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feature/me
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v1.1.10
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2
.changelogs/1.1.10/335-prevalidate-affinity-matrix.yml
Normal file
2
.changelogs/1.1.10/335-prevalidate-affinity-matrix.yml
Normal file
@@ -0,0 +1,2 @@
|
||||
added:
|
||||
- Prevent redundant rebalancing by validating existing affinity enforcement before taking actions (@gyptazy). [#335]
|
||||
@@ -0,0 +1,2 @@
|
||||
added:
|
||||
- Add safety-guard for PVE 8 users when activating conntrack-aware migrations mistakenly (@gyptazy). [#359]
|
||||
@@ -0,0 +1,3 @@
|
||||
fixed:
|
||||
- Fixed the Proxmox API connection validation which returned a false-positive logging message of timeouts (@gyptazy). [#361]
|
||||
- Refactored Proxmox API connection functions
|
||||
@@ -0,0 +1,2 @@
|
||||
fixed:
|
||||
- Fixed a crash during PVE resource pool enumeration by skipping members not having a 'name' property (@stefanoettl). [#368]
|
||||
1
.changelogs/1.1.10/release_meta.yml
Normal file
1
.changelogs/1.1.10/release_meta.yml
Normal file
@@ -0,0 +1 @@
|
||||
date: 2025-11-25
|
||||
@@ -1,5 +1,5 @@
|
||||
added:
|
||||
- Add pressure (PSI) based balancing for memory, cpu, disk (req. PVE9 or greater) (@gyptazy). [#337|
|
||||
- Add pressure (PSI) based balancing for memory, cpu, disk (req. PVE9 or greater) (@gyptazy). [#337]
|
||||
- Pressure (PSI) based balancing for nodes
|
||||
- Pressure (PSI) based balancing for guests
|
||||
- Add PVE version evaluation
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
added:
|
||||
- Add affinity/anti-affinity support by pools (@gyptazy). [#343]
|
||||
@@ -1 +1 @@
|
||||
date: TBD
|
||||
date: 2025-10-30
|
||||
|
||||
@@ -58,6 +58,10 @@ jobs:
|
||||
integration-test-debian:
|
||||
needs: build-package-debian
|
||||
runs-on: ubuntu-latest
|
||||
strategy:
|
||||
matrix:
|
||||
debian_version: [bookworm, trixie]
|
||||
name: Integration Test on Debian ${{ matrix.debian_version }}
|
||||
steps:
|
||||
- name: Download Debian package artifact
|
||||
uses: actions/download-artifact@v4
|
||||
@@ -66,13 +70,18 @@ jobs:
|
||||
path: package/
|
||||
|
||||
- name: Set up Docker with Debian image
|
||||
run: docker pull debian:latest
|
||||
run: docker pull debian:${{ matrix.debian_version }}
|
||||
|
||||
- name: Install and test Debian package in Docker container
|
||||
run: |
|
||||
docker run --rm -v $(pwd)/package:/package -w /package debian:latest bash -c "
|
||||
apt-get update && \
|
||||
apt-get install -y systemd && \
|
||||
apt-get install -y ./proxlb*.deb && \
|
||||
python3 -c 'import proxlb; print(\"OK: Debian package successfully installed.\")'
|
||||
"
|
||||
docker run --rm \
|
||||
-v "$(pwd)/package:/package" \
|
||||
-w /package \
|
||||
debian:${{ matrix.debian_version }} \
|
||||
bash -c "
|
||||
set -e
|
||||
apt-get update
|
||||
apt-get install -y python3 systemd
|
||||
apt-get install -y ./proxlb*.deb
|
||||
python3 -c 'import proxlb; print(\"OK: Debian package successfully installed on ${{ matrix.debian_version }}.\")'
|
||||
"
|
||||
|
||||
29
CHANGELOG.md
29
CHANGELOG.md
@@ -5,6 +5,35 @@ All notable changes to this project will be documented in this file.
|
||||
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
|
||||
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
|
||||
|
||||
## [1.1.10] - 2025-11-25
|
||||
|
||||
### Added
|
||||
|
||||
- Prevent redundant rebalancing by validating existing affinity enforcement before taking actions (@gyptazy). [#335]
|
||||
- Add safety-guard for PVE 8 users when activating conntrack-aware migrations mistakenly (@gyptazy). [#359]
|
||||
|
||||
### Fixed
|
||||
|
||||
- Fix the Proxmox API connection validation which returned a false-positive logging message of timeouts (@gyptazy). [#361]
|
||||
- Refactored Proxmox API connection functions (@gyptazy). [#361]
|
||||
- Fix a crash during PVE resource pool enumeration by skipping members not having a 'name' property (@stefanoettl). [#368]
|
||||
|
||||
## [1.1.9.1] - 2025-10-30
|
||||
|
||||
### Fixed
|
||||
|
||||
- Fix quoting in f-strings which may cause issues on PVE 8 / Debian Bookworm systems (@gyptazy). [#352]
|
||||
|
||||
## [1.1.9] - 2025-10-30
|
||||
|
||||
### Added
|
||||
|
||||
- Add an optional memory balancing threshold (@gyptazy). [#342]
|
||||
- Add affinity/anti-affinity support by pools (@gyptazy). [#343]
|
||||
- Add pressure (PSI) based balancing for memory, cpu, disk (req. PVE9 or greater) (@gyptazy). [#337]
|
||||
- Pressure (PSI) based balancing for nodes
|
||||
- Pressure (PSI) based balancing for guests
|
||||
- Add PVE version evaluation
|
||||
|
||||
## [1.1.8] - 2025-10-09
|
||||
|
||||
|
||||
67
README.md
67
README.md
@@ -142,7 +142,7 @@ wget -O /etc/apt/trusted.gpg.d/proxlb.asc https://repo.gyptazy.com/repository.gp
|
||||
|
||||
#### Debian Packages (.deb files)
|
||||
If you do not want to use the repository you can also find the debian packages as a .deb file on gyptazy's CDN at:
|
||||
* https://cdn.gyptazy.com/debian/
|
||||
* https://cdn.gyptazy.com/debian/proxlb/
|
||||
|
||||
Afterwards, you can simply install the package by running:
|
||||
```bash
|
||||
@@ -173,6 +173,8 @@ docker run -it --rm -v $(pwd)/proxlb.yaml:/etc/proxlb/proxlb.yaml proxlb
|
||||
| Version | Image |
|
||||
|------|:------:|
|
||||
| latest | cr.gyptazy.com/proxlb/proxlb:latest |
|
||||
| v1.1.10 | cr.gyptazy.com/proxlb/proxlb:v1.1.10 |
|
||||
| v1.1.9.1 | cr.gyptazy.com/proxlb/proxlb:v1.1.9.1 |
|
||||
| v1.1.9 | cr.gyptazy.com/proxlb/proxlb:v1.1.9 |
|
||||
| v1.1.8 | cr.gyptazy.com/proxlb/proxlb:v1.1.8 |
|
||||
| v1.1.7 | cr.gyptazy.com/proxlb/proxlb:v1.1.7 |
|
||||
@@ -285,7 +287,8 @@ The following options can be set in the configuration file `proxlb.yaml`:
|
||||
| | memory_threshold | | 75 | `Int` | The maximum threshold (in percent) that needs to be hit to perform balancing actions. (Optional) |
|
||||
| | method | | memory | `Str` | The balancing method that should be used. [values: `memory` (default), `cpu`, `disk`]|
|
||||
| | mode | | used | `Str` | The balancing mode that should be used. [values: `used` (default), `assigned`, `psi` (pressure)] |
|
||||
| | psi | | { nodes: { memory: { pressure_full: 0.20, pressure_some: 0.20, pressure_spikes: 1.00 } } } | `Dict` | A dict of PSI based thresholds for nodes and guests |
|
||||
| | psi | | { nodes: { memory: { pressure_full: 0.20, pressure_some: 0.20, pressure_spikes: 1.00 }}} | `Dict` | A dict of PSI based thresholds for nodes and guests |
|
||||
| | pools | | pools: { dev: { type: affinity }, de-nbg01-db: { type: anti-affinity }} | `Dict` | A dict of pool names and their type for creating affinity/anti-affinity rules |
|
||||
| `service` | | | | | |
|
||||
| | daemon | | True | `Bool` | If daemon mode should be activated. |
|
||||
| | `schedule` | | | `Dict` | Schedule config block for rebalancing. |
|
||||
@@ -360,6 +363,14 @@ balancing:
|
||||
# pressure_full: 0.20
|
||||
# pressure_some: 0.20
|
||||
# pressure_spikes: 1.00
|
||||
pools:
|
||||
dev:
|
||||
type: affinity
|
||||
de-nbg01-db
|
||||
type: anti-affinity
|
||||
pin:
|
||||
- virt66
|
||||
- virt77
|
||||
|
||||
service:
|
||||
daemon: True
|
||||
@@ -390,19 +401,33 @@ ProxLB provides an advanced mechanism to define affinity and anti-affinity rules
|
||||
ProxLB implements affinity and anti-affinity rules through a tag-based system within the Proxmox web interface. Each guest (virtual machine or container) can be assigned specific tags, which then dictate its placement behavior. This method maintains a streamlined and secure approach to managing VM relationships while preserving Proxmox’s inherent permission model.
|
||||
|
||||
### Affinity Rules
|
||||
<img align="left" src="https://cdn.gyptazy.com/img/proxlb-affinity-rules.jpg"/> Affinity rules are used to group certain VMs together, ensuring that they run on the same host whenever possible. This can be beneficial for workloads requiring low-latency communication, such as clustered databases or application servers that frequently exchange data.
|
||||
<img align="left" src="https://cdn.gyptazy.com/img/proxlb-affinity-rules.jpg"/> Affinity rules are used to group certain VMs together, ensuring that they run on the same host whenever possible. This can be beneficial for workloads requiring low-latency communication, such as clustered databases or application servers that frequently exchange data. In general, there're two ways to manage affinity rules:
|
||||
|
||||
#### Affinity Rules by Tags
|
||||
To define an affinity rule which keeps all guests assigned to this tag together on a node, users assign a tag with the prefix `plb_affinity_$TAG`:
|
||||
|
||||
#### Example for Screenshot
|
||||
```
|
||||
plb_affinity_talos
|
||||
```
|
||||
|
||||
As a result, ProxLB will attempt to place all VMs with the `plb_affinity_web` tag on the same host (see also the attached screenshot with the same node).
|
||||
|
||||
### Anti-Affinity Rules
|
||||
<img align="left" src="https://cdn.gyptazy.com/img/proxlb-anti-affinity-rules.jpg"/> Conversely, anti-affinity rules ensure that designated VMs do not run on the same physical host. This is particularly useful for high-availability setups, where redundancy is crucial. Ensuring that critical services are distributed across multiple hosts reduces the risk of a single point of failure.
|
||||
#### Affinity Rules by Pools
|
||||
Antoher approach is by using pools in Proxmox. This way, it can easily also combined with other resources like backup jobs. However, in this approach you need to modify the ProxLB config file to your needs. Within the `balancing` section you can create a dict of pools, including the pool name and the affinity type. Please see the example for further details:
|
||||
|
||||
**Example Config**
|
||||
```
|
||||
balancing:
|
||||
[...]
|
||||
pools: # Optional: Define affinity/anti-affinity rules per pool
|
||||
dev: # Pool name: dev
|
||||
type: affinity # Type: affinity (keeping VMs together)
|
||||
pin: # Pin VMs to Nodes
|
||||
- virt77 # Pinning to 'virt77' which is maybe an older system for dev labs
|
||||
```
|
||||
|
||||
### Anti-Affinity Rules by Tags
|
||||
<img align="left" src="https://cdn.gyptazy.com/img/proxlb-anti-affinity-rules.jpg"/> Conversely, anti-affinity rules ensure that designated VMs do not run on the same physical host. This is particularly useful for high-availability setups, where redundancy is crucial. Ensuring that critical services are distributed across multiple hosts reduces the risk of a single point of failure. In general, there're two ways to manage anti-affinity rules:
|
||||
|
||||
To define an anti-affinity rule that ensures to not move systems within this group to the same node, users assign a tag with the prefix:
|
||||
|
||||
@@ -413,6 +438,19 @@ plb_anti_affinity_ntp
|
||||
|
||||
As a result, ProxLB will try to place the VMs with the `plb_anti_affinity_ntp` tag on different hosts (see also the attached screenshot with the different nodes).
|
||||
|
||||
#### Anti-Affinity Rules by Pools
|
||||
Antoher approach is by using pools in Proxmox. This way, it can easily also combined with other resources like backup jobs. However, in this approach you need to modify the ProxLB config file to your needs. Within the `balancing` section you can create a dict of pools, including the pool name and the affinity type. Please see the example for further details:
|
||||
|
||||
**Example Config**
|
||||
```
|
||||
balancing:
|
||||
[...]
|
||||
pools: # Optional: Define affinity/anti-affinity rules per pool
|
||||
de-nbg01-db: # Pool name: de-nbg01-db
|
||||
type: anti-affinity # Type: anti-affinity (spreading VMs apart)
|
||||
```
|
||||
|
||||
|
||||
**Note:** While this ensures that ProxLB tries distribute these VMs across different physical hosts within the Proxmox cluster this may not always work. If you have more guests attached to the group than nodes in the cluster, we still need to run them anywhere. If this case occurs, the next one with the most free resources will be selected.
|
||||
|
||||
### Ignore VMs
|
||||
@@ -432,6 +470,7 @@ As a result, ProxLB will not migrate this guest with the `plb_ignore_dev` tag to
|
||||
### Pin VMs to Specific Hypervisor Nodes
|
||||
<img align="left" src="https://cdn.gyptazy.com/img/proxlb-tag-node-pinning.jpg"/> Guests, such as VMs or CTs, can also be pinned to specific (and multiple) nodes in the cluster. This might be usefull when running applications with some special licensing requirements that are only fulfilled on certain nodes. It might also be interesting, when some physical hardware is attached to a node, that is not available in general within the cluster.
|
||||
|
||||
#### Pinning VMs to (a) specific Hypervisor Node(s) by Tag
|
||||
To pin a guest to a specific cluster node, users assign a tag with the prefix `plb_pin_$nodename` to the desired guest:
|
||||
|
||||
#### Example for Screenshot
|
||||
@@ -441,6 +480,22 @@ plb_pin_node03
|
||||
|
||||
As a result, ProxLB will pin the guest `dev-vm01` to the node `virt03`.
|
||||
|
||||
|
||||
#### Pinning VMs to (a) specific Hypervisor Node(s) by Pools
|
||||
Beside the tag approach, you can also pin a resource group to a specific hypervisor or groups of hypervisors by defining a `pin` key of type list.
|
||||
|
||||
**Example Config**
|
||||
```
|
||||
balancing:
|
||||
[...]
|
||||
pools: # Optional: Define affinity/anti-affinity rules per pool
|
||||
dev: # Pool name: dev
|
||||
type: affinity # Type: affinity (keeping VMs together)
|
||||
pin: # Pin VMs to Nodes
|
||||
- virt77 # Pinning to 'virt77' which is maybe an older system for dev labs
|
||||
```
|
||||
|
||||
|
||||
You can also repeat this step multiple times for different node names to create a potential group of allowed hosts where a the guest may be served on. In this case, ProxLB takes the node with the lowest used resources according to the defined balancing values from this group.
|
||||
|
||||
**Note:** The given node names from the tag are validated. This means, ProxLB validated if the given node name is really part of the cluster. In case of a wrongly defined or unavailable node name it continous to use the regular processes to make sure the guest keeps running.
|
||||
|
||||
@@ -60,6 +60,14 @@ balancing:
|
||||
# pressure_full: 0.20
|
||||
# pressure_some: 0.20
|
||||
# pressure_spikes: 1.00
|
||||
pools: # Optional: Define affinity/anti-affinity rules per pool
|
||||
dev: # Pool name: dev
|
||||
type: affinity # Type: affinity (keeping VMs together)
|
||||
de-nbg01-db: # Pool name: de-nbg01-db
|
||||
type: anti-affinity # Type: anti-affinity (spreading VMs apart)
|
||||
pin: # Define a pinning og guests to specific node(s)
|
||||
- virt66
|
||||
- virt77
|
||||
|
||||
service:
|
||||
daemon: True
|
||||
|
||||
20
debian/changelog
vendored
20
debian/changelog
vendored
@@ -1,8 +1,26 @@
|
||||
proxlb (1.1.10) stable; urgency=medium
|
||||
|
||||
* Prevent redundant rebalancing by validating existing affinity enforcement before taking actions. (Closes: #335)
|
||||
* Add safety-guard for PVE 8 users when activating conntrack-aware migrations mistakenly. (Closes: #359)
|
||||
* Fix the Proxmox API connection validation which returned a false-positive logging message of timeouts. (Closes: #361)
|
||||
* Refactored the whole Proxmox API connection function. (Closes: #361)
|
||||
* Fix a crash during PVE resource pool enumeration by skipping members not having a 'name' property. (Closes: #368)
|
||||
|
||||
-- Florian Paul Azim Hoberg <gyptazy@gyptazy.com> Tue, 25 Nov 2025 09:12:04 +0001
|
||||
|
||||
proxlb (1.1.9.1) stable; urgency=medium
|
||||
|
||||
* Fix quoting in f-strings which may cause issues on PVE 8 / Debian Bookworm systems. (Closes: #352)
|
||||
|
||||
-- Florian Paul Azim Hoberg <gyptazy@gyptazy.com> Thu, 30 Oct 2025 17:41:02 +0001
|
||||
|
||||
proxlb (1.1.9) stable; urgency=medium
|
||||
|
||||
* Add pressure (PSI) based balancing for memory, cpu, disk (req. PVE9 or greater). (Closes: #339)
|
||||
* Add (memory) threshold for nodes before running balancing. (Closes: #342)
|
||||
* Add affinity/anti-affinity support by pools. (Closes: #343)
|
||||
|
||||
-- Florian Paul Azim Hoberg <gyptazy@gyptazy.com> Thu, 22 Oct 2025 09:04:13 +0002
|
||||
-- Florian Paul Azim Hoberg <gyptazy@gyptazy.com> Thu, 30 Oct 2025 06:58:43 +0001
|
||||
|
||||
proxlb (1.1.8) stable; urgency=medium
|
||||
|
||||
|
||||
2
debian/control
vendored
2
debian/control
vendored
@@ -7,6 +7,6 @@ Build-Depends: debhelper-compat (= 13), dh-python, python3-all, python3-setuptoo
|
||||
|
||||
Package: proxlb
|
||||
Architecture: all
|
||||
Depends: ${python3:Depends}, ${misc:Depends}, python3-requests, python3-urllib3, python3-proxmoxer, python3-yaml
|
||||
Depends: ${python3:Depends}, ${misc:Depends}, python3-requests, python3-urllib3, python3-packaging, python3-proxmoxer, python3-yaml
|
||||
Description: An advanced resource scheduler and load balancer for Proxmox clusters
|
||||
An advanced resource scheduler and load balancer for Proxmox clusters that also supports maintenance mode and affinity/anti-affinity rules.
|
||||
|
||||
@@ -55,7 +55,7 @@ ProxLB itself requires minimal system resources to operate. However, for managin
|
||||
|
||||
|
||||
## Where To Run?
|
||||
ProxLB can run on pretty anthing and only requires you to have a network connectivity to any of the Proxmox host's API (usually on tcp/8006).
|
||||
ProxLB is lightweight and flexible where it runs on nearly any environment and only needs access to your Proxmox host’s API endpoint (commonly TCP port 8006).
|
||||
|
||||
Therefore, you can simply run ProxLB on:
|
||||
* Bare-metal Systems
|
||||
|
||||
@@ -80,8 +80,8 @@ ProxLB provides an advanced mechanism to define affinity and anti-affinity rules
|
||||
|
||||
ProxLB implements affinity and anti-affinity rules through a tag-based system within the Proxmox web interface. Each guest (virtual machine or container) can be assigned specific tags, which then dictate its placement behavior. This method maintains a streamlined and secure approach to managing VM relationships while preserving Proxmox’s inherent permission model.
|
||||
|
||||
#### Affinity Rules
|
||||
<img align="left" src="https://cdn.gyptazy.com/images/proxlb-affinity-rules.jpg"/> Affinity rules are used to group certain VMs together, ensuring that they run on the same host whenever possible. This can be beneficial for workloads requiring low-latency communication, such as clustered databases or application servers that frequently exchange data.
|
||||
#### Affinity Rules by Tags
|
||||
<img align="left" src="https://cdn.gyptazy.com/img/proxlb-affinity-rules.jpg"/> Affinity rules are used to group certain VMs together, ensuring that they run on the same host whenever possible. This can be beneficial for workloads requiring low-latency communication, such as clustered databases or application servers that frequently exchange data.
|
||||
|
||||
To define an affinity rule which keeps all guests assigned to this tag together on a node, users assign a tag with the prefix `plb_affinity_$TAG`:
|
||||
|
||||
@@ -92,8 +92,20 @@ plb_affinity_talos
|
||||
|
||||
As a result, ProxLB will attempt to place all VMs with the `plb_affinity_web` tag on the same host (see also the attached screenshot with the same node).
|
||||
|
||||
#### Anti-Affinity Rules
|
||||
<img align="left" src="https://cdn.gyptazy.com/images/proxlb-anti-affinity-rules.jpg"/> Conversely, anti-affinity rules ensure that designated VMs do not run on the same physical host. This is particularly useful for high-availability setups, where redundancy is crucial. Ensuring that critical services are distributed across multiple hosts reduces the risk of a single point of failure.
|
||||
#### Affinity Rules by Pools
|
||||
Antoher approach is by using pools in Proxmox. This way, it can easily also combined with other resources like backup jobs. However, in this approach you need to modify the ProxLB config file to your needs. Within the `balancing` section you can create a dict of pools, including the pool name and the affinity type. Please see the example for further details:
|
||||
|
||||
**Example Config**
|
||||
```
|
||||
balancing:
|
||||
[...]
|
||||
pools: # Optional: Define affinity/anti-affinity rules per pool
|
||||
dev: # Pool name: dev
|
||||
type: affinity # Type: affinity (keeping VMs together)
|
||||
```
|
||||
|
||||
#### Anti-Affinity Rules by Tags
|
||||
<img align="left" src="https://cdn.gyptazy.com/img/proxlb-anti-affinity-rules.jpg"/> Conversely, anti-affinity rules ensure that designated VMs do not run on the same physical host. This is particularly useful for high-availability setups, where redundancy is crucial. Ensuring that critical services are distributed across multiple hosts reduces the risk of a single point of failure.
|
||||
|
||||
To define an anti-affinity rule that ensures to not move systems within this group to the same node, users assign a tag with the prefix:
|
||||
|
||||
@@ -106,6 +118,18 @@ As a result, ProxLB will try to place the VMs with the `plb_anti_affinity_ntp` t
|
||||
|
||||
**Note:** While this ensures that ProxLB tries distribute these VMs across different physical hosts within the Proxmox cluster this may not always work. If you have more guests attached to the group than nodes in the cluster, we still need to run them anywhere. If this case occurs, the next one with the most free resources will be selected.
|
||||
|
||||
#### Anti-Affinity Rules by Pools
|
||||
Antoher approach is by using pools in Proxmox. This way, it can easily also combined with other resources like backup jobs. However, in this approach you need to modify the ProxLB config file to your needs. Within the `balancing` section you can create a dict of pools, including the pool name and the affinity type. Please see the example for further details:
|
||||
|
||||
**Example Config**
|
||||
```
|
||||
balancing:
|
||||
[...]
|
||||
pools: # Optional: Define affinity/anti-affinity rules per pool
|
||||
de-nbg01-db: # Pool name: de-nbg01-db
|
||||
type: anti-affinity # Type: anti-affinity (spreading VMs apart)
|
||||
````
|
||||
|
||||
### Affinity / Anti-Affinity Enforcing
|
||||
When a cluster is already balanced and does not require further adjustments, enabling the enforce_affinity parameter ensures that affinity and anti-affinity rules are still respected. This parameter prioritizes the placement of guest objects according to these rules, even if it leads to slight resource imbalances or increased migration overhead. Regularly reviewing and updating these rules, along with monitoring cluster performance, helps maintain optimal performance and reliability. By carefully managing these aspects, you can create a cluster environment that meets your specific needs and maintains a good balance of resources.
|
||||
|
||||
@@ -117,7 +141,7 @@ balancing:
|
||||
*Note: This may have impacts to the cluster. Depending on the created group matrix, the result may also be an unbalanced cluster.*
|
||||
|
||||
### Ignore VMs / CTs
|
||||
<img align="left" src="https://cdn.gyptazy.com/images/proxlb-ignore-vm-movement.jpg"/> Guests, such as VMs or CTs, can also be completely ignored. This means, they won't be affected by any migration (even when (anti-)affinity rules are enforced). To ensure a proper resource evaluation, these guests are still collected and evaluated but simply skipped for balancing actions. Another thing is the implementation. While ProxLB might have a very restricted configuration file including the file permissions, this file is only read- and writeable by the Proxmox administrators. However, we might have user and groups who want to define on their own that their systems shouldn't be moved. Therefore, these users can simpy set a specific tag to the guest object - just like the (anti)affinity rules.
|
||||
<img align="left" src="https://cdn.gyptazy.com/img/proxlb-ignore-vm-movement.jpg"/> Guests, such as VMs or CTs, can also be completely ignored. This means, they won't be affected by any migration (even when (anti-)affinity rules are enforced). To ensure a proper resource evaluation, these guests are still collected and evaluated but simply skipped for balancing actions. Another thing is the implementation. While ProxLB might have a very restricted configuration file including the file permissions, this file is only read- and writeable by the Proxmox administrators. However, we might have user and groups who want to define on their own that their systems shouldn't be moved. Therefore, these users can simpy set a specific tag to the guest object - just like the (anti)affinity rules.
|
||||
|
||||
To define a guest to be ignored from the balancing, users assign a tag with the prefix `plb_ignore_$TAG`:
|
||||
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
apiVersion: v3
|
||||
apiVersion: v2
|
||||
name: proxlb
|
||||
description: A Helm chart for self-hosted ProxLB
|
||||
type: application
|
||||
version: "1.1.9"
|
||||
appVersion: "v1.1.9"
|
||||
version: "1.1.10"
|
||||
appVersion: "v1.1.10"
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
image:
|
||||
registry: cr.gyptazy.com
|
||||
repository: proxlb/proxlb
|
||||
tag: v1.1.9
|
||||
tag: v1.1.10
|
||||
pullPolicy: IfNotPresent
|
||||
imagePullSecrets: [ ]
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
#!/usr/bin/env bash
|
||||
VERSION="1.1.9"
|
||||
VERSION="1.1.9.1"
|
||||
|
||||
# ProxLB
|
||||
sed -i "s/^__version__ = .*/__version__ = \"$VERSION\"/" "proxlb/utils/version.py"
|
||||
|
||||
@@ -19,10 +19,12 @@ from utils.cli_parser import CliParser
|
||||
from utils.config_parser import ConfigParser
|
||||
from utils.proxmox_api import ProxmoxApi
|
||||
from models.nodes import Nodes
|
||||
from models.features import Features
|
||||
from models.guests import Guests
|
||||
from models.groups import Groups
|
||||
from models.calculations import Calculations
|
||||
from models.balancing import Balancing
|
||||
from models.pools import Pools
|
||||
from utils.helper import Helper
|
||||
|
||||
|
||||
@@ -71,19 +73,24 @@ def main():
|
||||
# Get all required objects from the Proxmox cluster
|
||||
meta = {"meta": proxlb_config}
|
||||
nodes = Nodes.get_nodes(proxmox_api, proxlb_config)
|
||||
guests = Guests.get_guests(proxmox_api, nodes, meta)
|
||||
pools = Pools.get_pools(proxmox_api)
|
||||
guests = Guests.get_guests(proxmox_api, pools, nodes, meta, proxlb_config)
|
||||
groups = Groups.get_groups(guests, nodes)
|
||||
|
||||
# Merge obtained objects from the Proxmox cluster for further usage
|
||||
proxlb_data = {**meta, **nodes, **guests, **groups}
|
||||
proxlb_data = {**meta, **nodes, **guests, **pools, **groups}
|
||||
Helper.log_node_metrics(proxlb_data)
|
||||
|
||||
# Validate usable features by PVE versions
|
||||
Features.validate_available_features(proxlb_data)
|
||||
|
||||
# Update the initial node resource assignments
|
||||
# by the previously created groups.
|
||||
Calculations.set_node_assignments(proxlb_data)
|
||||
Calculations.set_node_hot(proxlb_data)
|
||||
Calculations.set_guest_hot(proxlb_data)
|
||||
Calculations.get_most_free_node(proxlb_data, cli_args.best_node)
|
||||
Calculations.validate_affinity_map(proxlb_data)
|
||||
Calculations.relocate_guests_on_maintenance_nodes(proxlb_data)
|
||||
Calculations.get_balanciness(proxlb_data)
|
||||
Calculations.relocate_guests(proxlb_data)
|
||||
|
||||
@@ -128,11 +128,11 @@ class Calculations:
|
||||
is_hot = (pressure_full >= threshold["pressure_full"] and pressure_some >= threshold["pressure_some"]) or (pressure_spikes >= threshold["pressure_spikes"])
|
||||
|
||||
if is_hot:
|
||||
logger.debug(f"Set node {node["name"]} as hot based on {metric} pressure metrics.")
|
||||
logger.debug(f"Set node {node['name']} as hot based on {metric} pressure metrics.")
|
||||
proxlb_data["nodes"][node["name"]][f"{metric}_pressure_hot"] = True
|
||||
proxlb_data["nodes"][node["name"]][f"pressure_hot"] = True
|
||||
else:
|
||||
logger.debug(f"Node {node["name"]} is not hot based on {metric} pressure metrics.")
|
||||
logger.debug(f"Node {node['name']} is not hot based on {metric} pressure metrics.")
|
||||
|
||||
logger.debug("Finished: set_node_hot.")
|
||||
return proxlb_data
|
||||
@@ -161,11 +161,11 @@ class Calculations:
|
||||
is_hot = (pressure_full >= threshold["pressure_full"] and pressure_some >= threshold["pressure_some"]) or (pressure_spikes >= threshold["pressure_spikes"])
|
||||
|
||||
if is_hot:
|
||||
logger.debug(f"Set guest {guest["name"]} as hot based on {metric} pressure metrics.")
|
||||
logger.debug(f"Set guest {guest['name']} as hot based on {metric} pressure metrics.")
|
||||
proxlb_data["guests"][guest["name"]][f"{metric}_pressure_hot"] = True
|
||||
proxlb_data["guests"][guest["name"]][f"pressure_hot"] = True
|
||||
else:
|
||||
logger.debug(f"guest {guest["name"]} is not hot based on {metric} pressure metrics.")
|
||||
logger.debug(f"guest {guest['name']} is not hot based on {metric} pressure metrics.")
|
||||
|
||||
logger.debug("Finished: set_guest_hot.")
|
||||
return proxlb_data
|
||||
@@ -499,7 +499,7 @@ class Calculations:
|
||||
logger.debug("Finished: val_node_relationships.")
|
||||
|
||||
@staticmethod
|
||||
def update_node_resources(proxlb_data):
|
||||
def update_node_resources(proxlb_data: Dict[str, Any]):
|
||||
"""
|
||||
Updates the resource allocation and usage statistics for nodes when a guest
|
||||
is moved from one node to another.
|
||||
@@ -568,3 +568,142 @@ class Calculations:
|
||||
logger.debug(f"Set guest {guest_name} from node {node_current} to node {node_target}.")
|
||||
|
||||
logger.debug("Finished: update_node_resources.")
|
||||
|
||||
def validate_affinity_map(proxlb_data: Dict[str, Any]):
|
||||
"""
|
||||
Validates the affinity and anti-affinity constraints for all guests in the ProxLB data structure.
|
||||
|
||||
This function iterates through each guest and checks both affinity and anti-affinity rules.
|
||||
If any guest violates these constraints, it sets the enforce_affinity flag to trigger rebalancing
|
||||
and skips further validation for efficiency.
|
||||
|
||||
Args:
|
||||
proxlb_data (Dict[str, Any]): A dictionary containing ProxLB configuration with the following structure:
|
||||
- "guests" (list): List of guest identifiers to validate
|
||||
- "meta" (dict): Metadata dictionary containing:
|
||||
- "balancing" (dict): Balancing configuration with "enforce_affinity" flag
|
||||
|
||||
Returns:
|
||||
None: Modifies proxlb_data in-place by updating the "enforce_affinity" flag in meta.balancing
|
||||
|
||||
Raises:
|
||||
None: Function handles validation gracefully and logs outcomes
|
||||
"""
|
||||
logger.debug("Starting: validate_current_affinity.")
|
||||
balancing_ok = True
|
||||
|
||||
for guest in proxlb_data["guests"]:
|
||||
|
||||
# We do not need to validate anymore if rebalancing is required
|
||||
if balancing_ok is False:
|
||||
proxlb_data["meta"]["balancing"]["enforce_affinity"] = True
|
||||
logger.debug(f"Rebalancing based on affinity/anti-affinity map is required. Skipping further validation...")
|
||||
break
|
||||
|
||||
balancing_state_affinity = Calculations.validate_current_affinity(proxlb_data, guest)
|
||||
balancing_state_anti_affinity = Calculations.validate_current_anti_affinity(proxlb_data, guest)
|
||||
logger.debug(f"Affinity for guest {guest} is {'valid' if balancing_state_affinity else 'NOT valid'}")
|
||||
logger.debug(f"Anti-affinity for guest {guest} is {'valid' if balancing_state_anti_affinity else 'NOT valid'}")
|
||||
|
||||
balancing_ok = not balancing_state_affinity or not balancing_state_anti_affinity
|
||||
|
||||
if balancing_ok:
|
||||
logger.debug(f"Rebalancing based on affinity/anti-affinity map is not required.")
|
||||
proxlb_data["meta"]["balancing"]["enforce_affinity"] = False
|
||||
|
||||
logger.debug("Finished: validate_current_affinity.")
|
||||
|
||||
@staticmethod
|
||||
def get_guest_node(proxlb_data: Dict[str, Any], guest_name: str) -> str:
|
||||
"""
|
||||
Return a currently assoicated PVE node where the guest is running on.
|
||||
|
||||
Args:
|
||||
proxlb_data (Dict[str, Any]): A dictionary containing ProxLB configuration.
|
||||
|
||||
Returns:
|
||||
node_name_current (str): The name of the current node where the guest runs on.
|
||||
|
||||
"""
|
||||
return proxlb_data["guests"][guest_name]["node_current"]
|
||||
|
||||
@staticmethod
|
||||
def validate_current_affinity(proxlb_data: Dict[str, Any], guest_name: str) -> bool:
|
||||
"""
|
||||
Validate that all guests in affinity groups containing the specified guest are on the same non-maintenance node.
|
||||
|
||||
This function checks affinity group constraints for a given guest. It ensures that:
|
||||
1. All guests within an affinity group are located on the same physical node
|
||||
2. The node hosting the affinity group is not in maintenance mode
|
||||
|
||||
Args:
|
||||
proxlb_data (Dict[str, Any]): A dictionary containing the complete ProxLB state including:
|
||||
- "groups": Dictionary with "affinity" key containing affinity group definitions
|
||||
- "guests": Dictionary with guest information
|
||||
- "nodes": Dictionary with node information including maintenance status
|
||||
guest_name (str): The name of the guest to validate affinity for
|
||||
|
||||
Returns:
|
||||
bool: True if all affinity groups containing the guest are valid (all members on same
|
||||
non-maintenance node), False otherwise
|
||||
"""
|
||||
logger.debug("Starting: validate_current_affinity.")
|
||||
for group_name, grp in proxlb_data["groups"]["affinity"].items():
|
||||
if guest_name not in grp["guests"]:
|
||||
continue
|
||||
|
||||
nodes = []
|
||||
for group in grp["guests"]:
|
||||
if group not in proxlb_data["guests"]:
|
||||
continue
|
||||
|
||||
node = Calculations.get_guest_node(proxlb_data, group)
|
||||
if proxlb_data["nodes"][node]["maintenance"]:
|
||||
logger.debug(f"Group '{group_name}' invalid: node '{node}' in maintenance.")
|
||||
return False
|
||||
nodes.append(node)
|
||||
|
||||
if len(set(nodes)) != 1:
|
||||
logger.debug(f"Group '{group_name}' invalid: guests spread across nodes {set(nodes)}.")
|
||||
return False
|
||||
|
||||
return True
|
||||
|
||||
@staticmethod
|
||||
def validate_current_anti_affinity(proxlb_data: Dict[str, Any], guest_name: str) -> bool:
|
||||
"""
|
||||
Validate that all guests in anti-affinity groups containing the specified guest are not on the same node.
|
||||
|
||||
This function checks anti-affinity group constraints for a given guest. It ensures that:
|
||||
1. All guests within an anti-affinity group are located on the same physical node
|
||||
2. The node hosting the anti-affinity group is not in maintenance mode
|
||||
|
||||
Args:
|
||||
proxlb_data (Dict[str, Any]): A dictionary containing the complete ProxLB state including:
|
||||
- "groups": Dictionary with "affinity" key containing affinity group definitions
|
||||
- "guests": Dictionary with guest information
|
||||
- "nodes": Dictionary with node information including maintenance status
|
||||
guest_name (str): The name of the guest to validate affinity for
|
||||
|
||||
Returns:
|
||||
bool: True if all anti-affinity groups containing the guest are valid (all members on different
|
||||
non-maintenance node), False otherwise
|
||||
"""
|
||||
logger.debug("Starting: validate_current_anti_affinity.")
|
||||
for group_name, grp in proxlb_data["groups"]["anti_affinity"].items():
|
||||
if guest_name not in grp["guests"]:
|
||||
continue
|
||||
nodes = []
|
||||
for group in grp["guests"]:
|
||||
if group not in proxlb_data["guests"]:
|
||||
continue
|
||||
|
||||
node = Calculations.get_guest_node(proxlb_data, group)
|
||||
if proxlb_data["nodes"][node]["maintenance"]:
|
||||
return False
|
||||
nodes.append(node)
|
||||
|
||||
if len(nodes) != len(set(nodes)):
|
||||
return False
|
||||
|
||||
return True
|
||||
|
||||
90
proxlb/models/features.py
Normal file
90
proxlb/models/features.py
Normal file
@@ -0,0 +1,90 @@
|
||||
"""
|
||||
ProxLB Features module for validating and adjusting feature flags
|
||||
based on Proxmox VE node versions and cluster compatibility.
|
||||
"""
|
||||
|
||||
__author__ = "Florian Paul Azim Hoberg <gyptazy>"
|
||||
__copyright__ = "Copyright (C) 2025 Florian Paul Azim Hoberg (@gyptazy)"
|
||||
__license__ = "GPL-3.0"
|
||||
|
||||
|
||||
from typing import List
|
||||
from typing import Dict, Any
|
||||
from utils.logger import SystemdLogger
|
||||
from packaging import version
|
||||
|
||||
logger = SystemdLogger()
|
||||
|
||||
|
||||
class Features:
|
||||
"""
|
||||
ProxLB Features module for validating and adjusting feature flags
|
||||
based on Proxmox VE node versions and cluster compatibility.
|
||||
|
||||
Responsibilities:
|
||||
- Validate and adjust feature flags based on Proxmox VE node versions.
|
||||
|
||||
Methods:
|
||||
__init__():
|
||||
No-op initializer.
|
||||
|
||||
validate_available_features(proxlb_data: dict) -> None:
|
||||
Static method that inspects proxlb_data["nodes"] versions and disables
|
||||
incompatible balancing features for Proxmox VE versions < 9.0.0.
|
||||
This function mutates proxlb_data in place.
|
||||
|
||||
Notes:
|
||||
- Expects proxlb_data to be a dict with "nodes" and "meta" keys.
|
||||
"""
|
||||
def __init__(self):
|
||||
"""
|
||||
Initializes the Features class.
|
||||
"""
|
||||
|
||||
@staticmethod
|
||||
def validate_available_features(proxlb_data: any) -> None:
|
||||
"""
|
||||
Validate and adjust feature flags in the provided proxlb_data according to Proxmox VE versions.
|
||||
|
||||
This function inspects the cluster node versions in proxlb_data and disables features
|
||||
that are incompatible with Proxmox VE versions older than 9.0.0. Concretely, if any node
|
||||
reports a 'pve_version' lower than "9.0.0":
|
||||
- If meta.balancing.with_conntrack_state is truthy, it is set to False and a warning is logged.
|
||||
- If meta.balancing.mode equals "psi", meta.balancing.enable is set to False and a warning is logged.
|
||||
|
||||
proxlb_data (dict): Cluster data structure that must contain:
|
||||
- "nodes": a mapping (e.g., dict) whose values are mappings containing a 'pve_version' string.
|
||||
- "meta": a mapping that may contain a "balancing" mapping with keys:
|
||||
- "with_conntrack_state" (bool, optional)
|
||||
- "mode" (str, optional)
|
||||
- "enable" (bool, optional)
|
||||
|
||||
None: The function mutates proxlb_data in place to disable incompatible features.
|
||||
|
||||
Side effects:
|
||||
- Mutates proxlb_data["meta"]["balancing"] when incompatible features are detected.
|
||||
- Emits debug and warning log messages.
|
||||
|
||||
Notes:
|
||||
- Unexpected or missing keys/types in proxlb_data may raise KeyError or TypeError.
|
||||
- Version comparison uses semantic version parsing; callers should provide versions as strings.
|
||||
|
||||
Returns:
|
||||
None
|
||||
"""
|
||||
logger.debug("Starting: validate_available_features.")
|
||||
|
||||
any_non_pve9_node = any(version.parse(n['pve_version']) < version.parse("9.0.0") for n in proxlb_data["nodes"].values())
|
||||
if any_non_pve9_node:
|
||||
|
||||
with_conntrack_state = proxlb_data["meta"].get("balancing", {}).get("with_conntrack_state", False)
|
||||
if with_conntrack_state:
|
||||
logger.warning("Non Proxmox VE 9 systems detected: Deactivating migration option 'with-conntrack-state'!")
|
||||
proxlb_data["meta"]["balancing"]["with_conntrack_state"] = False
|
||||
|
||||
psi_balancing = proxlb_data["meta"].get("balancing", {}).get("mode", None)
|
||||
if psi_balancing == "psi":
|
||||
logger.warning("Non Proxmox VE 9 systems detected: Deactivating balancing!")
|
||||
proxlb_data["meta"]["balancing"]["enable"] = False
|
||||
|
||||
logger.debug("Finished: validate_available_features.")
|
||||
@@ -10,6 +10,7 @@ __license__ = "GPL-3.0"
|
||||
|
||||
from typing import Dict, Any
|
||||
from utils.logger import SystemdLogger
|
||||
from models.pools import Pools
|
||||
from models.tags import Tags
|
||||
import time
|
||||
|
||||
@@ -35,7 +36,7 @@ class Guests:
|
||||
"""
|
||||
|
||||
@staticmethod
|
||||
def get_guests(proxmox_api: any, nodes: Dict[str, Any], meta: Dict[str, Any]) -> Dict[str, Any]:
|
||||
def get_guests(proxmox_api: any, pools: Dict[str, Any], nodes: Dict[str, Any], meta: Dict[str, Any], proxlb_config: Dict[str, Any]) -> Dict[str, Any]:
|
||||
"""
|
||||
Get metrics of all guests in a Proxmox cluster.
|
||||
|
||||
@@ -46,6 +47,8 @@ class Guests:
|
||||
Args:
|
||||
proxmox_api (any): The Proxmox API client instance.
|
||||
nodes (Dict[str, Any]): A dictionary containing information about the nodes in the Proxmox cluster.
|
||||
meta (Dict[str, Any]): A dictionary containing metadata information.
|
||||
proxmox_config (Dict[str, Any]): A dictionary containing the ProxLB configuration.
|
||||
|
||||
Returns:
|
||||
Dict[str, Any]: A dictionary containing metrics and information for all running guests.
|
||||
@@ -91,10 +94,11 @@ class Guests:
|
||||
guests['guests'][guest['name']]['processed'] = False
|
||||
guests['guests'][guest['name']]['pressure_hot'] = False
|
||||
guests['guests'][guest['name']]['tags'] = Tags.get_tags_from_guests(proxmox_api, node, guest['vmid'], 'vm')
|
||||
guests['guests'][guest['name']]['affinity_groups'] = Tags.get_affinity_groups(guests['guests'][guest['name']]['tags'])
|
||||
guests['guests'][guest['name']]['anti_affinity_groups'] = Tags.get_anti_affinity_groups(guests['guests'][guest['name']]['tags'])
|
||||
guests['guests'][guest['name']]['pools'] = Pools.get_pools_for_guest(guest['name'], pools)
|
||||
guests['guests'][guest['name']]['affinity_groups'] = Tags.get_affinity_groups(guests['guests'][guest['name']]['tags'], guests['guests'][guest['name']]['pools'], proxlb_config)
|
||||
guests['guests'][guest['name']]['anti_affinity_groups'] = Tags.get_anti_affinity_groups(guests['guests'][guest['name']]['tags'], guests['guests'][guest['name']]['pools'], proxlb_config)
|
||||
guests['guests'][guest['name']]['ignore'] = Tags.get_ignore(guests['guests'][guest['name']]['tags'])
|
||||
guests['guests'][guest['name']]['node_relationships'] = Tags.get_node_relationships(guests['guests'][guest['name']]['tags'], nodes)
|
||||
guests['guests'][guest['name']]['node_relationships'] = Tags.get_node_relationships(guests['guests'][guest['name']]['tags'], nodes, guests['guests'][guest['name']]['pools'], proxlb_config)
|
||||
guests['guests'][guest['name']]['type'] = 'vm'
|
||||
|
||||
logger.debug(f"Resources of Guest {guest['name']} (type VM) added: {guests['guests'][guest['name']]}")
|
||||
@@ -135,10 +139,11 @@ class Guests:
|
||||
guests['guests'][guest['name']]['processed'] = False
|
||||
guests['guests'][guest['name']]['pressure_hot'] = False
|
||||
guests['guests'][guest['name']]['tags'] = Tags.get_tags_from_guests(proxmox_api, node, guest['vmid'], 'ct')
|
||||
guests['guests'][guest['name']]['affinity_groups'] = Tags.get_affinity_groups(guests['guests'][guest['name']]['tags'])
|
||||
guests['guests'][guest['name']]['anti_affinity_groups'] = Tags.get_anti_affinity_groups(guests['guests'][guest['name']]['tags'])
|
||||
guests['guests'][guest['name']]['pools'] = Pools.get_pools_for_guest(guest['name'], pools)
|
||||
guests['guests'][guest['name']]['affinity_groups'] = Tags.get_affinity_groups(guests['guests'][guest['name']]['tags'], guests['guests'][guest['name']]['pools'], proxlb_config)
|
||||
guests['guests'][guest['name']]['anti_affinity_groups'] = Tags.get_anti_affinity_groups(guests['guests'][guest['name']]['tags'], guests['guests'][guest['name']]['pools'], proxlb_config)
|
||||
guests['guests'][guest['name']]['ignore'] = Tags.get_ignore(guests['guests'][guest['name']]['tags'])
|
||||
guests['guests'][guest['name']]['node_relationships'] = Tags.get_node_relationships(guests['guests'][guest['name']]['tags'], nodes)
|
||||
guests['guests'][guest['name']]['node_relationships'] = Tags.get_node_relationships(guests['guests'][guest['name']]['tags'], nodes, guests['guests'][guest['name']]['pools'], proxlb_config)
|
||||
guests['guests'][guest['name']]['type'] = 'ct'
|
||||
|
||||
logger.debug(f"Resources of Guest {guest['name']} (type CT) added: {guests['guests'][guest['name']]}")
|
||||
|
||||
@@ -48,6 +48,7 @@ class Nodes:
|
||||
|
||||
Args:
|
||||
proxmox_api (any): The Proxmox API client instance.
|
||||
proxmox_config (Dict[str, Any]): A dictionary containing the ProxLB configuration.
|
||||
nodes (Dict[str, Any]): A dictionary containing information about the nodes in the Proxmox cluster.
|
||||
|
||||
Returns:
|
||||
|
||||
117
proxlb/models/pools.py
Normal file
117
proxlb/models/pools.py
Normal file
@@ -0,0 +1,117 @@
|
||||
"""
|
||||
The Pools class retrieves all present pools defined on a Proxmox cluster
|
||||
including the chield objects.
|
||||
"""
|
||||
|
||||
__author__ = "Florian Paul Azim Hoberg <gyptazy>"
|
||||
__copyright__ = "Copyright (C) 2025 Florian Paul Azim Hoberg (@gyptazy)"
|
||||
__license__ = "GPL-3.0"
|
||||
|
||||
|
||||
from typing import Dict, Any
|
||||
from utils.logger import SystemdLogger
|
||||
from models.tags import Tags
|
||||
import time
|
||||
|
||||
logger = SystemdLogger()
|
||||
|
||||
|
||||
class Pools:
|
||||
"""
|
||||
The Pools class retrieves all present pools defined on a Proxmox cluster
|
||||
including the chield objects.
|
||||
|
||||
Methods:
|
||||
__init__:
|
||||
Initializes the Pools class.
|
||||
|
||||
get_pools(proxmox_api: any) -> Dict[str, Any]:
|
||||
Retrieve pool definitions and membership from the Proxmox cluster.
|
||||
Returns a dict with a top-level "pools" mapping each poolid to
|
||||
{"name": <poolid>, "members": [<member_names>...]}.
|
||||
This method does not collect per-member metrics or perform node filtering.
|
||||
"""
|
||||
def __init__(self):
|
||||
"""
|
||||
Initializes the Pools class with the provided ProxLB data.
|
||||
"""
|
||||
|
||||
@staticmethod
|
||||
def get_pools(proxmox_api: any) -> Dict[str, Any]:
|
||||
"""
|
||||
Retrieve all pools and their members from a Proxmox cluster.
|
||||
|
||||
Queries the Proxmox API for pool definitions and returns a dictionary
|
||||
containing each pool's id/name and a list of its member VM/CT names.
|
||||
This function does not perform per-member metric collection or node
|
||||
filtering — it only gathers pool membership information.
|
||||
|
||||
Args:
|
||||
proxmox_api (any): Proxmox API client instance.
|
||||
|
||||
Returns:
|
||||
Dict[str, Any]: Dictionary with a top-level "pools" key mapping poolid
|
||||
to {"name": <poolid>, "members": [<member_names>...]}.
|
||||
"""
|
||||
logger.debug("Starting: get_pools.")
|
||||
pools = {"pools": {}}
|
||||
|
||||
# Pool objects: iterate over all pools in the cluster.
|
||||
# We keep pool members even if their nodes are ignored so resource accounting
|
||||
# for rebalancing remains correct and we avoid overprovisioning nodes.
|
||||
for pool in proxmox_api.pools.get():
|
||||
logger.debug(f"Got pool: {pool['poolid']}")
|
||||
pools['pools'][pool['poolid']] = {}
|
||||
pools['pools'][pool['poolid']]['name'] = pool['poolid']
|
||||
pools['pools'][pool['poolid']]['members'] = []
|
||||
|
||||
# Fetch pool details and collect member names
|
||||
pool_details = proxmox_api.pools(pool['poolid']).get()
|
||||
for member in pool_details.get("members", []):
|
||||
|
||||
# We might also have objects without the key "name", e.g. storage pools
|
||||
if "name" not in member:
|
||||
logger.debug(f"Skipping member without name in pool: {pool['poolid']}")
|
||||
continue
|
||||
|
||||
logger.debug(f"Got member: {member['name']} for pool: {pool['poolid']}")
|
||||
pools['pools'][pool['poolid']]['members'].append(member["name"])
|
||||
|
||||
logger.debug("Finished: get_pools.")
|
||||
return pools
|
||||
|
||||
@staticmethod
|
||||
def get_pools_for_guest(guest_name: str, pools: Dict[str, Any]) -> Dict[str, Any]:
|
||||
"""
|
||||
Return the list of pool names that include the given guest.
|
||||
|
||||
Args:
|
||||
guest_name (str): Name of the VM or CT to look up.
|
||||
pools (Dict[str, Any]): Pools structure as returned by get_pools(),
|
||||
expected to contain a top-level "pools" mapping each poolid to
|
||||
{"name": <poolid>, "members": [<member_names>...]}.
|
||||
|
||||
Returns:
|
||||
list[str]: Names of pools the guest is a member of (empty list if none).
|
||||
"""
|
||||
logger.debug("Starting: get_pools_for_guests.")
|
||||
guest_pools = []
|
||||
|
||||
for pool in pools.items():
|
||||
for pool_id, pool_data in pool[1].items():
|
||||
|
||||
if type(pool_data) is dict:
|
||||
pool_name = pool_data.get("name", "")
|
||||
pool_name_members = pool_data.get("members", [])
|
||||
|
||||
if guest_name in pool_name_members:
|
||||
logger.debug(f"Guest: {guest_name} is member of Pool: {pool_name}.")
|
||||
guest_pools.append(pool_name)
|
||||
else:
|
||||
logger.debug(f"Guest: {guest_name} is NOT member of Pool: {pool_name}.")
|
||||
|
||||
else:
|
||||
logger.debug(f"Pool data for pool_id {pool_id} is not a dict: {pool_data}")
|
||||
|
||||
logger.debug("Finished: get_pools_for_guests.")
|
||||
return guest_pools
|
||||
@@ -80,15 +80,18 @@ class Tags:
|
||||
return tags
|
||||
|
||||
@staticmethod
|
||||
def get_affinity_groups(tags: List[str]) -> List[str]:
|
||||
def get_affinity_groups(tags: List[str], pools: List[str], proxlb_config: Dict[str, Any]) -> List[str]:
|
||||
"""
|
||||
Get affinity tags for a guest from the Proxmox cluster by the API.
|
||||
|
||||
This method retrieves all tags for a given guest and evaluates the
|
||||
affinity tags which are required during the balancing calculations.
|
||||
This method retrieves all tags for a given guest or based on a
|
||||
membership of a pool and evaluates the affinity groups which are
|
||||
required during the balancing calculations.
|
||||
|
||||
Args:
|
||||
tags (List): A list holding all defined tags for a given guest.
|
||||
pools (List): A list holding all defined pools for a given guest.
|
||||
proxlb_config (Dict): A dict holding the ProxLB configuration.
|
||||
|
||||
Returns:
|
||||
List: A list including all affinity tags for the given guest.
|
||||
@@ -99,21 +102,36 @@ class Tags:
|
||||
if len(tags) > 0:
|
||||
for tag in tags:
|
||||
if tag.startswith("plb_affinity"):
|
||||
logger.debug(f"Adding affinity group for tag {tag}.")
|
||||
affinity_tags.append(tag)
|
||||
else:
|
||||
logger.debug(f"Skipping affinity group for tag {tag}.")
|
||||
|
||||
if len(pools) > 0:
|
||||
for pool in pools:
|
||||
if pool in (proxlb_config['balancing'].get('pools') or {}):
|
||||
if proxlb_config['balancing']['pools'][pool].get('type', None) == 'affinity':
|
||||
logger.debug(f"Adding affinity group for pool {pool}.")
|
||||
affinity_tags.append(pool)
|
||||
else:
|
||||
logger.debug(f"Skipping affinity group for pool {pool}.")
|
||||
|
||||
logger.debug("Finished: get_affinity_groups.")
|
||||
return affinity_tags
|
||||
|
||||
@staticmethod
|
||||
def get_anti_affinity_groups(tags: List[str]) -> List[str]:
|
||||
def get_anti_affinity_groups(tags: List[str], pools: List[str], proxlb_config: Dict[str, Any]) -> List[str]:
|
||||
"""
|
||||
Get anti-affinity tags for a guest from the Proxmox cluster by the API.
|
||||
|
||||
This method retrieves all tags for a given guest and evaluates the
|
||||
anti-affinity tags which are required during the balancing calculations.
|
||||
This method retrieves all tags for a given guest or based on a
|
||||
membership of a pool and evaluates the anti-affinity groups which
|
||||
are required during the balancing calculations.
|
||||
|
||||
Args:
|
||||
tags (List): A list holding all defined tags for a given guest.
|
||||
pools (List): A list holding all defined pools for a given guest.
|
||||
proxlb_config (Dict): A dict holding the ProxLB configuration.
|
||||
|
||||
Returns:
|
||||
List: A list including all anti-affinity tags for the given guest..
|
||||
@@ -124,7 +142,19 @@ class Tags:
|
||||
if len(tags) > 0:
|
||||
for tag in tags:
|
||||
if tag.startswith("plb_anti_affinity"):
|
||||
logger.debug(f"Adding anti-affinity group for tag {tag}.")
|
||||
anti_affinity_tags.append(tag)
|
||||
else:
|
||||
logger.debug(f"Skipping anti-affinity group for tag {tag}.")
|
||||
|
||||
if len(pools) > 0:
|
||||
for pool in pools:
|
||||
if pool in (proxlb_config['balancing'].get('pools') or {}):
|
||||
if proxlb_config['balancing']['pools'][pool].get('type', None) == 'anti-affinity':
|
||||
logger.debug(f"Adding anti-affinity group for pool {pool}.")
|
||||
anti_affinity_tags.append(pool)
|
||||
else:
|
||||
logger.debug(f"Skipping anti-affinity group for pool {pool}.")
|
||||
|
||||
logger.debug("Finished: get_anti_affinity_groups.")
|
||||
return anti_affinity_tags
|
||||
@@ -155,10 +185,10 @@ class Tags:
|
||||
return ignore_tag
|
||||
|
||||
@staticmethod
|
||||
def get_node_relationships(tags: List[str], nodes: Dict[str, Any]) -> str:
|
||||
def get_node_relationships(tags: List[str], nodes: Dict[str, Any], pools: List[str], proxlb_config: Dict[str, Any]) -> str:
|
||||
"""
|
||||
Get a node relationship tag for a guest from the Proxmox cluster by the API to pin
|
||||
a guest to a node.
|
||||
a guest to a node or by defined pools from ProxLB configuration.
|
||||
|
||||
This method retrieves a relationship tag between a guest and a specific
|
||||
hypervisor node to pin the guest to a specific node (e.g., for licensing reason).
|
||||
@@ -166,24 +196,44 @@ class Tags:
|
||||
Args:
|
||||
tags (List): A list holding all defined tags for a given guest.
|
||||
nodes (Dict): A dictionary holding all available nodes in the cluster.
|
||||
pools (List): A list holding all defined pools for a given guest.
|
||||
proxlb_config (Dict): A dict holding the ProxLB configuration.
|
||||
|
||||
Returns:
|
||||
Str: The related hypervisor node name.
|
||||
Str: The related hypervisor node name(s).
|
||||
"""
|
||||
logger.debug("Starting: get_node_relationships.")
|
||||
node_relationship_tags = []
|
||||
|
||||
if len(tags) > 0:
|
||||
logger.debug("Validating node pinning by tags.")
|
||||
for tag in tags:
|
||||
if tag.startswith("plb_pin"):
|
||||
node_relationship_tag = tag.replace("plb_pin_", "")
|
||||
|
||||
# Validate if the node to pin is present in the cluster
|
||||
if Helper.validate_node_presence(node_relationship_tag, nodes):
|
||||
logger.info(f"Tag {node_relationship_tag} is valid! Defined node exists in the cluster.")
|
||||
logger.debug(f"Tag {node_relationship_tag} is valid! Defined node exists in the cluster.")
|
||||
logger.debug(f"Setting node relationship because of tag {tag} to {node_relationship_tag}.")
|
||||
node_relationship_tags.append(node_relationship_tag)
|
||||
else:
|
||||
logger.warning(f"Tag {node_relationship_tag} is invalid! Defined node does not exist in the cluster. Not applying pinning.")
|
||||
|
||||
if len(pools) > 0:
|
||||
logger.debug("Validating node pinning by pools.")
|
||||
for pool in pools:
|
||||
if pool in (proxlb_config['balancing'].get('pools') or {}):
|
||||
|
||||
node = proxlb_config['balancing']['pools'][pool].get('pin', None)
|
||||
# Validate if the node to pin is present in the cluster
|
||||
if Helper.validate_node_presence(node, nodes):
|
||||
logger.debug(f"Pool pinning tag {node} is valid! Defined node exists in the cluster.")
|
||||
logger.debug(f"Setting node relationship because of pool {pool} to {node}.")
|
||||
node_relationship_tags.append(node)
|
||||
else:
|
||||
logger.warning(f"Pool pinning tag {node} is invalid! Defined node does not exist in the cluster. Not applying pinning.")
|
||||
else:
|
||||
logger.debug(f"Skipping pinning for pool {pool}. Pool is not defined in ProxLB configuration.")
|
||||
|
||||
logger.debug("Finished: get_node_relationships.")
|
||||
return node_relationship_tags
|
||||
|
||||
@@ -11,6 +11,7 @@ __license__ = "GPL-3.0"
|
||||
import json
|
||||
import uuid
|
||||
import re
|
||||
import socket
|
||||
import sys
|
||||
import time
|
||||
import utils.version
|
||||
@@ -307,3 +308,28 @@ class Helper:
|
||||
logger.warning(f"Node {node} not found in cluster. Not applying pinning!")
|
||||
logger.debug("Finished: validate_node_presence.")
|
||||
return False
|
||||
|
||||
@staticmethod
|
||||
def tcp_connect_test(addr_family: int, host: str, port: int, timeout: int) -> tuple[bool, int | None]:
|
||||
"""
|
||||
Attempt a TCP connection to the specified host and port to test the reachability.
|
||||
|
||||
Args:
|
||||
addr_family (int): Address family for the socket (e.g., socket.AF_INET for IPv4, socket.AF_INET6 for IPv6).
|
||||
host (str): The hostname or IP address to connect to.
|
||||
port (int): The port number to connect to.
|
||||
timeout (int): Connection timeout in seconds.
|
||||
|
||||
Returns:
|
||||
tuple[bool, int | None]: A tuple containing:
|
||||
- bool: True if the connection was successful, False otherwise.
|
||||
- int | None: None if the connection was successful, otherwise the errno code indicating the reason for failure.
|
||||
"""
|
||||
test_socket = socket.socket(addr_family, socket.SOCK_STREAM)
|
||||
test_socket.settimeout(timeout)
|
||||
|
||||
try:
|
||||
rc = test_socket.connect_ex((host, port))
|
||||
return (rc == 0, rc if rc != 0 else None)
|
||||
finally:
|
||||
test_socket.close()
|
||||
|
||||
@@ -13,6 +13,7 @@ __copyright__ = "Copyright (C) 2025 Florian Paul Azim Hoberg (@gyptazy)"
|
||||
__license__ = "GPL-3.0"
|
||||
|
||||
|
||||
import errno
|
||||
try:
|
||||
import proxmoxer
|
||||
PROXMOXER_PRESENT = True
|
||||
@@ -175,49 +176,40 @@ class ProxmoxApi:
|
||||
logger.debug("Starting: api_connect_get_hosts.")
|
||||
# Pre-validate the given API endpoints
|
||||
if not isinstance(proxmox_api_endpoints, list):
|
||||
logger.critical(f"The proxmox_api hosts are not defined as a list type.")
|
||||
logger.critical("The proxmox_api hosts are not defined as a list type.")
|
||||
sys.exit(1)
|
||||
|
||||
if not proxmox_api_endpoints:
|
||||
logger.critical(f"No proxmox_api hosts are defined.")
|
||||
logger.critical("No proxmox_api hosts are defined.")
|
||||
sys.exit(1)
|
||||
|
||||
if len(proxmox_api_endpoints) == 0:
|
||||
logger.critical(f"No proxmox_api hosts are defined.")
|
||||
sys.exit(1)
|
||||
validated_api_hosts: list[tuple[str, int]] = []
|
||||
|
||||
# If we have multiple Proxmox API endpoints, we need to check each one by
|
||||
# doing a connection attempt for IPv4 and IPv6. If we find a working one,
|
||||
# we return that one. This allows us to define multiple endpoints in a cluster.
|
||||
validated_api_hosts = []
|
||||
for host in proxmox_api_endpoints:
|
||||
retries = proxlb_config["proxmox_api"].get("retries", 1)
|
||||
wait_time = proxlb_config["proxmox_api"].get("wait_time", 1)
|
||||
|
||||
# Get or set a default value for a maximum of retries when connecting to
|
||||
# the Proxmox API
|
||||
api_connection_retries = proxlb_config["proxmox_api"].get("retries", 1)
|
||||
api_connection_wait_time = proxlb_config["proxmox_api"].get("wait_time", 1)
|
||||
|
||||
for api_connection_attempt in range(api_connection_retries):
|
||||
validated_api_host, api_port = self.test_api_proxmox_host(host)
|
||||
if validated_api_host:
|
||||
validated_api_hosts.append(validated_api_host)
|
||||
for attempt in range(retries):
|
||||
candidate_host, candidate_port = self.test_api_proxmox_host(host)
|
||||
if candidate_host:
|
||||
validated_api_hosts.append((candidate_host, candidate_port))
|
||||
break
|
||||
else:
|
||||
logger.warning(f"Attempt {api_connection_attempt + 1}/{api_connection_retries} failed for host {host}. Retrying in {api_connection_wait_time} seconds...")
|
||||
time.sleep(api_connection_wait_time)
|
||||
logger.warning(
|
||||
f"Attempt {attempt + 1}/{retries} failed for host {host}. "
|
||||
f"Retrying in {wait_time} seconds..."
|
||||
)
|
||||
time.sleep(wait_time)
|
||||
|
||||
if len(validated_api_hosts) > 0:
|
||||
# Choose a random host to distribute the load across the cluster
|
||||
# as a simple load balancing mechanism.
|
||||
return random.choice(validated_api_hosts), api_port
|
||||
if validated_api_hosts:
|
||||
chosen_host, chosen_port = random.choice(validated_api_hosts)
|
||||
return chosen_host, chosen_port
|
||||
|
||||
logger.critical("No valid Proxmox API hosts found.")
|
||||
print("No valid Proxmox API hosts found.")
|
||||
|
||||
logger.debug("Finished: api_connect_get_hosts.")
|
||||
sys.exit(1)
|
||||
|
||||
def test_api_proxmox_host(self, host: str) -> str:
|
||||
def test_api_proxmox_host(self, host: str) -> tuple[str, int | None, None]:
|
||||
"""
|
||||
Tests the connectivity to a Proxmox host by resolving its IP address and
|
||||
checking both IPv4 and IPv6 addresses.
|
||||
@@ -237,31 +229,36 @@ class ProxmoxApi:
|
||||
"""
|
||||
logger.debug("Starting: test_api_proxmox_host.")
|
||||
|
||||
# Validate for custom ports in API hosts which might indicate
|
||||
# that an external loadbalancer will be used.
|
||||
# Validate for custom port configurations (e.g., by given external
|
||||
# loadbalancer systems)
|
||||
host, port = Helper.get_host_port_from_string(host)
|
||||
if port is None:
|
||||
port = 8006
|
||||
|
||||
# Try resolving DNS to IP and log non-resolvable ones
|
||||
try:
|
||||
ip = socket.getaddrinfo(host, None, socket.AF_UNSPEC)
|
||||
infos = socket.getaddrinfo(host, None, socket.AF_UNSPEC)
|
||||
except socket.gaierror:
|
||||
logger.warning(f"Could not resolve {host}.")
|
||||
return False
|
||||
return (None, None)
|
||||
|
||||
# Validate if given object is IPv4 or IPv6
|
||||
for address_type in ip:
|
||||
if address_type[0] == socket.AF_INET:
|
||||
logger.debug(f"{host} is type ipv4.")
|
||||
if self.test_api_proxmox_host_ipv4(host, port):
|
||||
return host, port
|
||||
elif address_type[0] == socket.AF_INET6:
|
||||
logger.debug(f"{host} is type ipv6.")
|
||||
if self.test_api_proxmox_host_ipv6(host, port):
|
||||
return host, port
|
||||
else:
|
||||
return False
|
||||
# Check both families that are actually present
|
||||
saw_family = set()
|
||||
for family, *_rest in infos:
|
||||
saw_family.add(family)
|
||||
|
||||
logger.debug("Finished: test_api_proxmox_host.")
|
||||
if socket.AF_INET in saw_family:
|
||||
logger.debug(f"{host} has IPv4.")
|
||||
if self.test_api_proxmox_host_ipv4(host, port):
|
||||
return (host, port)
|
||||
|
||||
if socket.AF_INET6 in saw_family:
|
||||
logger.debug(f"{host} has IPv6.")
|
||||
if self.test_api_proxmox_host_ipv6(host, port):
|
||||
return (host, port)
|
||||
|
||||
logger.debug("Finished: test_api_proxmox_host (unreachable).")
|
||||
return (None, None)
|
||||
|
||||
def test_api_proxmox_host_ipv4(self, host: str, port: int = 8006, timeout: int = 1) -> bool:
|
||||
"""
|
||||
@@ -280,18 +277,16 @@ class ProxmoxApi:
|
||||
bool: True if the host is reachable on the specified port, False otherwise.
|
||||
"""
|
||||
logger.debug("Starting: test_api_proxmox_host_ipv4.")
|
||||
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
||||
sock.settimeout(timeout)
|
||||
logger.warning(f"Warning: Host {host} ran into a timeout when connecting on IPv4 for tcp/{port}.")
|
||||
result = sock.connect_ex((host, port))
|
||||
|
||||
if result == 0:
|
||||
sock.close()
|
||||
ok, rc = Helper.tcp_connect_test(socket.AF_INET, host, port, timeout)
|
||||
if ok:
|
||||
logger.debug(f"Host {host} is reachable on IPv4 for tcp/{port}.")
|
||||
logger.debug("Finished: test_api_proxmox_host_ipv4.")
|
||||
return True
|
||||
|
||||
sock.close()
|
||||
logger.warning(f"Host {host} is unreachable on IPv4 for tcp/{port}.")
|
||||
if rc == errno.ETIMEDOUT:
|
||||
logger.warning(f"Timeout connecting to {host} on IPv4 tcp/{port}.")
|
||||
else:
|
||||
logger.warning(f"Host {host} is unreachable on IPv4 for tcp/{port} (errno {rc}).")
|
||||
|
||||
logger.debug("Finished: test_api_proxmox_host_ipv4.")
|
||||
return False
|
||||
@@ -313,18 +308,16 @@ class ProxmoxApi:
|
||||
bool: True if the host is reachable on the specified port, False otherwise.
|
||||
"""
|
||||
logger.debug("Starting: test_api_proxmox_host_ipv6.")
|
||||
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
|
||||
sock.settimeout(timeout)
|
||||
logger.warning(f"Host {host} ran into a timeout when connecting via IPv6 for tcp/{port}.")
|
||||
result = sock.connect_ex((host, port))
|
||||
|
||||
if result == 0:
|
||||
sock.close()
|
||||
ok, rc = Helper.tcp_connect_test(socket.AF_INET6, host, port, timeout)
|
||||
if ok:
|
||||
logger.debug(f"Host {host} is reachable on IPv6 for tcp/{port}.")
|
||||
logger.debug("Finished: test_api_proxmox_host_ipv6.")
|
||||
return True
|
||||
|
||||
sock.close()
|
||||
logger.warning(f"Host {host} is unreachable on IPv6 for tcp/{port}.")
|
||||
if rc == errno.ETIMEDOUT:
|
||||
logger.warning(f"Timeout connecting to {host} on IPv6 tcp/{port}.")
|
||||
else:
|
||||
logger.warning(f"Host {host} is unreachable on IPv6 for tcp/{port} (errno {rc}).")
|
||||
|
||||
logger.debug("Finished: test_api_proxmox_host_ipv6.")
|
||||
return False
|
||||
|
||||
@@ -3,5 +3,5 @@ __app_desc__ = "An advanced resource scheduler and load balancer for Proxmox clu
|
||||
__author__ = "Florian Paul Azim Hoberg <gyptazy>"
|
||||
__copyright__ = "Copyright (C) 2025 Florian Paul Azim Hoberg (@gyptazy)"
|
||||
__license__ = "GPL-3.0"
|
||||
__version__ = "1.1.9"
|
||||
__version__ = "1.1.10"
|
||||
__url__ = "https://github.com/gyptazy/ProxLB"
|
||||
|
||||
@@ -1,4 +1,5 @@
|
||||
packaging
|
||||
proxmoxer
|
||||
requests
|
||||
urllib3
|
||||
PyYAML
|
||||
PyYAML
|
||||
|
||||
2
setup.py
2
setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
|
||||
|
||||
setup(
|
||||
name="proxlb",
|
||||
version="1.1.9",
|
||||
version="1.1.10",
|
||||
description="An advanced resource scheduler and load balancer for Proxmox clusters.",
|
||||
long_description="An advanced resource scheduler and load balancer for Proxmox clusters that also supports maintenance modes and affinity/anti-affinity rules.",
|
||||
author="Florian Paul Azim Hoberg",
|
||||
|
||||
Reference in New Issue
Block a user