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Slack Bot SSL Issue #189

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Merged
mattmakai merged 2 commits into from
Oct 7, 2018
Merged

Slack Bot SSL Issue #189

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754edbf
Include additional note section to fix SSL cert in case oferror
anotherwally Oct 1, 2018
ee86b34
Include link to issue
anotherwally Oct 1, 2018
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12 changes: 12 additions & 0 deletions content/posts/160604-build-first-slack-bot-python.markdown
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Expand Up @@ -336,6 +336,18 @@ Now start giving Starter Bot commands in your channel.

<img src="/img/160604-simple-python-slack-bot/working-starterbot.png" width="100%" class="technical-diagram img-rounded" alt="Give StarterBot commands in your Slack channel.">

_**Additional Note:**_ Currently there's an [issue](https://github.com/slackapi/python-slackclient/issues/334) with the `websocket` package and the CA certificate it uses, so if you encounter an error like:
```
...
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1045)
...
slackclient.server.SlackConnectionError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1045)
Connection failed. Exception traceback printed above.
```

There are a couple of things that can be done:
1. Downgrading the websocket-client library to `0.47.0`
2. Or, download the certificate (`wget https://www.tbs-certificats.com/issuerdata/DigiCertGlobalRootCA.crt`), then set the environment variable `export WEBSOCKET_CLIENT_CA_BUNDLE=DigiCertGlobalRootCA.crt`

## Wrapping Up
Alright, now you've got a simple Starter Bot with a bunch of places in the
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