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Replace docker.#Client with docker.#Command definition
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It's a simple wrapper that will expose an interface
to run any docker or docker-compose commands
You can configure :
- ssh
- environments
- mount volumes
- command to execute
- package to install

Signed-off-by: Tom Chauveau <tom.chauveau@epitech.eu>
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TomChv committed Jun 11, 2021
1 parent 9fa89f1 commit e540bd2
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16 changes: 0 additions & 16 deletions stdlib/docker/client.cue

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178 changes: 178 additions & 0 deletions stdlib/docker/command.cue
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package docker

import (
"strconv"

"dagger.io/alpine"
"dagger.io/dagger"
"dagger.io/dagger/op"
)

// A container image that can run any docker command
#Command: {
ssh?: {
// ssh host
host: string @dagger(input)

// ssh user
user: string @dagger(input)

// ssh port
port: *22 | int @dagger(input)

// private key
key: dagger.#Secret @dagger(input)

// fingerprint
fingerprint?: string @dagger(input)

// ssh key passphrase
keyPassphrase?: dagger.#Secret @dagger(input)
}

// Command to execute
command: string @dagger(input)

// Environment variables shared by all commands
env: {
[string]: string @dagger(input)
}

// Mount content from other artifacts
mount: {
[string]: {
from: dagger.#Artifact
} | {
secret: dagger.#Secret
} @dagger(input)
}

// Mount persistent cache directories
cache: [string]: true @dagger(input)

// Mount temporary directories
tmpfs: [string]: true @dagger(input)

// Additional packages to install
package: [string]: true | false | string @dagger(input)

// Setup docker client and then execute the user command
#code: #"""
# Setup ssh
if [ -n "$DOCKER_HOSTNAME" ]; then
export DOCKER_HOST="ssh://$DOCKER_USERNAME@$DOCKER_HOSTNAME:$DOCKER_PORT"
# Start ssh-agent
eval $(ssh-agent) > /dev/null
# Add key
if [ -f "/key" ]; then
message="$(ssh-keygen -y -f /key < /dev/null 2>&1)" || {
>&2 echo "$message"
exit 1
}
# Save key
ssh-add /key > /dev/null
if [ "$?" != 0 ]; then
exit 1
fi
fi
if [[ ! -z $FINGERPRINT ]]; then
mkdir -p "$HOME"/.ssh
# Add user's fingerprint to known hosts
echo "$FINGERPRINT" >> "$HOME"/.ssh/known_hosts
else
# Add host to known hosts
ssh -i /key -o "UserKnownHostsFile "$HOME"/.ssh/known_hosts" -o "StrictHostKeyChecking accept-new" -p "$DOCKER_PORT" "$DOCKER_USERNAME"@"$DOCKER_HOSTNAME" /bin/true > /dev/null 2>&1
fi
fi
# Execute entrypoint
/bin/bash /entrypoint.sh
"""#

#up: [
op.#Load & {
from: alpine.#Image & {
package: {
bash: true
"openssh-client": true
"docker-cli": true
}
}
},

if ssh.keyPassphrase != _|_ {
op.#WriteFile & {
content: #"""
#!/bin/bash
cat /keyPassphrase
"""#
dest: "/get_keyPassphrase"
mode: 0o500
}
},

// Write wrapper
op.#WriteFile & {
content: #code
dest: "/setup.sh"
},

// Write entrypoint
op.#WriteFile & {
content: command
dest: "/entrypoint.sh"
},

op.#Exec & {
always: true
args: [
"/bin/sh",
"--noprofile",
"--norc",
"-eo",
"pipefail",
"/setup.sh",
]
"env": {
env

if ssh != _|_ {
DOCKER_HOSTNAME: ssh.host
DOCKER_USERNAME: ssh.user
DOCKER_PORT: strconv.FormatInt(ssh.port, 10)
if ssh.keyPassphrase != _|_ {
SSH_ASKPASS: "/get_keyPassphrase"
DISPLAY: "1"
}
if ssh.fingerprint != _|_ {
FINGERPRINT: ssh.fingerprint
}
}
}
"mount": {
if ssh != _|_ {
if ssh.key != _|_ {
"/key": secret: ssh.key
}
if ssh.keyPassphrase != _|_ {
"/keyPassphrase": secret: ssh.keyPassphrase
}
}
for dest, o in mount {
"\(dest)": o
}
for dest, _ in cache {
"\(dest)": "cache"
}
for dest, _ in tmpfs {
"\(dest)": "tmpfs"
}
}
},
]
}

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