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Docker: automatically resolve conflicting port issues when the external port used by docker does not match the port in the routerInfo

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eyedeekay
2024-09-29 16:58:44 -04:00
parent 86819852e7
commit 9154945571
2 changed files with 18 additions and 9 deletions
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17
Docker.md
View File

@ -4,7 +4,8 @@
If you just want to give I2P a quick try or are using it on a home network, follow these steps: If you just want to give I2P a quick try or are using it on a home network, follow these steps:
1. Create two directories `i2pconfig` and `i2ptorrents` 1. Create two directories `i2pconfig` and `i2ptorrents`
2. Copy the following text and save it in a file `docker-compose.yml` 2. Create an `.env` file containing the `EXT_PORT` environment variable.
3. Copy the following text and save it in a file `docker-compose.yml`
``` ```
version: "3.5" version: "3.5"
services: services:
@ -14,14 +15,14 @@ services:
- 127.0.0.1:4444:4444 - 127.0.0.1:4444:4444
- 127.0.0.1:6668:6668 - 127.0.0.1:6668:6668
- 127.0.0.1:7657:7657 - 127.0.0.1:7657:7657
- 54321:12345 - "$EXT_PORT":"$EXT_PORT"
- 54321:12345/udp - "$EXT_PORT":"$EXT_PORT"/udp
volumes: volumes:
- ./i2pconfig:/i2p/.i2p - ./i2pconfig:/i2p/.i2p
- ./i2ptorrents:/i2psnark - ./i2ptorrents:/i2psnark
``` ```
3. Execute `docker-compose up` 4. Execute `docker-compose up`
4. Start a browser and go to `http://127.0.0.1:7657` to complete the setup wizard. 5. Start a browser and go to `http://127.0.0.1:7657` to complete the setup wizard.
Note that this quick-start approach is not recommended for production deployments on remote servers. Please read the rest of this document for more information. Note that this quick-start approach is not recommended for production deployments on remote servers. Please read the rest of this document for more information.
@ -81,13 +82,13 @@ docker build -t geti2p/i2p .
# I2NP port needs TCP and UDP. Change the 54321 to something random, greater than 1024. # I2NP port needs TCP and UDP. Change the 54321 to something random, greater than 1024.
docker run \ docker run \
-e JVM_XMX=256m \ -e JVM_XMX=256m \
-e EXT_PORT=54321 \
-v i2phome:/i2p/.i2p \ -v i2phome:/i2p/.i2p \
-v i2ptorrents:/i2psnark \ -v i2ptorrents:/i2psnark \
-p 127.0.0.1:4444:4444 \ -p 127.0.0.1:4444:4444 \
-p 127.0.0.1:6668:6668 \ -p 127.0.0.1:6668:6668 \
-p 127.0.0.1:7657:7657 \ -p 127.0.0.1:7657:7657 \
-p 54321:12345 \ -p "$EXT_PORT":"$EXT_PORT" \
-p 54321:12345/udp \ -p "$EXT_PORT":"$EXT_PORT"/udp \
geti2p/i2p:latest geti2p/i2p:latest
``` ```

10
docker/rootfs/startapp.sh
View File

@ -8,6 +8,14 @@ if [ -z $JVM_XMX ]; then
JVM_XMX=512m JVM_XMX=512m
fi fi
if [ -z $EXT_PORT ]; then
echo "*** EXT_PORT is unset."
echo "*** I2P router will resolve to a \"Firewalled\" state"
echo "*** please configure EXT_PORT in your docker-compose.yaml or docker run command"
else
find . -name 'router.config' -exec sed -i "s|12345|$EXT_PORT|g" {} \;
fi
# Explicitly define HOME otherwise it might not have been set # Explicitly define HOME otherwise it might not have been set
export HOME=/i2p export HOME=/i2p
@ -31,7 +39,7 @@ if [ -f /.dockerenv ] || [ -f /run/.containerenv ]; then
echo "[startapp] setting reachable IP to container IP $IP_ADDR" echo "[startapp] setting reachable IP to container IP $IP_ADDR"
find . -name '*.config' -exec sed -i "s/127.0.0.1/$IP_ADDR/g" {} \; find . -name '*.config' -exec sed -i "s/127.0.0.1/$IP_ADDR/g" {} \;
find . -name '*.config' -exec sed -i "s/localhost/$IP_ADDR/g" {} \; find . -name '*.config' -exec sed -i "s/localhost/$IP_ADDR/g" {} \;
fi fi
# Options required for reflective access in dynamic JVM languages like Groovy and Jython # Options required for reflective access in dynamic JVM languages like Groovy and Jython