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Add a custom entrypoint: verify that data files are writable

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This commit is contained in:
James Lu 2020-03-01 13:19:05 -08:00
parent 038f166869
commit 64af9d2890
2 changed files with 27 additions and 1 deletions
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7
Dockerfile
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@ -36,6 +36,11 @@ ARG BUILD_CONTRIB_MODULES
RUN apk add --no-cache openssl && (test -z "$BUILD_CONTRIB_MODULES" || apk add --no-cache libexecinfo) RUN apk add --no-cache openssl && (test -z "$BUILD_CONTRIB_MODULES" || apk add --no-cache libexecinfo)
COPY --from=builder /atheme/ /atheme COPY --from=builder /atheme/ /atheme
# Add custom entrypoint to check that data dir is writable - Atheme does not check this by itself
RUN echo "$ATHEME_UID" > /.atheme_uid
COPY entrypoint.sh /
RUN adduser -D -h /atheme -u $ATHEME_UID atheme RUN adduser -D -h /atheme -u $ATHEME_UID atheme
RUN chown -R atheme /atheme RUN chown -R atheme /atheme
USER atheme USER atheme
@ -43,4 +48,4 @@ USER atheme
# Services config & DB # Services config & DB
VOLUME /atheme/etc VOLUME /atheme/etc
ENTRYPOINT ["/atheme/bin/atheme-services", "-n"] ENTRYPOINT ["/entrypoint.sh"]

21
entrypoint.sh Executable file
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@ -0,0 +1,21 @@
#!/bin/sh
DATADIR=/atheme/etc
if ! test -w "$DATADIR/"; then
echo "ERROR: $DATADIR must be mounted to a directory writable by UID $(cat /.atheme_uid)"
exit 1
fi
DBPATH="$DATADIR/services.db"
if test -f "$DBPATH" && ! test -r "$DBPATH"; then
echo "ERROR: $DBPATH must be readable by UID $(cat /.atheme_uid)"
exit 1
fi
TMPPATH="$DATADIR/services.db.new"
if test -f "$TMPPATH" && ! test -w "$TMPPATH"; then
echo "ERROR: $TMPPATH must either not exist or be writable by UID $(cat /.atheme_uid)"
exit 1
fi
/atheme/bin/atheme-services -n "$@"