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change the environmental variable to COLLECTOR_CRON_SCHEDULE

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This commit is contained in:
Jason Kulatunga
2022-05-01 22:13:11 -07:00
parent ce3d45e543
commit 646d0eff15
4 changed files with 7 additions and 7 deletions
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README.md
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@@ -151,9 +151,9 @@ Neither file is required, however if provided, it allows you to configure how Sc
## Cron Schedule
Unfortunately the Cron schedule cannot be configured via the `collector.yaml` (as the collector binary needs to be trigged by a scheduler/cron).
However, if you are using the official `ghcr.io/analogj/scrutiny:master-collector` or `ghcr.io/analogj/scrutiny:master-omnibus` docker images,
you can use the `SCRUTINY_COLLECTOR_CRON_SCHEDULE` environmental variable to override the default cron schedule (daily @ midnight - `0 0 * * *`).
you can use the `COLLECTOR_CRON_SCHEDULE` environmental variable to override the default cron schedule (daily @ midnight - `0 0 * * *`).
`docker run -e SCRUTINY_COLLECTOR_CRON_SCHEDULE="0 0 * * *" ...`
`docker run -e COLLECTOR_CRON_SCHEDULE="0 0 * * *" ...`
## Notifications
docker/entrypoint-collector.sh
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@@ -6,8 +6,8 @@
printenv | sed 's/^\(.*\)$/export \1/g' > /env.sh
# adding ability to customize the cron schedule.
SCRUTINY_COLLECTOR_CRON_SCHEDULE=${SCRUTINY_COLLECTOR_CRON_SCHEDULE:-"0 0 * * *"}
sed -i 's|{SCRUTINY_COLLECTOR_CRON_SCHEDULE}|'"${SCRUTINY_COLLECTOR_CRON_SCHEDULE}"'|g' /etc/cron.d/scrutiny
COLLECTOR_CRON_SCHEDULE=${COLLECTOR_CRON_SCHEDULE:-"0 0 * * *"}
sed -i 's|{COLLECTOR_CRON_SCHEDULE}|'"${COLLECTOR_CRON_SCHEDULE}"'|g' /etc/cron.d/scrutiny
# now that we have the env start cron in the foreground
echo "starting cron"
rootfs/etc/cont-init.d/50-config
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@@ -1,4 +1,4 @@
#!/usr/bin/with-contenv bash
SCRUTINY_COLLECTOR_CRON_SCHEDULE=${SCRUTINY_COLLECTOR_CRON_SCHEDULE:-"0 0 * * *"}
sed -i 's|{SCRUTINY_COLLECTOR_CRON_SCHEDULE}|'"${SCRUTINY_COLLECTOR_CRON_SCHEDULE}"'|g' /etc/cron.d/scrutiny
COLLECTOR_CRON_SCHEDULE=${COLLECTOR_CRON_SCHEDULE:-"0 0 * * *"}
sed -i 's|{COLLECTOR_CRON_SCHEDULE}|'"${COLLECTOR_CRON_SCHEDULE}"'|g' /etc/cron.d/scrutiny
rootfs/etc/cron.d/scrutiny
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@@ -11,5 +11,5 @@ MAILTO=""
# correctly route collector logs (STDOUT & STDERR) to Cron foreground (collectable by Docker STDOUT)
# cron schedule to run daily at midnight: '0 0 * * *'
# System environmental variables are stripped by cron, source our dump of the docker environmental variables before each command (/env.sh)
{SCRUTINY_COLLECTOR_CRON_SCHEDULE} root . /env.sh; /scrutiny/bin/scrutiny-collector-metrics run >/proc/1/fd/1 2>/proc/1/fd/2
{COLLECTOR_CRON_SCHEDULE} root . /env.sh; /scrutiny/bin/scrutiny-collector-metrics run >/proc/1/fd/1 2>/proc/1/fd/2
# An empty line is required at the end of this file for a valid cron file.