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Merge pull request #107 from coreos/rkt-dnsmasq

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contrib/dnsmasq: Make coreos.com/dnsmasq:v0.2.0 rkt fetch-able
This commit is contained in:
Dalton Hubble
2016-03-18 13:25:40 -07:00
parent afe6da77b6 044d277393
commit bfc9b6806d
3 changed files with 14 additions and 11 deletions
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14
Documentation/getting-started-rkt.md
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@@ -65,8 +65,7 @@ Note: The insecure flag is needed for this case, since [Quay.io](https://quay.io
Alternately, run a recent tagged and signed [release](https://github.com/coreos/coreos-baremetal/releases). Trust the [CoreOS App Signing Key](https://coreos.com/dist/pubkeys/app-signing-pubkey.gpg) for image signature verification.
sudo rkt trust --prefix coreos.com/bootcfg
# Fingerprint 18AD 5014 C99E F7E3 BA5F 6CE9 50BD D3E0 FC8A 365E
# gpg key fingerprint is: 18AD 5014 C99E F7E3 BA5F 6CE9 50BD D3E0 FC8A 365E
sudo rkt run --net=metal0:IP=172.15.0.2 --mount volume=assets,target=/assets --volume assets,kind=host,source=$PWD/assets --mount volume=data,target=/data --volume data,kind=host,source=$PWD/examples coreos.com/bootcfg:v0.2.0 -- -address=0.0.0.0:8080 -log-level=debug -config /data/etcd-rkt.yaml
If you get an error about the IP assignment, garbage collect old pods.
@@ -84,15 +83,14 @@ Take a look at [etcd-rkt.yaml](../examples/etcd-rkt.yaml) to get an idea of how
Since the virtual network has no network boot services, use the `dnsmasq` ACI to create an iPXE network boot environment which runs DHCP, DNS, and TFTP.
Build the `dnsmasq.aci` ACI.
Trust the [CoreOS App Signing Key](https://coreos.com/dist/pubkeys/app-signing-pubkey.gpg).
cd contrib/dnsmasq
./get-tftp-files
sudo ./build-aci
sudo rkt trust --prefix coreos.com/dnsmasq
# gpg key fingerprint is: 18AD 5014 C99E F7E3 BA5F 6CE9 50BD D3E0 FC8A 365E
Run `dnsmasq.aci`.
Run the `coreos.com/dnsmasq` ACI with rkt.
sudo rkt --insecure-options=image run dnsmasq.aci --dns=8.8.8.8 --net=metal0:IP=172.15.0.3 -- -d -q --dhcp-range=172.15.0.50,172.15.0.99 --enable-tftp --tftp-root=/var/lib/tftpboot --dhcp-userclass=set:ipxe,iPXE --dhcp-boot=tag:#ipxe,undionly.kpxe --dhcp-boot=tag:ipxe,http://bootcfg.foo:8080/boot.ipxe --log-queries --log-dhcp --dhcp-option=3,172.15.0.1 --address=/bootcfg.foo/172.15.0.2
sudo rkt run coreos.com/dnsmasq:v0.2.0 --net=metal0:IP=172.15.0.3 -- -d -q --dhcp-range=172.15.0.50,172.15.0.99 --enable-tftp --tftp-root=/var/lib/tftpboot --dhcp-userclass=set:ipxe,iPXE --dhcp-boot=tag:#ipxe,undionly.kpxe --dhcp-boot=tag:ipxe,http://bootcfg.foo:8080/boot.ipxe --log-queries --log-dhcp --dhcp-option=3,172.15.0.1 --address=/bootcfg.foo/172.15.0.2
In this case, dnsmasq runs a DHCP server allocating IPs to VMs between 172.15.0.50 and 172.15.0.99, resolves `bootcfg.foo` to 172.15.0.2 (the IP where `bootcfg` runs), and points iPXE clients to `http://bootcfg.foo:8080/boot.ipxe`.

6
contrib/dnsmasq/README.md
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@@ -9,9 +9,11 @@ The image bundles `undionly.kpxe` which chainloads PXE clients to iPXE and `grub
## Usage
Build the ACI as described below. Run the ACI with [rkt](https://github.com/coreos/rkt).
Run the `coreos.com/dnsmasq` ACI with rkt.
sudo rkt --insecure-options=image run dnsmasq.aci
sudo rkt trust --prefix coreos.com/dnsmasq
# gpg key fingerprint is: 18AD 5014 C99E F7E3 BA5F 6CE9 50BD D3E0 FC8A 365E
sudo rkt run coreos.com/dnsmasq:v0.2.0
Press ^] three times to kill the container.

5
contrib/dnsmasq/build-aci
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@@ -13,7 +13,10 @@ acbuild --debug begin
trap "{ export EXT=$?; acbuild --debug end && exit $EXT; }" EXIT
# Name the ACI
acbuild --debug set-name coreos/dnsmasq
acbuild --debug set-name coreos.com/dnsmasq
# Add a version label
acbuild --debug label add version v0.2.0
# Add alpine base dependency
acbuild --debug dep add quay.io/coreos/alpine-sh