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Draft: LXC support for self-hosted runners #1682

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Draft: LXC support for self-hosted runners #1682

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c7f0532
add stopHostEnvironment to tear down the LXC container
earl-warren Mar 12, 2023
9c95665
shell script to start the LXC container
earl-warren Mar 12, 2023
3ee8456
create and destroy a LXC container
earl-warren Mar 12, 2023
fbad698
run commands with lxc-attach
earl-warren Mar 13, 2023
643a462
expose additional devices for docker & libvirt to work
earl-warren Mar 14, 2023
2ccb312
install node 16 & git for checkout to work
earl-warren Mar 15, 2023
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install node 16 & git for checkout to work
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@earl-warren
earl-warren committed Mar 16, 2023
commit 2ccb31234669f458fa5b70e737f6a3601033d130
22 changes: 18 additions & 4 deletions pkg/runner/run_context.go
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,12 @@ mount --bind {{ .Root }} /var/lib/lxc/{{.Name}}/rootfs/{{ .Root }}
mkdir /var/lib/lxc/{{.Name}}/rootfs/tmpdir
mount --bind {{.TmpDir}} /var/lib/lxc/{{.Name}}/rootfs/tmpdir

lxc-start {{.Name}}
lxc-wait --name {{.Name}} --state RUNNING

#
# Wait for the network to come up
#
cat > /var/lib/lxc/{{.Name}}/rootfs/tmpdir/networking.sh <<'EOF'
#!/bin/sh -xe
for d in $(seq 60); do
Expand All @@ -191,11 +197,19 @@ getent hosts wikipedia.org
EOF
chmod +x /var/lib/lxc/{{.Name}}/rootfs/tmpdir/networking.sh

lxc-start {{.Name}}
lxc-wait --name {{.Name}} --state RUNNING
lxc-attach --name {{.Name}} -- /tmpdir/networking.sh
exit 0
lxc-attach --name {{.Name}} -- /bin/sh -c 'cd "/woodpecker/{{ .Repo }}" && /bin/sh -ex /rundir/{{ .Script }}'

cat > /var/lib/lxc/{{.Name}}/rootfs/tmpdir/node.sh <<'EOF'
#!/bin/sh -xe
# https://github.com/nodesource/distributions#debinstall
apt-get install -y curl git
curl -fsSL https://deb.nodesource.com/setup_16.x | bash -
apt-get install -y nodejs
EOF
chmod +x /var/lib/lxc/{{.Name}}/rootfs/tmpdir/node.sh

lxc-attach --name {{.Name}} -- /tmpdir/node.sh

`))

var stopTemplate = template.Must(template.New("stop").Parse(`#!/bin/sh -x
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