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Add VC_ENABLE_RDS_OFFHOST build-arg for Alpine Linux #13

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Add VC_ENABLE_RDS_OFFHOST build-arg for Alpine Linux #13

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5 changes: 4 additions & 1 deletion alpine/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ LABEL app=vividcortex
## REMOVE CONTAINER AND IMAGE: docker rm --force vividcortex; docker rmi --force vcimage

ARG VC_API_TOKEN
ARG VC_ENABLE_RDS_OFFHOST

WORKDIR /
ENTRYPOINT ["/usr/local/bin/vc-agent-007","-foreground","-forbid-restarts"]
Expand All @@ -29,4 +30,6 @@ RUN test -n "${VC_API_TOKEN}" && \
rm -f install && \
sed '1 a "log-max-size":"5",' /etc/vividcortex/global.conf > /etc/vividcortex/tempconf && \
sed '1 a "log-max-backups":"1",' /etc/vividcortex/tempconf > /etc/vividcortex/global.conf && \
rm -f /etc/vividcortex/tempconf && chmod 600 /etc/vividcortex/global.conf
rm -f /etc/vividcortex/tempconf && chmod 600 /etc/vividcortex/global.conf && \
test -n "${VC_ENABLE_RDS_OFFHOST}" && \
printf '{\n "force-offhost-digests": "true",\n "force-offhost-samples": "true"\n}\n' >/etc/vividcortex/vc-mysql-metrics.conf || true
17 changes: 17 additions & 0 deletions alpine/README.md
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Expand Up @@ -8,6 +8,20 @@ To use, you should build a image for your environment:
docker build --force-rm --build-arg VC_API_TOKEN=xxxxxxxxxxxxxxxx -t vcimage \
https://raw.githubusercontent.com/VividCortex/docker/master/alpine/Dockerfile

Optional build-args:

* `VC_ENABLE_RDS_OFFHOST`, for AWS RDS DB instances, let the VividCortex agent
enable digests and query sampling since one cannot set relevant parameters in
`my.cnf` and it is not exposed in Parameter Groups. See [VividCortex docs][1].
Usage: `--build-arg VC_ENABLE_RDS_OFFHOST=1`. Creates
`/etc/vividcortex/vc-mysql-metrics.conf`:

{
"force-offhost-digests": "true",
"force-offhost-samples": "true"
}


You can get your API token from the host wizard in VividCortex as follows:
In your account from the Hosts page add a new host by clicking the "Add New
Host" button in the upper right. From "Where Is The Service You Want To
Expand All @@ -31,3 +45,6 @@ where:
```

Original work kindly contributed by @phobologic. Thanks Mike!


[1]: https://docs.vividcortex.com/getting-started/off-host-installation/#enabling-performance-schema-on-mysql