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Reloading Nginx on schedule with entrypoint script (think LetsEncrypt certs) #509

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Reloading Nginx on schedule with entrypoint script (think LetsEncrypt certs) #509

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3119733
FEAT: entrypoint script background-reloading Nginx (think LetsEncrypt…
aspiridonovs Feb 22, 2021
451f819
UX: output during reload; FIX: chmod +x
aspiridonovs Feb 22, 2021
37fa993
FEAT: validate provided value
aspiridonovs Feb 22, 2021
3fb5e23
CHORE: EOF newlines to be nice
aspiridonovs Feb 22, 2021
0e9b58e
CHORE: concise VAR name, no tautology
aspiridonovs Feb 22, 2021
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1 change: 1 addition & 0 deletions Dockerfile-alpine.template
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Expand Up @@ -106,6 +106,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
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1 change: 1 addition & 0 deletions Dockerfile-debian.template
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Expand Up @@ -97,6 +97,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
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18 changes: 18 additions & 0 deletions entrypoint/40-reload-every-x-hours.sh
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@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
18 changes: 18 additions & 0 deletions mainline/alpine-perl/40-reload-every-x-hours.sh
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@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
1 change: 1 addition & 0 deletions mainline/alpine-perl/Dockerfile
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Expand Up @@ -117,6 +117,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
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18 changes: 18 additions & 0 deletions mainline/alpine/40-reload-every-x-hours.sh
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@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
1 change: 1 addition & 0 deletions mainline/alpine/Dockerfile
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Expand Up @@ -116,6 +116,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
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18 changes: 18 additions & 0 deletions mainline/debian-perl/40-reload-every-x-hours.sh
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@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
1 change: 1 addition & 0 deletions mainline/debian-perl/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
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18 changes: 18 additions & 0 deletions mainline/debian/40-reload-every-x-hours.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
1 change: 1 addition & 0 deletions mainline/debian/Dockerfile
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Expand Up @@ -107,6 +107,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
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18 changes: 18 additions & 0 deletions stable/alpine-perl/40-reload-every-x-hours.sh
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@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
1 change: 1 addition & 0 deletions stable/alpine-perl/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
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18 changes: 18 additions & 0 deletions stable/alpine/40-reload-every-x-hours.sh
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Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
1 change: 1 addition & 0 deletions stable/alpine/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
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18 changes: 18 additions & 0 deletions stable/debian-perl/40-reload-every-x-hours.sh
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Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
1 change: 1 addition & 0 deletions stable/debian-perl/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
Expand Down
18 changes: 18 additions & 0 deletions stable/debian/40-reload-every-x-hours.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
#!/bin/sh

set -e

ME=$(basename $0)

[ "${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS:-}" ] || exit 0
if [ $(echo "$NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS > 0" | bc) == 0 ]; then
echo >&3 "$ME: Error. Provide integer or floating point number greater that 0. See 'man sleep'."
exit 1
fi

start_background_reload() {
echo >&3 "$ME: Reloading Nginx every $NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS hour(s)"
while :; do sleep ${NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS}h; echo >&3 "$ME: Reloading Nginx ..." && nginx -s reload; done &
}

start_background_reload
1 change: 1 addition & 0 deletions stable/debian/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,7 @@ COPY docker-entrypoint.sh /
COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
COPY 30-tune-worker-processes.sh /docker-entrypoint.d
COPY 40-reload-every-x-hours.sh /docker-entrypoint.d
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 80
Expand Down