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add rpc_public_addr_subnet config option #817

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lx merged 1 commit from flokli/garage:rpc_public_addr_subnet into main 2024-06-18 12:40:08 +00:00
Conversation 1 Commits 1 Files changed 8 +60 -9
flokli commented 2024-04-23 09:18:18 +00:00
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In case rpc_public_addr is not set, but autodiscovery is used, this
allows filtering the list of automatically discovered IPs to a specific
subnet.

For example, if nodes should pick their IP inside a specific subnet,
but you don't want to explicitly write the IP down (as it's dynamic, or
you want to share configs across nodes), you can use this option.

Fixes #811.

In case `rpc_public_addr` is not set, but autodiscovery is used, this allows filtering the list of automatically discovered IPs to a specific subnet. For example, if nodes should pick *their* IP inside a specific subnet, but you don't want to explicitly write the IP down (as it's dynamic, or you want to share configs across nodes), you can use this option. Fixes https://git.deuxfleurs.fr/Deuxfleurs/garage/issues/811.
flokli changed title from add rpc_public_addr_subnet config option to WIP: add rpc_public_addr_subnet config option 2024-04-23 09:18:25 +00:00
flokli reviewed 2024-04-23 09:24:56 +00:00
Cargo.toml Outdated
@ -55,6 +55,7 @@ hexdump = "0.1"
hmac = "0.12"
idna = "0.5"
itertools = "0.12"
ipnet = "2.9.0"
flokli commented 2024-04-23 09:24:56 +00:00
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This was already in the list of dependencies (through reqwest), but we now explicitly depend on it, too.

This was already in the list of dependencies (through `reqwest`), but we now explicitly depend on it, too.
👍 1
flokli force-pushed rpc_public_addr_subnet from 79729da4af to 3dc836afcb 2024-04-23 09:38:18 +00:00 Compare
flokli force-pushed rpc_public_addr_subnet from 3dc836afcb to 6d0b343232 2024-05-07 08:23:50 +00:00 Compare
flokli changed title from WIP: add rpc_public_addr_subnet config option to add rpc_public_addr_subnet config option 2024-05-07 08:23:56 +00:00
flokli commented 2024-05-07 08:25:39 +00:00
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I applied this to all cluster nodes, then set my desired netmask in the option provided above, and indeed I don't see any other IP addresses anymore.

Happy to keep it running for some more time, but I think this is ready for review now :-)

I applied this to all cluster nodes, then set my desired netmask in the option provided above, and indeed I don't see any other IP addresses anymore. Happy to keep it running for some more time, but I think this is ready for review now :-)
lx requested changes 2024-05-24 16:25:58 +00:00
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doc/book/reference-manual/configuration.md Outdated
@ -543,6 +543,14 @@ RPC calls. **This parameter is optional but recommended.** In case you have
a NAT that binds the RPC port to a port that is different on your public IP,
this field might help making it work.
#### `rpc_public_addr_subnet` {#rpc_public_addr_subnet}
lx commented 2024-05-24 16:25:21 +00:00
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New options should also be added in the example config file at the beginning of the page (that contains an instance of all configuration parameters), as well as in the index/list of everything at the beginning of "available configuration options".

New options should also be added in the example config file at the beginning of the page (that contains an instance of all configuration parameters), as well as in the index/list of everything at the beginning of "available configuration options".
flokli commented 2024-05-24 19:30:50 +00:00
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rpc_public_addr_subnet only applies if rpc_public_addr is not set (as it influences autodiscovery), which only happens if that is not set.

I added a comment, and a commented-out example value.

`rpc_public_addr_subnet` only applies if `rpc_public_addr` is not set (as it influences autodiscovery), which only happens if that is not set. I added a comment, and a commented-out example value.
src/rpc/system.rs Outdated
@ -881,0 +901,4 @@
error!(
"Cannot parse rpc_public_addr_subnet {} from config file: {}. Ignoring.",
filter_subnet_str, e
);
lx commented 2024-05-24 16:23:33 +00:00
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I think we probably want this to be a hard error that makes garage exit immediately, because the only reason for this is a syntax error in the config file which is the admin's fault

I think we probably want this to be a hard error that makes garage exit immediately, because the only reason for this is a syntax error in the config file which is the admin's fault
flokli commented 2024-05-24 19:32:36 +00:00
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I made this a panic!. This function doesn't return errors, and threading that through would be a bit more of a diff.
It seems panic! is also commonly used in other places that deal with config parsing.

Long-term, we probably want to move these parsing concerns to much earlier into the CLI code, not that late, but that also feels out of scope for this PR.

I made this a `panic!`. This function doesn't return errors, and threading that through would be a bit more of a diff. It seems `panic!` is also commonly used in other places that deal with config parsing. Long-term, we probably want to move these parsing concerns to much earlier into the CLI code, not that late, but that also feels out of scope for this PR.
👍 1
flokli force-pushed rpc_public_addr_subnet from 6d0b343232 to 600f8c5c90 2024-05-24 19:30:43 +00:00 Compare
flokli requested review from lx 2024-05-25 11:23:29 +00:00
lx requested changes 2024-05-29 14:42:29 +00:00
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lx left a comment
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Tiny changes, thanks for your patience

Tiny changes, thanks for your patience
doc/book/reference-manual/configuration.md Outdated
@ -543,6 +546,14 @@ RPC calls. **This parameter is optional but recommended.** In case you have
a NAT that binds the RPC port to a port that is different on your public IP,
this field might help making it work.
#### `rpc_public_addr_subnet` {#rpc_public_addr_subnet}
lx commented 2024-05-29 14:40:36 +00:00
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A reference should also be added in the list that starts on line 93

A reference should also be added in the list that starts on line 93
flokli commented 2024-06-05 06:41:06 +00:00
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Done

Done
flokli marked this conversation as resolved
src/rpc/system.rs Outdated
@ -881,0 +892,4 @@
.and_then(|filter_subnet_str| match filter_subnet_str.parse::<ipnet::IpNet>() {
Ok(filter_subnet) => {
let filter_subnet_trunc = filter_subnet.trunc();
if filter_subnet.trunc() != filter_subnet {
lx commented 2024-05-29 14:41:09 +00:00
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this code calls .trunc() again instead of using the filter_subnet_trunc variable

this code calls `.trunc()` again instead of using the `filter_subnet_trunc` variable
flokli commented 2024-06-05 06:41:58 +00:00
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Good catch! Might have missed while moving things around. Updated.

Good catch! Might have missed while moving things around. Updated.
flokli marked this conversation as resolved
flokli force-pushed rpc_public_addr_subnet from 600f8c5c90 to a0f6bc5b7f 2024-06-05 06:42:23 +00:00 Compare
flokli requested review from lx 2024-06-09 11:15:15 +00:00
lx approved these changes 2024-06-18 12:39:59 +00:00
lx left a comment
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Thanks!

Thanks!
lx merged commit 770384cae1 into main 2024-06-18 12:40:08 +00:00
flokli deleted branch rpc_public_addr_subnet 2024-07-10 13:38:17 +00:00
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Reference: Deuxfleurs/garage#817
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