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container: :host networking mode

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Host networking is unique from the other network drivers. It requires
the container to run (.withNetworkMode "host"). Trying to create a
docker network with the "host" driver does not work.

This adds a special keyword `:host` which may be set as the container
:network.
This commit is contained in:
Ryan Sundberg 2024-04-30 11:27:17 -07:00
parent 802f18af55
commit ce8eaaf305
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GPG key ID: 6A2322F8C0ABF7AB
2 changed files with 10 additions and 8 deletions
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14
README.md
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@ -74,7 +74,7 @@ Creates a testcontainers instance from a given Docker label and returns them
| `:exposed-ports` | Vector with ints, mandatory | All ports which should be exposed and mapped to a local port |
| `:env-vars` | Map | A map with environment variables |
| `:command` | Vector with strings | The start command of the container |
| `:network` | Map | A map containing the configuration of a Docker Network (see: `create-network`) |
| `:network` | Map | A map containing the configuration of a Docker Network (see: `create-network`). For host networking, use :host |
| `:network-aliases` | Map | A list of alias names for the container on the network |
| `:wait-for` | Map | A map containing the [wait strategy](doc/wait-strategies.md) to use and the condition to check for |
| `:log-to` | Map | A map containing the [log strategy](doc/log-strategies.md) to use, e.g. {:log-strategy string} |
@ -129,10 +129,10 @@ Initializes a given Testcontainer, which was e.g. provided by a library
| `:exposed-ports` | Vector with ints, mandatory | All ports which should be exposed and mapped to a local port |
| `:env-vars` | Map | A map with environment variables |
| `:command` | Vector with strings | The start command of the container |
| `:network` | Map | A map containing the configuration of a Docker Network (see: `create-network`) |
| `:network` | Map or :host | A map containing the configuration of a Docker Network (see: `create-network`). For host networking, use :host |
| `:network-aliases` | Map | A list of alias names for the container on the network |
| `:wait-for` | Map | A map containing the [wait strategy](doc/wait-strategies.md) to use and the condition to check for |
| `:log-to` | Map | A map containing the [log strategy](doc/log-strategies.md) to use, e.g. {:log-strategy string} |
| `:wait-for` | Map | A map containing the [wait strategy](doc/wait-strategies.md) to use and the condition to check for |
| `:log-to` | Map | A map containing the [log strategy](doc/log-strategies.md) to use, e.g. {:log-strategy string} |
| | | |
#### Result:
@ -143,7 +143,7 @@ Initializes a given Testcontainer, which was e.g. provided by a library
| `:exposed-ports` | Vector with ints | Value of the same input parameter |
| `:env-vars` | Map | Value of the same input parameter |
| `:host` | String | The host for the Docker Container |
| `:network` | Map | The network configuration of the Container, if provided |
| `:network` | Map or :host | The network configuration of the Container, if provided. |
| `:wait-for` | Map | The wait-for configuration of the Container, if provided! |
#### Example:
@ -183,7 +183,7 @@ Creates a testcontainer from a Dockerfile
| `:exposed-ports` | Vector with ints, mandatory | All ports which should be exposed and mapped to a local port |
| `:env-vars` | Map | A map with environment variables |
| `:command` | Vector with strings | The start command of the container |
| `:network` | Map | A map containing the configuration of a Docker Network (see: `create-network`) |
| `:network` | Map | A map containing the configuration of a Docker Network (see: `create-network`). For host networking, use :host |
| `:network-aliases` | Map | A list of alias names for the container on the network |
| `:wait-for` | Map | A map containing the [wait strategy](doc/wait-strategies.md) to use and the condition to check for |
| `:log-to` | Map | A map containing the [log strategy](doc/log-strategies.md) to use, e.g. {:log-strategy string} |
@ -399,7 +399,7 @@ Creates a network. The optional map accepts config values for enabling ipv6 and
| Key | Type | Description |
| ------------- | :------------- | :----- |
| `:ipv6` | boolean | Should the network enable IPv6? |
| `:driver` | String | The network driver used by Docker, e.g. `bridge` or `host` |
| `:driver` | String | The network driver used by Docker, e.g. `bridge` |
#### Result:

4
src/clj_test_containers/core.clj
View file

@ -198,7 +198,9 @@
(.setCommand container ^"[Ljava.lang.String;" (into-array String command)))
(when network
(.setNetwork container (:network network)))
(if (= :host network)
(.withNetworkMode container "host")
(.setNetwork container (:network network))))
(when network-aliases
(.setNetworkAliases container network-aliases))