39 lines
1 KiB
Bash
Executable file
39 lines
1 KiB
Bash
Executable file
#! /bin/sh
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# Try whether the PostgreSQL in container accepts connections.
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#
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# With --live, be tolerant to starting PG server. If the /bin/postgres binary
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# has not been executed yet (the shell script is initializing the container),
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# wait for it (this script might run forever, we expect that the timeout is
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# maintained externally).
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test -z "$ENABLED_COLLECTIONS" || . scl_source enable $ENABLED_COLLECTIONS
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check=ready
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case $1 in
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--live) check=live ;;
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esac
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while true; do
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# Wait until the /bin/postgres is executed.
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case $(readlink -f /proc/1/exe) in
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*bash) sleep 0.2; continue ;;
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*) break ;;
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esac
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done
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# Timeout is infinite (openshift template has the timeout pre-set)
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pg_isready -q \
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-h 127.0.0.1 \
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${POSTGRESQL_USER+-U "$POSTGRESQL_USER"} \
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${POSTGRESQL_DATABASE+-d "$POSTGRESQL_DATABASE"} \
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--timeout 0
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rc=$?
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# we are ready only if the db accepts connections
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test $rc -eq 0 && exit 0
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# container is live also during pg cluster start-up
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test $rc -eq 1 && test $check = live && exit 0
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exit 1
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