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https://github.com/token2/snapd.git
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47 lines
1.5 KiB
YAML
47 lines
1.5 KiB
YAML
summary: Check that the tmp.size settings work
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environment:
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MOUNTCFG_FILE: /etc/systemd/system/tmp.mount.d/override.conf
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prepare: |
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if [ -f "$MOUNTCFG_FILE" ]; then
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echo "tmpfs configuration file already present, testbed not clean"
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exit 1
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fi
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restore: |
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rm -f "$MOUNTCFG_FILE"
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execute: |
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echo "Ensure tmp.size is not set initially"
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test ! -f "$MOUNTCFG_FILE"
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if snap get system tmp.size; then
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echo "Error: tmp.size is unexpectedly set"
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exit 1
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fi
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def_size=$(df --output=size /tmp | tail -1)
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echo "Ensure setting tmp.size works"
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for size in 100 200; do
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snap set system tmp.size="$size"M
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snap get system tmp.size | MATCH "$size"M
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df -h --output=size /tmp | MATCH "$size"M
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grep '^tmpfs /tmp' /proc/mounts | MATCH nosuid,nodev
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MATCH "Options=mode=1777,strictatime,nosuid,nodev,size=${size}M" "$MOUNTCFG_FILE"
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# Check that systemd is happy with the generated override.conf
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systemctl daemon-reload
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done
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echo "Unsetting gets things back to defaults"
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snap unset system tmp.size
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if snap get system tmp.size; then
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echo "Error: tmp.size is unexpectedly set"
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exit 1
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fi
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test ! -f "$MOUNTCFG_FILE"
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cur_size=$(df --output=size /tmp | tail -1)
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# For some odd reason, resizing to the default can have a difference with the
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# old one of one page (4k), at least in GCE, so we take that into account.
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test "$cur_size" -le $((def_size + 4)) && test "$cur_size" -ge $((def_size - 4))
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systemctl daemon-reload
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