Integrating CoG as a Kubernetes "sidecar" container. (629e6ad0) · Commits · ESGF / mirrors / Esgf Docker

kubernetes/cog-docker-entrypoint.sh

0 → 100755

+47 −0

Original line number	Diff line number	Diff line
		#!/bin/bash

		# command line arguments

		# ESGF_HOSTNAME=.....
		export ESGF_HOSTNAME=$1
		echo "ESGF_HOSTNAME=$ESGF_HOSTNAME"

		# esgf_flag=false/true
		export ESGF_FLAG=$2
		echo "ESGF_FLAG=$ESGF_FLAG"

		# runserver=true/false
		export RUNSERVER=$3
		echo "RUNSERVER=$RUNSERVER"

		if [ $ESGF_FLAG == "true" ]; then
		echo "untar grid certificates"
		mkdir /etc/grid-security
		tar --same-owner -pxaf /root/archives/grid_security_certs.tar.xz -C /etc/grid-security
		chmod -R 664 /etc/grid-security/certificates

		# deploy esgf config files
		/usr/local/bin/process_esgf_config_archive.sh

		# wait for Postgred connection to be ready
		/usr/local/bin/wait_for_postgres.sh
		fi

		# execute CoG initialization
		if [ $INIT == "true" ]; then
		echo "Executing CoG initialization..."
		scriptdir=`dirname "$BASH_SOURCE"`
		$scriptdir/docker-init.sh $ESGF_HOSTNAME $ESGF_FLAG
		fi

		# optionally start django server in virtual environment on port 8000
		if [ $RUNSERVER == "true" ]; then
		echo "Starting CoG server through supervisor daemon"
		# start supervisor --> cog
		supervisord -c /etc/supervisord.conf
		sleep 2
		tail -f /tmp/cog.log
		# or keep the container running by starting supervisor without including sub-processes
		#else
		# supervisord --nodaemon -c /etc/supervisord_noothers.conf
		fi

kubernetes/httpd-deployment.yaml

+60 −3

Original line number	Diff line number	Diff line
		@@ -32,6 +32,50 @@ spec:
		stack: esgf
		app: httpd
		spec:
		initContainers:
		# container used to delay initialization untill postgres database is available
		- name: wait-for-postgres
		image: busybox
		command: ['sh', '-c', 'until nslookup esgf-postgres; do echo waiting for esgf-postgres; sleep 1; done;']
		# "sidecar" container used to initialize the CoG source directory executed by httpd mod_wsgi
		- name: esgf-cog
		image: esgfhub/esgf-cog:devel
		# override default cog container command
		command:
		- bash
		- "-c"
		- \|
		set -ex
		# skip all initialization if CoG installation already exists
		[[ -d /tmp/cog/cog_install ]] && exit 0
		# execute default docker container command to initialize CoG
		# do NOT start django server on port 8000
		/usr/local/bin/cog-docker-entrypoint.sh $ESGF_HOSTNAME true false
		# copy all CoG directories to shared volume
		cp -R /usr/local/cog/* /tmp/cog/.
		env:
		- name: COG_DIR
		value: "/usr/local/cog"
		- name: COG_INSTALL_DIR
		value: "/usr/local/cog/cog_install"
		- name: COG_CONFIG_DIR
		value: "/usr/local/cog/cog_config"
		- name: INIT
		value: "true"
		envFrom:
		- configMapRef:
		name: esgf-env
		volumeMounts:
		- name: cog-dir
		mountPath: /tmp/cog
		- name: esgf-config
		mountPath: /root/archives/esgf_config.tar.xz
		- name: grid-certificates
		mountPath: /root/archives/grid_security_certs.tar.xz
		# FIXME
		- name: cog-docker-entrypoint
		mountPath: /usr/local/bin/cog-docker-entrypoint.sh

		containers:
		- name: esgf-httpd
		image: esgfhub/esgf-httpd:devel
		@@ -54,15 +98,22 @@ spec:
		mountPath: /etc/certs/hostkey.pem
		- name: grid-certificates
		mountPath: /root/archives/grid_security_certs.tar.xz
		- name: esgf-config-files
		- name: esgf-config
		mountPath: /root/archives/esgf_config.tar.xz
		- name: cog-dir
		mountPath: /usr/local/cog
		env:
		- name: SSL_CERT_DIR
		value: /etc/grid-security/certificates
		- name: SSL_CERT_FILE
		value: /etc/certs/esgf-ca-bundle.crt
		- name: COG_DIR
		value: "/usr/local/cog"
		- name: COG_INSTALL_DIR
		value: "/usr/local/cog/cog_install"
		- name: COG_CONFIG_DIR
		value: /usr/local/cog/cog_config
		value: "/usr/local/cog/cog_config"

		volumes:
		- name: httpd-esgf-httpd-conf
		hostPath:
		@@ -85,6 +136,12 @@ spec:
		- name: grid-certificates
		hostPath:
		path: /Users/cinquini/ESGF_CONFIG/archives/grid_security_certs.tar.xz
		- name: esgf-config-files
		- name: esgf-config
		hostPath:
		path: /Users/cinquini/ESGF_CONFIG/archives/esgf_config.tar.xz
		- name: cog-dir
		emptyDir: {}
		# FIXME: make this the real cog docker-entrypoint.sh
		- name: cog-docker-entrypoint
		hostPath:
		path: /Users/cinquini/Documents/workspace/esgf-docker/kubernetes/cog-docker-entrypoint.sh