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| author |  Chris O'Haver <cohaver@infoblox.com>
| 2018-10-18 10:19:22 -0400 |
|---|---|---|
| committer |  Miek Gieben <miek@miek.nl>
| 2018-10-18 15:19:22 +0100 |
| commit | db92d5ecc3e57257b0e50c9eb8d7a3a1b7ac3919 (patch) | |
| tree | 81c929b50944e9ea265c35fe09772b12f20f4e54 /plugin | |
| parent | 4215ef02795e4733ee73d0349d49ae43de2feaa6 (diff) | |
| download | coredns-db92d5ecc3e57257b0e50c9eb8d7a3a1b7ac3919.tar.gz coredns-db92d5ecc3e57257b0e50c9eb8d7a3a1b7ac3919.tar.zst coredns-db92d5ecc3e57257b0e50c9eb8d7a3a1b7ac3919.zip | |
Update README.md (#2213)
Diffstat (limited to 'plugin')
| -rw-r--r-- | plugin/loop/README.md | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/plugin/loop/README.md b/plugin/loop/README.md index 5b0a95bda..74b749ecd 100644 --- a/plugin/loop/README.md +++ b/plugin/loop/README.md @@ -54,6 +54,7 @@ DNS servers. This is a fatal error because operating with an infinite loop will memory and CPU until eventual out of memory death by the host. A forwarding loop is usually caused by: + * Most commonly, CoreDNS forwarding requests directly to itself. e.g. to `127.0.0.1` or `127.0.0.53` * Less commonly, CoreDNS forwarding to an upstream server that in turn, forwards requests back to CoreDNS. @@ -75,9 +76,10 @@ to proxy/forward requests to. Since it contains a local address, CoreDNS ends u requests to itself. There are many ways to work around this issue, some are listed here: + * Add the following to `kubelet`: `--resolv-conf /run/systemd/resolve/resolv.conf`. This flag tells `kubelet` to pass an alternate `resolv.conf` to Pods. For `systemd-resolved`, `/run/systemd/resolve/resolv.conf` is typically the location of the "original" `/etc/resolv.conf`. * Disable `systemd-resolved` on host nodes, and restore `/etc/resolv.conf` to the original. * A quick and dirty fix is to edit your Corefile, replacing `proxy . /etc/resolv.conf` with -the ip address of your upstream DNS, for example `proxy . 8.8.8.8`.
\ No newline at end of file +the ip address of your upstream DNS, for example `proxy . 8.8.8.8`. |