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[Install]
WantedBy=multi-user.target
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This is best done by defining a single file with required environment variables in your Butane configuration, and to reference this via systemd drop-in unit files for all such services.
 
Defining common proxy environment variables
 
This common file has to be subsequently referenced explicitly by each service that requires internet access.
 
variant: fcos
version: {butane-latest-stable-spec}
storage:
files:
- path: /etc/example-proxy.env
mode: 0644
contents:
inline: |
https_proxy="http://example.com:8080"
all_proxy="http://example.com:8080"
http_proxy="http://example.com:8080"
HTTP_PROXY="http://example.com:8080"
HTTPS_PROXY="http://example.com:8080"
no_proxy="*.example.com,127.0.0.1,0.0.0.0,localhost"
 
Defining drop-in units for core services
 
https://github.com/coreos/zincati[Zincati] polls for OS updates, and https://github.com/coreos/rpm-ostree[rpm-ostree] is used to apply OS and layered package updates both therefore requiring internet access. The optional anonymized https://docs.fedoraproject.org/en-US/fedora-coreos/counting/[countme] service also requires access if enabled.
 
You may be able to use local file references to systemd units instead of inlining them. See xref:tutorial-services.adoc#_using_butanes__files_dir_parameter_to_embed_files[Using butane's `--files-dir` Parameter to Embed Files] for more information.
 
variant: fcos
version: {butane-latest-stable-spec}
systemd:
units:
- name: rpm-ostreed.service
dropins:
- name: 99-proxy.conf
contents: |
[Service]
EnvironmentFile=/etc/example-proxy.env
- name: zincati.service
dropins:
- name: 99-proxy.conf
contents: |
[Service]
EnvironmentFile=/etc/example-proxy.env
- name: rpm-ostree-countme.service
dropins:
- name: 99-proxy.conf
contents: |
[Service]
EnvironmentFile=/etc/example-proxy.env
 
Defining drop-in units for container daemons
 
If using docker then the `docker.service` drop-in is sufficient. If running Kubernetes with containerd (and no docker) then the `containerd.service` drop-in may be necessary.
 
variant: fcos
version: {butane-latest-stable-spec}
systemd:
units:
- name: docker.service
enabled: true
dropins:
- name: 99-proxy.conf
contents: |
[Service]
EnvironmentFile=/etc/example-proxy.env
- name: containerd.service
enabled: true
dropins:
- name: 99-proxy.conf
contents: |
[Service]
EnvironmentFile=/etc/example-proxy.env
 
Defining proxy use for podman systemd units
 
Podman has no daemon and so configuration is for each individual service scheduled, and can be done as part of the full systemd unit definition.
 
variant: fcos
version: {butane-latest-stable-spec}
systemd:
units:
- name: example-svc.service
enabled: true
contents: |
[Unit]
After=network-online.target
Wants=network-online.target
 
[Service]
EnvironmentFile=/etc/example-proxy.env
ExecStartPre=-/bin/podman kill example-svc
ExecStartPre=-/bin/podman rm example-svc
ExecStartPre=-/bin/podman pull example-image:latest
ExecStart=/bin/podman run --name example-svc example-image:latest
ExecStop=/bin/podman stop example-svc
 
[Install]
WantedBy=multi-user.target
 

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[Install]
WantedBy=multi-user.target
 
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11744738 String information

Source string description
type: delimited block -
Flags
no-wrap, placeholders:r"`[\w.\/\-_=@&*:$●+~()\] ]*`", read-only
Source string location
pages/proxy.adoc:114
String age
2 years ago
Last updated
a year ago
Source string age
2 years ago
Translation file
po/zh_CN/master/pages/proxy.po, string 18