Re-use agent in parallel stages of declarative pipeline












0















I'm using Declarative Pipelines 1.3.2 plugin and I want to use the same agent (as in only specifying the agent directive once) in multiple parallel stages:



stage('Parallel Deployment')
{
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
parallel
{
stage('A') { steps { ... } }
stage('B') { steps { ... } }
}
}


However, Jenkins complains:




"agent" is not allowed in stage "Parallel Deployment" as it contains parallel stages




A solution is to duplicate the agent directive for each parallel stage, but this is tedious and leads to lot of duplicated code with many parallel stages:



stage('Parallel Deployment')
{
parallel
{
stage('A') {
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
steps { ... }
}
stage('B') {
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
steps { ... }
}
}
}


Is there a more idiomatic solution, or is duplicating agent directive necessary for each of the parallel stages?










share|improve this question


















  • 2





    Are you not able to declare the agent at Pipeline level so all stages run on the same agent ?

    – ben5556
    Nov 6 '18 at 3:02











  • You are totally correct; if this was the answer, I'd accept it now.

    – Sean Pianka
    Nov 15 '18 at 4:44











  • Added it as an answer :)

    – ben5556
    Nov 15 '18 at 5:11
















0















I'm using Declarative Pipelines 1.3.2 plugin and I want to use the same agent (as in only specifying the agent directive once) in multiple parallel stages:



stage('Parallel Deployment')
{
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
parallel
{
stage('A') { steps { ... } }
stage('B') { steps { ... } }
}
}


However, Jenkins complains:




"agent" is not allowed in stage "Parallel Deployment" as it contains parallel stages




A solution is to duplicate the agent directive for each parallel stage, but this is tedious and leads to lot of duplicated code with many parallel stages:



stage('Parallel Deployment')
{
parallel
{
stage('A') {
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
steps { ... }
}
stage('B') {
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
steps { ... }
}
}
}


Is there a more idiomatic solution, or is duplicating agent directive necessary for each of the parallel stages?










share|improve this question


















  • 2





    Are you not able to declare the agent at Pipeline level so all stages run on the same agent ?

    – ben5556
    Nov 6 '18 at 3:02











  • You are totally correct; if this was the answer, I'd accept it now.

    – Sean Pianka
    Nov 15 '18 at 4:44











  • Added it as an answer :)

    – ben5556
    Nov 15 '18 at 5:11














0












0








0








I'm using Declarative Pipelines 1.3.2 plugin and I want to use the same agent (as in only specifying the agent directive once) in multiple parallel stages:



stage('Parallel Deployment')
{
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
parallel
{
stage('A') { steps { ... } }
stage('B') { steps { ... } }
}
}


However, Jenkins complains:




"agent" is not allowed in stage "Parallel Deployment" as it contains parallel stages




A solution is to duplicate the agent directive for each parallel stage, but this is tedious and leads to lot of duplicated code with many parallel stages:



stage('Parallel Deployment')
{
parallel
{
stage('A') {
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
steps { ... }
}
stage('B') {
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
steps { ... }
}
}
}


Is there a more idiomatic solution, or is duplicating agent directive necessary for each of the parallel stages?










share|improve this question














I'm using Declarative Pipelines 1.3.2 plugin and I want to use the same agent (as in only specifying the agent directive once) in multiple parallel stages:



stage('Parallel Deployment')
{
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
parallel
{
stage('A') { steps { ... } }
stage('B') { steps { ... } }
}
}


However, Jenkins complains:




"agent" is not allowed in stage "Parallel Deployment" as it contains parallel stages




A solution is to duplicate the agent directive for each parallel stage, but this is tedious and leads to lot of duplicated code with many parallel stages:



stage('Parallel Deployment')
{
parallel
{
stage('A') {
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
steps { ... }
}
stage('B') {
agent { dockerfile { label 'docker'; filename 'Dockerfile'; } }
steps { ... }
}
}
}


Is there a more idiomatic solution, or is duplicating agent directive necessary for each of the parallel stages?







jenkins jenkins-plugins jenkins-pipeline






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share|improve this question










asked Nov 6 '18 at 1:18









Sean PiankaSean Pianka

88211126




88211126








  • 2





    Are you not able to declare the agent at Pipeline level so all stages run on the same agent ?

    – ben5556
    Nov 6 '18 at 3:02











  • You are totally correct; if this was the answer, I'd accept it now.

    – Sean Pianka
    Nov 15 '18 at 4:44











  • Added it as an answer :)

    – ben5556
    Nov 15 '18 at 5:11














  • 2





    Are you not able to declare the agent at Pipeline level so all stages run on the same agent ?

    – ben5556
    Nov 6 '18 at 3:02











  • You are totally correct; if this was the answer, I'd accept it now.

    – Sean Pianka
    Nov 15 '18 at 4:44











  • Added it as an answer :)

    – ben5556
    Nov 15 '18 at 5:11








2




2





Are you not able to declare the agent at Pipeline level so all stages run on the same agent ?

– ben5556
Nov 6 '18 at 3:02





Are you not able to declare the agent at Pipeline level so all stages run on the same agent ?

– ben5556
Nov 6 '18 at 3:02













You are totally correct; if this was the answer, I'd accept it now.

– Sean Pianka
Nov 15 '18 at 4:44





You are totally correct; if this was the answer, I'd accept it now.

– Sean Pianka
Nov 15 '18 at 4:44













Added it as an answer :)

– ben5556
Nov 15 '18 at 5:11





Added it as an answer :)

– ben5556
Nov 15 '18 at 5:11












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Declare the agent at Pipeline level so all stages run on the same agent.






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    Declare the agent at Pipeline level so all stages run on the same agent.






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      Declare the agent at Pipeline level so all stages run on the same agent.






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        Declare the agent at Pipeline level so all stages run on the same agent.






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        Declare the agent at Pipeline level so all stages run on the same agent.







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        answered Nov 15 '18 at 5:11









        ben5556ben5556

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