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Add possibility to use secrets in environment variables (#512)

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This commit is contained in:
orblazer
2020-04-28 19:07:45 -05:00
committed by GitHub
parent 08e8fcdc7c
commit 79ac19937f
2 changed files with 19 additions and 3 deletions
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README.md
+11 -1
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@@ -277,6 +277,8 @@ Optionally you can also define a prefix to only match predefined enviroment vari
`ENV_VARIABLE_PREFIX="CFG_"` <-- this is the default prefix `ENV_VARIABLE_PREFIX="CFG_"` <-- this is the default prefix
If you want use file for value (like when use secrets) you can add suffix `_FILE` to your variable name (in run command).
There are some limitations to what characters you can use. There are some limitations to what characters you can use.
| Type | Allowed Characters | | Type | Allowed Characters |
@@ -323,7 +325,7 @@ services:
# and here are the actual variables # and here are the actual variables
CFG_DB_HOST: "http://localhost:3306" CFG_DB_HOST: "http://localhost:3306"
CFG_DB_NAME: "minecraft" CFG_DB_NAME: "minecraft"
CFG_DB_PASSWORD: "ug23u3bg39o-ogADSs" CFG_DB_PASSWORD_FILE: "/run/secrets/db_password"
restart: always restart: always
rcon: rcon:
image: itzg/rcon image: itzg/rcon
@@ -336,8 +338,16 @@ services:
volumes: volumes:
mc: mc:
rcon: rcon:
secrets:
db_password:
file: ./db_password
``` ```
The content of `db_password`:
ug23u3bg39o-ogADSs
## Running a Bukkit/Spigot server ## Running a Bukkit/Spigot server
Enable Bukkit/Spigot server mode by adding a `-e TYPE=BUKKIT -e VERSION=1.8` or `-e TYPE=SPIGOT -e VERSION=1.8` to your command-line. Enable Bukkit/Spigot server mode by adding a `-e TYPE=BUKKIT -e VERSION=1.8` or `-e TYPE=SPIGOT -e VERSION=1.8` to your command-line.
start-finalSetup05EnvVariables
+6
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@@ -10,6 +10,12 @@ if [ "${REPLACE_ENV_VARIABLES^^}" = "TRUE" ]; then
if [[ "$name" = $ENV_VARIABLE_PREFIX* ]] \ if [[ "$name" = $ENV_VARIABLE_PREFIX* ]] \
&& [[ $value =~ ^[0-9a-zA-Z_:/=?.+\-]*$ ]] \ && [[ $value =~ ^[0-9a-zA-Z_:/=?.+\-]*$ ]] \
&& [[ $name =~ ^[0-9a-zA-Z_\-]*$ ]]; then && [[ $name =~ ^[0-9a-zA-Z_\-]*$ ]]; then
# Read content from file environment
if [[ $name = *"_FILE" ]] && [[ -f $value ]]; then
name="${name/_FILE/}"
value=$(<$value)
fi
log "Replacing $name with $value ..." log "Replacing $name with $value ..."
find /data/ -type f \ find /data/ -type f \
\( -name "*.yml" -or -name "*.yaml" -or -name "*.txt" -or -name "*.cfg" \ \( -name "*.yml" -or -name "*.yaml" -or -name "*.txt" -or -name "*.cfg" \