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Supporting multi-dc deploys #559

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Supporting multi-dc deploys #559

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f129788
Enable aliases for more DRY with roles.
mdkent Oct 27, 2023
6a3aea6
Support running without a :web role.
mdkent Oct 27, 2023
7b781d2
Don't block on empty roles, they're harmless.
mdkent Oct 27, 2023
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2 changes: 1 addition & 1 deletion lib/kamal/commands/healthcheck.rb
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
class Kamal::Commands::Healthcheck < Kamal::Commands::Base

def run
web = config.role(:web)
web = config.role(:web) || config.roles.select(&:running_traefik?).first

docker :run,
"--detach",
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6 changes: 3 additions & 3 deletions lib/kamal/configuration.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ def load_config_files(*files)

def load_config_file(file)
if file.exist?
YAML.load(ERB.new(IO.read(file)).result).symbolize_keys
YAML.load(ERB.new(IO.read(file)).result, aliases: true).symbolize_keys
else
raise "Configuration file not found in #{file}"
end
Expand Down Expand Up @@ -90,7 +90,7 @@ def all_hosts
end

def primary_web_host
role(:web).primary_host
(role(:web) || roles.select(&:running_traefik?).first).primary_host
end

def traefik_hosts
Expand Down Expand Up @@ -249,7 +249,7 @@ def ensure_required_keys_present

roles.each do |role|
if role.hosts.empty?
raise ArgumentError, "No servers specified for the #{role.name} role"
puts "Warning: No servers specified for the #{role.name} role"
end
end

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