Commit 62a2bd53 authored by zauberstuhl's avatar zauberstuhl
Browse files

Add postgres and mysqld exporter image

parent bfed5b9b
Pipeline #2184 passed with stages
in 2 minutes and 13 seconds
FROM prom/mysqld-exporter:v0.12.1
ADD env_secrets_expand.sh /env_secrets_expand.sh
ADD entrypoint.sh /entrypoint.sh
USER root
RUN chmod +x /entrypoint.sh /env_secrets_expand.sh
USER nobody
EXPOSE 9104
ENTRYPOINT [ "/entrypoint.sh" ]
#!/bin/bash
# expand docker secrets
. /env_secrets_expand.sh
/bin/mysqld_exporter $@
#!/bin/sh
: ${ENV_SECRETS_DIR:=/run/secrets}
env_secret_debug()
{
if [ ! -z "$ENV_SECRETS_DEBUG" ]; then
echo -e "\033[1m$@\033[0m"
fi
}
# usage: env_secret_expand VAR
# ie: env_secret_expand 'XYZ_DB_PASSWORD'
# (will check for "$XYZ_DB_PASSWORD" variable value for a placeholder that defines the
# name of the docker secret to use instead of the original value. For example:
# XYZ_DB_PASSWORD={{DOCKER-SECRET:my-db.secret}}
env_secret_expand() {
var="$1"
eval val=\$$var
if secret_name=$(expr match "$val" "{{DOCKER-SECRET:\([^}]\+\)}}$"); then
secret="${ENV_SECRETS_DIR}/${secret_name}"
env_secret_debug "Secret file for $var: $secret"
if [ -f "$secret" ]; then
val=$(cat "${secret}")
export "$var"="$val"
env_secret_debug "Expanded variable: $var=$val"
else
env_secret_debug "Secret file does not exist! $secret"
fi
fi
}
env_secrets_expand() {
for env_var in $(printenv | cut -f1 -d"=")
do
env_secret_expand $env_var
done
if [ ! -z "$ENV_SECRETS_DEBUG" ]; then
echo -e "\n\033[1mExpanded environment variables\033[0m"
printenv
fi
}
env_secrets_expand
\ No newline at end of file
FROM wrouesnel/postgres_exporter:v0.5.1
# re-package as alpine image since original is from scratch
FROM alpine:latest
COPY --from=0 /postgres_exporter /postgres_exporter
ADD env_secrets_expand.sh /env_secrets_expand.sh
ADD entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh /env_secrets_expand.sh
EXPOSE 9187
ENTRYPOINT [ "/entrypoint.sh" ]
#!/bin/bash
# expand docker secrets
. /env_secrets_expand.sh
/postgres_exporter $@
#!/bin/sh
: ${ENV_SECRETS_DIR:=/run/secrets}
env_secret_debug()
{
if [ ! -z "$ENV_SECRETS_DEBUG" ]; then
echo -e "\033[1m$@\033[0m"
fi
}
# usage: env_secret_expand VAR
# ie: env_secret_expand 'XYZ_DB_PASSWORD'
# (will check for "$XYZ_DB_PASSWORD" variable value for a placeholder that defines the
# name of the docker secret to use instead of the original value. For example:
# XYZ_DB_PASSWORD={{DOCKER-SECRET:my-db.secret}}
env_secret_expand() {
var="$1"
eval val=\$$var
if secret_name=$(expr match "$val" "{{DOCKER-SECRET:\([^}]\+\)}}$"); then
secret="${ENV_SECRETS_DIR}/${secret_name}"
env_secret_debug "Secret file for $var: $secret"
if [ -f "$secret" ]; then
val=$(cat "${secret}")
export "$var"="$val"
env_secret_debug "Expanded variable: $var=$val"
else
env_secret_debug "Secret file does not exist! $secret"
fi
fi
}
env_secrets_expand() {
for env_var in $(printenv | cut -f1 -d"=")
do
env_secret_expand $env_var
done
if [ ! -z "$ENV_SECRETS_DEBUG" ]; then
echo -e "\n\033[1mExpanded environment variables\033[0m"
printenv
fi
}
env_secrets_expand
\ No newline at end of file
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