Move docker healthcheck into dedicated script.

This commit is contained in:
Daniel Wiesenberg 2021-08-29 20:01:38 +02:00
parent 00c9ad12bd
commit a469ca0461
2 changed files with 26 additions and 11 deletions

View file

@ -7,25 +7,29 @@
# Alpine build image to build Conduit's statically compiled binary
FROM alpine:3.14 as builder
# Install packages needed for building all crates
RUN apk add --no-cache \
cargo \
openssl-dev
# Specifies if the local project is build or if Conduit gets build
# from the official git repository. Defaults to the git repo.
ARG LOCAL=false
# Specifies which revision/commit is build. Defaults to HEAD
ARG GIT_REF=origin/master
# Install packages needed for building all crates
RUN apk add --no-cache \
cargo \
openssl-dev
# Copy project files from current folder
COPY . .
# Build it from the copied local files or from the official git repository
RUN if [[ $LOCAL == "true" ]]; then \
mv ./docker/healthcheck.sh . ; \
echo "Building from local source..." ; \
cargo install --path . ; \
else \
cargo install --git "https://gitlab.com/famedly/conduit.git" --rev ${GIT_REF}; \
echo "Building revision '${GIT_REF}' from online source..." ; \
cargo install --git "https://gitlab.com/famedly/conduit.git" --rev ${GIT_REF} ; \
echo "Loadings healthcheck script from online source..." ; \
wget "https://gitlab.com/famedly/conduit/-/raw/${GIT_REF#origin/}/docker/healthcheck.sh" ; \
fi
########################## RUNTIME IMAGE ##########################
@ -64,6 +68,7 @@ EXPOSE 6167
# /srv/conduit and create data folder for database
RUN mkdir -p /srv/conduit/.local/share/conduit
COPY --from=builder /root/.cargo/bin/conduit /srv/conduit/
COPY --from=builder ./healthcheck.sh /srv/conduit/
# Add www-data user and group with UID 82, as used by alpine
# https://git.alpinelinux.org/aports/tree/main/nginx/nginx.pre-install
@ -82,10 +87,7 @@ RUN apk add --no-cache \
libgcc
# Test if Conduit is still alive, uses the same endpoint as Element
HEALTHCHECK --start-period=5s \
CMD curl --fail -s "http://localhost:$(grep -m1 -o 'port\s=\s[0-9]*' conduit.toml | grep -m1 -o '[0-9]*')/_matrix/client/versions" || \
curl -k --fail -s "https://localhost:$(grep -m1 -o 'port\s=\s[0-9]*' conduit.toml | grep -m1 -o '[0-9]*')/_matrix/client/versions" || \
exit 1
HEALTHCHECK --start-period=5s --interval=60s CMD ./healthcheck.sh
# Set user to www-data
USER www-data

13
docker/healthcheck.sh Normal file
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@ -0,0 +1,13 @@
#!/bin/sh
# If the port is not specified as env var, take it from the config file
if [ -z ${CONDUIT_PORT} ]; then
CONDUIT_PORT=$(grep -m1 -o 'port\s=\s[0-9]*' conduit.toml | grep -m1 -o '[0-9]*')
fi
# The actual health check.
# We try to first get a response on HTTP and when that fails on HTTPS and when that fails, we exit with code 1.
# TODO: Change this to a single curl call. Do we have a config value that we can check for that?
curl --fail -s "http://localhost:${CONDUIT_PORT}/_matrix/client/versions" || \
curl -k --fail -s "https://localhost:${CONDUIT_PORT}/_matrix/client/versions" || \
exit 1