.flow/jobs/isolation.sh at v0.3.1 · andymccall/oxygenflow

◆ v0.3.1 oxygenflow / .flow / jobs / isolation.sh

443 B · Bourne Again Shell (bash) · last changed OxygenFlow's own pipeline: layout, notes, size and isolation checks, then a summary, in microVMs on Earth 1 month ago source blame history raw

# What the job can see of the machine (docs/m0.md §2).
echo "kernel: $(uname -r), cpus: $(nproc), user: $(id -u)"
echo "interfaces: $(tail -n +3 /proc/net/dev | cut -d: -f1 | tr -d ' ' | tr '\n' ' ')"
if wget -q -T 3 -O /dev/null http://1.1.1.1 2>/dev/null; then echo "network reachable: not isolated" >&2; exit 1; fi
echo "no network"
if touch /etc/flow-probe 2>/dev/null; then echo "rootfs writable" >&2; exit 1; fi
echo "rootfs read-only"

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1	# What the job can see of the machine (docs/m0.md §2).
2	echo "kernel: $(uname -r), cpus: $(nproc), user: $(id -u)"
3	echo "interfaces: $(tail -n +3 /proc/net/dev \| cut -d: -f1 \| tr -d ' ' \| tr '\n' ' ')"
4	if wget -q -T 3 -O /dev/null http://1.1.1.1 2>/dev/null; then echo "network reachable: not isolated" >&2; exit 1; fi
5	echo "no network"
6	if touch /etc/flow-probe 2>/dev/null; then echo "rootfs writable" >&2; exit 1; fi
7	echo "rootfs read-only"

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