blog-rekahsoft-ca/.drone.jsonnet

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// See: https://github.com/kradalby/drone-jsonnet/blob/master/drone.libsonnet
local droneStatus = ['success', 'failure'];
local pipeline = {
new():: self.withKind("pipeline"),
withName(name):: self + { name: name },
withKind(kind):: self + { kind: kind },
withType(type):: self + { type: type },
withNode(node):: self + { node: node },
withTrigger(trigger):: self + { trigger: trigger },
withDependsOn(n):: self + { depends_on: n },
withNodeSelector(ns):: self + { node_selector: ns },
withSteps(steps):: self + if std.type(steps) == 'array' then { steps: steps } else { steps: [steps] },
step:: {
new(name='', image=''):: self.withName(name).withImage(image).withPullIfNotExists(),
withName(name):: self + { name: name },
withImage(image):: self + if image != '' then { image: image } else {},
withAlwaysPull():: self + { pull: 'always' },
withPullIfNotExists():: self + { pull: 'if-not-exists' },
withCommands(commands):: self + if std.type(commands) == 'array' then { commands: commands } else { commands: [commands] },
withTrigger(trigger):: self + { trigger: trigger }, // TODO: this is duplicated in pipeline object
withEnv(envs):: self + { environment: envs },
withWhen(when):: self + { when: when },
withSettings(settings):: self + { settings: settings },
},
when:: {
new():: self + {},
withBranch(branch):: self + if std.type(branch) == 'array' then { branch: branch } else { branch: [branch] },
withEvent(e):: self + if std.type(e) == 'array' then { event: e } else { event: [e] },
withStatus(s):: self + if std.type(s) == 'array' then { status: s } else { status: [s] },
withStatusAll():: self.withStatus(droneStatus),
},
};
local trigger = {
new():: self + {},
withBranch(branch):: self + if std.type(branch) == 'array' then { branch: branch } else { branch: [branch] },
withEvent(e):: self + if std.type(e) == 'array' then { event: e } else { event: [e] },
withStatus(s):: self + if std.type(s) == 'array' then { status: s } else { status: [s] },
withStatusAll():: self.withStatus(droneStatus),
};
local env_from_secret(dict) = {
[key]: {
from_secret: dict[key],
}
for key in std.objectFields(dict)
};
local guix_pipeline(name) = pipeline.new()
.withName(name)
.withType("docker")
.withNode({ "guix": "on"});
local guix_step(name,
commands,
image="docker.nexus.home.rekahsoft.ca/guix:latest") =
pipeline.step.new(name, image).withPullIfNotExists().withCommands(commands);
local guix_step_time_machine(name,
commands,
cwd=".",
channels="channels.scm",
image="docker.nexus.home.rekahsoft.ca/guix:latest") =
pipeline.step.new(name, image).withPullIfNotExists().withCommands(
// Conditionally change directory
(if cwd == "."
then [] else [std.format("cd %s", cwd)]) +
// Drone-ci does not populate a /etc/passwd which causes issues with guix
["echo 'root:x:0:0:root:/root:/bin/bash' >> /etc/passwd"] +
// Expand provide guix commands into executable shell
std.map(function(i) std.format("guix time-machine -C %s -- %s", [channels, i]),
if std.type(commands) == 'array' then commands else [commands]));
local dronePromoteCmd(env) = [
"export DRONE_SERVER=\"${DRONE_SYSTEM_PROTO}://${DRONE_SYSTEM_HOST}\"",
std.format('DRONE_PROMOTED_PIPELINE_ID=$(drone build promote --format \'{{ .Number }}\' "$DRONE_REPO" "$DRONE_BUILD_NUMBER" "%s")', env),
'while status="$(drone build info $DRONE_REPO $DRONE_PROMOTED_PIPELINE_ID)"; do
case "$status" in
running)
sleep 30s
;;
success)
break
;;
failure|error|killed)
echo "Promoted job with id $DRONE_PROMOTED_PIPELINE_ID failed with status \'$status\'."
exit 1
;;
*)
echo "Unknown pipeline status \'$status\'."
exit 1
esac
done',
];
local promoteStep(env,
secret_name_drone_token="drone_token",
image="docker.nexus.home.rekahsoft.ca/drone/cli:1.4-alpine") = pipeline.step.new(std.format("promote-%s", env), image)
.withWhen(pipeline.when.new()
.withBranch("master")
.withEvent("push"))
.withCommands(dronePromoteCmd(env))
.withEnv(env_from_secret({
DRONE_TOKEN: "drone_token"
}));
local deployStep(name, target=name, args=[]) = guix_step_time_machine(
name,
std.format('shell -m manifest.scm -- make %s ENV="${DRONE_DEPLOY_TO}" %s', [target, std.join(" ", args)]),
cwd="infra",
channels="../channels.scm")
.withEnv({ PLAN: "out.plan" } + env_from_secret({
AWS_ACCESS_KEY_ID: "aws_access_key_id",
AWS_SECRET_ACCESS_KEY: "aws_secret_access_key",
}));
[
guix_pipeline("validate").withTrigger(trigger.new().withEvent(["push", "pull_request", "tag"])).withSteps([
guix_step_time_machine("build", "build -f guix.scm"),
promoteStep("staging"),
promoteStep("production"),
]),
guix_pipeline("deploy").withTrigger(trigger.new().withEvent("promote")).withSteps([
deployStep("init", "setup"),
deployStep("plan"),
deployStep("deploy"),
])
]