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26 lines
868 B
Bash
26 lines
868 B
Bash
#!/bin/bash
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# Check if socket is available and readable
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if ! [ -a "/var/run/docker.sock" ]; then
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echo "Docker socket is not available. Cannot continue."
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exit 1
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elif ! test -r /var/run/docker.sock; then
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echo "Docker socket is not readable by the root user. Cannot continue."
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exit 1
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fi
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if [ -f /run/.containerenv ]; then
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# If running under podman disable memory_swappiness setting in watchtower.
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# It is a necessary workaround until https://github.com/containers/podman/issues/23824 gets fixed.
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echo "Running under Podman. Setting WATCHTOWER_DISABLE_MEMORY_SWAPPINESS to 1."
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export WATCHTOWER_DISABLE_MEMORY_SWAPPINESS=1
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fi
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if [ -n "$CONTAINER_TO_UPDATE" ]; then
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exec /watchtower --cleanup --debug --run-once "$CONTAINER_TO_UPDATE"
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else
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echo "'CONTAINER_TO_UPDATE' is not set. Cannot update anything."
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exit 1
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fi
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exec "$@"
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