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Update kubelet system container image to mount /etc/hosts 

* Fix kubelet port-forward on Google Cloud / Fedora Atomic
* Mount the host's /etc/hosts in kubelet system containers
* Problem: kubelet runc system containers on Atomic were not
mounting the host's /etc/hosts, like rkt-fly does on Container
Linux. `kubectl port-forward` calls socat with localhost. DNS
servers on AWS, DO, and in many bare-metal environments resolve
localhost to the caller as a convenience. Google Cloud notably
does not nor is it required to do so and this surfaced the
missing /etc/hosts in runc kubelet namespaces.
This commit is contained in:
Dalton Hubble 2018-04-15 21:54:12 -07:00
parent 2b74aba564
commit d8d1468f03
8 changed files with 8 additions and 8 deletions
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2
aws/fedora-atomic/kubernetes/cloudinit/controller.yaml.tmpl
View File

@ -111,7 +111,7 @@ runcmd:
- "atomic install --system --name=etcd quay.io/dghubble/etcd:0265e6680d2533f3fbf4512af868d29ff07451ca"
- [systemctl, start, --no-block, etcd.service]
- [systemctl, enable, cloud-metadata.service]
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:8767d4433f7c5a38c55edf6e682efb53fcd06f61"
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:0c2a541d26c1716f495f1dd17c26e9b36304eede"
- [systemctl, start, --no-block, kubelet.service]
users:
- default

2
aws/fedora-atomic/kubernetes/workers/cloudinit/worker.yaml.tmpl
View File

@ -59,7 +59,7 @@ bootcmd:
runcmd:
- [systemctl, daemon-reload]
- [systemctl, enable, cloud-metadata.service]
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:8767d4433f7c5a38c55edf6e682efb53fcd06f61"
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:0c2a541d26c1716f495f1dd17c26e9b36304eede"
- [systemctl, start, --no-block, kubelet.service]
users:
- default

2
bare-metal/fedora-atomic/kubernetes/cloudinit/controller.yaml.tmpl
View File

@ -101,7 +101,7 @@ runcmd:
- "atomic install --system --name=etcd quay.io/dghubble/etcd:0265e6680d2533f3fbf4512af868d29ff07451ca"
- [systemctl, start, --no-block, etcd.service]
- [hostnamectl, set-hostname, ${domain_name}]
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:8767d4433f7c5a38c55edf6e682efb53fcd06f61"
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:0c2a541d26c1716f495f1dd17c26e9b36304eede"
- [systemctl, enable, kubelet.path]
- [systemctl, start, --no-block, kubelet.path]
users:

2
bare-metal/fedora-atomic/kubernetes/cloudinit/worker.yaml.tmpl
View File

@ -49,7 +49,7 @@ bootcmd:
runcmd:
- [systemctl, daemon-reload]
- [hostnamectl, set-hostname, ${domain_name}]
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:8767d4433f7c5a38c55edf6e682efb53fcd06f61"
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:0c2a541d26c1716f495f1dd17c26e9b36304eede"
- [systemctl, enable, kubelet.path]
- [systemctl, start, --no-block, kubelet.path]
users:

2
digital-ocean/fedora-atomic/kubernetes/cloudinit/controller.yaml.tmpl
View File

@ -115,7 +115,7 @@ runcmd:
- "atomic install --system --name=etcd quay.io/dghubble/etcd:0265e6680d2533f3fbf4512af868d29ff07451ca"
- [systemctl, start, --no-block, etcd.service]
- [systemctl, enable, cloud-metadata.service]
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:8767d4433f7c5a38c55edf6e682efb53fcd06f61"
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:0c2a541d26c1716f495f1dd17c26e9b36304eede"
- [systemctl, enable, kubelet.path]
- [systemctl, start, --no-block, kubelet.path]
users:

2
digital-ocean/fedora-atomic/kubernetes/cloudinit/worker.yaml.tmpl
View File

@ -63,7 +63,7 @@ bootcmd:
runcmd:
- [systemctl, daemon-reload]
- [systemctl, enable, cloud-metadata.service]
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:8767d4433f7c5a38c55edf6e682efb53fcd06f61"
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:0c2a541d26c1716f495f1dd17c26e9b36304eede"
- [systemctl, enable, kubelet.path]
- [systemctl, start, --no-block, kubelet.path]
users:

2
google-cloud/fedora-atomic/kubernetes/cloudinit/controller.yaml.tmpl
View File

@ -112,7 +112,7 @@ runcmd:
- "atomic install --system --name=etcd quay.io/dghubble/etcd:0265e6680d2533f3fbf4512af868d29ff07451ca"
- [systemctl, start, --no-block, etcd.service]
- [systemctl, enable, cloud-metadata.service]
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:8767d4433f7c5a38c55edf6e682efb53fcd06f61"
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:0c2a541d26c1716f495f1dd17c26e9b36304eede"
- [systemctl, start, --no-block, kubelet.service]
users:
- default

2
google-cloud/fedora-atomic/kubernetes/workers/cloudinit/worker.yaml.tmpl
View File

@ -60,7 +60,7 @@ bootcmd:
runcmd:
- [systemctl, daemon-reload]
- [systemctl, enable, cloud-metadata.service]
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:8767d4433f7c5a38c55edf6e682efb53fcd06f61"
- "atomic install --system --name=kubelet quay.io/dghubble/kubelet:0c2a541d26c1716f495f1dd17c26e9b36304eede"
- [systemctl, start, --no-block, kubelet.service]
users:
- default