name: varnish

# list of files and directories listed that are copied into project .ddev directory

project_files:

- docker-compose.varnish.yaml

- varnish

- commands/varnish

pre_install_actions:

# Make sure we have a ddev version that can support what we do here

- |

#ddev-nodisplay

#ddev-description:Checking DDEV version

(ddev debug capabilities | grep ddev-get-yaml-interpolation >/dev/null) || (echo "Please upgrade DDEV to v1.21.4 for appropriate capabilities" && false)

# Make sure we have a ddev version that can support what we do here

- |

#ddev-nodisplay

#ddev-description:Removing old docker-compose.varnish-extras.yaml

if [ -f ${DDEV_APPROOT}/.ddev/docker-compose.varnish-extras.yaml ]; then

if grep -q '#ddev-generated' ${DDEV_APPROOT}/.ddev/docker-compose.varnish-extras.yaml; then

rm -f ${DDEV_APPROOT}/.ddev/docker-compose.varnish-extras.yaml

else

echo "${DDEV_APPROOT}/.ddev/docker-compose.varnish-extras.yaml needs to be removed but has been modified by the user. Please check it and remove it"

exit 2

fi

fi

post_install_actions:

- |

#ddev-nodisplay

#ddev-description:Checking docker-compose.varnish_extras.yaml for changes

if [ -f docker-compose.varnish_extras.yaml ] && ! grep -q '#ddev-generated' docker-compose.varnish_extras.yaml; then

echo "Existing docker-compose.varnish_extras.yaml does not have #ddev-generated, so can't be updated"

exit 2

fi

- |

#ddev-nodisplay

#ddev-description:Replacing all hostnames in the web container by adding "novarnish" subdomain prefix

cat <<-END >docker-compose.varnish_extras.yaml

#ddev-generated

# This is the second half of the trick that puts varnish "in front of" the web

# container, by switching all hostnames with "novarnish" subdomain prefix.

services:

web:

environment:

{{- $novarnish_hostnames := splitList "," (env "DDEV_HOSTNAME") }}

- VIRTUAL_HOST={{ range $i, $n := $novarnish_hostnames }}novarnish.{{ replace (env "DDEV_TLD") "\\${DDEV_TLD}" (replace (env "DDEV_PROJECT") "\\${DDEV_PROJECT}" $n) }}{{ if lt (add1 $i) (len $novarnish_hostnames) }},{{ end }}{{ end }}

END

removal_actions:

- |

#ddev-nodisplay

#ddev-description:Remove docker-compose.varnish_extras.yaml file

if [ -f docker-compose.varnish_extras.yaml ]; then

if grep -q '#ddev-generated' docker-compose.varnish_extras.yaml; then

rm -f docker-compose.varnish_extras.yaml

else

echo "Unwilling to remove '$DDEV_APPROOT/.ddev/docker-compose.varnish_extras.yaml' because it does not have #ddev-generated in it; you can manually delete it if it is safe to delete."

fi

fi