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rebrand to "content-library-rsync"

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John Bowdre 2023-02-21 09:46:47 -06:00
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38
README.md
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@ -1,4 +1,4 @@
# library-syncer
# Content Library Rsync (CLR)
This project aims to ease some of the pains encountered when attempting to sync VM templates in a [VMware vSphere Content Library](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vm_admin.doc/GUID-254B2CE8-20A8-43F0-90E8-3F6776C2C896.html) to a large number of geographically-remote sites under less-than-ideal networking conditions.
@ -22,25 +22,25 @@ The rough architecture looks something like this:
| | vSphere |
| +----------------+ | +--------------------+ |
| | | | | | |
| | library-syncer | | | subscribed content | |
| | CLR | | | subscribed content | |
+--+--->| +--+-->| | |
| | | client | | | library | |
| | | client | | | library | |
| | | | | | | |
| | +----------------+ | +--------------------+ |
| | | |
+-----------------+ | | +----------------+ | +--------------------+ |
| | | | | | | | | |
| library-syncer | | | | library-syncer | | | subscribed content | |
| CLR | | | | CLR | | | subscribed content | |
| +--+--+--->| +--+-->| | |
| server | | | | client | | | library | |
| server | | | | client | | | library | |
| | | | | | | | | |
+-----------------+ | | +----------------+ | +--------------------+ |
| | | |
| | +----------------+ | +--------------------+ |
| | | | | | | |
| | | library-syncer | | | subscribed content | |
| | | CLR | | | subscribed content | |
+--+--->| +--+-->| | |
| | client | | | library | |
| | client | | | library | |
| | | | | | |
| +----------------+ | +--------------------+ |
| +----------------------------+
@ -97,7 +97,7 @@ EOF
#### Preparation
VM templates should be stored on the Docker host in its own folder under the `./data/library/` path. These should be in OVF format, _not_ OVA format, so that they can be made available in the vSphere inventory on the remote side.
(For extra credit, you can export the `./data/library/` path as an NFS share and mount that as a datastore in vSphere. This would make it an easy target for a CI/CD pipeline to crank out new/updated templates on a regular schedule, and those would then be automatically available to the `library-syncer` clients without any additional effort. If you do this, you'll want to set the NFS `anonuid` option in `/etc/exports` to match the `syncer` UID to control how the permissions get squashed. *Just a thought.*)
(For extra credit, you can export the `./data/library/` path as an NFS share and mount that as a datastore in vSphere. This would make it an easy target for a CI/CD pipeline to crank out new/updated templates on a regular schedule, and those would then be automatically available to the CLR clients without any additional effort. If you do this, you'll want to set the NFS `anonuid` option in `/etc/exports` to match the `syncer` UID to control how the permissions get squashed. *Just a thought.*)
The server also needs the `id_syncer.pub` public key which was [generated earlier](#ssh-keypair-for-rsync-user). Place it in the `./data/ssh/` folder.
@ -131,9 +131,9 @@ Here's an example `docker-compose.yaml` for the server:
version: '3'
services:
library-syncer-server:
container_name: library-syncer-server
container_name: clr-server
restart: unless-stopped
image: ghcr.io/jbowdre/library-syncer-server:latest
image: ghcr.io/jbowdre/clr-server:latest
environment:
- TZ=UTC
- SYNCER_UID=31337
@ -182,13 +182,13 @@ Some decisions need to be made on the client side, and most of those will be exp
| Variable | Example value (default)| Description |
|:--- |:--- |:--- |
| `TZ` | `America/Chicago` (`UTC`) | corresponding [TZ database name](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones) for the location to ensure sync schedule happens in local time |
| `SYNC_PEER` | `deb01.lab.bowdre.net` | FQDN or IP of the `library-syncer` server to which the client will connect |
| `SYNC_PEER` | `clr-server.example.com` | FQDN or IP of the CLR server to which the client will connect |
| `SYNC_PORT` | (`2222`)| SSH port for connecting to the server |
| `SYNC_SCHEDULE` | (`0 21 * * 5`) | `cron`-formatted schedule for when the client should initiate a sync (example syncs at 9PM on Friday night) |
| `SYNC_DELAY` | `true` (`false`) | if true, sleeps a random number of seconds before begining the sync |
| `SYNC_DELAY_MAX_SECONDS` | (`21600`) | maximum seconds to sleep (example will be delayed up to 6 hours) |
| `SYNC_MAX_BW` | `1.5m` (`0`) | `rsync` bandwidth limit; `1.5m` caps at 1.5MB/s, `0` is unlimited |
| `TLS_NAME` | `library.bowdre.net` | if set, the FQDN used for the client's web server; if not set, the library will be served strictly over HTTP |
| `TLS_NAME` | `library.example.com` | if set, the FQDN used for the client's web server; if not set, the library will be served strictly over HTTP |
| `TLS_CUSTOM_CERT` | `true` (`false`) | if `true`, the web server will expect to find a custom certificate *and private key* in the `./data/certs` volume |
| `LIBRARY_NAME` | (`Library`) | this name will show up in the generated Content Library JSON, but not anywhere else |
| `LIBRARY_BROWSE` | `true` (`false`) | enable directory browsing on the web server; otherwise you'll need to know the exact path of the item you're after |
@ -202,18 +202,18 @@ Here's a sample `docker-compose.yaml` for the client:
version: '3'
services:
library-syncer-client:
container_name: library-syncer-client
container_name: clr-client
restart: unless-stopped
image: ghcr.io/jbowdre/library-syncer-client:latest
image: ghcr.io/jbowdre/clr-client:latest
environment:
- TZ=America/Chicago
- SYNC_PEER=deb01.lab.bowdre.net
- SYNC_PEER=clr-server.example.com
- SYNC_PORT=2222
- SYNC_SCHEDULE=0 21 * * 5
- SYNC_DELAY=true
- SYNC_DELAY_MAX_SECONDS=21600
- SYNC_MAX_KBPS=0
- TLS_NAME=library.lab.bowdre.net
- TLS_NAME=library.example.com
- TLS_CUSTOM_CERT=true
- LIBRARY_NAME=Library
- LIBRARY_BROWSE=true
@ -241,7 +241,7 @@ Watch the logs to see how it's going:
; docker logs library-syncer-client
[2022/08/07-02:53:23] Performing initial sync...
[2022/08/07-02:53:23] Sync sync starts NOW!
Warning: Permanently added '[deb01.lab.bowdre.net]:2222' (RSA) to the list of known hosts.
Warning: Permanently added '[clr-server.example.com]:2222' (RSA) to the list of known hosts.
receiving incremental file list
./
Harbor/
@ -292,11 +292,11 @@ Or hit the site root if `LIBRARY_BROWSE` is enabled:
![Directory browsing](res/browse.png)
### Subscribed library
The final piece of this puzzle to create a content library inside of vSphere to subscribe to the `library-syncer-client` library. This will (finally) make those templates available to deploy directly in vSphere.
The final piece of this puzzle to create a content library inside of vSphere to subscribe to the CLR client library. This will (finally) make those templates available to deploy directly in vSphere.
1. Log into the vSphere Client and navigate to **Menu > Content Libraries**.
2. Click **Create**, give your new library a good name, and click **Next**.
3. Click the button to make this a **Subscribed Content Library**, and enter the URL of the `library-syncer-client` library. The URL should end with `/lib.json`.
3. Click the button to make this a **Subscribed Content Library**, and enter the URL of the CLR client library. The URL should end with `/lib.json`.
![Library URL](res/library-url.png)
4. Select the option to download content immediately. At this point, content will just be transferred within a local site so bandwidth shouldn't be a concern. Click **Next**.
5. From this point, it's creating a library as usual. Click **Next** again unless you want to set a specific security policy, then select the datastore where the vSphere copy of the templates should be stored, then finally hit **Finish** to complete.

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client/build/Dockerfile
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FROM alpine:3.16
LABEL org.opencontainers.image.source="https://github.com/jbowdre/library-syncer"
LABEL org.opencontainers.image.source="https://github.com/jbowdre/content-library-rsync"
ENV CRONTAB_FILE=/var/spool/cron/crontabs/root

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client/docker-compose.yaml
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@ -1,18 +1,18 @@
version: '3'
services:
library-syncer-client:
container_name: library-syncer-client
container_name: clr-client
restart: unless-stopped
image: ghcr.io/jbowdre/library-syncer-client:latest
image: ghcr.io/jbowdre/clr-client:latest
environment:
- TZ=UTC
- SYNC_PEER=deb01.lab.bowdre.net
- SYNC_PEER=clr-server.example.com
- SYNC_PORT=2222
- SYNC_SCHEDULE=0 21 * * 5
- SYNC_DELAY=true
- SYNC_DELAY_MAX_SECONDS=21600
- SYNC_MAX_BW=0
- TLS_NAME=library.lab.bowdre.net
- TLS_NAME=library.example.com
- TLS_CUSTOM_CERT=true
- LIBRARY_NAME=Library
- LIBRARY_BROWSE=true

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server/build/Dockerfile
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@ -1,6 +1,6 @@
FROM alpine:3.16
LABEL org.opencontainers.image.source="https://github.com/jbowdre/library-syncer"
LABEL org.opencontainers.image.source="https://github.com/jbowdre/content-library-rsync"
ENV SYNC_CMD='command="/usr/bin/rrsync -ro /syncer/library/",no-agent-forwarding,no-port-forwarding,no-pty,no-user-rc,no-X11-forwarding'

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server/docker-compose.yaml
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@ -1,9 +1,9 @@
version: '3'
services:
library-syncer-server:
container_name: library-syncer-server
container_name: clr-server
restart: unless-stopped
image: ghcr.io/jbowdre/library-syncer-server:latest
image: ghcr.io/jbowdre/clr-server:latest
environment:
- TZ=UTC
- SYNCER_UID=31337