Skip to content

Added by Schinti95: IP Address lookup when using docker networks. #24

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Added by Schinti95: IP Address lookup when using docker networks. #24

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
cc61f3f
added custom ipaddress lookup for containers in custom networks
steschi Mar 15, 2016
0051f99
adding log message to debug
steschi Mar 15, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@

A simple DNS server to resolve names of local Docker containers.

`Added by Schinti95:` IP Address lookup when using docker networks.

`resolvable` is intended to run in a Docker container:

docker run -d \
Expand Down
8 changes: 7 additions & 1 deletion main.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,12 @@ func registerContainers(docker *dockerapi.Client, events chan *dockerapi.APIEven
}
continue
}
for key, value := range container.NetworkSettings.Networks {
if value.IPAddress != "" {
log.Println("Found Container with IP: ", value.IPAddress, "from Network: ", key)
return net.ParseIP(value.IPAddress), nil
}
}

return nil, fmt.Errorf("unknown network mode", container.HostConfig.NetworkMode)
}
Expand Down Expand Up @@ -229,7 +235,7 @@ func run() error {
}
defer dnsResolver.Close()

localDomain := "docker"
localDomain := "internal"
dnsResolver.AddUpstream(localDomain, nil, 0, localDomain)

resolvConfig, err := dns.ClientConfigFromFile("/etc/resolv.conf")
Expand Down