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View Code? Open in Web Editor NEWJenkins DigitalOcean Agent Plugin
Home Page: https://plugins.jenkins.io/digitalocean-plugin/
License: MIT License
digitalocean-plugin's Issues
DigitalOceanComputerLauncher: [ED25519] PEM problem: it is of unknown type
Jenkins and plugins versions report
Environment
Jenkins: 2.361.2 OS: Linux - 5.15.0-48-generic --- ace-editor:1.1 analysis-model-api:10.17.0 ant:481.v7b_09e538fcca antisamy-markup-formatter:2.7 apache-httpcomponents-client-4-api:4.5.13-138.v4e7d9a_7b_a_e61 bootstrap5-api:5.2.1-3 bouncycastle-api:2.26 branch-api:2.1046.v0ca_37783ecc5 build-timeout:1.24 caffeine-api:2.9.3-65.v6a_47d0f4d1fe checks-api:1.7.5 cloud-stats:0.27 cloudbees-folder:6.758.vfd75d09eea_a_1 command-launcher:90.v669d7ccb_7c31 commons-lang3-api:3.12.0-36.vd97de6465d5b_ commons-text-api:1.9-19.v8df45c678366 conditional-buildstep:1.4.2 config-file-provider:3.11.1 configuration-as-code:1512.vb_79d418d5fc8 credentials:1189.vf61b_a_5e2f62e credentials-binding:523.vd859a_4b_122e6 dashboard-view:2.447.vda_124dd35f11 data-tables-api:1.12.1-4 digitalocean-plugin:1.3.1 display-url-api:2.3.6 durable-task:501.ve5d4fc08b0be echarts-api:5.4.0-1 email-ext:2.91 embeddable-build-status:255.va_d2370ee8fde extended-read-permission:3.2 font-awesome-api:6.2.0-3 forensics-api:1.16.0 git:4.12.1 git-client:3.12.1 git-parameter:0.9.18 github:1.35.0 github-api:1.303-400.v35c2d8258028 github-branch-source:1695.v88de84e9f6b_9 gradle:1.40 htmlpublisher:1.31 instance-identity:116.vf8f487400980 ionicons-api:28.va_f3a_84439e5f jackson2-api:2.13.3-285.vc03c0256d517 jakarta-activation-api:2.0.1-2 jakarta-mail-api:2.0.1-2 javax-activation-api:1.2.0-5 javax-mail-api:1.6.2-8 jaxb:2.3.6-2 jdk-tool:55.v1b_32b_6ca_f9ca jjwt-api:0.11.5-77.v646c772fddb_0 jquery3-api:3.6.1-2 jsch:0.1.55.61.va_e9ee26616e7 junit:1150.v5c2848328b_60 ldap:2.12 mailer:438.v02c7f0a_12fa_4 matrix-auth:3.1.5 matrix-project:785.v06b_7f47b_c631 mina-sshd-api-common:2.9.1-44.v476733c11f82 mina-sshd-api-core:2.9.1-44.v476733c11f82 momentjs:1.1.1 nodejs:1.5.1 okhttp-api:4.9.3-108.v0feda04578cf pam-auth:1.10 parameterized-trigger:2.45 pipeline-build-step:2.18 pipeline-github-lib:38.v445716ea_edda_ pipeline-graph-analysis:195.v5812d95a_a_2f9 pipeline-groovy-lib:612.v84da_9c54906d pipeline-input-step:451.vf1a_a_4f405289 pipeline-milestone-step:101.vd572fef9d926 pipeline-model-api:2.2114.v2654ca_721309 pipeline-model-definition:2.2114.v2654ca_721309 pipeline-model-extensions:2.2114.v2654ca_721309 pipeline-rest-api:2.25 pipeline-stage-step:296.v5f6908f017a_5 pipeline-stage-tags-metadata:2.2114.v2654ca_721309 pipeline-stage-view:2.25 plain-credentials:139.ved2b_9cf7587b plugin-util-api:2.18.0 popper2-api:2.11.6-2 prism-api:1.29.0-1 rebuild:1.34 resource-disposer:0.20 run-condition:1.5 scm-api:621.vda_a_b_055e58f7 script-security:1183.v774b_0b_0a_a_451 snakeyaml-api:1.32-86.ve3f030a_75631 ssh-agent:295.v9ca_a_1c7cc3a_a_ ssh-credentials:305.v8f4381501156 ssh-slaves:2.846.v1b_70190624f5 sshd:3.249.v2dc2ea_416e33 structs:324.va_f5d6774f3a_d timestamper:1.20 token-macro:308.v4f2b_ed62b_b_16 trilead-api:2.72.v2a_3236754f73 variant:59.vf075fe829ccb warnings-ng:9.20.1 workflow-aggregator:590.v6a_d052e5a_a_b_5 workflow-api:1192.v2d0deb_19d212 workflow-basic-steps:994.vd57e3ca_46d24 workflow-cps:2802.v5ea_628154b_c2 workflow-durable-task-step:1199.v02b_9244f8064 workflow-job:1239.v71b_b_a_124a_725 workflow-multibranch:716.vc692a_e52371b_ workflow-scm-step:400.v6b_89a_1317c9a_ workflow-step-api:639.v6eca_cd8c04a_a_ workflow-support:838.va_3a_087b_4055b ws-cleanup:0.43What Operating System are you using (both controller, and any agents involved in the problem)?
Ubuntu 22.04 x64
Reproduction steps
- Fresh Jenkins install on a master node in Docker
- Created SSH key with ssh-keygen -t ed25519
- Configured SSH and API keys in Jenkins
- Added public key to Digital Ocean
- Install DigitalOcean-plugin
- Configure Clouds in Jenkins for the DigitalOcean plugin using info in the "Anything else?" section below
- Run a build manually in Jenkins
Expected Results
Jenkins spins up a usable agent using an ED25519 SSH Key generated with ssh-keygen -t ed25519.
Actual Results
Jenkins gets stuck in an endless loop of creating and destroying the droplet, as it is unable to connect.
The following exception message occurs:
Oct 10, 2022 4:20:43 PM WARNING com.dubture.jenkins.digitalocean.DigitalOceanComputerLauncher launch
Publickey authentication failed.
java.io.IOException: PEM problem: it is of unknown type. Supported algorithms are :[ssh-ed25519, ecdsa-sha2-nistp521, ecdsa-sha2-nistp384, ecdsa-sha2-nistp256, rsa-sha2-256, rsa-sha2-512, ssh-rsa, ssh-dss]
at com.trilead.ssh2.crypto.PEMDecoder.decodeKeyPair(PEMDecoder.java:482)
at com.trilead.ssh2.auth.AuthenticationManager.authenticatePublicKey(AuthenticationManager.java:290)
Caused: java.io.IOException: Publickey authentication failed.
at com.trilead.ssh2.auth.AuthenticationManager.authenticatePublicKey(AuthenticationManager.java:349)
at com.trilead.ssh2.Connection.authenticateWithPublicKey(Connection.java:472)
at com.dubture.jenkins.digitalocean.DigitalOceanComputerLauncher.launch(DigitalOceanComputerLauncher.java:170)
at hudson.slaves.SlaveComputer.lambda$_connect$0(SlaveComputer.java:298)
at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:48)
at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:82)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
Anything else?
I am able to connect to the newly created droplet by SSH'ing from the Jenkins master node to the agent, using the SSH key I have saved in Jenkins.
I currently have the following configuration for the cloud agent:
Instance cap: 2
Timeout in minutes: 10
Connection retry wait in seconds: 30
Image: Ubuntu 22.04 x64
Run as user: root
Jenkins workspace directory path: /jenkins/
SSH port: 22
Labels [none]
Setup Private Networking: Yes
Allow jobs with no label restriction: Yes
Number of executors: 2
Idle termination time: -1
Instance cap: 2
Install monitoring: Yes
User data:
#cloud-config
apt_upgrade: true
package_upgrade: true
packages:
- openjdk-11-jre-headless
- docker.io
runcmd:
- [ mkdir, /jenkins ]
- [ chmod, 777, /jenkins ]
Init script:
#!/bin/bash
echo "starting init script"
while ! cloud-init status|grep -qF 'done'
do
echo "waiting for cloud-init to be done"
sleep 10
done
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