Merge pull request #651 from ericchiang/dev-remove-openldap-container
contrib/openldap: remove OpenLDAP container
This commit is contained in:
Eric Chiang
GitHub
commit
651b406cfd
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assets/*.docker
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assets/*.aci
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1
contrib/openldap/.gitignore
vendored
1
contrib/openldap/.gitignore
vendored
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assets
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FROM alpine
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MAINTAINER eric.chiang@coreos.com
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# groll installs soelim, which is required by the build.
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RUN apk add --update alpine-sdk openssl-dev db-dev groff
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ADD assets/openldap-2.4.44 /openldap-2.4.44
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WORKDIR /openldap-2.4.44
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RUN ./configure
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RUN make depend
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RUN make
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RUN make install
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RUN apk del groff alpine-sdk
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ADD scripts/entrypoint.sh /entrypoint.sh
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ENTRYPOINT ["/entrypoint.sh"]
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image=quay.io/coreos/openldap:2.4.44
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image_file=assets/openldap_2_4_44.docker
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aci_file=quay.io-coreos-openldap-2.4.44.aci
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$(shell mkdir -p assets)
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user=$(shell id -u -n)
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group=$(shell id -g -n)
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.PHONY: build
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build: $(image_file)
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$(image_file): assets/openldap-2.4.44.tgz Dockerfile scripts/entrypoint.sh
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sudo docker build -t $(image) .
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sudo docker save -o $(image_file) $(image)
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# Change ownership of the container.
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sudo chown $(user):$(group) $(image_file)
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assets/openldap-2.4.44.tgz: scripts/download.sh
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./scripts/download.sh
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$(aci_file): $(image_file)
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docker2aci $(image_file)
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mv $(aci_file) assets/$(aci_file)
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.PHONY: import-aci
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import-aci: $(aci_file)
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sudo rkt fetch --insecure-options=image ./assets/quay.io-coreos-openldap-2.4.44.aci
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clean:
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rm -rf assets/*
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.PHONY: push
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push:
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sudo docker push quay.io/coreos/openldap:2.4.44
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# An OpenLDAP container
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## Running with rkt
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First be sure to clean any existing containers and turn SELinux to Permissive (this is due to a known issue in rkt).
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sudo setenforce Permissive
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sudo rkt gc --grace-period=0s
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Run the OpenLDAP container at a predefined IP, this will set some initial values.
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sudo rkt run --net=default:IP=172.16.28.25 quay.io/coreos/openldap:2.4.44
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OpenLDAP will then be available on port 389. To work with the container's examples install the openldap client programs on your host.
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sudo dnf install -y openldap-clients
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`ldapadd` can be used to add new entries to the directory.
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ldapadd \
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-h 172.16.28.25 \
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-D "cn=Manager,dc=example,dc=com" \
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-w "secret" \
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-f examples/example.ldif
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The created entries can be searched with the `ldapsearch` command.
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ldapsearch \
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-h 172.16.28.25 \
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-D "cn=Manager,dc=example,dc=com" \
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-w "secret" \
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-b "dc=example,dc=com" \
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'(objectClass=*)'
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## Customizing the created directory
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The container uses environment variables defined in the `scripts/entrypoint.sh` bash file for initial configuration. Overriding these values will cause the
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sudo rkt run \
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--set-env=LDAP_DOMAIN="dc=dex,dc=coreos,dc=com" \
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--set-env=LDAP_ROOT_CN="cn=admin" \
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--set-env=LDAP_ROOT_PW="password" \
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--net=default:IP=172.16.28.25 \
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quay.io/coreos/openldap:2.4.44
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## Development
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The `Makefile` can be used to build the container using Docker. This will download OpenLDAP, compile it in a container, then add the entrypoint script.
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make
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General development looks like.
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vim scripts/entrypoint.sh
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make
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sudo docker run -it --rm --entrypoint=/bin/sh quay.io/coreos/openldap:2.4.44
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# poke around or run /entrypoint.sh manually
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## TODO
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* TLS support.
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* Seed with initial data through mounted volume.
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* Better `objectClass` schemas that match other LDAP deployments.
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dn: dc=example,dc=com
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objectclass: dcObject
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objectclass: organization
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o: Example Company
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dc: example
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dn: cn=Manager,dc=example,dc=com
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objectclass: organizationalRole
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cn: Manager
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#!/bin/bash -e
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# USAGE: scripts/download.sh
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wget -O /tmp/openldap-2.4.44.tgz ftp://ftp.openldap.org/pub/OpenLDAP/openldap-release/openldap-2.4.44.tgz
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sha512sum -c scripts/openldap-2.4.44.tgz.sha512
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mv /tmp/openldap-2.4.44.tgz assets/openldap-2.4.44.tgz
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tar -zxvf assets/openldap-2.4.44.tgz -C assets
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#!/bin/sh -e
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# Provide sane defaults for these values.
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DOMAIN=${LDAP_DOMAIN:-"dc=example,dc=com"}
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ROOT_CN=${LDAP_ROOT_CN:-"cn=Manager"}
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ROOT_PW=${LDAP_ROOT_PW:-"secret"}
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LOG_LEVEL=${LDAP_LOG_LEVEL:-"any"}
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ROOT_DN="$ROOT_CN,$DOMAIN"
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cat <<EOF > /usr/local/etc/openldap/slapd.ldif
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# Global config
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dn: cn=config
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objectClass: olcGlobal
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cn: config
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# Schema definition
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dn: cn=schema,cn=config
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objectClass: olcSchemaConfig
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cn: schema
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include: file:///usr/local/etc/openldap/schema/core.ldif
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# Default frontend configuration.
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dn: olcDatabase=frontend,cn=config
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objectClass: olcDatabaseConfig
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objectClass: olcFrontendConfig
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olcDatabase: frontend
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# Template in RootDN values and RootPW.
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dn: olcDatabase=mdb,cn=config
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objectClass: olcDatabaseConfig
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objectClass: olcMdbConfig
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olcDatabase: mdb
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OlcDbMaxSize: 1073741824
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olcSuffix: $DOMAIN
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olcRootDN: $ROOT_DN
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olcRootPW: $ROOT_PW
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olcDbDirectory: /usr/local/var/openldap-data
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olcDbIndex: objectClass eq
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EOF
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mkdir -p /usr/local/etc/cn=config
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/usr/local/sbin/slapadd \
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-n 0 \
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-F /usr/local/etc/cn=config \
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-l /usr/local/etc/openldap/slapd.ldif
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# Begin slapd with `-d` so it attaches rather than running it as a daemon process.
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/usr/local/libexec/slapd \
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-d $LOG_LEVEL \
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-F /usr/local/etc/cn=config
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# Computed
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132eb81798f59a364c9246d08697e1c7ebb6c2c3b983f786b14ec0233df09696cbad33a1f35f3076348b5efb77665a076ab854a24122c31e8b58310b7c7fd136 /tmp/openldap-2.4.44.tgz
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