ci: drop site-specific DNS — runner UPSTREAM_DNS handles it

5a89e27aa4bcedfa629d8f3b176c6b6fa24fcdd3

permissionBRICK <christoph.ambrosch@live.at>

Parents: 69ece46980357fb9e9a3aa60e7bb887ed248b34f
1 files changed, +4 -6Showing whitespace changes
.gitlab-ci.yml+4 -6
@@ -7,12 +7,10 @@ build-image:
77 services:
88 - name: docker:dind
99 alias: docker
10- # LAN blocks direct container DNS egress; the forwarder at 10.0.0.3
10+ # DNS for nested containers comes from the runner's
11- # (proxies to pihole) written into this service's resolv.conf is
11+ # GITGUD_RUNNER_UPSTREAM_DNS. --bip avoids network collisions; --mtu
12- # inherited by dind inner containers and BuildKit sandboxes (loopback
12+ # clamps the inner bridge (PMTUD blackhole).
13- # entries would be stripped). --bip avoids network collisions; --mtu
13+ command: ["sh", "-c", "DOCKER_TLS_CERTDIR='' exec dockerd-entrypoint.sh --bip=192.168.255.1/24 --mtu=1400"]
14- # clamps the inner bridge (PMTUD blackhole). Site-specific resolver.
15- command: ["sh", "-c", "echo 'nameserver 10.0.0.3' > /etc/resolv.conf; DOCKER_TLS_CERTDIR='' exec dockerd-entrypoint.sh --bip=192.168.255.1/24 --mtu=1400"]
1614 variables:
1715 DOCKER_HOST: tcp://docker:2375
1816 script: