additional Grafana settings for dashboard widgets to work

[garryavx]

I was following this:
https://github.com/sipcapture/homer/wiki/homer-seven-setup/#grafana
just the grafana section really to add on grafana to my Homer install.
I found that the following things were needed in addition to what's listed in the guide. note that not all of these may be strictly necessary, I would find something that looked like it needed to be filled out, try it and then try something else until it worked.

for starters. I had changed my grafana listen port to 3010 due to a conflict with the
HEPWSAddr = "0.0.0.0:3000"
in my /etc/heplify-server.toml file. this is probably due to the fact that I initially used the .sh auto installer provided here:
https://github.com/sipcapture/homer-installer#page_with_curl-bash-installer
and that doesn't do any grafana stuff. but thought it worth mentioning as it's where I started as my base install of homer.

next, after installing grafana I logged in and generated an API key for myself, and ended up sticking it...well everywhere I found a reference to grafana and the phrase "token" or "key".

now, to edit some configs with the grafana stuff
In the homer UI under settings > advanced > grafana, I changed the host to 127.0.0.1:3010 (from grafana:3000) and tossed my API token in the token field too.
in /usr/local/homer/etc/, hop into the swagger.json, find this section:
"GrafanaUrl": {
"type": "object",
"properties": {
"data": {
"type": "string",
"x-go-name": "Data",
"example": "localhost:3010"
}
},
in this excerpt I've already changed my port, but it was incorrect (3000) before.

then, in the same directory, the webapp_config.json file:
"grafana_config": {
"enable": true,
"help": "Settings for Grafana",
"host": "http://127.0.0.1:3010",
"path": "/grafana",
"token": "really long API token here"
},
fill in your api token and correct the port.

I think that's it for homer stuff. now to the /etc/grafana/grafana.ini
uncomment the root_url parameter and in my case I added "grafana" to the end of it. like so:
root_url = %(protocol)s://%(domain)s:%(http_port)s/grafana
last, set allow_embedding = true (dont forget to uncomment again!)

After that i restarted everything and was able to add widgets and have them load correctly.

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