago 187.9 MB
```
### Use the health filter ### Use the health filter